Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NOAA's National Weather Service   Select to go to the NWS homepage
Storm Prediction Center
navigation bar left  
  navigation bar end cap


 
NOAA is celebrating 200 years of science, service, and stewardship. Visit the NOAA 200th celebration Web site to learn more
USA.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.

Mesoscale Discussion 762
< Previous MD          Next MD >
MD 762 graphic
   
   MESOSCALE DISCUSSION 0762
   NWS STORM PREDICTION CENTER NORMAN OK
   0802 PM CDT THU MAY 01 2008
   
   AREAS AFFECTED...SOUTHEAST SD/NORTHWEST IA/SOUTHWEST MN
   
   CONCERNING...TORNADO WATCH 243...
   
   VALID 020102Z - 020215Z
   
   CORRECTED FOR MN GEOGRAPHIC DESCRIPTION
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 243 CONTINUES.
   
   TORNADO WATCH 243 CONTINUES UNTIL 04Z...WITH A RISK OF
   TORNADOES/LARGE HAIL.
   
   A MODESTLY UNSTABLE AIRMASS CONTINUES TO WRAP WEST-NORTHWESTWARD
   ACROSS THE SIOUXLAND IN VICINITY OF A 991 MB SURFACE LOW BETWEEN
   SIOUX FALLS/YANKTON SD...WITH A WARM FRONT EXTENDING EAST-SOUTHEAST
   INTO NORTH CENTRAL IA. IN VICINITY OF THE SURFACE LOW/WARM FRONT...A
   NUMBER OF SUPERCELLS WITH A HISTORY OF LARGE HAIL/SOME TORNADOES
   CONTINUE TO LIFT NORTHWARD ALONG/JUST NORTH OF THE WARM FRONT...WITH
   STORMS LIKELY TO CONTINUE EXPANDING ACROSS SOUTHWEST MN/FAR
   NORTHWEST IA OVER THE NEXT FEW HOURS. WITHIN THIS CORRIDOR...A
   STRONGLY SHEARED ENVIRONMENT WITH 0-1 KM SRH OF 250-400 M2/S2 PER
   SIOUX FALLS WSR-88D VWP WILL CONTINUE TO REMAIN VERY FAVORABLE FOR
   STORM ROTATION/POSSIBLE TORNADOES IN SPITE OF A MODESTLY UNSTABLE
   AIRMASS. THREAT INCLUDES AREAS ALONG I-90 IN SOUTHEAST SD/FAR
   SOUTHWEST MN INTO NORTHWEST IA OVER THE NEXT FEW HOURS.
   
   ..GUYER.. 05/02/2008
   
   
   ATTN...WFO...MPX...DMX...FSD...ABR...
   
   44759902 44489645 43789423 42449441 43359832 
   
Top/All Mesoscale Discussions/Forecast Products/Home
Weather Topics:
Watches, Mesoscale Discussions, Outlooks, Fire Weather, All Products, Contact Us

NOAA / National Weather Service
National Centers for Environmental Prediction
Storm Prediction Center
120 David L. Boren Blvd.
Norman, OK 73072 U.S.A.
spc.feedback@noaa.gov
Page last modified: May 01, 2008
Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities