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 30
< Previous MD         Next MD >
MD 30 graphic

   MESOSCALE DISCUSSION 0030
   NWS STORM PREDICTION CENTER NORMAN OK
   1031 AM CST SUN JAN 11 2015

   AREAS AFFECTED...NRN AR...SERN TO ECNTRL MO AND SWRN IL

   CONCERNING...FREEZING RAIN 

   VALID 111631Z - 112030Z

   SUMMARY...AN AREA OF MOSTLY LIGHT TO OCCASIONALLY MODERATE FREEZING
   RAIN FROM NRN AR INTO SRN MO WILL EXPAND NEWD THROUGH SERN MO AND
   INTO SRN IL THE REMAINDER OF THIS MORNING INTO THE AFTERNOON. A
   GRADUAL TRANSITION TO ALL RAIN IS EXPECTED ACROSS NRN AR INTO SRN MO
   THIS AFTERNOON.

   DISCUSSION...AN AREA OF MOSTLY LIGHT FREEZING RAIN WITH RATES FROM
   .01 TO .02 INCHES PER HOUR EXTENDS FROM SCNTRL MO SWD THROUGH CNTRL
   AR. THIS PRECIPITATION IS ASSOCIATED WITH ASCENT ALONG WARM CONVEYOR
   BELT ATTENDING A NEWD ADVANCING SHORTWAVE TROUGH CURRENTLY CENTERED
   OVER ERN OK. TEMPERATURES ARE RISING ABOVE FREEZING FROM SERN MO
   INTO SRN IL DOWNSTREAM FROM THIS BAND OF PRECIPITATION...BUT WET
   BULB TEMPERATURES REMAIN WELL BELOW FREEZING. THOUGH EVAPORATIVE
   COOLING WILL BE OFFSET SOMEWHAT BY WEAK WARM ADVECTION NEAR THE
   SFC...TEMPERATURES ARE EXPECTED TO AGAIN FALL TO 32-31F WITH ONSET
   OF PRECIPITATION FROM ECNTRL TO SERN MO INTO A PORTION OF SRN IL.
   THE PRECIPITATION SHOULD GRADUALLY TRANSITION TO MOSTLY RAIN OVER
   NRN AR AND PARTS OF SRN MO DURING THE AFTERNOON.

   ..DIAL.. 01/11/2015


   ATTN...WFO...PAH...MEG...LSX...LZK...SGF...

   LAT...LON   37718877 36489039 35329190 35389299 36739333 38249186
               38638944 37718877 

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: January 11, 2015
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities