Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 35, NWS Tampa Bay, FL

July 15, 2000Manatee County, Sarasota County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 15, 2000, 10:05 AM EDT for Manatee County, Sarasota County, Florida. It was in force for 50 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
Jul 15, 2000, 10:05 AM EDT (14:05 UTC)
Expired
Jul 15, 2000, 10:55 AM EDT
In force
50 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

Counties Manatee County, FL, Sarasota County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 2.1 hours before the alert went out and 42 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 2000-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2287 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 2000-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
2287 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
82 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.

997 
WUUS52 KTBW 151405
SVRTBW
FLC081-115-151455-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RUSKIN FL
1005 AM EDT SAT JUL 15 2000

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN MANATEE COUNTY IN WEST CENTRAL FLORIDA
  SARASOTA COUNTY IN WEST CENTRAL FLORIDA

* UNTIL 1055 AM EDT

* AT 1003 AM...A CLUSTER OF SEVERE THUNDERSTORMS WAS INDICATED BY
  NATIONAL WEATHER SERVICE DOPPLER RADAR NEAR BRADENTON EXTENDING SOUTH
  TO NEAR SARASOTA. THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 10
  TO 15 MPH.

SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WINDS IN EXCESS OF 58 MPH
AND/OR LARGE HAIL. MOVE INDOORS TO A STURDY BUILDING... MOBILE HOMES
ARE NOT SAFE.

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 Jul 15, 9:33 AM EDT, 32 minutes earlier.

Area forecast discussion, Jul 15, 9:33 AM EDT, 32 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
933 AM EDT SAT JUL 15 2000

VORT LOBE/SHEAR AXIS OFFSHORE THE BIG BEND MOVING SEWD ALONG WITH
ABUNDANT MOISTURE (PWS 2 AND LI  -6) AND LEFT OVER BOUNDARIES IS
RESULTING IN A LARGE AREA OF SHOWERS AND THUNDERSTORMS CURRENTLY
AFFECTING MUCH OF PINELLAS...HILLSBOROUGH...POLK AND MANATEE
COUNTIES EARLY THIS MORNING. AS VORT LOBE/SHEAR AXIS CONTINUES TO
DROP SEWD TODAY SHOULD CONTINUE TO SEE ADDITIONAL CONVECTION FIRE
OFF OVER THE FA THE REMAINDER OF TODAY...SO ONGOING HIGH POP FORECAST
LOOKS GOOD. AS FOR THE MORNING UPDATE PLAN TO DO SOME SUBTLE RE-
WORDING TO SKY CONDITIONS TO FIT ONGOING AND EXPECTED WEATHER AND
WILL ADD MENTION OF GUSTY WINDS NEAR TSTMS AS WIND GUSTS UP TO 32
KNOTS HAVE ALREADY BEEN OBSERVED. WILL ALSO MONITOR TEMP TRENDS AS
WELL AND WILL LIKELY LOWER SOME ACROSS THE BOARD DUE TO EXPECTED
CLOUD COVER AND PRECIP.

MARINE...WILL ADD MENTION OF HIGHER WIND AND SEAS NEAR THUNDERSTORMS
FOR THE AFTERNOON PERIOD...OTHERWISE CURRENT C-MAN AND OFFSHORE BUOYS
SUPPORTING ONGOING FORECAST. NO HIGHLIGHTS NEEDED.

.TBW...NONE.

MCMICHAEL

In the hours before

Special weather statement, Jul 15, 5:30 AM EDT, 4 hours 35 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-151500-

WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
530 AM EDT SAT JUL 15 2000

...SCATTERED TO NUMEROUS THUNDERSTORMS MAINLY FROM TAMPA BAY
   SOUTHWARD TODAY...

DEEP ATMOSPHERIC MOISTURE WILL BE IN PLACE MAINLY FROM THE TAMPA BAY
AREA SOUTHWARD TODAY. THEREFORE...THE BEST CHANCES FOR SHOWERS AND
THUNDERSTORMS WILL BE FROM ROUGHLY PASCO COUNTY SOUTHWARD...AND
BECOME MORE SCATTERED FROM HERNANDO AND SUMTER COUNTIES NORTHWARD
TODAY. SHOWERS AND THUNDERSTORMS WILL MOVE GENERALLY TOWARD THE EAST
AT 10 TO 15 MPH.

STRONGER THUNDERSTORMS WILL BE CAPABLE OF WIND GUSTS OF 30 TO 40
MPH...LOCALLY HEAVY DOWNPOURS...AND FREQUENT CLOUD TO GROUND
LIGHTNING.

MOVE INDOORS AS SOON AS YOU SEE LIGHTNING OR HEAR THUNDER.
REMEMBER...ANY THUNDERSTORM CAN PRODUCE DEADLY CLOUD TO GROUND
LIGHTNING.

MORALES

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 11:27 AM EDTTornado WarningTBWPasco33 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; the sounding from the Mesonet's radiosonde archive.