Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 13, NWS Tampa Bay, FL

May 26, 2006Hardee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at May 26, 2006, 2:35 PM EDT for Hardee County, Florida. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 26, 2006, 2:35 PM EDT (18:35 UTC)
Expired
May 26, 2006, 3:15 PM EDT
In force
40 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Hardee County, FL

The radar

The Tampa radar (KTBW), 45 km from the middle of the area, began a volume at 18:38 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.

What was reported inside it

TimeReportWhereRemark
May 26, 3:15 PM EDTHAIL 0.758 Wsw Bowling Green, FL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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, 6.6 hours before the alert went out and 45 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 2006-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 454 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 2006-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
454 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
873 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
56 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 261836
SVRTBW
FLC049-261915-
/O.NEW.KTBW.SV.W.0013.060526T1835Z-060526T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
235 PM EDT FRI MAY 26 2006

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN HARDEE COUNTY IN FLORIDA.

* UNTIL 315 PM EDT

* AT 235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER
  NORTHWESTERN HARDEE COUNTY...MOVING EAST AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  FORT GREEN.

SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND 
HAIL THE SIZE OF PENNIES OR LARGER. QUARTER SIZE HAIL IS LIKELY WITH 
THIS STORM. MOVE INDOORS IMMEDIATELY.

&&

LAT...LON 2764 8205 2753 8205 2754 8182 2764 8182

$$

17
2 follow-up statements
000 
WWUS52 KTBW 261854
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
250 PM EDT FRI MAY 26 2006

FLC049-261915-
/O.CON.KTBW.SV.W.0013.000000T0000Z-060526T1915Z/
HARDEE-
250 PM EDT FRI MAY 26 2006

...A SEVERE THUNDERSTORM WARNING CONTINUES FOR NORTHWESTERN HARDEE
COUNTY UNTIL 315 PM EDT...

AT 250 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 12 MILES WEST OF WAUCHULA...MOVING EAST AT 5 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT...
  FORT GREEN.
  
THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING...
  PENNY SIZE HAIL.
  60 MPH WIND GUSTS.
  EXCESSIVE AND DEADLY CLOUD-TO-GROUND LIGHTNING.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF 
YOUR HOME OR BUSINESS. STAY AWAY FROM WINDOWS. 

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN RUSKIN. OR YOU CAN
ALSO CALL THE NATIONAL WEATHER SERVICE IN RUSKIN DIRECTLY AT
813.645.2323 TO REPORT SEVERE WEATHER.

&&

LAT...LON 2764 8205 2753 8205 2754 8182 2764 8182

$$

17
000 
WWUS52 KTBW 261911
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
311 PM EDT FRI MAY 26 2006

FLC049-261921-
/O.EXP.KTBW.SV.W.0013.000000T0000Z-060526T1915Z/
HARDEE-
311 PM EDT FRI MAY 26 2006

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HARDEE COUNTY 
WILL BE ALLOWED TO EXPIRE AT 315 PM EDT...

AT 311 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE
THUNDERSTORM HAD WEAKENED AND WAS NO LONGER SEVERE...THUS THE WARNING
HAS BEEN ALLOWED TO EXPIRE.

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

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER
INFORMATION.

&&

LAT...LON 2764 8205 2753 8205 2754 8182 2764 8182

$$

17

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 May 26, 1:31 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, May 26, 1:31 PM EDT, 1 hour 4 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
131 PM EDT FRI MAY 26 2006

.SHORT TERM (TONIGHT-SUN)...SUB-TROPICAL JET OVER THE CENTRAL
GULF AREA WILL KEEP CENTRAL AND SOUTHERN FLORIDA UNDER SIGNIFICANT
CLOUD COVER TONIGHT. SHOWER ACTIVITY WILL DECREASE AFTER SUNSET
BUT SOME WEAK IMPULSES RIDING ALONG THE JET MAY BRING AN ISOLATED
SHOWER OR TWO OVERNIGHT...ESPECIALLY OVER THE SOUTHERN AND
INTERIOR COUNTIES.

THE UPPER LEVEL JET WILL FURTHER WEAKEN AND MIGRATE TO THE SOUTHEAST
WITH LATEST GFS/ETA SHOWING MODERATE UPPER LEVEL HIGH PRESSURE
DEVELOPING OVER THE WESTERN ATLANTIC AND SLIDING INTO THE AREA BY
SATURDAY. ON SUNDAY BROAD RIDGING AT THE SURFACE ...ALONG WITH A
DRIER AIRMASS ALOFT...WILL DECREASE CHANCES OF RAIN TO 30 PERCENT
OVER THE SOUTHERN HALF OF THE CWA AND 20 PERCENT ELSEWHERE. BUT
LATEST X-SECT ANALYSIS SHOW THAT THERE WILL BE ENOUGH RESIDUAL MID
AND LOW LEVEL MOISTURE WHICH COULD COMBINE WITH AFTERNOON SEA
BREEZES TO BRING SOME SHOWERS AND MAYBE AN ISOLATED THUNDERSTORM
THROUGH THE EARLY EVENING HOURS.

