Tracey Anthony

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<p>Portland, Miami, Dallas, Minneapolis, and Richmond are just a few cities with thunderstorm potential today. The greatest chances for severe thunderstorms will be for parts of Dallas and Oklahoma and then from Miami to Port St. Lucie in South Florida. </p><video src="https://media.weathernationtv.com/app/uploads/2025/03/2025-03-25 09-02-59-1742907801977.mp4" controls="true" width="100%"></video><p></p><p>This comes as almost the entire country is feeling temperatures warmer than normal this time of year. </p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Web 3-1742908219962.png"></p><h1>Tuesday's High Temps </h1><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Web 2-1742908252558.png"></p><h1>This Week's Severe Potential </h1><p>There are also several areas we are watching for severe weather into the rest of the work week. Tune into WeatherNation for the latest details. </p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Web 4-1742908465725.png"></p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Web 2-1742908455285.png">Severe Outlooks have also been issued for Sunday and Monday as we round out an active March. </p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Web 5-1742908513035.png"></p>

Scattered Thunderstorms from Coast to Coast

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Kevin Schneider

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<p>Severe weather has been easy to find it feels like over the past few weeks. It's in places you would typically expect, from the southern plains to the Deep South. Our next threat roars onshore Wednesday, which could bring severe thunderstorms to....THE PACIFIC NORTHWEST??</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-25 061056-1742904665726.jpg">That's right, areas around Seattle and Portland could be looking down a risk for damaging winds and large hail as storms develop Wednesday afternoon. So what's causing this?</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-25 062620-1742905628962.jpg">A powerhouse system will spin onshore, but it's coming on the heels of record-warm temperatures. That combination typically doesn't happen up here, especially not this early. The Storm Prediction Center has issued a MARGINAL risk of severe weather that includes Seattle, Portland, and Spokane. </p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-25 062633-1742906203239.jpg">Storms look to get going in the afternoon and could bring large hail and damaging winds as they lift north. </p><video src="https://media.weathernationtv.com/app/uploads/2025/03/2025-03-25 06-40-55-1742906481015.mp4" controls="true" width="100%"></video><p>Heavy rainfall could lead to additional flooding in the Pacific Northwest. Some areas in the next week will pick up 3-5 inches of rain, on top of what has fallen recently. </p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-25 063935-1742906508493.jpg"></p>

Brittany Lockley

Rare Severe Threat Visits the Northwest

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Originally born in Spokane, Washington,  Jackie's Dad was in the Air Force which led her to a life of travel. She has lived in Wichita, Okinawa, Japan, Baltimore, New Jersey, Indiana and South Carolina.  After graduating from Kadena High School, in Okinawa Japan, she got a full basketball scholarship to Coppin State College. On the court she was a 4-year starter and reached over 1000 points in her basketball career. She was also named Athlete of the Year for the whole university in 2002. Off the court, she earned a degree in Broadcast Production/English.

After college, she landed a job as a radio personality. Jackie went on to have a successful career for 12 years working at KXLY broadcast center. While on the radio, she decided to change career. Jackie went back to school, graduating from the Mississippi State Meteorology Broadcast Program. From snow, to tornadoes, to hurricanes, she has had experience forecasting all these events.

Jackie Brown

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<p>A strong area of high pressure has taken over the West, which means warm-to-hot temperatures are in effect for this portion of the country. Record warmth is in full swing, and multiple records were broken today through the Southwest. Riverside, CA tied the previous record high with 94°. Phoenix and Yuma, Arizona beat out previous records as both cities saw highs today in the upper 90s. </p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/CA REC-1742865540918.png"><img src="https://media.weathernationtv.com/app/uploads/2025/03/AZ RECORD-1742865547568.png">Over the next few days, the West is on track to see dozens of records tied or broken. Here's a look at where records can be broken for Tuesday through Thursday.</p><video src="https://media.weathernationtv.com/app/uploads/2025/03/recod-1742865759652.mp4" controls="true" width="100%"></video><p>These record-breaking temperatures can be especially impactful early in the season when a lot of people are not yet used to the heat. The Heat Risk is expected to reach a moderate level (2 out of 4) on Tuesday, expected to be the warmest day for many in the deserts.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-24 055002-1742817192809.jpg"></p><h1>Forecast Highs</h1><p>Areas in the Sonoran Desert (Phoenix, Palm Springs, Yuma) are expected to reach the upper 90s and could surpass 100° early in the week. The earliest day in the year on record for Phoenix to hit 100° or higher is March 26th, one day after peak high temperatures are expected in southern Arizona.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/southwestsss-1742865948369.png">The Pacific Northwest will see temperatures over 20 degrees above average for some. Cities in this region will climb into the 70s and a few in the 80s. Boise normally sees a high of 57°, but on Wednesday the forecast high is 81°! </p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/nrorr-1742865960386.png">The Northern Rockies could see rapid snow melt through next week as high temperatures climb to more than 20° above average. Billings, Cheyenne, and Rapid City are all expected to climb into the 70s.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/rickckc-1742865968033.png">If you plan to spend time outdoors, especially when venturing farther away from cities on a hike or similar, be sure to bring plenty of water, take breaks in the shade, and wear loose, light-colored clothing.</p>

Heat Wave Targets the West This Week

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Chris Tomer

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<p><strong>NORTHWEST</strong> - Warmer air is forcing the rain/snow line (freezing level) in the Pacific Northwest and Northern Tier up to higher elevations. Rain and melting snow will increase the avalanche risk in the High Cascades, volcanoes, and mountains of British Columbia, Idaho, and Montana. These are sometimes referred to as 'wet avalanches'.</p><p><br>Forecast maximum daily freezing levels in the Cascades:</p><ul><li><p>3/25: 10,000ft</p></li><li><p>3/26: 10,000ft</p></li><li><p>3/27: 5,000ft</p></li><li><p>3/28: 4,000ft</p></li><li><p>3/29: 6,000ft</p></li></ul><p>Forecast maximum daily freezing levels in NW Montana:</p><ul><li><p>3/25: 9,000ft</p></li><li><p>3/26: 10,000ft</p></li><li><p>3/27: 10,000ft</p></li><li><p>3/28: 6,000ft</p></li><li><p>3/29: 6,000ft<br></p></li></ul><h2><img src="https://media.weathernationtv.com/app/uploads/2025/03/TOMER AVALANCHE WARNING-1742844355639.jpg"><br>What Causes Avalanches?</h2><p>Meteorologist Rob Bradley explains the dangers of avalanches:</p><video src="https://media.weathernationtv.com/app/uploads/2025/03/PKG_042921_TRT 2.20_UNDERSTANDING AVALANCHE DANGERS_ROB BRADLEY_MC_E042921-1742761911785.mp4" controls="true" width="100%"></video><h2>Forecast Timeline</h2><p>The next storm system arrives Wednesday afternoon and continues through Friday.</p><video src="https://media.weathernationtv.com/app/uploads/2025/03/TOMER PNW FUTURECAST-1742844662201.mp4" controls="true" width="100%"></video><p>Forecast snowfall through Saturday with heaviest accumulations at the higher elevations and rain at lower elevations.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/TOMER SNOW FORECAST PNW-1742844900228.jpg">The next storm system will deliver rain to Seattle between Wednesday through Sunday.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/TOMER SEATTLE 7 DAY-1742844872491.jpg"></p>

Avalanche Danger Increases Out West

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WeatherNation Meteorologists

