Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 29, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at May 3, 2001, 5:27 PM EDT for Manatee County, Florida. It was in force for 63 min. 2 reports 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
- May 3, 2001, 5:27 PM EDT (21:27 UTC)
- Expired
- May 3, 2001, 6:30 PM EDT
- In force
- 63 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Manatee County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 3, 5:43 PM EDT | Hail 0.75 | Ellenton, FL | The public reported, through Bay News Nine Cable, dime sized hail, from the intersection of Interstate 75 and State Road 43 in Ellenton, to the Sun Key Village subdivision along U.S. Highway 41 near the Manatee-Hillsborough county border. |
| May 3, 6:11 PM EDT | Thunderstorm Wind | Terra Ceia, FL | The Florida Highway Patrol reported thunderstorm winds downed several light poles along the Sunshine Skywarn Bridge (I-275) near Terra Ceia in Manatee 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, 9.5 hours before the alert went out and 26 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
- 209 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 905 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTBW 032128 SVRTBW FLC081-032230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 527 PM EDT THU MAY 3 2001 THE NATIONAL WEATHER SERVICE IN RUSKIN FLORIDA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN MANATEE COUNTY IN FLORIDA. * UNTIL 630 PM EDT. * AT 527 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER PALMETTO...MOVING SOUTHWEST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... PARRISH. ELLENTON. PALMETTO. WEST BRADENTON. LONGBOAT KEY. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...OAND HAIL THE SIZE OF DIMES OR LARGER. MOVE TO A PLACE OF SAFETY. $$ LAT...LON 2763 8227 2765 8256 2740 8270 2740 8241 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 May 3, 2:15 PM EDT, 3 hours 12 minutes earlier.
Area forecast discussion, May 3, 2:15 PM EDT, 3 hours 12 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 215 PM EDT THU MAY 3 2001 CURRENTLY...88D LOOP CLEARLY SHOWS TWO SEPARATE REGIMES OF PRECIP ACROSS THE PENIN. A LARGE AREA OF -RA MOVING FROM SW TO NE ASSOCIATED WITH THE UPPER LOW...AND MORE POTENT SHOWERS MOVING FROM EAST TO WEST IN THE LOW LEVEL EASTERLY FLOW. COVERAGE HAS BEEN INCREASING IN THE PAST HOUR...MAKING IT MORE PROMISING FOR MANY AREAS TO GET SOME MEASURABLE RAIN. SHORT-TERM: APPEARS TO BE SOME LOW LEVEL CONVERGENCE ON THE WEST SIDE OF THE PENIN BETWEEN ENE FLOW AND NNE FLOW. THIS...ALONG WITH THE UPPER LEVEL SHOULD HELP TO INCREASE COVERAGE ALONG TOWARD THE WEST SIDE OF THE PENIN LATER THIS AFTN AND EARLY EVENING. FCST DISC: THE UPPER LOW OVER THE NE GULF IS FCST BY ALL MODELS TO MOVE SE ACROSS THE CENT PENIN TONIGHT...AND THEN OFF THE SE FL COAST BY FRI. THE BEST CHCS FOR RAINFALL WILL BE WITH THE UPPER LOW THROUGH THIS EVENING. LATEST MODELS SEEMS TO HANG ONTO A LITTLE MORE MOISTURE OVER THE S 1/2 OF THE FA EARLY FRI. THUS...WILL KEEP ISOLD POPS FOR SOUTHERN-MOST GROUP ON FRI...BUT DRY REST OF THE AREA. NO POPS EXPECTED FROM LATER FRI THROUGH SAT NIGHT. TEMPS TO REMAIN NEAR NORMAL. EXTENDED: WEAK UPPER RIDGE WILL BE OVER THE AREA THROUGH TUES...THEN ANOTHER UPPER TROF MOVES INTO THE E U.S. WED AND THURS. LOOKS LIKE A BACKDOOR FRONT MOVES INTO THE AREA ON MON...BUT NOT GOING FOR ANY PRECIP YET FOR ANY OF THE EXTENDED PERIOD. TEMPS NEAR NORMAL. MARINE: MODELS INDICATING MARGINAL SCEC CONDITIONS TONIGHT...BUT WILL LIKELY HOLD OFF HEADLINE FOR NOW. WINDS TO REMAIN 15 KTS OR LESS AND SEAS LESS THAN 5 FT THROUGH TUES. FIRE WX: WITH FULL SUN AND WARM TEMPS OVER THE N FA ON FRI...HAVE DECIDED TO GO FIRE WX WATCH ACROSS LEVY FOR MARGINAL RH DURATIONS. PRELIM S: TPA 064/083 063/085 3100 FMY 064/084 063/087 4200= .TBW...NONE. MORALES
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 5:23 PM EDT | Severe Thunderstorm Warning | TBW | Sarasota | 37 min |
| May 3, 5:28 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 62 min |
| May 3, 6:02 PM EDT | Severe Thunderstorm Warning | TBW | Pinellas | 58 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.