AS THE HIGH PRESSURE CELL OVER THE ATLANTIC BECOMES BROADER AND
STRONGER THE SURFACE RIDGE OVER FLORIDA WILL ALSO STRENGTHEN WITH
ITS AXIS STRETCHING OVER THE SOUTHERN HALF OF THE STATE. THIS WILL
KEEP MOSTLY SOUTHWESTERLY FLOW OVER THE AREA THROUGH THE FORECAST
PERIOD. THIS ATMOSPHERIC PATTERN WILL HELP IN KEEPING TEMPERATURES
ABOVE NORMALS THROUGH THE FORECAST PERIOD.

&&

.LONG TERM (SUN NIGHT-FRI)...MODEL GUIDANCE IN GENERAL AGREEMENT FOR
SUN NIGHT WITH AN UPPER LOW OVER THE WRN ATLANTIC OFF THE CAROLINA
COAST AND A SFC INVERTED TROF OFF THE E COAST OF FL. THE UPPER LOW
WILL SHIFT SW TOWARDS A POSITION NORTH OF THE BAHAMAS MON
NIGHT...WHEREAS THE SFC TROF AMPLIFIES. UNFORTUNATELY FOR THOSE
EXPECTING THE BEGINNING OF THE RAINY SEASON...THESE FEATURES WILL
MEAN DRY AIR FILTERING BACK INTO THE CWA FROM THE NORTH. MOST MODELS
INDICATE THIS LOW WILL MAINTAIN ITS POSITION OFF THE E COAST OF FL
THRU WED NIGHT. AFTER THAT THE MODELS SPLIT...WITH THE ECMWF AND
DGEX INDICATING CONTINUED SLOW MOVEMENT AS A BLOCKING PATTERN SETS
UP OVER THE E CAST... WHEREAS THE GFS SHIFTS THE LOW NE AHEAD OF THE
NEXT TROF COMING DOWN LATE IN THE WEEK.

BECAUSE OF THE DRIER FLOW ALOFT...RAIN CHANCES FOR THE ENTIRE PERIOD
WILL BE 20 PCT OR LESS. ONLY MADE SOME MINOR TWEAKS TO POPS TO
ACCOUNT FOR CHANCE THAT UPPER LOW WILL DRIFT OVER THE STATE AS THE
DGEX SUGGESTS. OTHERWISE...REDUCED SKY COVER WILL TEMPS AROUND
NORMAL TO POSSIBLY A COUPLE OF DEGREES ABOVE.

&&

.MARINE...CURRENT SURFACE RIDGE OF HIGH PRESSURE WILL CONTINUE OVER
THE WATERS AND SLIDE FURTHER SOUTH ONLY TO BE REINFORCED BY STRONGER
HIGH PRESSURE SLIDING INTO THE COASTAL WATERS FROM THE NORTHEAST.
WINDS AND SEAS ARE EXPECTED TO REMAIN BELOW HIGHLIGHT CRITERIA. THE
ONLY EXCEPTION WILL BE DURING THUNDERSTORM ACTIVITY WHEN MARINERS
MAY EXPERIENCE BRIEF PERIODS OF INCREASING WINDS AND DETERIORATING
SEAS IN THE VICINITY OF THE STORMS.

&&

.AVIATION...GENERALLY VFR CONDITIONS THIS AFTN EXCEPT FOR AROUND SCT
TSTMS THAT DEVELOP. WEAK WRLY FLOW ALOFT WILL MEAN THE STORMS WILL
PUSH INLAND BY LATE AFTN. ONLY THING TO WATCH FOR IS ANY
BACKBUILDING THAT OCCURS AS OUTFLOW BOUNDARIES COME OUT OF THE STORMS.
BY LATER THIS EVENING AREA WILL CLEAR OUT. WILL HAVE TO WATCH FOR
PATCHY FOG DEVELOPING AT DAYBREAK SATURDAY IN AREAS THAT GET RAIN
TODAY...BUT TOO EARLY TO MENTION IN TAFS ATTM.