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<p><em>FROM NOAA</em><br><br>"Forecasters from&nbsp;<a target="_blank" rel="noopener noreferrer" href="https://link.mediaoutreach.meltwater.com/ls/click?upn=u001.rLWQltqwDexXafFwhTzwZEeaPRNFDWox79OTF6jIPIXKK-2B1YWVJSYZk6UTdxa6HWeDc7_Tjw0DBe0ULfpp1Z7u36dpfE9ALCLFGkQHtLExcUocJZl68lHnMtLjgJb6TN9VkVe8mRKCpDl5g4Kgz-2Brfm2UrADTQCra-2Fura9WyF6HCRvCpPtzJzBOjws29qko1Xs3vD9bdOS-2BIuKweOrUA8LjHcjWEfDjMexD-2FAckNSdIQzUlZy9KUNkkYsUqav2I8CEttLMUEDolw26txApwE37qXpzoCcC5UmRviSwhpuMZjnZib8v7mAtOtl5doxc90w-2FxTK1odktVU9hURxKI5iC4CoEw5SHCGko2-2BiVIQTXGCPyu6nTZaXne1Xnpi8VV9ZOsHzDbCE37dLt2IxWsmN-2Bi1vOSMvlYQvJ3hDxLOggykVYI8iemRDEO8BTPxoOkBI3kTRFXPLzTzTsZzpZvItOQ8DXQ-3D-3D">NOAA’s Climate Prediction Center</a>&nbsp;— part of the National Weather Service — issued the 2025 U.S. Spring Outlook for temperature, precipitation, drought and flooding for the coming months.</p><p>Forecasters predict above-average temperatures for the East and Gulf Coast regions, while drought conditions continue in the Southwest.&nbsp;</p><h1>Temperatures &amp; Rainfall</h1><p>Above-average temperatures are likely (top of page) across much of the U.S. For April through June, above-average temperatures are favored along the southern tier of the country and for the Eastern seaboard with the highest chances for central and south Florida, and an area stretching from the Texas and Louisiana coasts to southern Utah and eastern Nevada.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-20 095729-1742488004240.png"></p><p>Much of the western U.S. is favored to receive below-average precipitation, with the greatest odds of below-average precipitation in the central and southern Rockies, including the Four Corners region. Precipitation is favored to be above-average in some areas of the Great Lakes and in northern and western Alaska.&nbsp;</p><h1>Drought &amp; Flooding</h1><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-20 095736-1742487814667.png">Moderate-to-exceptional drought conditions currently exist across more than 40% of the continental U.S. Drought conditions are likely to persist in the Southwest and parts of the Rocky Mountains, while drought improvement is forecast for the Great Lakes region. Drought development is likely across the central and southern Great Plains.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-20 101939-1742488289405.png"><br>Widespread major flooding is not expected this spring across the CONUS, and significantly reduced flood risk exists over much of the United States, given above average temperatures, combined with well below average snowpack over the Northern Plains, Midwest, and Ohio Valley. The reduced flood risk could lead to low flow impacts on navigation and saltwater intrusion on the Lower Mississippi River during the late summer and fall. This is the fourth year in a row with this risk.</p><p>Despite the overall reduced flood risk this spring, moderate flooding is expected in tributaries to the Lower Missouri River in Kansas and Missouri. This area typically experiences moderate flooding each spring, and despite the lack of snowpack, local antecedent conditions and typical spring rainfall will lead to the likelihood of moderate flooding on these tributaries.</p><p>Current water supply forecasts in the western United States indicate much below normal conditions for the Desert Southwest due to below average snowpack.</p><p>In Alaska, spring ice breakup and snowmelt flood risk is forecast to be above average for the Upper Yukon, Tanana, and Koyukuk River basins. Below average flood risk is expected in the Lower Yukon and Kuskokwim River basins, along with most of Southcentral Alaska.</p><p>Based on the expected spring flood outlook, hypoxia development in the Gulf of America and Chesapeake Bay is projected to not deviate from seasonal normals. Hypoxic zones directly impact commercial and recreational fisheries."</p><p style="text-align: start"></p>

