Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 66, NWS Tampa Bay, FL

June 17, 2001Hardee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 17, 2001, 9:13 PM EDT for Hardee County, Florida. It was in force for 32 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: Jun 17, 2001, 9:13 PM EDT (01:13 UTC)
Expired: Jun 17, 2001, 9:45 PM EDT
In force: 32 min
Issued by: NWS Tampa Bay, FL
Area: Whole counties

County Hardee County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 1.2 hours before the alert went out and 63 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: 2069 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1184 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 33 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 180115
SVRTBW

FLC049-180145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
913 PM EDT SUN JUN 17 2001

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN HARDEE COUNTY IN FLORIDA.

* UNTIL 945 PM EDT.

* AT 913 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...JUST 
  WEST OF WAUCHULA...MOVING WEST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  ONA BY 920 PM EDT.
  FORT GREEN BY 925 PM EDT.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE
INDOORS IMMEDIATELY. DO NOT USE ELECTRICAL APPLIANCES OR TELEPHONES.

$$

LAT...LON 2742 8180 2760 8178 2763 8196 2745 8204

57
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 Jun 17, 9:09 PM EDT, 4 minutes earlier.

Area forecast discussion, Jun 17, 9:09 PM EDT, 4 minutes before

WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
909 PM EDT SUN JUN 17 2001

SEA BREEZE/OUTFLOW BOUNDARY INTERACTIONS CONTINUE TO FIRE OFF
CONVECTION OVER POLK...HARDEE...DESOTO...AND HIGHLANDS COUNTIES EARLY
THIS EVENING. WITH NUMEROUS OUTFLOW BOUNDARIES NOTED ON 88D AND
SATELLITE LOOPS PUSHING WEST...MAY SEE ADDITIONAL CONVECTION FIRE OFF
OVER MY COASTAL COUNTIES FROM SARASOTA NORTH TO TAMPA DURING THE
NEXT HOUR OR SO...BEFORE CONVECTION FINALLY BEGINS TO WIND DOWN.
WILL MONITOR 88D TRENDS A WHILE LONGER BEFORE UPDATING ZONES TO CLEAN
UP EVENING POP WORDING...OTHERWISE NO OTHER CHANGES ARE PLANNED. ON
THE MARINE SIDE...LATTEST C-MAN AND OFFSHORE BUOYS AS WELL AS LATEST
RUC40 WIND OUTPUT SUPPORTS ONGOING CWF PACKAGE...SO ONLY MINOR PRECIP
WORDING CHANGES FOR THE OVERNIGHT PERIOD IS EXPECTED IN THE 1030 PM
UPDATE.

TBW...NONE.

MCMICHAEL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 3:20 PM EDT	Severe Thunderstorm Warning	TBW	Hillsborough	40 min
Jun 18, 4:25 PM EDT	Severe Thunderstorm Warning	TBW	Lee	35 min
Jun 18, 4:36 PM EDT	Severe Thunderstorm Warning	TBW	Pasco	39 min
Jun 18, 5:02 PM EDT	Severe Thunderstorm Warning	TBW	Lee	28 min
Jun 18, 5:15 PM EDT	Severe Thunderstorm Warning	TBW	Pasco	45 min
Jun 18, 5:29 PM EDT	Severe Thunderstorm Warning	TBW	Charlotte, Lee	31 min
Jun 18, 6:11 PM EDT	Severe Thunderstorm Warning	TBW	Hardee	34 min
Jun 18, 6:35 PM EDT	Severe Thunderstorm Warning	TBW	Polk	40 min
Jun 18, 7:12 PM EDT	Severe Thunderstorm Warning	TBW	Polk	33 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.