Skip Navigation Links www.nws.noaa.gov 
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
Storm Prediction Center
 
   

Search SPC
 

Mesoscale Discussion 1843
MD 1843 graphic
   
   MESOSCALE DISCUSSION 1843
   NWS STORM PREDICTION CENTER NORMAN OK
   0555 PM CDT MON JUL 14 2003
   
   AREAS AFFECTED...NRN MN
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 744...747...
   
   VALID 142255Z - 150100Z
   
   CONTINUE WWS.
   
   PRE-FRONTAL SURFACE TROUGH IS NOW PROGRESSING EAST OF THE
   INTERNATIONAL FALLS/BEMIDJI/FERGUS FALLS AREAS...WITH STRONGER
   MID/UPPER FORCING FOR UPWARD VERTICAL MOTION IN EXIT REGION OF
   CYCLONIC NORTHERN PLAINS JET STREAK SPREADING INTO/ACROSS WESTERN
   ONTARIO AND THE MINNESOTA ARROWHEAD.  ENVIRONMENT ACROSS NORTHEAST
   MINNESOTA HAS BECOME MODERATELY UNSTABLE WITH MEAN MIXED LAYER CAPE
   AROUND 2000 J/KG.  WHILE MORE SIGNIFICANT CONVECTIVE CLUSTER MAY
   REMAIN ALONG/NORTH OF THE U.S. BORDER... SUPERCELLS NOW DEVELOPING
   NORTH OF BRAINERD INTO AREAS EAST OF INTERNATIONAL FALLS WILL POSE
   THREAT FOR LARGE HAIL/DAMAGING WIND GUSTS AND ISOLATED TORNADOES
   ACROSS HIBBING AND AREAS NORTH/EAST BY 01Z.
   
   ..KERR.. 07/14/2003
   
   
   ATTN...WFO...DLH...
   
   46689230 46789328 47079403 47659437 48209358 48539307 
   
Top/All Mesoscale Discussions/Forecast Products/Home