Alert archive / Florida / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 34, NWS Tampa Bay, FL

June 7, 2005Polk County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 7, 2005, 7:02 PM EDT for Polk 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 7, 2005, 7:02 PM EDT (23:02 UTC)
Expired
Jun 7, 2005, 7:45 PM EDT
In force
43 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Polk County, FL

The radar

The Melbourne radar (KMLB), 87 km from the middle of the area, began a volume at 23:02 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, 11.0 hours before the alert went out and 91 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 2005-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 771 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 2005-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
771 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
1118 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
-7 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 072305
SVRTBW
FLC105-072345-
/O.NEW.KTBW.SV.W.0034.050607T2302Z-050607T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
702 PM EDT TUE JUN 7 2005

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN AND CENTRAL POLK COUNTY IN FLORIDA.

* UNTIL 745 PM EDT

* AT 702 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...8 MILES
  NORTHEAST OF LAKE WALES...MOVING SOUTHWEST AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  LAKE WALES.

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.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. MOVE TO A PLACE OF SAFETY...AN INTERIOR ROOM IN THE LOWEST
FLOOR OF YOUR HOUSE OR BUSINESS.


&&

LAT...LON 2798 8136 2809 8152 2788 8177 2772 8156

$$

22
1 follow-up statement
000 
WWUS52 KTBW 072335
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
732 PM EDT TUE JUN 7 2005

FLC105-072345-
/O.CON.KTBW.SV.W.0034.000000T0000Z-050607T2345Z/
POLK-
732 PM EDT TUE JUN 7 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES FOR CENTRAL POLK COUNTY
UNTIL 745 PM EDT...

AT 732 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM OVER LAKE WALES AND NEARING WINTER 
HAVEN...MOVING SOUTHWEST AT 5 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT...
  LAKE WALES
  HIGHLAND PARK
  WINTER HAVEN.
  
THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING...
  PENNY SIZE HAIL.
  EXCESSIVE AND DEADLY CLOUD-TO-GROUND LIGHTNING.
  TORRENTIAL RAINFALL.

THIS IS A DANGEROUS STORM. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. MOVE TO A PLACE OF SAFETY...AN
INTERIOR ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS. AVOID
USING THE TELEPHONE OR OTHER ELECTRICAL EQUIPMENT WHILE LIGHTNING IS
IN THE AREA.

&&

LAT...LON 2798 8136 2809 8152 2788 8177 2772 8156

$$

22

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 7, 2:00 PM EDT, 5 hours 2 minutes earlier.

Area forecast discussion, Jun 7, 2:00 PM EDT, 5 hours 2 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
200 PM EDT TUE JUN 7 2005

.SHORT TERM (TONIGHT-THU)...SFC HI PRESSURE RIDGE AXIS TO REMAIN OVER
AND SLIDE NORTH WITHIN THE FA THRU THU. MODEL GUIDANCE FAIRLY UNIFORM
IN THIS SCENARIO...WITH MOST MODELS ALSO COMING INTO AGREEMENT ABOUT
A LOW PUSHING INTO THE NW CARIBBEAN BY THU. GFS IS THE STRONGEST...
BRINGING A 1000 MB LOW THRU THE YUCATAN CHANNEL BY THE END OF THE
PERIOD. NHC HAS MENTIONED SOME SLOW DEVELOPMENT POSSIBLE OVER THE
NEXT FEW DAYS. WILL GO WITH GENERAL LOW PRESSURE WELL SOUTHWEST OF
THE FA PROVIDING ENUF OF A PRESSURE GRADIENT TO SET UP A GOOD ERLY
FLOW. WIND SPEEDS SHUD BE HIGH ENUF TO PREVENT THE SEA BREEZE FROM
MAKING TO MUCH INLAND PENETRATION...ESPECIALLY OVER THE SRN FA.

NEXT CONCERN IS PRECIP. LIGHTNING CLIMO FOR WED DEPENDS ON RIDGE
AXIS BEING NORTH OR SOUTH OF TAMPA BAY. FOR THE FIRST CASE...THE BEST
CHANCES ARE ALONG THE I-75 CORRIDOR...WHEREAS THE LATTER CASE HAS A
GOOD CHANCE ALL OVER. SHUD THE LOW TAKE A WHILE TO DEVELOP...RIDGE
AXIS SHUD BE FURTHER SOUTH...SO WILL STICK WITH PREVIOUS FORECAST OF
A GOOD CHANCE ALL OVER. FOR THU...PATTERN WILL BE DISTURBED BECAUSE
OF THE LOW IN THE NW GULF...SO TSTM CLIMO NOT THE BEST TO FOLLOW.
WITH A GOOD ENUF ERLY FLOW...TSTMS WOULD BE PINNED CLOSER TO THE
COAST. HOWEVER...THE GFS BRINGS A SLUG OF MOISTURE ACROSS THE
STATE...WITH NMRS POPS IN THE AFTN. WILL KEEP AT HIGH END SCT POPS
AND SEE HOW THE SYSTEM PLAYS OUT.

.LONG TERM (THU NGT-MON)...COULD IT BE?  WELL...IF YOU BELIEVE THE
MODEL TRENDS THERE MAY VERY WELL BE A TROPICAL SYSTEM MOVING FROM
THE WESTERN CARIBBEAN THROUGH THE YUCATAN CHANNEL AND INTO THE
CENTRAL GULF.  THE GFS IS BOLDEST...NOW WITH A 999 MB CYCLONE
MOVING TOWARD THE CENTRAL GULF COAST BUT THE ETA/DGEX HAS A SYSTEM A
BIT FARTHER SOUTH WHILE THE CANADIAN IS SIMILAR...THOUGH WEAKER...
INTO THE CENTRAL GULF. THE NOGAPS HAS NOTHING...YET...BUT EXPECT
SOMETHING TO ARISE IN A COUPLE OF RUNS.

THE GOOD NEWS IS INCREASING RUN TO RUN CONSISTENCY...WHICH SUGGESTS A
SYSTEM AWAY FROM THE SUNCOAST.  THIS IS BACKED UP BY WATER VAPOR
IMAGES WHICH CONTINUE TO SHOW GOOD TROUGHING IN THE PACIFIC NORTHWEST
WHICH SHOULD FAVOR DEVELOPMENT OF THE FIRST TRUE BERMUDA HIGH OF THE
YOUNG SUMMER.  THE RIDGE DEVELOPS WELL TO THE NORTH WITH THE 588 DM
CONTOUR MOVING INTO NEW ENGLAND BY THURSDAY.  THE ONLY FLY IN THE
OINTMENT IS THE FACT THAT THE STRENGTHENING RIDGE HAS NOT DEVELOPED
YET...AND THIS WILL EVENTUAL DETERMINE WHERE...IF ANY...SYSTEM WILL
TRACK.

AS FAR AS THE SENSIBLE WEATHER...THURSDAY NIGHT THROUGH SATURDAY
ARE STILL UP IN THE AIR.  FOR NOW...WILL PLAY FOR STRENGTHENING
EASTERLY FLOW WHICH WILL WIPE OUT ANY SEA BREEZE CONVERGENCE.  THE
PLUME OF TROPICAL MOISTURE ON THE GFS MAY BE OVERDONE BUT CANT BE
IGNORED...SO HAVE PUSHED SLIGHTLY HIGHER POPS INTO THE MARINE
WATERS.  TYPICALLY...ANY THUNDERSTORMS THAT DEVELOP ARE SHORT-LIVED
WITH GUSTY WINDS AND TORRENTIAL RAINS...SO SEVERE THREAT LOOKS
LIMITED.

THE SYSTEM SHOULD QUICKLY SCOOT AROUND THE WESTERN PERIPHERY OF THE
RIDGE BY THE END OF THE WEEKEND...AND SOME DRY AIR MAY ACTUALLY
PUSH WEST ACROSS THE PENINSULA ASSOCIATED WITH THE BERMUDA HIGH.
FOR NOW...HAVE JUST BECOME A LITTLE MORE OPTIMISTIC IN SKY COVER AND
PRECIPITATION COVERAGE (LESS) SUNDAY THROUGH TUESDAY.

