Click-to-scroll-up Image
Skip Navigation Links 
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 is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.

Mesoscale Discussion 1837
< Previous MD         Next MD >
MD 1837 graphic

   Mesoscale Discussion 1837
   NWS Storm Prediction Center Norman OK
   0547 PM CDT Tue Sep 27 2022

   Areas affected...southern Florida

   Concerning...Tornado Watch 545...

   Valid 272247Z - 280245Z

   The severe weather threat for Tornado Watch 545 continues.

   SUMMARY...The threat of supercells within the outer bands of Ian
   will continue to pose a tornado risk through the evening.

   DISCUSSION...A northwest-southeast oriented band of supercells
   continues to translate north across southern FL, with periodic
   strong rotation and brief tornadoes. These storms may eventually
   encounter slightly lower boundary-layer theta-e as they gain
   latitude. However, advection of upper 70s F to near 80 F dewpoints
   will persist to the south, with slowly veering surface winds.

   Deep-layer effective shear is oriented quite favorably in relation
   to the outer convective bands, with a large component across the
   bands. This should aid supercellular storm mode, and the possibility
   of rightward motions relative to the weaker echoes, maximizing SRH.

   ..Jewell.. 09/27/2022

   ...Please see for graphic product...


   LAT...LON   26998253 27158204 27318120 27268056 26957997 26197998
               25468003 24948040 24618105 24488180 24748196 25608198
               26278207 26998253 

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.
Page last modified: September 28, 2022
Information Quality
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities