Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 4, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Mar 4, 2001, 11:18 AM EST for Sarasota County, Florida. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 4, 2001, 11:18 AM EST (16:18 UTC)
- Expired
- Mar 4, 2001, 12:00 PM EST
- In force
- 42 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Sarasota County, FL
The radar
The Tampa radar (KTBW), 58 km from the middle of the area, began a volume at 16:20 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 4, 11:26 AM EST | Thunderstorm Wind | Sarasota, FL | Utility company representatives reported that thunderstorm winds downed numerous large trees, branches and power lines from Sarasota east to the Interstate 75 corridor in Sarasota county. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 4.3 hours before the alert went out and 58 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
- 605 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTBW 041619 SVRTBW FLC115-041700- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1118 AM EST SUN MAR 4 2001 THE NATIONAL WEATHER SERVICE IN RUSKIN FLORIDA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN SARASOTA COUNTY. * UNTIL NOON EST. * AT 1118 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER SARASOTA...MOVING SOUTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... SARASOTA. RIDGE WOOD HEIGHTS. BEE RIDGE. VAMO. MOVE INSIDE A STURDY BUILDING. DAMAGING WIND...LARGE HAIL... TORRENTIAL RAIN...AND DEADLY LIGHTNING ARE EXPECTED. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. MOVE TO A PLACE OF SAFETY...AN INTERIOR ROOM IN THE LOWEST FLOOR OF YOURK HOUSE OR BUSINESS. $$ LAT...LON 2739 8262 2727 8270 2719 8245 2738 8240 25 NNNN
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 4, 10:23 AM EST, 55 minutes earlier.
Area forecast discussion, Mar 4, 10:23 AM EST, 55 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
1023 AM EST SUN MAR 4 2001
I SEE NO REASON TO MAKE ANY WHOLESALE CHANGES TO THE FORECAST THIS
MORNING. THE WEATHER IS FALLING INTO PLACE JUST AS THE MID SHIFT
HAD INDICATED.
.TBW...SCA FROM BONITA BEACH TO SUWANNEE RIVER INCLUDING TAMPA BAY
HEAVY SURF ADVISORY BONITA BEACH TO SUWANNEE RIVER
FIRE WEATHER WATCH HERNAcNDO CITRUS SUMTER AND LEVY
MONDAY AFTERNOON.
SOBIENIn the hours before
Special weather statement, Mar 4, 6:30 AM EST, 4 hours 48 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-041600- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 630 AM EST SUN MAR 4 2001 ...SEVERE THUNDERSTORM WATCH FOR LEVY...CITRUS...SUMTER AND HERNANDO COUNTIES UNTIL 1100 AM... ...POTENTIAL FOR SEVERE WEATHER ELSEWHERE ACROSS WEST CENTRAL AND SOUTHWEST FLORIDA THROUGH THIS AFTERNOON... AN AREA OF LOW PRESSURE OVER THE SOUTHEAST UNITED STATES WILL CONTINUE TO STRENGTHEN AS IT MOVES NORTHEAST. A TRAILING COLD FRONT FROM THIS LOW WILL SWEEP ACROSS WEST CENTRAL AND SOUTHWEST FLORIDA DURING THE DAY...BRINGING MUCH COLDER WEATHER FOR THE UPCOMING WEEK. AHEAD OF THE FRONT...THE COMBINATION OF INCREASED ATMOSPHERIC MOISTURE...SUFFICIENT INSTABILITY AND INCREASED LOW AND MID LEVEL WIND FIELDS...WILL PROVIDE THE POSSIBILITY OF STRONG TO SEVERE THUNDERSTORMS THIS MORNING ACROSS WEST CENTRAL FLORIDA AND THIS AFTERNOON ACROSS SOUTHWEST FLORIDA. THE PRIMARY THREATS FROM THUNDERSTORMS WILL BE VERY STRONG GUSTY WINDS IN EXCESS OF 50 MPH AND DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES...ALTHOUGH SMALL HAIL AND ISOLATED TORNADOES OR WATERSPOUTS ARE ALSO POSSIBLE. THE TIMES OF GREATEST RISK FOR SEVERE WEATHER...FROM LEVY TO PASCO COUNTY...WILL BE FROM 6 AM TO 9 AM. FOR THE TAMPA BAY REGION...THE STRONGEST STORMS WILL MOST LIKELY OCCUR BETWEEN 9 AM AND NOON. FOR AREAS SOUTH OF TAMPA AND INTERIOR COUNTIES...THE GREATEST THREAT FOR STRONG STORMS WILL LIKELY OCCUR BETWEEN 10 AM AND 4 PM. OVER THE COASTAL WATERS...GUSTY SOUTHWEST TO WEST WINDS WILL CONTINUE INCREASING TO 25 KNOTS TODAY...WITH SMALL CRAFT ADVISORIES IN PLACE. THE STRONGER WINDS WILL RESULT IN BUILDING SEAS AND THE POSSIBILITY OF HIGHER THAN NORMAL WATER LEVELS ALONG THE COAST. MARINERS AND COASTAL RESIDENTS ARE ADVISED TO MONITOR WEATHER FORECASTS AND NOT VENTURE FROM PORT. SKYWARN SPOTTERS HAVE BEEN ACTIVATED AND ARE ADVISED TO MONITOR WEATHER CONDITIONS AND FORWARD THEIR SEVERE REPORTS TO THE NATIONAL WEATHER SERVICE IN RUSKIN. ALL RESIDENTS OF WEST CENTRAL AND SOUTHWEST FLORIDA PLANNING ANY OUTDOOR ACTIVITIES TODAY SHOULD STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS ON THIS DEVELOPING WEATHER SITUATION. GARRARD
Special weather statement, Mar 4, 9:15 AM EST, 2 hours 3 minutes before
FLZ039-042-043-048-041515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 915 AM EST SUN MAR 4 2001 ...SEVERE THUNDERSTORM WATCH FOR LEVY...CITRUS...SUMTER AND HERNANDO COUNTIES HAS BEEN CANCELED... THE LINE OF THUNDERSTORMS HAVE MOVER SOUTH AND EAST OF THE AREA... THEREFORE THE WATCH HAS BEEN CANCELED . SKYWARN SPOTTERS HAVE BEEN ACTIVATED AND ARE ASKED TO CONTINUE TO MONITOR WEATHER CONDITIONS AND FORWARD THEIR SEVERE REPORTS TO THE NATIONAL WEATHER SERVICE IN RUSKIN. ALL RESIDENTS OF WEST CENTRAL AND SOUTHWEST FLORIDA PLANNING ANY OUTDOOR ACTIVITIES TODAY SHOULD STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS ON THIS DEVmELOPING WEATHER SITUATION.
Local storm report, Mar 4, 9:35 AM EST, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
935 AM EST SUN MAR 04 2001
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0815 AM HUDSON FL WIND DAMAGE
03/04/01 PASCO THERE HAVE BEEN
NUMEROUS REPORTS OF
WIND DAMAGE IN THE
HUDSON AREA OF PASCO
COUNTY. A NWS
REPRESENTATIVE WILL
INVERSTIGATE THE AREA
THIS MORNING TO
DETERMINE WHETHER THE
DAMAGE WAS A TORNADO OR
STRAIGHT LINE WINDS.The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 4, 7:30 AM EST | Severe Thunderstorm Warning | TBW | Citrus | 45 min |
| Mar 4, 7:39 AM EST | Severe Thunderstorm Warning | TBW | Pasco, Pinellas | 51 min |
| Mar 4, 11:11 AM EST | Severe Thunderstorm Warning | TBW | Manatee | 34 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.