&&

.MARINE...NO PROBLEMS TODAY OR TOMORROW...THEN ALL EYES WILL BE ON
WHAT HAPPENS IN THE NW CARIBBEAN. WILL BRING WINDS UP TO SCEC RANGE
FOR OUR SRN WATERS ON THU...BUT NOT GO HIGHER FOR NOW.

&&

.FIRE WEATHER...NO CONCERNS.

&&

.PRELIMINARY POINT TEMPS/POPS...
TPA 73 90 73 90 / 20 50 20 50
FMY 74 92 73 92 / 20 50 20 50
GIF 73 91 73 91 / 30 50 30 50
SRQ 73 88 72 89 / 20 40 20 50
BKV 69 90 70 90 / 30 50 30 50

&&

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

&&

SHORT TERM...SHARP
LONG TERM...GOLDSMITH
Hazardous weather outlook, Jun 7, 5:28 AM EDT, 13 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
528 AM EDT TUE JUN 7 2005

FLZ039-042-043-048>052-055>057-060>062-065-071330-
CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-
LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER-
528 AM EDT TUE JUN 7 2005

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

.DAY ONE...TODAY:

SCATTERED THUNDERSTORMS WILL DEVELOP MAINLY ALONG THE SEA BREEZE
BOUNDARY THIS AFTERNOON AND EVENING. LIGHT STEERING WINDS WILL CAUSE
THESE STORMS TO MOVE RATHER SLOWLY...CAUSING LOCALLY HEAVY RAINFALL.
GUSTY WINDS AND DANGEROUS LIGHTNING CAN ALSO BE EXPECTED WITH THE
STRONGER STORMS.

HEAVY RAINS MAY CAUSE MINOR FLOODING OF POOR DRAINAGE AND LOW LYING
AREAS. SMALL STREAMS MAY BRIEFLY EXCEED BANK FULL.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR
UPDATES.

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

SCATTERED THUNDERSTORMS WILL DEVELOP EACH DAY MAINLY DURING THE
AFTERNOON AND EVENING HOURS ALONG THE SEA BREEZE BOUNDARIES. EXPECT
GUSTY WINDS...HEAVY DOWNPOURS AND DANGEROUS LIGHTNING WITH THE
STRONGER STORMS.

.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)

In the hours before

Special weather statement, Jun 7, 5:20 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
520 PM EDT TUE JUN 7 2005

FLZ051-052-055-056-060-072300-
MANATEE-HARDEE-POLK-SARASOTA-HILLSBOROUGH-
520 PM EDT TUE JUN 7 2005

...A CLUSTER OF STRONG THUNDERSTORMS WILL CONTINUE TO AFFECT
MANATEE...HILLSBOROUGH...CENTRAL WESTERN POLK...HARDEE AND CENTRAL
NORTHERN SARASOTA UNTIL 700 PM EDT...

HEAVY RAINSHOWERS AND STRONG THUNDERSTORMS...MAINLY STATIONARY...WILL
CONTINUE TO AFFECT EASTERN AND CENTRAL MANATEE COUNTY AND RURAL
HARDEE COUNTY...UNTIL 700 PM EDT. WIND GUSTS OF 40 TO 50 MPH ARE
POSSIBLE WITH THESE STORMS WHICH MAY CAUSE LOOSE OBJECTS TO BLOW
AROUND. FREQUENT CLOUD TO GROUND LIGHTNING IS HAPPENING. IF CAUGHT
OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS
STORM WILL PRODUCE PEA SIZE HAIL MIXED WITH RAIN. TORRENTIAL RAINS
MAY REDUCE VISIBILITY TO NEAR ZERO AT TIMES.

MOTORISTS SHOULD EXERCISE CAUTION IF DRIVING UNDER HEAVY DOWNPOURS.
SLOW DOWN AND DO NOT ATTEMPT TO DRIVE YOUR VEHICLE OVER FLOODED
ROADS. REMEMBER...TURN AROUND DONT DROWN.

