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


 
USA.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.

Mesoscale Discussion 1652
< Previous MD         Next MD >
MD 1652 graphic

   MESOSCALE DISCUSSION 1652
   NWS STORM PREDICTION CENTER NORMAN OK
   0909 PM CDT SUN AUG 31 2014

   AREAS AFFECTED...CNTRL/ERN IOWA AND ADJACENT NRN MO...SERN MN...SWRN
   WI

   CONCERNING...TORNADO WATCH 482...

   VALID 010209Z - 010345Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 482 CONTINUES.

   SUMMARY...THE RISK FOR STRONG...POTENTIALLY DAMAGING WIND
   GUSTS...AND PERHAPS A TORNADO OR TWO...LIKELY WILL CONTINUE WITH THE
   EASTWARD ADVANCING SQUALL LINE THROUGH AT LEAST THE 03-06Z TIME
   FRAME.  THE NEED FOR AN ADDITIONAL WATCH EAST OF SEVERE THUNDERSTORM
   WATCH 481 AND TORNADO WATCH 482 IS NOT OUT OF THE QUESTION.

   DISCUSSION...RECENT OBSERVED TRENDS IN LIGHTNING AND WDSS-II CAPPI
   DATA SUGGEST THAT CONVECTIVE INTENSITY HAS GENERALLY LEVELED OFF
   DURING THE PAST HOUR OR SO.  ALTHOUGH FLUCTUATIONS IN STRENGTH MAY
   STILL OCCUR...A SUBSTANTIVE FURTHER INCREASE IN INTENSITY SEEMS
   UNLIKELY AS NEAR SURFACE INFLOW CAPE BEGINS TO WANE.  HOWEVER...AS
   THE VIGOROUS UPSTREAM SHORT WAVE TROUGH GRADUALLY PIVOTS EAST
   NORTHEAST OF THE NORTH CENTRAL PLAINS THROUGH THE MID MISSOURI
   VALLEY LATE THIS EVENING...SOME FURTHER STRENGTHENING OF PRE-FRONTAL
   LOWER/MID TROPOSPHERIC FLOW /40-50 KT/ STILL APPEARS POSSIBLE.  THIS
   PROBABLY WILL MAINTAIN A CONTINUING RISK FOR DAMAGING WIND GUSTS
   WITH LINGERING CONVECTION SPREADING INTO THE MISSISSIPPI VALLEY
   THROUGH AT LEAST 03-06Z.

   ..KERR.. 09/01/2014


   ATTN...WFO...MKX...LSX...DVN...ARX...MPX...DMX...EAX...

   LAT...LON   43109299 44249257 44239096 43119025 41219091 40099238
               39579415 39989457 40499476 41379362 43109299 

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: September 01, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities