Alert archive / Florida / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 22, NWS Tampa Bay, FL

June 6, 2004Lee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 6, 2004, 4:32 PM EDT for Lee County, Florida. It was in force for 43 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
Jun 6, 2004, 4:32 PM EDT (20:32 UTC)
Expired
Jun 6, 2004, 5:15 PM EDT
In force
43 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), 138 km from the middle of the area, began a volume at 20:31 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, 8.5 hours before the alert went out and 138 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 2004-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 857 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 2004-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
857 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
928 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
59 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.

485 
WUUS52 KTBW 062032
SVRTBW
FLC071-062115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
432 PM EDT SUN JUN 6 2004

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

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

* UNTIL 515 PM EDT

* AT 432 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER
  LEHIGH ACRES...MOVING NORTHEAST AT 5 MPH.

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

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

&&

LAT...LON 2664 8183 2650 8171 2664 8148 2676 8163

$$

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 6, 1:30 PM EDT, 3 hours 2 minutes earlier.

Area forecast discussion, Jun 6, 1:30 PM EDT, 3 hours 2 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
130 PM EDT SUN JUN 6 2004

.SHORT TERM (THIS EVE-TUE)...FOR NOW...APPEARS THAT DRY AIR ALOFT
HAS MIXED DOWN SOMEWHAT AS PARTLY SUNNY SKIES ARE THE RULE INLAND
AND GULF COAST SEA BREEZE...ENHANCE BY SW FLOW...IS PROVIDING A
GREAT AFTN AT THE BEACH.  HAVE UPDATED GRIDS SIGNIFICANTLY TO ACCOUNT
AND ZONES HAVE BEEN TOUCHED UP AS WELL. THAT SAID...STILL BELIEVE
ACTIVITY WILL CONTINUE TO DEVELOP OVER INLAND AREAS AND BECOME MORE
WIDESPREAD OVER CENTRAL/E CENTRAL FL BY MID TO LATE AFTN.

FOR THE REST OF THE PERIOD...AFTER PERHAPS ISOLD/SCT MORNING ACTIVITY
ALONG THE NORTHERN NATURE COAST (CITRUS/LEVY) MONDAY IT APPEARS LOW
LEVEL FLOW WILL TURN VERY LIGHT.  WITH GOOD BUT NOT COPIOUS DEEP
MOISTURE...PCP WATER VALUES BETWEEN 1.5 AND 1.9...EXPECT A RETURN
TO AFTN/EVE CONVECTION WITH LOCATION FOCUSING ON BOUNDARIES MORE
THAN THE SEA BREEZE.  HIGHEST CHANCES SHOULD BE OVER THE CENTER OF
THE STATE WHERE COLLISIONS WILL BE MAXIMIZED.

SLOW MOVEMENT OF CELLS WILL ALLOW FOR A FEW GULLY WASHERS...AND
GIVEN THE TIME OF YEAR EXPECT A FEW PULSE-SEVERE EACH AFTN.  THE SLOW
MOVEMENT MAY HOLD ACTIVITY WELL INTO THE EVENING MONDAY NIGHT.  SKY
COVER WILL RANGE FROM MOSTLY CLEAR IN THE MORNING TO MOSTLY CLOUDY...
MAINLY INLAND...DURING THE AFTN/EVE WITH CONVECTION AND AFTERMATH.
TEMPS SHOULD AVERAGE OUT NEAR OR A HAIR BELOW NORMAL.

.LONG TERM (TUE NIGHT-SUN)...WEAK RIDGING ALOFT AND SFC FROM THE
WESTERN ATLANTIC TO HOLD OVER THE REGION INTO LATE WEEK. EXPECT
SCT DIURNAL SEABREEZE CONVECTION EACH AFT/EVE WITH TEMPS NEAR
NORMAL. FOR NEXT WEEKEND RIDGING GETS SHOVED S IN RESPONSE TO
UPPER/SFC TROFS MOVING FROM THE WESTERN GULF TO THE NE GULF
SAT/SUN. SUB TROP JET TO HELP KEEP/BRING ABUNDANT MOISTURE PLUS LIFT
TO THE AREA WITH AT LEAST SCT POPS AHEAD AND ALONG SYSTEM LATE IN THE
PERIOD. MAX TEMPS MAY BE A FEW DEGREES LOWER WITH CLOUD COVER WHILE
MIN TEMPS A FEW DEGREES HIGHER ON LL SW/W FLOW.

&&

.MARINE...LIGHT WINDS AND SLIGHT SEAS THROUGH THE PERIOD...WITH A
SLIGHT UPTICK DURING THE AFTN SEA BREEZE.  DIRECTION WILL AVERAGE
FROM THE SOUTHEAST.

&&

.FIRE WEATHER...HUMIDITY...DISPERSION...AND MIXING HEIGHT ARE RIGHT
IN THE CLIMATOLOGICAL RANGE.  NO HIGHLITES.

&&

.PRELIMINARY POINT TEMPS/POPS...

TPA 074 088 074 091 / 00 40 40 50
FMY 072 091 072 092 / 00 40 40 50
GIF 072 091 072 092 / 30 60 40 50
SRQ 072 088 073 088 / 00 40 40 50
BKV 068 089 068 091 / 30 40 40 50

.TBW WATCHES/WARNINGS/ADVISORIES...NONE.

&&

SHORT TERM...BSG
LONG TERM....RD
Hazardous weather outlook, Jun 6, 5:35 AM EDT, 10 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
535 AM EDT SUN JUN 6 2004

FLZ039-042-043-048>052-055>057-060>062-065-061500-
CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-
LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER-
535 AM EDT SUN JUN 6 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST
FLORIDA.

.DAY ONE...TODAY:

...ISOLATED STRONG THUNDERSTORMS POSSIBLE TODAY...

SIMILAR TO THE PAST FEW DAYS...AN UPPER LEVEL DISTURBANCE...COMBINED
WITH A MOIST SOUTHWEST FLOW WILL LEAD TO SCATTERED TO NUMEROUS
SHOWERS AND THUNDERSTORMS TODAY.

SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS
MORNING OVER THE EASTERN GULF WATERS AND BECOME MORE NUMEROUS AS THEY
MOVE INTO THE IMMEDIATE COASTAL COUNTIES.  AS IS TYPICALLY THE CASE
WITH SOUTHWEST FLOW...THE SHOWERS AND THUNDERSTORMS WILL SHIFT INLAND
AND BECOME MOST NUMEROUS OVER INLAND AREAS BY THIS AFTERNOON.

SOME STORMS COULD BECOME STRONG TODAY...WITH THE MAIN THREATS BEING
LOCALLY HEAVY RAINFALL THAT COULD CAUSE MINOR FLOODING OF POOR
DRAINAGE AND LOW LYING AREAS...GUSTY WINDS TO 40 MPH...AND DANGEROUS
CLOUD TO GROUND LIGHTNING.

WHEN SKIES DARKEN...MOVE INDOORS. IF THERE IS TIME...UNPLUG
APPLIANCES AND ELECTRICAL EQUIPMENT.  WAIT UNTIL THE STORM ENDS
BEFORE USING THE TELEPHONE OR RUNNING WATER.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR
POSSIBLE STATEMENTS OR WARNINGS TODAY.

DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY:

ON MONDAY...THE SOUTHWESTERLY FLOW IS EXPECTED TO CONTINUE WITH
MORNING SHOWERS AND THUNDERSTORMS NEAR THE COAST...SHIFTING INLAND BY
AFTERNOON.

FOR TUESDAY THROUGH SATURDAY...A SOUTH TO SOUTHEAST FLOW WILL BECOME
ESTABLISHED ACROSS THE REGION WITH SCATTERED MAINLY AFTERNOON AND
EVENING THUNDERSTORMS EACH DAY.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY.

&&

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

PRC

In the hours before

Special weather statement, Jun 6, 1:30 PM EDT, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
130 PM EDT SUN JUN 6 2004

FLZ055-061800-
MANATEE-
130 PM EDT SUN JUN 6 2004

...STRONG THUNDERSTORMS NEARLY STATIONARY OVER NORTHERN MANATEE
COUNTY...
A THUNDERSTORM WILL AFFECT PARRISH AND ELLENTON UNTIL 200 PM EDT.
GUSTY WINDS UP TO 40 MPH WILL OCCUR. FREQUENT CLOUD TO GROUND
LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW
SPOT...AWAY FROM TALL OBJECTS. THIS STORM WILL PRODUCE PEA SIZE
HAIL. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL OCCUR. MOTORISTS
CAN EXPECT PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR
DRAINAGE AREAS.

GOLDSMITH
Special weather statement, Jun 6, 2:30 PM EDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
230 PM EDT SUN JUN 6 2004

FLZ055-060-061915-
MANATEE-SARASOTA-
230 PM EDT SUN JUN 6 2004

...STRONG THUNDERSTORMS WILL AFFECT MYAKKA CITY...
A THUNDERSTORM...MOVING NORTHEAST AT 5 MPH...WILL AFFECT MYAKKA
CITY...UNTIL 315 PM EDT. GUSTY WINDS 40 TO 50 MPH MAY CAUSE LOOSE
OBJECTS TO BLOW AROUND. MINOR DAMAGE TO TREE LIMBS AND WIRES IS
POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT
OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS.
TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES.
MOTORISTS MAY WANT TO DELAY TRAVEL.
Special weather statement, Jun 6, 4:08 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
408 PM EDT SUN JUN 6 2004

FLZ043-049-062100-
PASCO-SUMTER-
408 PM EDT SUN JUN 6 2004

...STRONG THUNDERSTORMS WILL AFFECT EXTREME EASTERN PASCO AND
SOUTHERN SUMTER COUTNIES...
A THUNDERSTORM...MOVING NORTHEAST AT 10 MPH...WILL AFFECT EASTERN
DADE CITY...EASTERN ZEPHYRHILLS...AND THE GREEN SWAMP...UNTIL 500 PM
EDT. GUSTY WINDS UP TO 50 MPH MAY CAUSE LOOSE OBJECTS TO BLOW
AROUND. SOME DAMAGE TO TREE LIMBS AND WIRES IS POSSIBLE. FREQUENT
CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH
DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM WILL PRODUCE
PEA SIZE HAIL. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON
ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS.
Special weather statement, Jun 6, 4:22 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
422 PM EDT SUN JUN 6 2004

FLZ065-062100-
LEE-
422 PM EDT SUN JUN 6 2004

...STRONG THUNDERSTORMS WILL AFFECT EASTERN LEE COUTNY...
A THUNDERSTORM...MOVING NORTHEAST AT 5 TO 10 MPH...WILL AFFECT MORSE
SHORES AND LEHIGH ACRES...UNTIL 500 PM EDT. GUSTY WINDS 40 TO 50 MPH
MAY CAUSE LOOSE OBJECTS TO BLOW AROUND. MINOR DAMAGE TO TREE LIMBS
AND WIRES IS POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS
EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM
TALL OBJECTS. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO
AT TIMES. MOTORISTS MAY WANT TO DELAY TRAVEL.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:50 AM EDTSpecial Marine WarningTBW25 min
Jun 6, 5:14 PM EDTSevere Thunderstorm WarningTBWHillsborough31 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.