STAY TUNED TO YOUR NOAA WEATHER RADIO AND LOCAL MEDIA OUTLETS FOR
THE LATEST UPDATES AND WEATHER STATEMENTS.

REYNES
Special weather statement, Jun 7, 5:23 PM EDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
523 PM EDT TUE JUN 7 2005

FLZ065-072215-
LEE-
523 PM EDT TUE JUN 7 2005

...STRONG THUNDERSTORMS WILL AFFECT NORTHEAST LEE COUNTY...

A STRONG THUNDERSTORM THAT IS NEARLY STATIONARY...WILL AFFECT LEHIGH
ACRES...UNTIL 615 PM EDT. GUSTY WINDS UP TO 40 MPH WILL OCCUR.
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.

NP
Special weather statement, Jun 7, 5:34 PM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
534 PM EDT TUE JUN 7 2005

FLZ062-072215-
CHARLOTTE-
534 PM EDT TUE JUN 7 2005

...STRONG THUNDERSTORMS WILL AFFECT CHARLOTTE COUNTY...

A THUNDERSTORM...MOVING SOUTH AT 10 MPH...WILL AFFECT BABCOCK RANCH
AND TUCKERS CORNER...UNTIL 615 PM EDT. GUSTY WINDS UP TO 40 MPH WILL
OCCUR. 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. THIS STORM WILL PRODUCE PEA
SIZE HAIL. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...
AND MINOR FLOODING OF POOR DRAINAGE AREAS.

NP
Special weather statement, Jun 7, 5:48 PM EDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
548 PM EDT TUE JUN 7 2005

FLZ039-042-072245-
CITRUS-LEVY-
548 PM EDT TUE JUN 7 2005

...STRONG THUNDERSTORMS WILL AFFECT LEVY AND CITRUS COUNTIES...
STRONG THUNDERSTORMS THAT ARE NEARLY STATIONARY...WILL AFFECT
INGLIS...LEBANON...BRONSON AND WILLISTON...UNTIL 645 PM EDT. GUSTY
WINDS UP TO 40 MPH WILL OCCUR. 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.

NP
Local storm report, Jun 7, 6:11 PM EDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
611 PM EDT TUE JUN 07 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0608 PM     HAIL             WILLOW OAK              27.92N 82.02W
06/07/2005  0.75 INCH        POLK               FL   TRAINED SPOTTER

&&

NP
Special weather statement, Jun 7, 6:38 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
638 PM EDT TUE JUN 7 2005

FLZ062-065-080000-
CHARLOTTE-LEE-
638 PM EDT TUE JUN 7 2005

...STRONG THUNDERSTORMS WILL CONTINUE TO AFFECT CHARLOTTE AND LEE
COUNTIES...

HEAVY RAINSHOWERS AND STRONG THUNDERSTORMS...MOVING SOUTHWEST AT 10
MPH...WILL CONTINUE TO AFFECT MOST OF CHARLOTTE AND LEE
COUNTIES...INCLUDING FORT MEYERS UNTIL 800 PM EDT. GUSTY WINDS UP TO
40 MPH ARE POSSIBLE WITH THESE STORMS. FREQUENT CLOUD TO GROUND
LIGHTNING IS HAPPENING. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW
SPOT...AWAY FROM TALL OBJECTS. TORRENTIAL RAINS WILL REDUCE
VISIBILITY TO NEAR ZERO AT TIMES.

MOTORISTS SHOULD EXERCISE EXTREME CAUTION IF DRIVING UNDER HEAVY
DOWNPOURS ESPECIALLY ON INTERSTATE 75. SLOW DOWN AND DO NOT ATTEMPT
TO DRIVE YOUR VEHICLE OVER FLOODED ROADS. REMEMBER...TURN AROUND
DONT DROWN.

STAY TUNED TO YOUR NOAA WEATHER RADIO AND LOCAL MEDIA OUTLETS FOR
THE LATEST UPDATES AND WEATHER STATEMENTS.

REYNES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 6:01 PM EDTSevere Thunderstorm WarningTBWHillsborough, Polk44 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.