Alert archive / Florida / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 49, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Aug 6, 2005, 4:49 PM EDT for Hillsborough County, Florida. It was in force for 30 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
- Aug 6, 2005, 4:49 PM EDT (20:49 UTC)
- Expired
- Aug 6, 2005, 5:19 PM EDT
- In force
- 30 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Hillsborough County, FL
The radar
The Tampa radar (KTBW), 15 km from the middle of the area, began a volume at 20:53 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 4:51 PM EDT | TSTM WND GST 62 | Macdill Air Force Base, FL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 2 minutes after it went out.
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, 8.8 hours before the alert went out and 15 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.
- Mixed-layer CAPE
- 1312 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 851 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTBW 062050 SVRTBW FLC057-062130- /O.NEW.KTBW.SV.W.0049.050806T2049Z-050806T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 449 PM EDT SAT AUG 6 2005 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN HILLSBOROUGH COUNTY IN FLORIDA. * UNTIL 530 PM EDT * AT 449 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER MACDILL AIR FORCE BASE...MOVING EAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... MACDILL AIR FORCE BASE. APOLLO BEACH. GIBSONTON. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF PENNIES OR LARGER. MOVE TO A PLACE OF SAFETY. && LAT...LON 2794 8257 2778 8258 2767 8232 2784 8220 $$ 13
2 follow-up statements
000 WWUS52 KTBW 062105 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 505 PM EDT SAT AUG 6 2005 FLC057-062130- /O.CON.KTBW.SV.W.0049.000000T0000Z-050806T2130Z/ HILLSBOROUGH- 505 PM EDT SAT AUG 6 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR SOUTHERN HILLSBOROUGH COUNTY UNTIL 530 PM EDT... AT 505 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES SOUTH OF TAMPA...MOVING SOUTHEAST AT 15 MPH. AT 446 PM EDT... MACDILL AIR FORCE BASE REPORTED A WIND GUST OF 62 MPH. THE SEVERE THUNDERSTORM WILL AFFECT... MACDILL AIR FORCE BASE. APOLLO BEACH. RIVERVIEW. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN RUSKIN. && LAT...LON 2794 8257 2778 8258 2767 8232 2784 8220 $$ 13
000 WWUS52 KTBW 062119 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 517 PM EDT SAT AUG 6 2005 FLC057-062127- /O.CAN.KTBW.SV.W.0049.000000T0000Z-050806T2130Z/ HILLSBOROUGH- 517 PM EDT SAT AUG 6 2005 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HILLSBOROUGH COUNTY IS CANCELLED... AT 517 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. && LAT...LON 2794 8257 2778 8258 2767 8232 2784 8220 $$ 13
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 Aug 6, 1:00 PM EDT, 3 hours 49 minutes earlier.
Area forecast discussion, Aug 6, 1:00 PM EDT, 3 hours 49 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 100 PM EDT SAT AUG 6 2005 .SHORT TERM (TONIGHT-MON)...WEAK FLOW OVER THE AREA WILL CONTINUE INTO MONDAY. UPPER TROUGH IN PLACE OVER AL WEAKENS BUT MOVES LITTLE WITH WEAK RIDGING REMAINING OVER THE STATE. AT THE SURFACE...HIGH PRESSURE OVER THE ATLANTIC WILL CONTINUE TO RIDGE OVER THE SOUTHERN HALF OF THE STATE AS LOW PRESSURE TO THE NW OF THE AREA ASSOC WITH THE UPPER TROUGH OVER AL DISSIPATES. A BIT OF EXTRA MOISTURE AND ENERGY FROM THE LOW WILL LIKELY MOVE OVER THE COASTAL WATERS AFTER MIDNIGHT AND HELP SPARK A COUPLE