NOAA Releases Spring Outlook, River Flood Forecast

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Alana Cameron was born and raised in Canada in the city of Mississauga, just outside of Toronto. Alana is the oldest of 4 siblings, all close in age, and grew up playing outside with them in all types of weather. After graduating high school, Alana moved to study at the University of British Columbia in Kelowna for a year before transferring to Dalhousie University in Halifax, Nova Scotia where she completed a Bachelor of Science in Physics and Atmospheric Science. Upon completion, Alana moved back to Toronto where she completed a post-grad degree in Meteorology at York University. After her post-grad, she went on to complete another post-grad in Broadcast Journalism - TV News at Fanshawe College in London, Ontario. During her final year of studies she had the privilege of interning with the best in the business in Canada at The Weather Network. Once she finished her internship, she got the call from small-town Denison, Texas where she accepted a job as an on-air meteorologist at KTEN-TV, right in tornado alley, covering severe weather from Sherman/Denison (North Texas) to Ada (Southern Oklahoma). After the most active tornado season Oklahoma had seen in May 2019 (105 tornadoes!) Alana is excited to join WeatherNation to cover weather all across the nation. If you're interested in following her on social media she can be found @alanacameronwx!

Alana Cameron

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<p><strong>NORTHEAST</strong> - <strong>Winter weather advisories</strong> have been winding down for the Great Lakes and Northeast, with a few lingering through Tuesday morning. Main and New Hampshire can still expect between 3-5" of snowfall and Michigan may see additional snow accumulations up to 3 inches.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-24 141657-1742847462231.png">You'll notice our forecast models aren't putting out a terrible amount of additional snowfall in these areas through tonight and into tomorrow morning but a few pesky lake effect bands across Michigan could still lead to slippery conditions for the evening drive tonight and morning drive tomorrow.</p><video src="https://media.weathernationtv.com/app/uploads/2025/03/11112222-1742866438372.mp4" controls="true" width="100%"></video><p>Snow will continue to taper off overnight.</p><h2><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-24 141701-1742847547734.png">Another Clipper</h2><p>Another system has dropped in from the Canadian Prairies today and will continue to bring minor precipitation totals for the northern Plains overnight. This low will swiftly move towards the Atlantic Coast through tomorrow.</p><video src="https://media.weathernationtv.com/app/uploads/2025/03/kjjhh-1742866360566.mp4" controls="true" width="100%"></video><p></p>

Unsettled Weather From the Plains to Northeast

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<p>Very large hail has surfaced along our cold front from Texas through Kentucky from Sunday night. Hail upwards of 2.75" has come out of Sunday's storms from Texas through Alabama.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-24 100644-1742832577772.png">The SPC has removed the severe weather outlook along the Gulf Coast, and the rain is winding down. An isolated storm or two will be possible through the overnight hours.</p><video src="https://media.weathernationtv.com/app/uploads/2025/03/vcv-1742866554694.mp4" controls="true" width="100%"></video><p>Some heavy rain along the Gulf may lead to flooding, there is a MARGINAL (level 1 out of 4) risk that rainfall could exceed flash flooding guidance in the areas highlighted below.</p><p><img src="https://media.weathernationtv.com/app/uploads/2025/03/Screenshot 2025-03-24 125453-1742842553239.png">Rainfall totals could surpass 1-3 inches in some locations, but a lot will be coming down in a short period of time. Heed any flash flood warnings, should they be issued later today.</p>

Storms Winding Down Along the Gulf Coast

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How big are hailstones?  That definitely can depend on where you live and how strong an updraft the storm has that produces them!

<img class="alignnone size-large wp-image-89379" src="https://media.weathernationtv.com/app/uploads/2018/03/hail-1-728x408.jpg" alt="" width="728" height="408" />

The best way to find out how large the hail might be that fell in your yard is to take an actual measurement.

<img class="alignnone size-large wp-image-89382" src="https://media.weathernationtv.com/app/uploads/2018/03/hail-4-728x408.jpg" alt="" width="728" height="408" />

Depending on what the diameter is in inches will determine the size.

