Alert archive / Florida / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 20, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Mar 30, 1996, 4:49 PM EST for Citrus County, Florida. It was in force for 56 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
- Mar 30, 1996, 4:49 PM EST (21:49 UTC)
- Expired
- Mar 30, 1996, 5:45 PM EST
- In force
- 56 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Citrus County, FL
The radar
The Tampa radar (KTBW), 128 km from the middle of the area, began a volume at 21:51 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 9.8 hours before the alert went out and 128 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
- 1385 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 30, 3:05 PM EST, 1 hour 44 minutes earlier.
Area forecast discussion, Mar 30, 3:05 PM EST, 1 hour 44 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL 305 PM EST SAT MAR 30 1996 WELL...JUST ABOUT AS EXPECTED SUMMER-LIKE WEATHER IS CURRENTLY CRANKING UP ACROSS THE AREA. ISOL HAIL PRODUCING SVR TSTMS SHOULD CONTINUE TO DEVELOP FOR THE NEXT COUPLE OF HOURS AS THEY MOVE ENE...THEN DISSIPATE WITH LOSS OF SUNSHINE. BEST CHC OF PRECIP FOR THE COASTAL AREAS WILL BE TONIGHT AS CONVECTIVE BLOB MOVES ACROSS THE AREA...IN ASSOCIATION WITH THE STRONG UPPER LEVEL DIVERGENCE. SHOULD BE AN EVENING VERY SIMILAR TO LAST WEDNESDAY AND THURSDAY. SFC LOW EXPECTED TO MOVE NORTH OF FLORIDA MONDAY...WITH WINDS SWINGING AROUND TO SOUTHWESTERLY. MODELS DO INDICATE THAT RESIDUAL MOISTURE WILL TRAIL ACROSS CENTRAL AND SOUTHERN HALF OF FL...SO WITH SOME DAYTIME HEATING...SCT TSTMS SHOULD AGAIN FIRE...ALTHOUGH STRONG DYNAMICS WILL BE LACKING. AGREE WITH `AFDMLB` THAT WITH CONTINUED COLD TEMPS ALOFT... THERE COULD BE ISOLATED HAIL TSTMS AGAIN. NO TIME FOR MY TEMPERATURE/POP THOUGHTS...BUT LOOKING OVER THE NUMBERS FROM MIA -- I HAVE NO REASON TO ARGUE ANYTHING MUCH DIFFERENT. NASH
In the hours before
Special weather statement, Mar 30, 11:35 AM EST, 5 hours 14 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-504-505-301900- WEST CENTRAL AND SOUTHWEST FLORIDA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 1135 AM EST SAT MAR 30 1996 ...SLIGHT CHANCE FOR SEVERE THUNDERSTORMS FOR WEST CENTRAL FLORIDA... THE LOWER LEVELS OF THE ATMOSPHERE ARE WARM AND UNSTABLE...WHILE COLD AIR ALOFT COMBINED WITH AN UPPER LEVEL DISTURBANCE MOVING ACROSS THE SOUTHEASTERN U.S. ALL ADD UP TO SHOWER AND THUNDERSTORM DEVELOPMENT. SOME MAY BECOME SEVERE WITH HAIL...LOCALLY HEAVY RAIN AND GUSTY WINDS. THUNDERSTORMS OVER THE NORTHEAST GULF THIS MORNING WILL AFFECT AREAS MAINLY NORTH OF A BROOKSVILLE TO ORLANDO LINE THIS AFTERNOON WITH WIDESPREAD RAINFALL AND EMBEDDED STRONGER STORMS. FROM THE TAMPA AREA SOUTH TO FORT MYERS...DAYTIME HEATING WILL RESULT IN THE FORMATION OF A SEA BREEZE. THIS SEA BREEZE WILL BE A FOCUS FOR ADDITIONAL THUNDERSTORM DEVELOPMENT EARLY THIS AFTERNOON. THESE STORMS WILL THEN PUSH EAST...AFFECTING INLAND COUNTIES LATE THIS AFTERNOON INTO EARLY EVENING. SOME OF THESE THUNDERSTORMS MAY ALSO APPROACH SEVERE LIMITS. THE MAIN THREAT FROM THE STRONGER THUNDERSTORMS TODAY WILL BE LARGE HAIL AND STRONG WIND GUSTS OVER 40 MPH. ALL THUNDERSTORMS WILL ALSO PRODUCE VERY HEAVY RAINFALL AND DEADLY LIGHTNING. PERSONS ACROSS THE AREA SHOULD REMAIN ON THE LOOKOUT FOR RAPIDLY CHANGING WEATHER AND MOVE INDOORS AS THUNDERSTORMS APPROACH. BOATERS SHOULD BE PREPARED TO RETURN TO PORT AS THE THUNDERSTORMS OVER THE GULF APPROACH THE COAST. EMERGENCY MANAGEMENT AND STORM SPOTTERS ACROSS THE REGION ARE ASKED TO RELAY ANY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN RUSKIN. NASH
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 1:49 PM EST | Severe Thunderstorm Warning | TBW | Hillsborough | 41 min |
| Mar 30, 2:30 PM EST | Severe Thunderstorm Warning | TBW | Pasco, Polk | 45 min |
| Mar 30, 3:15 PM EST | Severe Thunderstorm Warning | TBW | Polk | 45 min |
| Mar 30, 3:25 PM EST | Tornado Warning | TBW | Polk | 50 min |
| Mar 30, 3:52 PM EST | Tornado Warning | TBW | Polk | 53 min |
| Mar 30, 3:58 PM EST | Severe Thunderstorm Warning | TBW | Hernando | 47 min |
| Mar 30, 4:17 PM EST | Tornado Warning | TBW | Hernando | 43 min |
| Mar 30, 4:22 PM EST | Severe Thunderstorm Warning | TBW | Levy | 38 min |
| Mar 30, 4:40 PM EST | Severe Thunderstorm Warning | TBW | Sumter | 50 min |
| Mar 30, 4:58 PM EST | Tornado Warning | TBW | Sumter | 47 min |
| Mar 30, 5:48 PM EST | Severe Thunderstorm Warning | TBW | Hernando, Sumter | 42 min |
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; radar from the NEXRAD Level II archive.