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(T. F. “Storm” Walsh)
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Greetings to everyone!
Please be aware, even though I do not post every night, rest assured I am continuously monitoring various areas for any significant weather. I will be taking Sundays off (family time), unless we have active systems that may be posing a threat (i.e. Tropical, Winter Weather, Coastal Storms, etc.).
The SPC (Storm Prediction Center) has issued a MARGINAL risk of SEVERE THUNDERSTORMS over portions of CENTRAL/SOUTHWESTERN FLORIDA…
Strong to marginally severe thunderstorms are possible today through tonight across parts of central and southwestern Florida.
SPC DAY 1 CONVECTIVE OUTLOOK MAPS
Based on analysis of the SPC outlooks for the next 3 days, a MARGINAL risk for severe thunderstorms will be in place over the Florida central peninsula. A stationary front will remain stalled over the area through the weekend into Monday. Based on analysis of the current SPC outlook, the mid to upper disturbance in a series of waves over the Gulf responsible for bringing heavy thunderstorms to central FL. and over my weather office early this a.m., will eject NEWD. These series of disturbances will allow for another round of severe thunderstorms this afternoon into evening, pretty much an on and off pattern. Given the current cloud coverage, and the fact rain has cooled the area, based on recent soundings, rich boundary layer moisture will have the tendency to pretty much make up for warming mid layers of the atmosphere. Based on analysis of severe weather indices, using F5 DATA Severe Weather software, this will produce MLCAPE of 500 – 1500 j/kg. (Mixed Layer Convective Available Potential Energy) [MLCAPE (Mixed Layer Convective Available Potential Energy) is a measure of instability in the troposphere. This value represents the mean potential energy conditions available to parcels of air located in the lowest 100-mb when lifted to the level of free convection (LFC). No parcel entrainment is considered.] Based on analysis, Surface Based CAPE will be at the same values. Long story short, a chance for some weak tornado activity could occur with any stronger, organized cells throughout the day. This is supported by EHI values of 1, Significant Tornado Parameter values of 1 to 3, Lifted index of -2 to -4, helicity of 100 – 200, coupled with MLCAPE and SBCAPE of 500 – 1500.
The following maps from F5 DATA are outlined where the greatest values of these parameters were indicated, using the RAP modeling.
F5 DATA GREATEST SEVERE AND TORNADO PROBABILITY 12:00 NOON
F5 DATA 3:00 P.M.
F5 DATA 6:00 P.M.
SPC MESOSCALE DISCUSSIONS (CLICK IMAGE FOR UPDATES)
SPC CONVECTIVE WATCHES (CLICK IMAGE FOR UPDATES)
The following NWS Watch / Warning map will provide local NWS information for your area. Click the image, then once it refreshes, click on your area of interest to view any special weather statements, hazards or advisories for your area.
NWS WATCH / WARNING DISPLAY (LINKED)
Use the following link to see your area forecast. Once on the site, type in your zip code in the green box:
WSI DOPPLER RADAR LOOP (LINKED)
I will not be in the office tomorrow in time to issue another forecast for the severe risk for tomorrow. Pleas click the following graphic for current SPC information regarding any severe weather:
SPC HOME PAGE
You may direct any questions by contacting me personally, ANYTIME, at: email@example.com
Have a blessed day!
T. F. “STORM” WALSH III
GMCS, USCG (ret)
METEOROLOGIST / HURRICANE SPECIALIST /SEVERE WEATHER SPECIALIST
MEMBER WEST CENTRAL FLORIDA AMS
I won’t be in the office until late tomorrow, so I will not be able to update on the severe threat for tomorrow. However, click the following graphic to access current SPC severe weather outlook information.
SPC HOME PAGE
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