OF COASTAL SHOWERS/STORMS TOWARD MORNING. HAVE THEREFORE EXTENDED THE ISOLATED TSTMS OVER THE WATERS ABOUT 10 MILES INLAND FROM THE COAST FROM SARASOTA NORTHWARD STARTING AROUND 5AM SUN MORNING. FLOW WILL BE LIGHT AND VARIABLE AT NIGHT AND BECOME WESTERLY AT 5 TO 10 MPH DURING THE AFTERNOONS AS THE SEABREEZE DEVELOPS AND PUSHES INLAND. WARM AND HUMID CONDITIONS WILL ALSO CONTINUE WITH TEMPS REACHING TO AROUND 90 NEAR THE COAST EACH DAY TO THE MID 90S INLAND. MIN TEMPS WILL FALL TO THE LOWER TO MID 70S EACH NIGHT. THESE CONDITIONS WILL ALLOW FOR SCATTERED AFTERNOON AND EARLY EVENING CONVECTION TO DEVELOP MAINLY NEAR THE SEABREEZE AND OUTFLOW BOUNDARIES EACH DAY. && .LONG TERM (MON NIGHT-SAT)...OVERALL PATTERN REMAINS UNCHANGED FROM PREVIOUS FORECAST. UPPER LEVEL RIDGING WILL REMAIN OVER THE AREA WITH SURFACE RIDGE AXIS LOCATED SOMEWHERE ACROSS THE CENTRAL FLORIDA PENINSULA. EXACT PLACEMENT OF AXIS SHIFTS FROM MODEL TO MODEL RUN... BUT IN GENERAL IT WILL BE ACROSS THE FORECAST AREA THUS KEEPING A RATHER LIGHT FLOW ACROSS THE REGION. TYPICAL SCATTERED DIURNAL CONVECTION IS EXPECTED EACH DAY AS DAYTIME HEATING COMBINES WITH THE MOISTURE IN PLACE AND THE SEA/LAKE BREEZES. TEMPERATURES WILL REMAIN NEAR NORMAL THROUGH THE PERIOD. && .MARINE...WEAK RIDGING OVER THE SOUTHERN HALF OF THE STATE WILL BRING LIGHT GENERALLY S/SW FLOW WITH WINDS BECOMING WESTERLY AT 5 TO 10 KNOTS IN THE AFTERNOONS AS THE SEABREEZE TAKES OVER. SEAS WILL REMAIN AT 2 FEET OR LESS THROUGH THE PERIOD WITH ISOLATED THUNDERSTORMS POSSIBLE. WINDS AND SEAS WILL BE HIGHER NEAR THESE STORMS. && .FIRE WEATHER...NO HIGHLIGHTS. && .PRELIMINARY POINT TEMPS/POPS... TPA 77 90 76 91 / 20 50 20 40 FMY 75 92 75 92 / 30 50 30 40 GIF 75 92 75 93 / 30 50 30 40 SRQ 75 90 75 91 / 20 50 20 40 BKV 71 90 72 91 / 20 50 20 40 && .TBW WATCHES/WARNINGS/ADVISORIES...NONE. && SHORT TERM...JLC LONG TERM....PRC
Hazardous weather outlook, Aug 6, 4:28 AM EDT, 12 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 428 AM EDT SAT AUG 6 2005 FLZ039-042-043-048>052-055>057-060>062-065-061424- CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE- LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER- 428 AM EDT SAT AUG 6 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT: SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER MOST OF WEST CENTRAL AND SOUTHWEST...ESPECIALLY IN THE INTERIOR COUNTIES. THE STRONGER STORMS WILL BRING DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAINS...AND BRIEF GUSTY WINDS. SMALL HAIL IS ALSO POSSIBLE. HEAT INDICES WILL RISE TO THE LOWER 100S. DRINK PLENTY OF WATER... BEFORE YOU GET THIRSTY. WEAR LIGHTWEIGHT AND LIGHT COLORED CLOTHING. RESERVE STRENUOUS EXERCISE FOR EARLY MORNING OR EVENING HOURS. STAY NEAR AIR CONDITIONED LOCATIONS IF POSSIBLE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED EACH DAY WITH THE STRONGER STORMS PRODUCING BRIEFLY GUSTY WINDS...HEAVY RAINS...AND DANGEROUS LIGHTNING. IN ADDITION...HEAT INDICES ARE EXPECTED TO TOP OUT A LITTLE ABOVE 100 DEGREES EACH AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED. AR
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 4:29 PM EDT | Special Marine Warning | TBW | 61 min | |
| Aug 6, 4:40 PM EDT | Special Marine Warning | TBW | 65 min | |
| Aug 6, 4:55 PM EDT | Severe Thunderstorm Warning | TBW | Polk | 51 min |
| Aug 6, 5:54 PM EDT | Special Marine Warning | TBW | 66 min | |
| Aug 6, 6:10 PM EDT | Severe Thunderstorm Warning | TBW | Polk | 23 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.