VALID 00Z MON MAR 18 2013 – 00Z WED MAR 20 2013 …BLIZZARD CONDITIONS
ARE COMING TO THE NORTH CENTRAL U.S. FOLLOWED BY TEMPERATURES 20
TO 30 DEGREES BELOW AVERAGE…
…SNOW AND ICE STORM FOR PARTS OF THE NORTHERN MID-ATLANTIC INTO
THE NORTHEAST BEGINNING THIS EVENING..
Take a look at how little snow cover was left across the nation on March 17th, 2012. Other than the higher elevations out west and those in the Northeast, it was nearly all gone! There is still nearly 27% snow cover across the nation this year!
DAY 2 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 1229 PM CDT SUN MAR 17 2013 VALID 181200Z - 191200Z ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS MS...AL...NWRN GA...CNTRL AND ERN KY AND TN... ...SYNOPSIS... A NEGATIVELY TILTED UPPER TROUGH AXIS WILL EXTEND FROM THE UPPER MS VALLEY SEWD INTO THE OH VALLEY BY 18Z AND WILL RAPIDLY MOVE NEWD ACROSS THE GREAT LAKES BY EVENING. HOWEVER...A SECONDARY JET MAX WILL ALSO STRENGTHEN OVERNIGHT INTO THE MID MS VALLEY...AND WILL RESULT IN WIDESPREAD HEIGHT FALLS FROM THE OH/TN VALLEYS INTO THE SERN STATES. ...KY/TN/MS/AL/GA/FL PANHANDLE... A SURFACE LOW IS FORECAST TO MOVE FROM SRN IL/WRN KY NEWD INTO INDIANA BETWEEN 12-18Z...WITH A COLD FRONT TRAILING SWWD INTO TN...NRN MS AND SRN AR. STRONG FORCING FOR ASCENT WILL ACCOMPANY THIS LOW AND THE NRN PORTION OF THE COLD FRONT IN ASSOCIATION WITH THE NEGATIVE TILT SHORTWAVE TROUGH. WIDESPREAD RAIN AND THUNDERSTORMS SHOULD BE ONGOING ACROSS NRN MS/AL...TN...AND KY AS A RESULT. WITH RELATIVELY STRONG MEAN FLOW...SOME OF THIS CONVECTION MAY BE SEVERE WITH MAINLY DAMAGING WINDS AND MARGINAL HAIL.
Spring Begins Wednesday
Although the calendar will say Spring, it’ll feel more like Winter for folks in the northeast quadrant of the nation through much of the week. Below are high temperatures expected Wednesday with the departure from normal tomorrow (Tuesday).
Northern Lights… A very nice display of northern lights was visible Saturday night across parts of the northern latitudes. Here is a great shot from Neva Andersen.
Thanks for checking in and have a great week ahead! Don’t forget to follow me on Twitter @TNelsonWNTV
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