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 49
< Previous MD         Next MD >
MD 49 graphic

   MESOSCALE DISCUSSION 0049
   NWS STORM PREDICTION CENTER NORMAN OK
   0614 AM CST SAT FEB 01 2014

   AREAS AFFECTED...NRN INDIANA...S CENTRAL AND SE LOWER MI

   CONCERNING...HEAVY SNOW 

   VALID 011214Z - 011715Z

   SUMMARY...A BAND OF MODERATE-HEAVY SNOWFALL WITH RATES NEAR 1 INCH
   PER HOUR WILL CONTINUE TO DEVELOP NEWD ACROSS NRN INDIANA AND LOWER
   MI THIS MORNING...AND PERSIST INTO EARLY AFTERNOON.  THE ZONE OF
   FREEZING RAIN TO THE S WILL SHRINK AS WARMING OCCURS FROM SE-NW
   ACROSS INDIANA/OH THIS MORNING.

   DISCUSSION...A WELL-DEVELOPED BAND OF SNOW IS SPREADING NEWD FROM NE
   IL INTO NW INDIANA...AND THIS TREND WILL CONTINUE ENEWD OVER
   SRN/SERN LOWER MI THROUGH THE REMAINDER OF THE MORNING.  THE SNOW
   BAND IS BEING SUPPORTED BY STRONG LOW-LEVEL WAA AND MOISTURE
   TRANSPORT ON THE NOSE OF A 45-50 KT SWLY LLJ...AND THIS REGIME WILL
   SHIFT ENEWD THROUGH THE MORNING IN TANDEM WITH SURFACE CYCLONE NOW
   APPROACHING CENTRAL MO.  A DEEP SUB-FREEZING ISOTHERMAL LAYER AND
   THE INFLUX OF LOW-MIDLEVEL MOISTURE WILL SUPPORT AOA 1 INCH PER HOUR
   SNOWFALL RATES.  S OF THE HEAVIER SNOW BAND...WARMING LOW-LEVEL
   TEMPERATURES WILL RESULT IN A QUICKLY SHRINKING ZONE OF FREEZING
   RAIN AND A SHARPER TRANSITION ZONE FROM FREEZING/RAIN TO SNOW BY
   LATE MORNING.

   ..THOMPSON.. 02/01/2014


   ATTN...WFO...CLE...DTX...IWX...GRR...IND...LOT...

   LAT...LON   42088313 41678394 40668618 40558703 40748746 41158752
               41568746 41838691 42158605 42698436 43018311 43088256
               42848241 42088313 

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: February 01, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities