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 368
< Previous MD         Next MD >
MD 368 graphic

   MESOSCALE DISCUSSION 0368
   NWS STORM PREDICTION CENTER NORMAN OK
   0802 PM CDT SAT APR 18 2015

   AREAS AFFECTED...PORTIONS OF CNTRL/ERN OK

   CONCERNING...SEVERE THUNDERSTORM WATCH 77...

   VALID 190102Z - 190230Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 77
   CONTINUES.

   SUMMARY...THE RISK FOR SVR STORMS WITH HAIL/STRONG WINDS CONTINUES
   ACROSS WW 77.

   DISCUSSION...CLUSTERS OF STRONG TO SEVERE TSTMS WILL CONTINUE
   TRACKING NEWD ACROSS WW 77...WITH ADDITIONAL CONVECTION ENTERING THE
   REGION FROM THE W LATER THIS EVENING/OVERNIGHT. WATER VAPOR LOOPS
   INDICATE LARGE-SCALE ASCENT OVERTAKING THE WARM/MOIST SECTOR OVER
   OKLAHOMA...WITH HIGH-BASED THUNDERSTORMS ACROSS THE TX PANHANDLE IN
   THE DEEPER/DRIER PBL REFLECTING THE INFLUENCE OF THE DEEPER ASCENT.
   WHILE THE COMBINATION OF EARLIER CONVECTIVE PROCESSING AND NOCTURNAL
   COOLING WILL LIKELY CONTRIBUTE TO STABILIZATION OF THE BOUNDARY
   LAYER...SOME RISK FOR SVR HAIL AND GUSTY WINDS WILL CONTINUE AS
   AREAS OF CONVECTION CONTINUE TO SPREAD ACROSS THE REGION. THIS WILL
   BE AIDED BY POCKETS OF RESIDUAL STEEP LAPSE RATES AND THE
   MAINTENANCE OF 30-40 KT OF EFFECTIVE BULK SHEAR. AS DISCUSSED IN MCD
   367...WW 77 MAY BE EXTENDED WWD INTO PORTIONS OF WRN OK PRIOR TO THE
   EXPIRATION OF TORNADO WATCH 73 TO THE W.

   ..COHEN.. 04/19/2015


   ATTN...WFO...TSA...OUN...

   LAT...LON   33959740 34399782 35729794 36159733 36819706 36849639
               34909613 34089636 33959740 

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: April 19, 2015
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities