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 5
< Previous MD         Next MD >
MD 5 graphic

   MESOSCALE DISCUSSION 0005
   NWS STORM PREDICTION CENTER NORMAN OK
   1107 AM CST FRI JAN 02 2015

   AREAS AFFECTED...THE PERMIAN BASIN AND LOW ROLLING PLAINS OF W TX

   CONCERNING...FREEZING RAIN 

   VALID 021707Z - 022130Z

   SUMMARY...A BAND OF FREEZING RAIN WILL PERSIST FOR SEVERAL HOURS
   ACROSS PARTS OF W TX WITH ICE ACCRETION RATES UP TO AROUND 0.10
   IN/HR.

   DISCUSSION...FREEZING RAIN HIGHLIGHTED EARLIER THIS MORNING WITHIN
   MCD 0004 APPEARS LIKELY TO PERSIST FOR SEVERAL MORE HOURS. IR CLOUD
   TOPS HAVE RECENTLY COOLED WITHIN A LOBE OF FORCED ASCENT DOWNSTREAM
   OF THE VIGOROUS SHORTWAVE TROUGH CENTERED OVER SE AZ. THIS APPEARS
   TO BE SUPPORTING CONTINUOUS REDEVELOPMENT OF CONVECTION WITHIN ABOUT
   A 50-MILE WIDE CONVEYOR BELT FROM THE TRANS-PECOS NE TOWARDS THE RED
   RIVER. METAR/MESONET OBSERVATIONS CONFIRM SURFACE TEMPERATURES IN
   THE 27-31 DEG F RANGE WITHIN THIS PRECIPITATION BAND. ALTHOUGH
   NEAR-SURFACE WINDS WILL REMAIN LIGHT...MAINTENANCE OF A NLY
   COMPONENT WILL STILL YIELD CAA /ALBEIT QUITE WEAK/ TO SLOW LIMITED
   DIURNAL HEATING. WITH AN ABOVE-FREEZING WARM NOSE SAMPLED BY 12Z MAF
   RAOB...SETUP SHOULD YIELD PROLONGED ICE ACCUMULATIONS. THIS SCENARIO
   APPEARS WELL SIMULATED BY 12Z 4KM WRF-NMM GUIDANCE.

   ..GRAMS.. 01/02/2015


   ATTN...WFO...LUB...MAF...

   LAT...LON   31800221 31290297 31090320 31030345 31220358 31630346
               32340298 33180204 33800124 33940086 33950057 33770037
               33420041 32860099 31800221 

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 02, 2015
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities