Alert archive / Florida / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 40, NWS Tampa Bay, FL

July 19, 2005Pinellas County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 19, 2005, 5:39 PM EDT for Pinellas County, Florida. It was in force for 23 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
Jul 19, 2005, 5:39 PM EDT (21:39 UTC)
Expired
Jul 19, 2005, 6:02 PM EDT
In force
23 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Pinellas County, FL

The radar

The Tampa radar (KTBW), 48 km from the middle of the area, began a volume at 21:43 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, 9.7 hours before the alert went out and 48 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 2005-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1228 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 2005-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
1228 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
0 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 192140
SVRTBW
FLC103-192215-
/O.NEW.KTBW.SV.W.0040.050719T2139Z-050719T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
539 PM EDT TUE JUL 19 2005

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL PINELLAS COUNTY IN FLORIDA.

* UNTIL 615 PM EDT

* AT 539 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL...OVER LARGO...MOVING NORTH AT
  10 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  LARGO BY 540 PM EDT.
  CLEARWATER BY 550 PM EDT.
  SAFETY HARBOR BY 605 PM EDT.
  DUNEDIN BY 615 PM EDT.

SEVERAL REPORTS OF PEA TO DIME SIZE HAIL HAS BEEN REPORTED WITH THIS
STORM OVER SEMINOLE...REDINGTON BEACH AND LARGO.

MOVE INSIDE A STURDY BUILDING. DAMAGING WIND...LARGE HAIL...
TORRENTIAL RAIN...AND DEADLY LIGHTNING ARE EXPECTED. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

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

&&

LAT...LON 2782 8287 2785 8267 2812 8269 2809 8294

$$

57
2 follow-up statements
000 
WWUS52 KTBW 192157
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
556 PM EDT TUE JUL 19 2005

FLC103-192215-
/O.CON.KTBW.SV.W.0040.000000T0000Z-050719T2215Z/
PINELLAS-
556 PM EDT TUE JUL 19 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES FOR CENTRAL PINELLAS
COUNTY UNTIL 615 PM EDT...

AT 556 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM NEAR CLEARWATER...MOVING NORTH AT 10 MPH.

THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING...
  EXCESSIVE AND DEADLY CLOUD-TO-GROUND LIGHTNING.

THIS STORM HAS A HISTORY OF PRODUCING PEA TO DIME SIZE HAIL AND GUSTY
WINDS UP TO 40 MPH. MOVE INTO A STURDY BUILDING IMMEDIATELY AVOID 
USING THE TELEPHONE OR OTHER ELECTRICAL EQUIPMENT WHILE LIGHTNING IS 
IN THE AREA.

&&

LAT...LON 2782 8287 2785 8267 2812 8269 2809 8294

$$

57
000 
WWUS52 KTBW 192202
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
602 PM EDT TUE JUL 19 2005

FLC103-192212-
/O.CAN.KTBW.SV.W.0040.000000T0000Z-050719T2215Z/
PINELLAS-
602 PM EDT TUE JUL 19 2005

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PINELLAS COUNTY IS
CANCELLED...

AT 602 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.

DOPPLER RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY 
WINDS WERE STILL POSSIBLE FROM THIS THUNDERSTORM.

&&

LAT...LON 2782 8287 2785 8267 2812 8269 2809 8294

$$

57

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 19, 1:15 PM EDT, 4 hours 24 minutes earlier.

Area forecast discussion, Jul 19, 1:15 PM EDT, 4 hours 24 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
115 PM EDT TUE JUL 19 2005

.SHORT TERM (TONIGHT-THU)...REST OF THIS AFTERNOON...WITH SOME DRY
AND SLIGHTLY COOLER AIR ALOFT...THE STRONGER STORMS THIS
AFTERNOON/EARLY EVENING COULD PRODUCE HEAVY DOWNPOURS...EXCESSIVE
LIGHTNING...BRIEF STRONG WIND GUSTS...AND LOCALIZED SMALL HAIL.
CONVECTION TO WIND DOWN SHORTLY AFTER SUNDOWN. MIN TEMPS WITHIN A FEW
DEGREES OF NORMAL.

UPPER LEVEL TO SFC RIDGE AXIS TO HOLD OVER THE DEEP SOUTH...JUST N OF
THE AREA. EASTERLY FLOW CONTINUES TO BRING UPPER LEVEL DRY AIR OFF
THE W ATLANTIC NEXT FEW DAYS WHILE LOW LEVELS REMAIN SATURATED. WILL
KEEP LOW END SCT POPS MOST AREAS TO AGAIN FAVOR BEST COVERAGE COASTAL
AREAS...SOME STORMS MAY BE STRONG WITH DRY SLOT ALOFT. LESS CLOUD
COVER FOR MAX TEMPS WARMING 2+ DEGREES ABOVE CLIMO.

.LONG TERM (THU NIGHT-TUE)...DEEP LAYER RIDGING CONTINUES NORTH
OF THE AREA...WITH AN AXIS ALONG OR JUST NORTH OF THE FL/GA STATE
LINE...THROUGH FRI AS A WEAK INVERTED TROUGH/TROPICAL WAVE PASSES
BY TO THE SOUTH. THE TROUGH/WAVES MOVES WEST OVER THE GULF AS THE
RIDGE AXIS SETTLES SOUTHWARD STARTING FRI. THE RIDGE SPENDS THE
WEEKEND ACROSS SOUTHERN FL AND THEN LIFTS NORTHWARD MON AND TUE...
ACROSS THE CENTRAL/NORTH CWFA. FLOW THROUGH OUT THE PERIOD LIGHT
WITH SEA BREEZES IN THE AFTERNOONS. SLIGHTLY DRIER AIR EARLY IN
THE PERIOD MOISTENS SOME THEREAFTER WITH POPS 40-50 FRI BECOMING
50 FOR SAT AND LATER AND FAVORING AFTERNOON AND EVENING. TEMPERATURES
UNIFORM DAY TO DAY AND CLOSE TO CLIMO.
&&

.MARINE...EASTERLY FLOW AROUND 10 KNOTS TO CONTINUE OVER THE WATERS
WITH A LATE AFTERNOON AND EVENING SEA BREEZE DEV EACH DAY. WITH HINT
OF BACKGROUND SWELL FROM EMILY ONGOING AND MODELS KEEP THIS THRU THU
NIGHT. WILL KEEP SEAS TO 2 TO 3 FOR COMBINED SEAS...MAINLY OFFSHORE
UNTIL FRI. OTHERWISE NO HIGHLIGHTS INTO THE WEEKEND.

&&

FIRE WEATHER...NO HIGHLIGHTS.

&&

.PRELIMINARY POINT TEMPS/POPS...
TPA 77 92 77 92 / 20 40 20 40
FMY 77 94 77 94 / 20 40 20 40
GIF 76 94 76 94 / 20 30 20 30
SRQ 76 92 76 92 / 20 40 20 40
BKV 74 93 74 93 / 20 40 20 30

&&

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

RD/RR
Hazardous weather outlook, Jul 19, 5:30 AM EDT, 12 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
530 AM EDT TUE JUL 19 2005

FLZ039-042-043-048>052-055>057-060>062-065-191400-
CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-
LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER-
530 AM EDT TUE JUL 19 2005

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

.DAY ONE...TODAY:
MOISTURE IN PLACE ACROSS THE REGION WILL COMBINE WITH DAYTIME
HEATING...THE SEA BREEZES AND OUTFLOW BOUNDARIES TO CAUSE SCATTERED
AFTERNOON AND EARLY EVENING SHOWERS AND THUNDERSTORMS.  THE BEST
CHANCE FOR RAIN WILL ONCE AGAIN BE ALONG THE COASTAL COUNTIES...
GENERALLY WEST OF INTERSTATE 75.  A FEW THUNDERSTORMS MAY BECOME
STRONG WITH HEAVY RAINFALL...FREQUENT LIGHTNING AND BRIEF GUSTY
WINDS.  THE LOCALLY HEAVY RAINFALL MAY RESULT IN SIGNIFICANT PONDING
OF WATER ON ROADWAYS...POOR VISIBILITY AND MINOR FLOODING OF LOW
LYING AND POOR DRAINAGE AREAS.  NEVER DRIVE THROUGH AREAS WHERE WATER
COVERS THE ROADWAY.

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.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY:
SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE
EXPECTED EACH DAY.  THE MAIN HAZARDS FROM THESE STORMS WILL
CONTINUE TO BE HEAVY RAINFALL...FREQUENT LIGHTNING AND GUSTY WINDS.

.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)

PRC

In the hours before

Special weather statement, Jul 19, 4:29 PM EDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
429 PM EDT TUE JUL 19 2005

FLZ050-192045-
PINELLAS-
429 PM EDT TUE JUL 19 2005

...FUNNEL CLOUDS ARE POSSIBLE IN SOUTHERN PINELLAS COUNTY...

AT 425 PM EDT...THE PUBLIC REPORTED A FUNNEL CLOUD ALONG 59TH AVENUE
SOUTH IN GULFPORT IN SOUTHERN PINELLAS COUNTY. THE FUNNEL CLOUD WAS
MOVING NORTH.

AT 429 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM...CAPABLE OF PRODUCING A FUNNEL CLOUD...5 MILES SOUTH OF
SAINT PETERSBURG...MOVING WEST AT 15 MPH.

THOUGH A TORNADO HAS NOT BEEN REPORTED...THIS STORM HAS THE POTENTIAL
TO PRODUCE MORE FUNNEL CLOUDS...AND A TORNADO. STAY TUNED FOR
POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 2759 8260 2776 8256 2782 8281 2762 8286

57
Special weather statement, Jul 19, 4:35 PM EDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
435 PM EDT TUE JUL 19 2005

FLZ062-065-192115-
CHARLOTTE-LEE-
435 PM EDT TUE JUL 19 2005

...STRONG THUNDERSTORMS WILL AFFECT CENTRAL AND WESTERN CHARLOTTE
AND LEE COUNTIES...

STRONG THUNDERSTORMS...MOVING WEST AT 10 MPH...WILL AFFECT TUCKERS
CORNER...BABCOCK RANCH...MORSE SHORES...FORT MYERS SHORES...NORTH
FORT MYERS...ESTERO...FORT MYERS BEACH...SOUTHWEST INTERNATIONAL
AIRPORT...AND BONITA SPRINGS...UNTIL 515 PM EDT. GUSTY WINDS UP TO
40 MPH WILL BE 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 REDUCE VISIBILITY TO NEAR ZERO AT TIMES. RUSH HOUR
MOTORISTS MAY WANT TO DELAY TRAVEL.

JCM
Special weather statement, Jul 19, 4:58 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
458 PM EDT TUE JUL 19 2005

FLZ050-192145-
PINELLAS-
458 PM EDT TUE JUL 19 2005

...STRONG THUNDERSTORMS WILL AFFECT SOUTHERN AND EASTERN PINELLAS
COUNTY...

STRONG THUNDERSTORMS...MOVING NORTHWEST AT 10 MPH...WILL AFFECT
TREASURE ISLAND...SAINT PETE BEACH...MADEIRA BEACH...SEMINOLE...
SAINT PETERSBURG AND LEALMAN...UNTIL 545 PM EDT. GUSTY WINDS UP TO
40 MPH WILL BE 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 REDUCE VISIBILITY TO NEAR ZERO AT TIMES. RUSH HOUR
MOTORISTS MAY WANT TO DELAY TRAVEL.

JCM
Special weather statement, Jul 19, 4:58 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
458 PM EDT TUE JUL 19 2005

FLZ050-192145-
PINELLAS-
458 PM EDT TUE JUL 19 2005

...STRONG THUNDERSTORMS WILL AFFECT SOUTHERN AND WESTERN PINELLAS
COUNTY...

STRONG THUNDERSTORMS...MOVING NORTHWEST AT 10 MPH...WILL AFFECT
TREASURE ISLAND...SAINT PETE BEACH...MADEIRA BEACH...SEMINOLE...
SAINT PETERSBURG AND LEALMAN...UNTIL 545 PM EDT. GUSTY WINDS UP TO
40 MPH WILL BE 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 REDUCE VISIBILITY TO NEAR ZERO AT TIMES. RUSH HOUR
MOTORISTS MAY WANT TO DELAY TRAVEL.

JCM
Special weather statement, Jul 19, 5:31 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
531 PM EDT TUE JUL 19 2005

FLZ050-192215-
PINELLAS-
531 PM EDT TUE JUL 19 2005

...STRONG THUNDERSTORMS WILL AFFECT CENTRAL AND NORTHERN PINELLAS
COUNTY...

STRONG THUNDERSTORMS...MOVING NORTHWEST AT 10 MPH...WILL AFFECT
SEMINOLE...PINELLAS PARK...LARGO...BELLEAIR...INDIAN ROCK BEACH...
BASKIN...BELLEAIRE SHORE...AND HIGHPOINT...UNTIL 615 PM EDT. GUSTY
WINDS UP TO 40 MPH WILL BE POSSIBLE. FREQUENT CLOUD TO GROUND
LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW
SPOT...AWAY FROM TALL OBJECTS. THIS STORM HAS PRODUCE PEA SIZE HAIL
IN LARGO...REDINGTON BEACH...AND SEMINOLE. ADDITIONAL PEA TO DIME
SIZE HAIL WILL BE POSSIBLE WITH THIS STORM. TORRENTIAL RAINS WILL
REDUCE VISIBILITY TO NEAR ZERO AT TIMES. RUSH HOUR MOTORISTS MAY
WANT TO DELAY TRAVEL EARLYT THIS EVENING.

JCM
Special weather statement, Jul 19, 5:31 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
531 PM EDT TUE JUL 19 2005

FLZ050-192215-
PINELLAS-
531 PM EDT TUE JUL 19 2005

...STRONG THUNDERSTORMS WILL AFFECT CENTRAL AND NORTHERN PINELLAS
COUNTY...

STRONG THUNDERSTORMS...MOVING NORTHWEST AT 10 MPH...WILL AFFECT
SEMINOLE...CLEARWATER...PINELLAS PARK...LARGO...BELLEAIR...INDIAN
ROCK BEACH...BASKIN...BELLEAIRE SHORE...AND HIGHPOINT...UNTIL 615 PM
EDT. GUSTY WINDS UP TO 40 MPH WILL BE POSSIBLE. FREQUENT CLOUD TO
GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A
LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM HAS PRODUCE PEA SIZE
HAIL IN LARGO...REDINGTON BEACH...AND SEMINOLE. ADDITIONAL PEA TO
DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM. TORRENTIAL RAINS
WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. RUSH HOUR MOTORISTS
MAY WANT TO DELAY TRAVEL EARLYT THIS EVENING.

JCM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 3:58 PM EDTSpecial Weather StatementTBWHillsborough17 min
Jul 19, 4:29 PM EDTSpecial Weather StatementTBWPinellas16 min
Jul 19, 5:10 PM EDTSpecial Marine WarningTBW50 min

Nearby

Severe Thunderstorm Warnings in Florida, 2005Every severe thunderstorm warning in 2005

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.