Alert archive / Florida / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 32, NWS Tampa Bay, FL

May 31, 2005Pasco County, Pinellas County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at May 31, 2005, 10:36 PM EDT for Pasco County, Pinellas County, Florida. It was in force for 39 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
May 31, 2005, 10:36 PM EDT (02:36 UTC)
Expired
May 31, 2005, 11:15 PM EDT
In force
39 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

Counties Pasco County, FL, Pinellas County, FL

The radar

The Tampa radar (KTBW), 48 km from the middle of the area, began a volume at 02:36 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 00:00Z, 2.6 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 00:00Z on 2005-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1310 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 00:00Z on 2005-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 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
1310 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

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 May 31, 8:25 PM EDT, 2 hours 11 minutes earlier.

Area forecast discussion, May 31, 8:25 PM EDT, 2 hours 11 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
825 PM EDT TUE MAY 31 2005

.DISCUSSION...TEMPS MADE A NICE RECOVERY AFTER THE MORNING RAIN...AND
THE SUBSEQUENT CIRRUS DISSIPATION BY EARLY AFTN. HIGHS GENERALLY IN
THE UPPER 80S ALONG THE CENTRAL AND SRN COASTLINE...AND IN THE MID
80S ELSEWHERE. ATMOSPHERE CONTINUES TO BE JUICED...DEWPOINTS IN THE
LOWER 70S...AND UNSTABLE AS INDICATED BY BOTH THE GOES SOUNDER AND
THE 00Z TBW SOUNDING. ATTIM MOST WIDESPREAD ACTIVITY...THOUGH
MAINLY SHRA...IS OVER THE NRN COUNTIES. ON CELL HAS STOOD OUT WEST
OF BAYPORT...AND HAVE SMW ON THIS ONE. ANOTHER SET OF TSTMS IS
FORMING OVER THE SRN COUNTIES IN THE WAKE OF AN OUTFLOW BNDY
FORMED BY THE STRONG CELL NOW OVER WRN LAKE OKEECHOBEE. GIVEN
WIDESPREAD INSTABILITY...WILL BUMP POPS UP OVER THE SOUTH TO MATCH
CENTRAL ZONES.

AM CONCERNED ABOUT POTENTIAL FOR SEVERE WX AS NEXT ROUND OF TSTMS
MOVES IN OVERNIGHT. SFC WINDS ARE FORECAST TO BE FROM THE SSE...
THEN THE WINDS TURN SWRLY. GFS HAS A 50-60 KT 850MB JET OVER THE
EXTREME NE GULF BY 12Z TOMORROW. IF THESE CONDITIONS DEVELOP...WILL
LIKELY SEE SOME SUPERCELLS DEVELOP...WITH DAMAGING WINDS AND ISOLD
TORNADOES A POSSIBILITY...WITH THE STRONGEST THREAT BEING UP NORTH...
AND OVER THE TAMPA BAY AREA. CURRENT SPC DAY ONE OUTLOOK HAS THREAT
ALL ALONG THE GULF COAST...AND THE SVR STORM THAT DEVELOPED IN THE
EVERGLADES THIS EVENING INDICATES THE GENERAL INSTABILITY OVER THE
FA. REFER TO THE SPECIAL WX STATEMENT ISSUED BY THIS OFFICE EARLIER
THIS AFTN...AS WELL AS UPDATES FROM THE SPC FOR THE POTENTIAL THREAT
FOR OUR AREA AND ANY UPDATES ON SEVERE WX THREAT OVERNIGHT. WILL
INCLUDE WORDING FOR STRONGER STORMS IN UPDATE LATER THIS EVENING.

&&

.MARINE...WINDS AT BUOY 42036 NOT AS HIGH AS FORECAST AT THIS
POINT...BUT SEAS ARE AROUND 4 TO 5 FT. FOR BUOY 42003...IMMEDIATELY
BEHIND A LINE OF TSTMS IN THE ERN GULF...WINDS HAVE GUSTED TO 40 KTS
WITH SEAS UP TO 8 FT. PREFER TO KEEP SCEC UP MAINLY FOR WAVE HEIGHTS
AND FOR POSSIBILITY OF HIGHER WINDS AND SEAS IN AND AROUND TSTMS.

FOR TOMORROW...STILL EXPECTING WINDS NEAR ADVISORY CRITERIA...
ESPECIALLY OVER THE CENTRAL AND NORTHERN WATERS. WILL HEADLINE WITH
SMALL CRAFT ADVISORY POSSIBLE WEDNESDAY.

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
  SMALL CRAFT EXERCISE CAUTION ALL WATERS.

&&

RJS
Hazardous weather outlook, May 31, 4:39 AM EDT, 17 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
439 AM EDT TUE MAY 31 2005

FLZ039-042-043-048>052-055>057-060>062-065-311453-
CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-
LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER-
439 AM EDT TUE MAY 31 2005

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

.DAY ONE...TODAY:

AN UPPER LEVEL LOW OVER THE CENTRAL GULF OF MEXICO WILL MOVE INTO
THE SOUTHEASTERN U.S. TONIGHT. A LARGE AREA OF SHOWERS AND
THUNDERSTORMS OVER THE GULF WILL SPREAD OVER THE AREA EARLY THIS
MORNING.

THE PRIMARY THREAT WILL BE HEAVY RAIN BUT DRY CONDITIONS OVER THE
LAST THREE WEEKS WILL LIMIT THE THREAT TO MINOR FLOODING OF URBAN
AREAS AND SMALL STREAMS. THE BEST CHANCE FOR WIDESPREAD HEAVY RAIN
WILL BE NORTH OF BROOKSVILLE.

THERE IS A THREAT OF WATERSPOUTS AND BRIEF DOWNBURST WINDS ALONG THE
ENTIRE COAST UNTIL 7 AM. RAIN WILL PERSIST NORTH OF BROOKSVILLE FOR
MUCH OF THE DAY BUT AREAS TO THE SOUTH CAN EXPECT A SECOND ROUND OF
ACTIVITY THIS AFTERNOON. ONLY ISOLATED PULSE SEVERE STORMS WITH
BRIEF PERIODS OF PENNY SIZE HAIL AND GUSTY WINDS ARE POSSIBLE FOR
AREAS SOUTH OF INTERSTATE 4 THIS AFTERNOON.

GUSTY SOUTHWEST WINDS ALONG THE COAST WILL LEAD TO A LOW TO MODERATE
THREAT OF RIP CURRENTS. A RIP CURRENT IS A 10 TO 30 YARD WIDE
CHANNEL OF WATER THAT CAN PULL EVEN A STRONG SWIMMER INTO DEEPER
WATER.  IF CAUGHT IN THE SEAWARD PULL OF A RIP CURRENT...DO NOT
ATTEMPT TO MOVE DIRECTLY TOWARD SHORE. INSTEAD...MOVE SIDEWAYS
ACROSS THE RIP CURRENT UNTIL THE PULL EASES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY:

A TROUGH OF LOW PRESSURE WILL REMAIN ANCHORED IN THE SOUTHEASTERN
U.S. THROUGH THURSDAY.  THIS WILL LEAVE THE AREA IN A DEEP AND MOIST
SOUTHWEST FLOW ALOFT WITH AN ACTIVE STORM PATTERN. THE BEST CHANCE
OF SEVERE WEATHER WILL REMAIN NORTH OF THE AREA BUT ISOLATED PULSE
SEVERE STORMS ARE POSSIBLE. CONDITIONS IMPROVE FRIDAY AS A HIGH
PRESSURE
RIDGE OVER CUBA MOVES INTO CENTRAL FLORIDA.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THROUGHOUT THE DAY. BE ON THE
LOOKOUT FOR FLOODING AND BE SURE TO PHONE IN YOUR RAIN FALL AMOUNTS.

