Alert archive / Florida / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 4, NWS Tampa Bay, FL

February 25, 2004Lee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 25, 2004, 10:00 AM EST for Lee County, Florida. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 25, 2004, 10:00 AM EST (15:00 UTC)
Expired
Feb 25, 2004, 10:45 AM EST
In force
45 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Lee County, FL

The radar

The Tampa radar (KTBW), 151 km from the middle of the area, began a volume at 15:01 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 3.0 hours before the alert went out and 151 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 2004-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2004-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
572 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
25 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 251500
SVRTBW
FLC071-251545-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
959 AM EST WED FEB 25 2004

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LEE COUNTY IN FLORIDA.

* UNTIL 1045 AM EST

* AT 959 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A   BAND OF SEVERE THUNDERSTORM WITH DAMAGING WINDS...EXTENDING    
   FROM LEHIGH ACRES TO BONITA SPRINGS MOVING SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  BONITA SPRINGS.
  LEHIGH ACRES.


&&

LAT...LON 2648 8203 2630 8190 2634 8154 2667 8157

$$

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 Feb 25, 9:30 AM EST, 30 minutes earlier.

Area forecast discussion, Feb 25, 9:30 AM EST, 30 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
930 AM EST WED FEB 25 2004

.CURRENT/SHORT TERM...WIND FROM EASTERLY DIRECTION OVER FORECAST AREA
FLOWING INTO BROAD LOW OVER THE GULF. AREA OF RAIN MAINLY FROM TAMPA
BAY SOUTH WITH A VIGOROUS BAND OF THUNDERSTORMS OVER EXTREME SOUTH
MARINE AREA. MODELS IN AGREEMENT ON DECREASING PRECIPITABLE WATER BUT
KEEPING ENOUGH MOISTURE FOR AREAS OF LIGHT RAIN OR SHOWERS PASSING BY
LATER TODAY AND TONIGHT UNTIL THE UPPER TROUGH MOVES EAST OF THE
AREA. A BREAK IN THE CLOUDS EXISTS OVER THE NORTHERN ZONES AND THIS
SHOULD BE SPREADING SOUTH DURING THE DAY. SOME PATCHY FOG WILL
DEVELOP TONIGHT IN CLOUDLESS WIND PROTECTED AREAS WHERE RADIATIONAL
COOLING CAN OCCUR.

&&

.MARINE.... OFFSHORE WINDS HAVE SMOOTHED NEARSHORE WATERS BUT JUST
OFFSHORE...WINDS STILL IN THE SCEC TO SCA RANGE. WILL ASSESS
ADVISORIES BEFORE NEXT UPDATE.

&&

.FIRE WEATHER...NO PROBLEMS THROUGH THURSDAY.

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
 SCA BONITA BCH TO ENGLEWOOD OUT 60 NM.
 SCEC ENGLEWOOD TO SUWANNEE RVR OUT 60 NM...INCLUDING TAMPA BAY

CP
Hazardous weather outlook, Feb 25, 5:00 AM EST, 5 hours before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
500 AM EST WED FEB 25 2004

...HEAVY RAIN AND LOCALLY SEVERE WEATHER EVENT WINDING DOWN...

.LOW PRESSURE IN THE CENTRAL GULF WILL CONTINUE TO GENERATE LOCALLY
HEAVY RAINS THIS MORNING JUST SOUTH OF TAMPA THROUGH SOUTHWEST
FLORIDA.  CONDITIONS HAVE IMPROVED DRAMATICALLY ACROSS THE NATURE
COAST WHERE ONLY LIGHT RAINS ARE EXPECTED.  THE THREAT OF SEVERE
WEATHER NOW EXISTS ONLY IN LEE COUNTY...WHERE THE FRONT HAS YET TO
PASS.

FLZ039-042-043-048-251600-
CITRUS-HERNANDO-LEVY-SUMTER-
500 AM EST WED FEB 25 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR FLORIDAS NATURE COAST.