The chart below, as provided by the <a href="http://www.spc.noaa.gov/misc/tables/hailsize.htm" target="_blank" rel="noopener">Storm Prediction Center</a>, shows how hail is typically measured.
<table class=" aligncenter" style="height: 1146px;" border="0" width="763" cellspacing="9" cellpadding="0">
<tbody>
<tr>
<td align="center">&nbsp;
<h4><b>HAIL SIZE (in.)</b></h4>
</td>
<td align="left">&nbsp;
<h4><b>OBJECT ANALOG REPORTED</b></h4>
</td>
</tr>
<tr>
<td align="center">
<h4>.50</h4>
</td>
<td align="left">
<h4>Marble, moth ball</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>.75</h4>
</td>
<td align="left">
<h4>Penny</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>.88</h4>
</td>
<td align="left">
<h4>Nickel</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>1.00</h4>
</td>
<td align="left">
<h4>Quarter</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>1.25</h4>
</td>
<td align="left">
<h4>Half dollar</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>1.50</h4>
</td>
<td align="left">
<h4>Walnut, ping pong</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>1.75</h4>
</td>
<td align="left">
<h4>Golf ball</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>2.00</h4>
</td>
<td align="left">
<h4>Hen egg</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>2.50</h4>
</td>
<td align="left">
<h4>Tennis ball</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>2.75</h4>
</td>
<td align="left">
<h4>Baseball</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>3.00</h4>
</td>
<td align="left">
<h4>Tea cup</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>4.00</h4>
</td>
<td align="left">
<h4>Softball</h4>
</td>
</tr>
<tr>
<td align="center">
<h4>4.50</h4>
</td>
<td align="left">
<h4>Grapefruit</h4>
</td>
</tr>
</tbody>
</table>
<img class="alignnone size-large wp-image-89380" src="https://media.weathernationtv.com/app/uploads/2018/03/hail-3-728x408.jpg" alt="" width="728" height="408" />

The biggest hailstone ever measured was a whopper, and fell in South Dakota in 2010!

https://twitter.com/NWSDesMoines/status/978368351843110913

If you have any videos or photos of hail, make sure to share them with us on our <a href="https://www.facebook.com/WeatherNation/" target="_blank" rel="noopener">Facebook</a> or <a href="https://twitter.com/WeatherNation" target="_blank" rel="noopener">Twitter</a> pages!

<img class="alignnone size-large wp-image-89381" src="https://media.weathernationtv.com/app/uploads/2018/03/hail-8-728x408.jpg" alt="" width="728" height="408" />

For WeatherNation, I'm <a href="https://media.weathernationtv.com/team/meredith-garofalo/" target="_blank" rel="noopener">Meteorologist Meredith Garofalo</a>

HAIL SIZE (in.)	OBJECT ANALOG REPORTED
.50	Marble, moth ball
.75	Penny
.88	Nickel
1.00	Quarter
1.25	Half dollar
1.50	Walnut, ping pong
1.75	Golf ball
2.00	Hen egg
2.50	Tennis ball
2.75	Baseball
3.00	Tea cup
4.00	Softball
4.50	Grapefruit

How Hail Is Measured

HAIL SIZE (in.)

OBJECT ANALOG REPORTED

.50

Marble, moth ball

.75

Penny

.88

Nickel

1.00

Quarter

1.25

Half dollar

1.50

Walnut, ping pong

1.75

Golf ball

2.00

Hen egg

2.50

Tennis ball

2.75

Baseball

3.00

Tea cup

4.00

Softball

4.50

Grapefruit

Scattered Thunderstorms from Coast to Coast

Portland, Miami, Dallas, Minneapolis, and Ric

Rare Severe Threat Visits the Northwest

Severe weather has been easy to find it feels

Heat Wave Targets the West This Week

A strong area of high pressure has taken over

Avalanche Danger Increases Out West

NORTHWEST - Warmer air is forcing the rain/sn

NOAA Releases Spring Outlook, River Flood Forecast

FROM NOAA"Forecasters from&nbsp;NOAA’s Climat

Unsettled Weather From the Plains to Northeast

NORTHEAST - Winter weather advisories have be

Storms Winding Down Along the Gulf Coast

Very large hail has surfaced along our cold f

FROM NOAA"Forecasters from NOAA’s Climat