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 559
< Previous MD          Next MD >
MD 559 graphic
   
   MESOSCALE DISCUSSION 0559
   NWS STORM PREDICTION CENTER NORMAN OK
   0502 PM CDT FRI APR 04 2008
   
   AREAS AFFECTED...SERN LA/SRN MS/SRN AL/WRN FL PANHANDLE
   
   CONCERNING...TORNADO WATCH 164...
   
   VALID 042202Z - 042330Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 164 CONTINUES.
   
   SEVERE/ISOLATED TORNADO THREAT CONTINUES ACROSS PARTS OF WW 164. 
   WITH THIS WATCH SCHEDULED TO EXPIRE AT 04/23Z...NEW TORNADO WATCH
   WILL LIKELY BE REQUIRED FROM SERN LA ACROSS THE CENTRAL GULF COAST
   REGION.
   
   LATEST RADAR IMAGERY SHOWS STORM COVERAGE INCREASING NEAR AND S OF
   SEWD-MOVING COLD FRONT...WHICH NOW EXTENDS FROM A LOW OVER NERN AL
   SWWD ACROSS SERN MS AND INTO SWRN LA.  BOUNDARY LAYER REMAINS MOIST
   S OF THIS FRONT WITH DEWPOINTS GENERALLY IN THE 60S...WHICH IS
   CONTRIBUTING TO 500 TO 1500 J/KG MIXED-LAYER CAPE.
   
   WHILE STRONGEST DEEP-LAYER SHEAR SHOULD SHIFT GRADUALLY EWD WITH
   TIME AS THE LOW-LEVEL JET REDEVELOPS EWD INTO ERN AL/GA/THE
   CAROLINAS...50 TO 60 KT SWLY MID-LEVEL FLOW SHOULD PERSIST ACROSS
   THE CENTRAL GULF COAST/LOWER MS VALLEY REGION THROUGH THE
   EVENING...SUPPORTING A CONTINUED THREAT FOR ORGANIZED/SEVERE STORMS.
    WHILE GREATER TORNADO THREAT WILL LIKELY SHIFT EWD IN CONJUNCTION
   WITH THE LOW-LEVEL JET...HAIL AND LOCALLY-DAMAGING WINDS AND THE
   THREAT FOR AN ISOLATED TORNADO OR TWO -- ESPECIALLY OVER THE NEXT
   COUPLE OF HOURS -- WILL LIKELY NECESSITATE NEW WW ISSUANCE.
   
   ..GOSS.. 04/04/2008
   
   
   ATTN...WFO...FFC...TAE...BMX...MOB...JAN...LIX...LCH...
   
   29509136 30179178 31199150 32968626 32478510 31208488
   29168922 
   
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 04, 2008
Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities