Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 28, NWS Tampa Bay, FL

June 25, 2000Hillsborough County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 25, 2000, 5:15 PM EDT for Hillsborough County, Florida. It was in force for 30 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
Jun 25, 2000, 5:15 PM EDT (21:15 UTC)
Expired
Jun 25, 2000, 5:45 PM EDT
In force
30 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Hillsborough County, FL

What was reported inside it

TimeReportWhereRemark
Jun 25, 5:29 PM EDTThunderstorm WindTampa Intl Arpt, FLHillsborough County Emergency Management reported that thunderstorm winds toppled several large trees and downed power lines in the "Town n Country" area of western Hillsborough 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, 9.3 hours before the alert went out and 23 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 2000-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 205 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2000-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939Sfc1 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
205 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
1112 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
19 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 252115
SVRTBW
FLC057-252145-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
515 PM EDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN HILLSBOROUGH COUNTY.

* UNTIL 545 PM EDT

* AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH DAMAGING WINDS 8 MILES NORTHWEST OF
  TAMPA...MOVING SOUTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  CARROLLWOOD.
  TOWN 'N' COUNTRY.
  TAMPA INTERNATIONAL AIRPORT.
  WEST TAMPA INCLUDING THE WESTSHORE AREA.

SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND
HAIL THE SIZE OF DIMES OR LARGER. MOVE TO A PLACE OF SAFETY.

$$

LAT...LON 2791 8260 2789 8247 2818 8238 2817 8262

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 Jun 25, 1:00 PM EDT, 4 hours 15 minutes earlier.

Area forecast discussion, Jun 25, 1:00 PM EDT, 4 hours 15 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
100 PM EDT SUN JUN 25 2000

CURRENTLY: OFF TO A BIT SLOWER START WITH CONVECTION TODAY...AS ONE
WOULD EXPECT DURING THE TRANSITION TO DEEP SOUTHEASTERLY FLOW.
STILL SHOULD HAVE AN ACTIVE AFTERNOON IN THE AREA...JUST LATER THAN
THE LAST COUPLE OF DAYS.

FORECAST: MAIN FORECAST PROBLEM IS EXTENT OF DRY AIR THAT WILL MOVE
INTO THE AREA FROM THE EAST ON MONDAY AND MONDAY NIGHT. MODELS ARE
SHOWING THEIR USUAL BIASES WITH NGM PROBABLY TOO DRY AND AVN
PROBABLY TOO MOIST. INTERESTINGLY...POPS ON MACHINE GUIDANCE FOR
MON AT TAMPA WENT UP ABOUT 10 PERCENT ON BOTH FWC AND FAN. WILL PLAY
THE MIDDLE OF THE ROAD AND ESSENTIALLY GO CLIMO...ALTHOUGH THAT MAY
WIND UP BEING A BIT TOO HIGH IF DRY AIR WORKS IN MORE STRONGLY THAN
ANTICIPATED. WILL GO A BIT LOWER INLAND AND NORTH. TEMPS A TAD
WARMER THE NEXT TWO DAYS WITH SEABREEZE BEING HELD NEAR THE COAST
THROUGH A GOOD PART OF THE AFTERNOON.

EXTENDED: MRF SHOWS RIDGE BEING TEMPORARILY SUPPRESSED TO THE
SOUTHERN FA AGAIN BY LATE WEEK AS A SHORTWAVE DROPS INTO THE
SOUTHEAST. WILL WORD FOR MORE OF A CHANCE OF MORNING ACTIpVITY IN
THE NORTH BY FRIDAY.

PRELIM NUMBERS:
TPA 73/92/74/92 5555
FMY 72/92/73/92 4545

.TBW...NONE.

ALSHEIMER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 5:25 PM EDTSevere Thunderstorm WarningTBWPinellas35 min
Jun 25, 5:38 PM EDTTornado WarningTBWHillsborough22 min

Nearby

Severe Thunderstorm Warnings in Florida, 2000Every severe thunderstorm warning in 2000

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.