Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 1, NWS Tampa Bay, FL

February 3, 2006Pasco County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 3, 2006, 7:57 AM EST for Pasco County, Florida. It was in force for 33 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
Feb 3, 2006, 7:57 AM EST (12:57 UTC)
Expired
Feb 3, 2006, 8:30 AM EST
In force
33 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Pasco County, FL

The radar

The Tampa radar (KTBW), 67 km from the middle of the area, began a volume at 12:59 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.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 1.0 hours before the alert went out and 67 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 2006-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1253 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 2006-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 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
1253 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
1.8
Supercell composite
8.0

Open this sounding in Storm Lab

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 3, 2:07 AM EST, 5 hours 50 minutes earlier.

Area forecast discussion, Feb 3, 2:07 AM EST, 5 hours 50 minutes before
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Hazardous weather outlook, Feb 3, 5:05 AM EST, 2 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
505 AM EST FRI FEB 3 2006

FLZ039-042-043-048-049-031615-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-
505 AM EST FRI FEB 3 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR LEVY...CITRUS...
SUMTER...HERNANDO...AND PASCO COUNTIES.

.DAY ONE...TODAY

A COUPLE OF UPPER LEVEL DISTURBANCES WILL COMBINE WITH WARM AND
MOIST SOUTHERLY FLOW TO PRODUCE LIKELY CHANCES FOR RAIN WITH A
GOOD CHANCE FOR SOME THUNDERSTORMS. A FEW OF THE STORMS MAY BE
STRONG TO SEVERE WITH LARGE HAIL...DAMAGING WINDS...AND AN
ISOLATED TORNADO ALL POSSIBLE. ALSO...HEAVY RAINS OVERNIGHT WILL
MEAN THAT ADDITIONAL HEAVY RAINS COULD BRING SOME INLAND FLOODING.
MOTORISTS SHOULD STAY ALERT FOR AREAS OF PONDING ON ROADWAYS AS
YOU CANNOT TELL IF THE ROADWAY UNDERNEATH HAS COLLAPSED.

FOR MARINERS...EXPECT WINDS TO PICK UP TO SMALL CRAFT EXERCISE
CAUTION CRITERIA LATER THIS AFTERNOON AND THEN ADVISORY CRITERIA
OVERNIGHT AS A STRONG COLD FRONT PUSHES INTO OUR REGION. MARINERS
MAY WANT TO POSTPONE TRAVEL UNTIL CONDITIONS IMPROVE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SHOWERS ARE LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS EARLY
SATURDAY MORNING...HOWEVER SEVERE WEATHER IS NOT EXPECTED AT THIS
TIME.

AFTER THE FRONT MOVES THROUGH SATURDAY MORNING...BELOW NORMAL
TEMPERATURES ARE EXPECTED FOR MOST OF THE REST OF THE PERIOD.
READINGS MAY HIT THE FREEZING MARK MONDAY MORNING...BUT SHOULD
REMAIN ABOVE FREEZING FOR THE REST OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY LATER TODAY.

FLZ050>052-055>057-060-061-031615-
PINELLAS-HILLSBOROUGH-POLK-MANATEE-HARDEE-HIGHLANDS-SARASOTA-
DE SOTO-
505 AM EST FRI FEB 3 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PINELLAS...HILLSBOROUGH...
POLK...MANATEE...HARDEE...HIGHLANDS...SARASOTA...AND DESOTO COUNTIES.

.DAY ONE...TODAY AND TONIGHT

A COUPLE OF UPPER LEVEL DISTURBANCES WILL COMBINE WITH WARM AND
MOIST SOUTHERLY FLOW TO PRODUCE LIKELY CHANCES FOR RAIN WITH A
GOOD CHANCE FOR SOME THUNDERSTORMS. A FEW OF THE STORMS MAY BE
STRONG WITH DAMAGING WINDS AND AN ISOLATED TORNADO POSSIBLE.

FOR MARINERS...EXPECT WINDS AT SMALL CRAFT EXERCISE CAUTION
CRITERIA TODAY AND THEN ADVISORY CRITERIA OVERNIGHT AS A STRONG
COLD FRONT PUSHES INTO OUR REGION. MARINERS MAY WANT TO POSTPONE
TRAVEL UNTIL CONDITIONS IMPROVE.

THE STRONGER WINDS OVER THE WATERS MEANS THAT THERE IS A MODERATE
RISK FOR RIP CURRENTS AT AREA BEACHES TODAY. THOSE SWIMMERS WHO
WANT TO VENTURE INTO THE WATERS TODAY ARE URGED TO SWIM AT
LIFEGUARDED BEACHES AND TO HEED THE ADVICE OF THE LOCAL BEACH PATROL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SHOWERS ARE LIKELY WITH A CHANCE OF THUNDERSTORMS EARLY SATURDAY
MORNING...HOWEVER SEVERE WEATHER IS NOT EXPECTED AT THIS TIME.

AFTER THE FRONT MOVES THROUGH SATURDAY MORNING...BELOW NORMAL
TEMPERATURES ARE EXPECTED FOR MOST OF THE REST OF THE PERIOD.
HOWEVER...AT THIS TIME...READINGS ARE EXPECTED TO REMAIN ABOVE
FREEZING THROUGH THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY LATER TODAY.

FLZ062-065-031615-
CHARLOTTE-LEE-
505 AM EST FRI FEB 3 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CHARLOTTE AND LEE COUNTIES.

.DAY ONE...TODAY

A COUPLE OF UPPER LEVEL DISTURBANCES WILL COMBINE WITH WARM AND
MOIST SOUTHERLY FLOW TO PRODUCE A GOOD CHANCE FOR RAIN OVER THE
REGION TODAY.

FOR MARINERS...EXPECT WINDS AT SMALL CRAFT EXERCISE CAUTION
CRITERIA TODAY AND THEN ADVISORY CRITERIA OVERNIGHT AS A STRONG
COLD FRONT PUSHES INTO OUR REGION. MARINERS MAY WANT TO POSTPONE
TRAVEL UNTIL CONDITIONS IMPROVE.

THE STRONGER WINDS OVER THE WATERS MEANS THAT THERE IS A MODERATE
RISK FOR RIP CURRENTS AT AREA BEACHES TODAY. THOSE SWIMMERS WHO
WANT TO VENTURE INTO THE WATERS TODAY ARE URGED TO SWIM AT
LIFEGUARDED BEACHES AND TO HEED THE ADVICE OF THE LOCAL BEACH PATROL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SHOWERS ARE LIKELY WITH A CHANCE OF THUNDERSTORMS SATURDAY
MORNING. A SQUALL LINE MAY DEVELOP OVER THE REGION WITH DAMAGING
WINDS...HAIL...AND ISOLATED TORNADOES ALONG AND IN ANY INDIVIDUAL
THUNDERSTORMS THAT DEVELOP AHEAD OF THE MAIN LINE.

AFTER THE FRONT MOVES THROUGH SATURDAY AFTERNOON...BELOW NORMAL
TEMPERATURES ARE EXPECTED FOR MOST OF THE REST OF THE PERIOD.
HOWEVER...AT THIS TIME...READINGS ARE EXPECTED TO REMAIN ABOVE
FREEZING THROUGH THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY TODAY.

In the hours before

Special weather statement, Feb 3, 2:18 AM EST, 5 hours 39 minutes before
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Special weather statement, Feb 3, 2:31 AM EST, 5 hours 26 minutes before
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Special weather statement, Feb 3, 2:50 AM EST, 5 hours 7 minutes before
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Special weather statement, Feb 3, 5:50 AM EST, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
550 AM EST FRI FEB 3 2006

FLZ048-031300-
HERNANDO-
INCLUDING THE CITIES OF...BROOKSVILLE...SPRING HILL
550 AM EST FRI FEB 3 2006

...HEAVY RAINS SAGGING INTO HERNANDO COUNTY FOR MORNING TRAVELERS...

A PERSISTENT BAND OF THUNDERSTORMS WHICH HAS DROPPED AN ESTIMATED
2 TO 4 INCHES OVER WESTERN CITRUS COUNTY SINCE AROUND 330 AM IS
GRADUALLY SAGGING SOUTH...AND WILL BRING LOCALLY TORRENTIAL RAINS
TO SPRING HILL AND BROOKSVILLE BETWEEN 6 AND 630. THE RAINS WILL
CONTINUE THROUGH MID MORNING...AND MAY PRODUCE POCKETS OF MINOR
FLOODING IN LOW LYING AND POOR DRAINAGE LOCATIONS.

VISIBILITY WILL BE REDUCED BELOW A MILE...NEAR ZERO IN HEAVIER
RAINS. MOTORISTS...ESPECIALLY PARENTS DROPPING CHILDREN AT SCHOOL
OR DAY CARE...SHOULD REMAIN ALERT TO DETERIORATING CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR
UPDATES...INCLUDING POSSIBLE URBAN FLOOD ADVISORIES LATER THIS MORNING.

BSG
Special weather statement, Feb 3, 7:47 AM EST, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
747 AM EST FRI FEB 3 2006

FLZ049>051-031415-
PINELLAS-HILLSBOROUGH-PASCO-
747 AM EST FRI FEB 3 2006

...TORRENTIAL RAINS WILL AFFECT THE TAMPA BAY REGION...

A LINE OF STRONG THUNDERSTORMS WITH GUSTY WINDS IS MOVING EAST AT 20
MPH...AND WILL AFFECT THE TAMPA BAY REGION DURING THE MORNING RUSH
HOUR. IN PARTICULAR...MUCH OF PASCO AND PINELLAS COUNTY WILL SEE
HEAVY RAIN AND STRONG WINDS BETWEEN 8 AND 9 AM EST. THIS LINE WILL
ALSO AFFECT HILLSBOROUGH COUNTY. 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. THIS STORM
WILL PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL REDUCE VISIBILITY
TO NEAR ZERO AT TIMES. MOTORISTS MAY WANT TO DELAY TRAVEL.

NP

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 2:02 AM ESTSpecial Marine WarningTBW43 min
Feb 3, 7:47 AM ESTSpecial Marine WarningTBW88 min
Feb 3, 10:57 AM ESTSpecial Marine WarningTBW48 min
Feb 3, 11:19 AM ESTFlash Flood WarningTBWPinellas86 min
Feb 3, 12:19 PM ESTFlash Flood WarningTBWHillsborough116 min
Feb 3, 12:26 PM ESTSpecial Marine WarningTBW49 min
Feb 3, 12:42 PM ESTFlash Flood WarningTBWPinellas2 hr
Feb 3, 1:01 PM ESTSpecial Marine WarningTBW59 min
Feb 3, 2:03 PM ESTSpecial Marine WarningTBW57 min
Feb 3, 2:15 PM ESTFlash Flood WarningTBWHillsborough105 min
Feb 3, 2:45 PM ESTFlash Flood WarningTBWPinellas2 hr
Feb 3, 4:18 PM ESTSpecial Marine WarningTBW42 min
Feb 3, 4:29 PM ESTSevere Thunderstorm WarningTBWSumter24 min
Feb 3, 5:57 PM ESTSevere Thunderstorm WarningTBWLevy24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.