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
   0657 PM CDT FRI APR 18 2014

   AREAS AFFECTED...PORTIONS OF EASTERN MONTANA

   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 

   VALID 182357Z - 190130Z

   PROBABILITY OF WATCH ISSUANCE...5 PERCENT

   SUMMARY...AN ISOLATED MARGINALLY SVR WIND GUST MAY OCCUR EARLY THIS
   EVENING. A WW IS NOT NEEDED.

   DISCUSSION...CONVECTION ARCING N-S IN ADVANCE OF A STRONG/COMPACT
   VORT MAX CROSSING MONTANA PER WATER VAPOR IMAGERY WILL CONTINUE
   SPREADING EWD WITHIN A ZONE OF STEEP TROPOSPHERIC LAPSE RATES. WITH
   40-50 KT OF MID-LEVEL FLOW SAMPLED BY GGW/BLX VWP...CONVECTION WITH
   ISOLATED-SCATTERED LIGHTNING STRIKES WILL REMAIN POSSIBLE EWD ACROSS
   ERN MT. AN ISOLATED MARGINALLY SVR WIND GUST MAY ACCOMPANY THIS
   ACTIVITY WITHIN AROUND 40-50 MILES DOWNSTREAM OF ITS ONGOING
   POSITION. EVEN FARTHER E...PROGRESSIVELY LESS STEEP LOW-LEVEL LAPSE
   RATES OWING TO EARLIER CLOUD-STUNTED SFC HEATING SHOULD DEPLETE SUCH
   POTENTIAL.

   ..COHEN/MEAD.. 04/18/2014


   ATTN...WFO...BYZ...GGW...

   LAT...LON   48180746 48610749 48700691 48290638 47590619 46550627
               45780688 45550751 45520840 45870832 46270753 46830709
               47240702 47810719 48180746 

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