Alert archive / Florida / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 8, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 19, 1996, 4:49 PM CST for Bay County, Florida. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 19, 1996, 4:49 PM CST (22:49 UTC)
- Expired
- Feb 19, 1996, 5:30 PM CST
- In force
- 41 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Bay County, FL
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.8 hours before the alert went out and 129 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 667 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTLH 192250 RRA SVRTLH FLC005-FLZ506-192330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE TSTM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 549 PM EST (449 PM CST) MON FEB 19 1996 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A SEVERE TSTM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 630 PM EST (530 FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST FLORIDA ...BAY COUNTY AND FOR MARINE INTERESTS ON THE GULF COASTAL WATERS FROM THE ...DESTIN TO PANAMA CITY AT 445 CST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A VERY STRONG THUNDERSTORM DEVELOPING ALONG THE COAST AND OVER PANAMA CITY BEACH. THIS THUNDERSTORM IS MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL MOVE ACROSS THE PANAMA CITY AREA AND WEST BAY DURING THE NEXT HALF HOUR. THIS STORM HAS THE POTENTIAL TO PRODUCE WIND GUSTS OF 60 MILES AN HOUR AND LARGE HAIL. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. SEVERE THUNDERSTORMS PRODUCE WINDS OF 50 KNOTS OR GREATER... VERY ROUGH SEAS AND LIGHTNING. YOUR BEST COURSE OF ACTION IS TO SEEK SAFE HARBOR...BUT IF YOU ARE CAUGHT ON THE OPEN WATER... STAY BELOW DECK AND AWAY FROM UNGROUNDED METAL OBJECTS. MAKE SURE YOU AND ALL YOUR CREW ARE WEARING FLOTATION DEVICES.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 19, 3:09 PM CST, 1 hour 40 minutes earlier.
Area forecast discussion, Feb 19, 3:09 PM CST, 1 hour 40 minutes before
ALZ065>069-FLZ007>019-026>029-034-200245- AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 347 PM EST MON FEB 19 1996 STG/SVR TSTMS TO W OVR SRN MS MOVG INTO PARTS OF WRN AL ATTM. TOR WATCH FOR LARGE PART OF FL PNHNDL AND SE AL TIL 02Z. XPCT LINE OF STG TO SVR TSTMS TO CONT MAKING STEADY EWD PROGRESS THIS EVE. ENTIRE AREA WILL REMAIN IN FAVORABLE LEFT FRONT QUAD OF 90-100 KT POLAR JET STREAK WHICH WILL ENHANCE UVVS. NGM ALSO SHOWS DECENT QG SUPPORT AS S/W MOVS E ALG NRN GULF STATES THRU FIRST PD. GOOD LLVL SUPPORT AS WELL WITH PLENTY OF ISENT LIFT IN BNDRY LAYER TO SUPPORT DVLPMNT OF DEEP CONVECTION...ALTHO SFC LOW/TROF WL WEAKEN. THE PROBLEM IS...NW FL AND SW GA RMN TO E OF PSEUDO WARM FNTL BNDRY WITH DEWPTS ONLY IN UPR 40S AND LWR 50S AND LWR CAP WHICH WILL LIMIT INSTABILITY FOR THE TIME BEING. WHILE THIS CAP SHOULD BE ELIMINATED AND HIER DEWPTS SHOULD ADVECT IN FROM W...THIS MIGHT NOT HAPPEN UNTIL JUST BEFORE ONGOING CNVCTN ARRIVES. FURTHERMORE...LATEST MDL RUNS INDICATE THAT WIND FIELDS ARE ABOUT AS STG AS THEY WILL GET RIGHT NOW ACRS LA/MS/AL. LLVL JET AND MID LVL JETLET ARE ALL FCST TO WEAKEN TWD 06Z AND 12Z AS THEY MOV EWD...DIMINISHING SR HELICITIES OVR TIME ACRS FCST AREA. ALL THE SAME...SINCE SVR CONVECTION IS ALREADY IN PROGRESS TO W...WOULD BE IN FAVOR OF KEEPING PSBL SVR THREAT IN ZNS. BEYOND 12Z...NO BIG COOL DOWN XPCTD AFTER S/W AND SFC TROF PASS. BROAD UPR RDG WILL MOV INTO SRN PLAINS WHICH WILL SUPPORT WEAK SFC HI PRES RDG OVR THE GULF TUE NITE INTO WED. AS FOR GUID...WITH ONGOING TRW/RW...CATEGORICAL POPS ARE IN ORDER OVR FCST AREA TONITE. FWC MIN TOO WARM AT TLH TONITE. WL STICK CLOSE TO FWC/FAN BLEND DUE TO LACK OF TIME FOR .REST OF FCST. 1) 56/70/53/77 9300 2) 59/71/56/74 9300 3) 58/71/51/79 8300 MOORE
Nearby
Severe Thunderstorm Warnings in Florida, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.