&&

.FIRE WEATHER...NO CONCERNS REGARDING FIRE WEATHER HAZARDS POTENTIAL
TODAY OR TOMORROW AS LOW LEVEL MOISTURE SHOULD KEEP DURATIONS OF
CRITICAL RELATIVE HUMIDITY VALUES TO LESS THAN 4 HOURS EACH
AFTERNOON THROUGH THE FORECAST PERIOD. BUT THIS SCENARIO WILL CHANGE
BY THE MIDDLE OF THE UPCOMING WEEK WHEN A DRIER PATTERN IS EXPECTED.

&&

.PRELIMINARY POINT TEMPS/POPS...
TPA  71  89  74  91 /  10  20  10  20
FMY  71  89  72  92 /  20  30  10  30
GIF  71  91  71  92 /  20  30  10  20
SRQ  71  86  72  89 /  10  20  10  20
BKV  66  91  66  90 /  10  20  10  20
SPG  74  87  75  89 /  10  20  10  20

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GULF WATERS...NONE.
&&

SHORT TERM/MARINE/FIRE WX...REYNES
LONG TERM/AVIATION...SHARP
Hazardous weather outlook, May 26, 4:42 AM EDT, 9 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
442 AM EDT FRI MAY 26 2006

FLZ039-042-043-048>052-055>057-060>062-065-261445-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
442 AM EDT FRI MAY 26 2006

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TO FORM EARLY THIS
AFTERNOON...MAINLY ALONG THE SEA BREEZE BOUNDARY...AND PERSIST
INTO THE EARLY EVENING HOURS OVER INLAND AREAS. THE HIGHEST CHANCES
OF STORMS WILL BE FROM POLK COUNTY SOUTH TO LEE COUNTY. THE MAIN
HAZARDS WITH THE STRONGER STORMS WILL BE OCCASIONAL LIGHTNING AND
GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

FOR SATURDAY THROUGH SUNDAY...ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS ARE AGAIN EXPECTED EACH AFTERNOON AS MOISTURE AND
HEATING COMBINE WITH THE SEA BREEZE. OCCASIONAL LIGHTNING AND
GUSTY WINDS WILL CONTINUE TO BE THE MAIN HAZARDS WITH THE STRONGER
STORMS.

FOR MONDAY THROUGH THURSDAY...ISOLATED THUNDERSTORMS ARE EXPECTED
IN THE AFTERNOONS AND EARLY EVENINGS...MAINLY ACROSS THE SOUTH OR
INTERIOR.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, May 26, 1:59 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
159 PM EDT FRI MAY 26 2006

FLZ055-056-261830-
MANATEE-HARDEE-
159 PM EDT FRI MAY 26 2006

...STRONG THUNDERSTORM WILL AFFECT EASTERN MANATEE AND WESTERN HARDEE
COUNTIES...

A STRONG THUNDERSTORM...MOVING EAST NORTHEAST AT 10 MPH...WILL AFFECT
MYAKKA HEAD AND ONA...UNTIL 230 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. HAIL UP
TO ONE HALF INCH IN DIAMETER IS EXPECTED.

RJS
Special weather statement, May 26, 2:27 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
227 PM EDT FRI MAY 26 2006

FLZ055-056-061-261930-
MANATEE-DE SOTO-HARDEE-
227 PM EDT FRI MAY 26 2006

...STRONG THUNDERSTORMS WILL AFFECT HARDEE AND EASTERN MANATEE
COUNTIES...

THUNDERSTORMS MOVING EAST AT 10 MPH...WILL AFFECT MYAKKA HEAD...
LILY...ONA...WAUCHULA AND ZOLFO SPRINGS...UNTIL 330 PM EDT. GUSTY
WINDS 40 TO 50 MPH MAY CAUSE LOOSE OBJECTS TO BLOW AROUND. MINOR
DAMAGE TO TREE LIMBS AND WIRES IS POSSIBLE. EXCESSIVE CLOUD TO
GROUND LIGHTNING IS EXPECTED IF OUTSIDE...CROUCH DOWN IN A LOW
SPOT...AWAY FROM TALL OBJECTS. IF INDOORS...REFRAIN FROM USING
ELECTRICAL APPLIANCES. HAIL UP TO ONE HALF INCH IN DIAMETER IS
EXPECTED. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON
ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS. MOTORISTS ON
HIGHWAY 64...HIGHWAY 17...AND HIGHWAY 66 IN THESE COUNTIES SHOULD
PREPARE FOR DANGEROUS DRIVING CONDITIONS DUE TO GUSTY WINDS...POOR
VISIBILITY...AND PONDING WATER...ALL DUE TO THESE THUNDERSTORMS.
SLOW DOWN AND ALLOW EXTRA DISTANCE BETWEEN VEHICLES.

NP

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 4:29 PM EDTSevere Thunderstorm WarningTBWPolk29 min

Nearby

Severe Thunderstorm Warnings in Florida, 2006Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.