Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 16, NWS Tampa Bay, FL

March 30, 2001Sarasota County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Mar 30, 2001, 2:33 AM EST for Sarasota County, Florida. It was in force for 12 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, 2001, 2:33 AM EST (07:33 UTC)
Expired: Mar 30, 2001, 2:45 AM EST
In force: 12 min
Issued by: NWS Tampa Bay, FL
Area: Whole counties

County Sarasota County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 7.6 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 843 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: -198 m²/s²
0-3 km storm-relative helicity: 179 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KTBW 300733
SVRTBW
FLC115-300745-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
233 AM EST FRI MAR 30 2001

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

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

* UNTIL 245 AM EST.

* AT 233 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH DAMAGING WINDS...OVER CENTRAL SARASOTA
  COUNTY...MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  MYAKKA RIVER STATE PARK.

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 YOUR HOUSE OR BUSINESS.

WIND GUSTS TO 60 MPH WILL CAUSE SOME STRUCTURAL DAMAGE...MAINLY TO
TREES AND POWER LINES. POORLY ANCHORED ROOFS...MOBILE HOMES...AND
SHEDS ARE ALSO AT RISK.

$$

LAT...LON 2726 8242 2717 8235 2727 8226 2738 8226

88
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 29, 9:00 PM EST, 5 hours 33 minutes earlier.

Area forecast discussion, Mar 29, 9:00 PM EST, 5 hours 33 minutes before

WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
900 PM EST THU MAR 29 2001

SEVERE WEATHER WATCH WILL BE ALLOWED TO EXPIRE AT 9 PM. ZONES WILL
BU UPDATED AT THAT TIME. WILL STILL HOLD ON TO WORDING FOR POSSIBLE
STRONG THUNDERSTORMS OVERNIGHT AS YET ANOTHER SIGNIFICANT VORT MAX
MOVES ACROSS THE AREA BETWEEN 06Z AND 09Z...BUT ATMOSPHERE HAS
STABILIZED SIGNIFICANTLY FROM EARLIER CONVECTION...SO THREAT OF
SEVERE IS SMALL...ALTHOUGH NOT COMPLETELY GONE. BEST THREAT WOULD
SEEM TO BE OVER CHARLOTTE AND LEE COUNTIES

SEAS AT BUOY 42036 ARGUE FOR A POSSIBLE INCREASE TO SCA...BUT WINDS
DO NOT SUPPORT SUCH A MOVE. COASTAL LOCATIONS ALSO REPORTING LIGHT
WINDS...SO WILL KEEP CURRENT SCEC STANDING.

.TBW...SMALL CRAFT EXERCISE CAUTION TONIGHT BONITA BEACH TO SUWANNEE
       RIVER OUT 60NM INCLUDING TAMPA BAY.

ALSHEIMER

In the hours before

Special weather statement, Mar 29, 9:00 PM EST, 5 hours 33 minutes before

FLZ055>057-060>062-065-300215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
900 PM EST THU MAR 29 2001

...SEVERE THUNDERSTORM WATCH FOR MANATEE...HARDEE...HIGHLANDS...
SARASOTA...DESOTO...CHARLOTTE...AND LEE COUNTIES HAS BEEN ALLOWED
TO EXPIRE...

THUNDERSTORMS FROM EARLIER THIS EVENING HAVE STABILIZED THE
ATMOSPHERE ACROSS THE AREA. THEREFORE...THE SEVERE THUNDERSTORM
WATCH HAS BEEN ALLOWED TO EXPIRE AT 9 PM.

ALTHOUGH THE SEVERE THUNDERSTORM WATCH HAS EXPIRED ACROSS
CHARLOTTE...AND LEE COUNTIES...THE THREAT FOR LOCALLY HEAVY
RAINFALL...GUSTY WINDS...AND SMALL HAIL WILL CONTINUE AS AN AREA OF
THUNDERSTORMS IN THE SOUTHEASTERN GULF MOVES ONSHORE THROUGH
MIDNIGHT.

STAY TUNED TO NOAA WEATHER RADIO...OR YOUR LOCAL MEDIA OUTLETS IN THE
EVENT ANOTHER SEVERE WEATHER WATCH IS ISSUED...OR ANY STATEMENTS AND
WARNINGS BECOME NECESSARY.

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 30, 2:07 AM EST	Severe Thunderstorm Warning	TBW	Sarasota	23 min
Mar 30, 4:09 AM EST	Severe Thunderstorm Warning	TBW	Highlands	21 min
Mar 30, 5:35 AM EST	Tornado Warning	TBW	Charlotte, Lee	25 min

Nearby

Severe Thunderstorm Warnings in Florida, 2001 Every 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; the sounding from the Mesonet's radiosonde archive.