.DAY ONE...TODAY:

THOUGH A FLOOD WATCH REMAINS IN EFFECT...CONDITIONS CONTINUE TO
IMPROVE.  THE WATCH WILL LIKELY BE CANCELLED LATER THIS MORNING. NO
ADDITIONAL HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY:

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/TBW (LOWER CASE)

FLZ049>052-251600-
HILLSBOROUGH-PASCO-PINELLAS-POLK-
500 AM EST WED FEB 25 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR TAMPA BAY AND POLK COUNTY.

.DAY ONE...TODAY:

...RAIN ON THE WANE...

LOCALLY HEAVY RAINS WILL CONTINUE FROM SAINT PETERSBURG EAST TO LAKE
WALES THROUGH 8 OR 9 AM BEFORE BEGINNING TO TAPER OFF.  MINOR MAINLY
URBAN FLOODING MAY OCCUR...ESPECIALLY IN POOR DRAINAGE AREAS.  A
FLOOD WATCH REMAINS IN EFFECT TODAY.

HEAVY RAINS MAY CAUSE MINOR FLOODING OF POOR DRAINAGE AND LOW LYING
AREAS. SMALL STREAMS MAY BRIEFLY EXCEED BANK FULL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY:

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/TBW (LOWER CASE)

FLZ055>057-060-061-251600-
DE SOTO-HARDEE-HIGHLANDS-MANATEE-SARASOTA-
500 AM EST WED FEB 25 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SARASOTA BRADENTON AND POINTS
EAST.

.DAY ONE...TODAY:

...LOCALLY HEAVY RAIN THIS MORNING THEN IMPROVEMENT LATER TODAY...

A BAND OF RAIN WILL CONTINUE IN THE SARASOTA BRADENTON AREA THROUGH
MID MORNING...EXTENDING EAST TO HARDEE...DESOTO...AND HIGHLANDS
COUNTIES.  THE HEAVIEST RAINS WILL BE NEAR THE COAST...WHERE 1 TO 2
INCHES MAY FALL BEFORE THE PRECIPITATION TAPERS OFF LATER THIS
MORNING OR EARLY THIS AFTERNOON.  MINOR MAINLY URBAN FLOODING MAY
OCCUR...ESPECIALLY IN POOR DRAINAGE AREAS.

HEAVY RAINS MAY CAUSE MINOR FLOODING OF POOR DRAINAGE AND LOW LYING
AREAS. SMALL STREAMS MAY BRIEFLY EXCEED BANK FULL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY:

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/TBW (LOWER CASE)

FLZ062-065-251600-
CHARLOTTE-LEE-
500 AM EST WED FEB 25 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST FLORIDA.

.DAY ONE...TODAY:

...LOCALLY HEAVY RAIN AND A FEW THUNDERSTORMS TODAY...

LOCALLY HEAVY RAIN BANDS WILL SHIFT INTO SOUTHWEST FLORIDA AFTER
SUNRISE AS A FRONT CONTINUES TO SAG SOUTH.  EMBEDDED THUNDERSTORMS
WILL ENHANCE RAIN TOTALS...AND WILL CONTAIN OCCASIONAL CLOUD TO
GROUND LIGHTNING AND WIND GUSTS TO 25 MPH.  SEVERE WEATHER IS NOT
EXPECTED.

STORM TOTALS OF 1 TO 2 INCHES ARE LIKELY BY AFTERNOON...WITH LOCALLY
HIGHER AMOUNTS UP TO 3 INCHES WHERE STRONGER CELLS DEVELOP. MINOR
MAINLY URBAN FLOODING MAY OCCUR LATER THIS MORNING AND EARLY THIS
AFTERNOON...ESPECIALLY IN POOR DRAINAGE AREAS.  CONDITIONS WILL
IMPROVE BY EVENING.

HEAVY RAINS MAY CAUSE MINOR FLOODING OF POOR DRAINAGE AND LOW LYING
AREAS. SMALL STREAMS MAY BRIEFLY EXCEED BANK FULL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY:

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/TBW (LOWER CASE)

BSG

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 8:20 AM ESTSpecial Marine WarningTBW55 min

Nearby

Severe Thunderstorm Warnings in Florida, 2004Every severe thunderstorm warning in 2004

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; radar from the NEXRAD Level II archive.