Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 28, NWS Tampa Bay, FL

May 3, 2001Sarasota County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at May 3, 2001, 5:23 PM EDT for Sarasota County, Florida. It was in force for 37 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
May 3, 2001, 5:23 PM EDT (21:23 UTC)
Expired
May 3, 2001, 6:00 PM EDT
In force
37 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Sarasota County, FL

What was reported inside it

TimeReportWhereRemark
May 3, 5:40 PM EDTHail 0.88Sarasota, FLThe public reported, through WWSB-TV of Sarasota, nickel sized hail near the intersection of U.S. Highway 41 and Proctor Road in Sarasota.

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, 9.4 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2001-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 209 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2001-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

763 
WUUS52 KTBW 032124
SVRTBW
FLC115-032200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
523 PM EDT THU MAY 3 2001

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN SARASOTA COUNTY IN FLORIDA.

* UNTIL 600 PM EDT.

* AT 523 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER    
  NORTHWESTERN SARASOTA COUNTY...MOVING VERY LITTLE.

* AT 523 PM EDT...WEATHER SPOTTERS REPORTED LARGE HAIL THROUGHOUT    
  THE SARASOTA AREA.

* THE SEVERE THUNDERSTORM WILL AFFECT ALL OF NORTHERN SARASOTA       
  COUNTY...

$$

LAT...LON 2738 8248 2728 8260 2714 8244 2729 8228

15
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 8 minutes earlier.

Area forecast discussion, May 3, 2:15 PM EDT, 3 hours 8 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.

IssuedProductOfficeCountiesLasted
May 3, 5:27 PM EDTSevere Thunderstorm WarningTBWManatee63 min
May 3, 5:28 PM EDTSevere Thunderstorm WarningTBWHillsborough62 min
May 3, 6:02 PM EDTSevere Thunderstorm WarningTBWPinellas58 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.