&&

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY:

NOAH

In the hours before

Special weather statement, May 31, 5:26 PM EDT, 5 hours 10 minutes before
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Special weather statement, May 31, 8:49 PM EDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
849 PM EDT TUE MAY 31 2005

FLZ042-010115-
CITRUS-
849 PM EDT TUE MAY 31 2005

...STRONG THUNDERSTORM RACING TOWARD THE CITRUS COUNTY COAST...
A THUNDERSTORM...MOVING NORTHEAST AT 25 MPH...WILL AFFECT
OZELLO...HOMOSASSA SPRINGS AND CRYSTAL RIVER...BY 915 PM EDT.  THE
STORM SHOULD MOVE ONSHORE AROUND 9 PM.  GUSTY WINDS 40 TO 50 MPH MAY
CAUSE LOOSE OBJECTS TO BLOW AROUND. MINOR DAMAGE TO TREE LIMBS AND
WIRES IS POSSIBLE. THE STORM HAS THE POTENTIAL TO PRODUCE A SHORT
LIVED SMALL TORNADO. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED.
IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL
OBJECTS.
&&
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR POSSIBLE
WARNINGS FOR THIS CELL BY 9 PM.

BSG
Special weather statement, May 31, 9:15 PM EDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
915 PM EDT TUE MAY 31 2005

FLZ042-010145-
CITRUS-
915 PM EDT TUE MAY 31 2005

...STRONG THUNDERSTORM MOVING ACROSS WESTERN CITRUS COUNTY...
A THUNDERSTORM...MOVING NORTHEAST AT 25 MPH...WILL AFFECT OZELLO AND
HOMOSASSA SPRINGS THROUGH 925 PM...AND CONTINUE TOWARD BEVERLY HILLS
AND INVERNESS BY 945 PM. 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.

BSG
Special weather statement, May 31, 9:45 PM EDT, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
945 PM EDT TUE MAY 31 2005

FLZ042-010200-
CITRUS-
945 PM EDT TUE MAY 31 2005

...STRONG THUNDERSTORM CONTINUING TO RAKE CITRUS COUNTY NOW HEADED
FOR THE WITHLACOOCHEE RIVER...
A THUNDERSTORM...MOVING EAST AT 25 MPH...WILL AFFECT INVERNESS AND
HERNANDO...UNTIL 1000 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.

BSG
Special weather statement, May 31, 10:00 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1000 PM EDT TUE MAY 31 2005

FLZ042-010245-
CITRUS-
1000 PM EDT TUE MAY 31 2005

...STRONG THUNDERSTORM CONTINUES TO CRANK NOW MOVING EAST OF HIGHWAY
41 PAST INVERNESS AND HERNANDO
A THUNDERSTORM...MOVING NORTHEAST AT 20 MPH...WILL AFFECT
INVERNESS...UNTIL 1045 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. TORRENTIAL RAINS
WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR
DRAINAGE AREAS.
&&
THE STORM SHOULD EXIT THE COUNTY BETWEEN 1015 AND 1025 PM.

BSG
Special weather statement, May 31, 10:00 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1000 PM EDT TUE MAY 31 2005

FLZ042-010245-
CITRUS-
1000 PM EDT TUE MAY 31 2005

...STRONG THUNDERSTORM CONTINUES TO CRANK NOW MOVING EAST OF HIGHWAY
41 PAST INVERNESS AND HERNANDO...
A THUNDERSTORM...MOVING NORTHEAST AT 20 MPH...WILL AFFECT
INVERNESS...UNTIL 1045 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. TORRENTIAL RAINS
WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR
DRAINAGE AREAS.
&&
THE STORM SHOULD EXIT THE COUNTY BETWEEN 1015 AND 1025 PM.

BSG

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:18 PM EDTSpecial Marine WarningTBW42 min
May 31, 10:16 PM EDTSpecial Marine WarningTBW59 min
Jun 1, 1:42 AM EDTTornado WarningTBWSarasota48 min
Jun 1, 2:53 AM EDTTornado WarningTBWHardee52 min
Jun 1, 3:54 AM EDTSpecial Marine WarningTBW66 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.