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 735
< Previous MD         Next MD >
MD 735 graphic

   MESOSCALE DISCUSSION 0735
   NWS STORM PREDICTION CENTER NORMAN OK
   1134 PM CDT WED MAY 25 2016

   AREAS AFFECTED...PORTIONS ERN NEB...WRN IA...EXTREME SRN MN.

   CONCERNING...SEVERE THUNDERSTORM WATCH 211...

   VALID 260434Z - 260600Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 211
   CONTINUES.

   SUMMARY...POTENTIAL FOR SPORADIC DAMAGING...ISOLATED SEVERE GUSTS
   AND MARGINALLY SVR HAIL WILL PERSIST ACROSS ERN PORTIONS WW...AND
   MAY SHIFT EWD ACROSS PORTIONS SERN NEB AND WRN IA DURING NEXT 2-3
   HOURS.  CONVECTIVE/INSTABILITY TRENDS WILL BE MONITORED FOR
   POSSIBILITY OF THREAT EXTENDING E OF CURRENT WW.

   DISCUSSION...BKN/WAVY SQUALL LINE IS EVIDENT AS OF 430Z FROM SWRN
   CORNER OF MN TO CLAY COUNTY NEB.  THOUGH GUST FRONT HAS REMAINED AS
   MUCH AS 10-15 NM AHEAD OF E-CENTRAL/S-CENTRAL NEB
   SEGMENT...SUFFICIENT DOWNWARD MOMENTUM TRANSFER HAS OCCURRED TO
   PRODUCE ISOLATED SVR GUSTS.  FOR EXAMPLE...52-KT GUST WAS MEASURED
   AT HSI AT 0339Z.  MOISTURE TRANSPORT AND LOW-LEVEL WAA WILL PERSIST
   FOR AT LEAST A FEW MORE HOURS AHEAD OF THIS COMPLEX...ENABLING
   FORCED ASCENT OF FAVORABLY BUOYANT NEAR-SFC AIR ATOP GUST FRONT AND
   INTO UPDRAFTS.  GRADUALLY INCREASING WARM-SECTOR SBCINH IS EXPECTED
   THROUGH REMAINDER OF TONIGHT...HOWEVER MUCAPE SHOULD CONTINUE TO
   RANGE FROM ABOUT 1000 J/KG OVER SRN MN TO 2500 J/KG OVER SERN
   NEB...AMIDST ROUGHLY 40-KT SWLY EFFECTIVE-SHEAR VECTORS...BASED ON
   MODIFIED RAOBS AND MODEL SOUNDINGS.  ISOLATED SVR HAIL ALSO MAY
   OCCUR WITH ANY TSTMS THAT DEVELOP BEHIND OUTFLOW BOUNDARY OVER SRN
   NEB...AND ISOLATED SMALL CLUSTER OF TSTMS OVER EXTREME SRN MN.

   ..EDWARDS.. 05/26/2016


   ATTN...WFO...MPX...DMX...FSD...OAX...GID...

   LAT...LON   40619796 41819787 42079717 42569683 42639648 43039628
               43449619 43759400 42259419 40939560 40239704 40619796 

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 26, 2016
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities