Alert archive / Florida / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 41, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 20, 2005, 6:16 PM EDT for Pinellas County, Florida. It was in force for 31 min. 6 reports 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
- Jul 20, 2005, 6:16 PM EDT (22:16 UTC)
- Expired
- Jul 20, 2005, 6:47 PM EDT
- In force
- 31 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Pinellas County, FL
The radar
The Tampa radar (KTBW), 45 km from the middle of the area, began a volume at 22:19 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 |
|---|---|---|---|
| Jul 20, 6:18 PM EDT | FUNNEL CLOUD | 2 Se Largo, FL | FUNNEL CLOUD OBSERVED AT THE INTERSECTIONS OF STARKEY AND ULMERTON ROADS. |
| Jul 20, 6:22 PM EDT | FUNNEL CLOUD | 2 Se Largo, FL | PILOT REPORTED FUNNEL CLOUD. |
| Jul 20, 6:24 PM EDT | TSTM WND DMG | Largo, FL | ROOF TORN OFF A HOME AT 851 ROYAL PALM CIRCLE. |
| Jul 20, 6:26 PM EDT | TSTM WND DMG | Largo, FL | ROOF TORN OFF A MOBILE HOME AT A MOBILE HOME PARK AT 7100 BLOCK OF ULMERTON ROAD. |
| Jul 20, 6:27 PM EDT | TSTM WND DMG | Largo, FL | ROOF DAMAGE TO HOME DEPOT NEAR THE LARGO MALL. |
| Jul 20, 6:28 PM EDT | HAIL 0.25 | Seminole, FL | PEA SIZE HAIL ON THE GROUND. |
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 3 storm reports to this severe thunderstorm warning; the first came 8 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, 10.3 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.
- Mixed-layer CAPE
- 1076 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -7 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 202216 SVRTBW FLC103-202245- /O.NEW.KTBW.SV.W.0041.050720T2216Z-050720T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 616 PM EDT WED JUL 20 2005 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN PINELLAS COUNTY IN FLORIDA. * UNTIL 645 PM EDT * AT 616 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER SEMINOLE...MOVING WEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... SEMINOLE. BELLEAIR. INDIAN ROCKS BEACH. 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 2773 8272 2788 8264 2803 8300 2782 8309 $$ 13
2 follow-up statements
000 WWUS52 KTBW 202243 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 641 PM EDT WED JUL 20 2005 FLC103-202245- /O.CON.KTBW.SV.W.0041.000000T0000Z-050720T2245Z/ PINELLAS- 641 PM EDT WED JUL 20 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR SOUTHERN PINELLAS COUNTY UNTIL 645 PM EDT... AT 641 PM EDT...SKYWARN SPOTTERS REPORTED PEA SIZE HAIL IN SEMINOLE AND LARGO AT 628 PM. FUNNEL CLOUDS WERE ALSO SITED OVER CLEARWATER AT 627 PM. AT 641 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES NORTHWEST OF LARGO...MOVING NORTHWEST AT 15 MPH. THE SEVERE THUNDERSTORM WILL AFFECT... BELLEAIR. CLEARWATER. && LAT...LON 2773 8272 2788 8264 2803 8300 2782 8309 $$ 13
000 WWUS52 KTBW 202247 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 647 PM EDT WED JUL 20 2005 FLC103-202257- /O.EXP.KTBW.SV.W.0041.000000T0000Z-050720T2245Z/ PINELLAS- 647 PM EDT WED JUL 20 2005 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PINELLAS COUNTY EXPIRED AT 645 PM EDT... AT 647 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 OVER NORTHERN PINELLAS COUNTY NEAR DUNEDIN. && LAT...LON 2773 8272 2788 8264 2803 8300 2782 8309 $$
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 Jul 20, 3:30 PM EDT, 2 hours 46 minutes earlier.
Area forecast discussion, Jul 20, 3:30 PM EDT, 2 hours 46 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL ISSUED BY NATIONAL WEATHER SERVICE MELBOURNE FL 330 PM EDT WED JUL 20 2005 .DISCUSSION... CURRENTLY...CONVECTION SLOWER TO GET GOING TODAY LIKELY DUE TO DRIER AIR SEEN IN MORNING SOUNDING. HOWEVER...SCATTERED SHOWERS AND LIGHTNING STORMS WILL CONTINUE TO INCREASE IN COVERAGE THE NEXT FEW HOURS ESP SOUTHERN HALF OF FA. ALTHOUGH SFC OBS DO NOT SHOW IT...THE WEST COAST BREEZE IS LIKELY LURKING ALONG OR JUST OFFSHORE. THIS BOUNDARY WILL FOCUS ADDITIONAL CONVECTION...SOME STRONG. LOW LEVEL RIDGE AXIS WILL REMAIN NORTH OF THE AREA THU CONTINUING THE EASTERLY (OFFSHORE) FLOW. THE GRADIENT IS NOT EXPECTED TO BE AS STRONG SO THE WEST COAST BREEZE WILL BE ABLE TO DEVELOP EARLIER AND PUSH INLAND FARTHER THAN TODAY. EXPECT SCATTERED CONVECTION TO DEVELOP ONCE AGAIN THU AFTN FOCUSED ON THE WESTERN SIDE OF THE FL PENINSULA IN THE DEEP EASTERLY FLOW. A VIGOROUS TROPICAL WAVE OVER HISPANOLA IS FORECAST TO MOVE NW ACROSS THE BAHAMAS THU. GFS DEVELOPS A CLOSED LOW WITH THIS FEATURE BUT RECURVES IT WELL OFFSHORE THE FL EAST COAST AS UPPER RIDGE WEAKENS AND BROAD TROUGHINESS DEVELOPS IN EASTERN CONUS. BUT WILL BE WATCHING THIS FEATURE CLOSELY AS HURRICANE CENTER MODELS BRING THIS FEATURE CLOSER TO FL. SO COULD SEE ENHANCED RAIN CHANCES SAT...AND POSSIBLY FRI DEPENDING ON ITS SPEED AND MOVEMENT. LOW LEVEL RIDGE AXIS IS FORECAST TO SLIP SOUTH ACROSS S FL THIS WEEKEND AND CONTINUE INTO MID WEEK BRINGING A RETURN TO AN ONSHORE (W/SW) FLOW WITH SCATTERED CONVECTION. BAND OF DEEPER MOISTURE PROGGED TO STAY NORTH OVER THE PANHANDLE. && .MARINE...WINDS AND SEAS WILL REMAIN LOW THROUGH THE PERIOD WITH AN AFTERNOON AND EVENING SEA BREEZE DEVELOPING EACH DAY. NO HIGHLIGHTS EXPECTED THROUGH THE WEEKEND. && .FIRE WEATHER...NO CONCERNS. && .AVIATION...SCATTERED STORMS THRU EARLY EVENING MAY BRING TEMPORARY IFR CONDITIONS TO THE TAF SITES...ESP SRQ. OTHERWISE...VFR CONDS EXPECTED OVERNIGHT AND THU MORNING. && .PRELIMINARY POINT TEMPS/POPS... TPA BT 077/092 077/091 076 242 FMY BT 076/093 076/092 075 242 GIF BT 076/094 076/093 075 232 SRQ BT 076/091 076/090 076 242 BKV BT 073/093 073/092 073 232 && .TBW WATCHES/WARNINGS/ADVISORIES...NONE. KELLY
Hazardous weather outlook, Jul 20, 5:00 AM EDT, 13 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 500 AM EDT WED JUL 20 2005 FLZ039-042-043-048>052-055>057-060>062-065-201400- CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE- LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER- 500 AM EDT WED JUL 20 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: SCATTERED AFTERNOON AND EARLY EVENING SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN TODAY...WITH HIGHEST CHANCE FOR RAIN NEAR THE COAST...GENERALLY WEST OF INTERSTATE 75. ANY THUNDERSTORMS THAT DEVELOP MAY BECOME STRONG WITH HEAVY RAINFALL...FREQUENT LIGHTNING AND BRIEF GUSTY WINDS. THE LOCALLY HEAVY RAINFALL MAY RESULT IN SIGNIFICANT PONDING OF WATER ON ROADWAYS...POOR VISIBILITY AND MINOR FLOODING OF LOW LYING AND POOR DRAINAGE AREAS. NEVER DRIVE THROUGH AREAS WHERE WATER COVERS THE ROADWAY. WHEN SKIES DARKEN...MOVE INDOORS. IF THERE IS TIME...UNPLUG APPLIANCES AND ELECTRICAL EQUIPMENT. WAIT UNTIL THE STORM ENDS BEFORE USING THE TELEPHONE OR RUNNING WATER. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY: SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE EXPECTED EACH DAY. THE MAIN HAZARDS FROM THESE STORMS WILL CONTINUE TO BE HEAVY RAINFALL...FREQUENT LIGHTNING AND GUSTY WINDS. .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) PRC
In the hours before
Special weather statement, Jul 20, 4:08 PM EDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 408 PM EDT WED JUL 20 2005 FLZ055-056-202100- MANATEE-HARDEE- 408 PM EDT WED JUL 20 2005 ...STRONG THUNDERSTORMS WILL AFFECT WESTERN HARDEE AND EASTERN AND NORTHERN MANATEE COUNTIES... STRONG THUNDERSTORMS...MOVING WEST AT 10 MPH...WILL AFFECT WAUCHULA...ONA...MYAKKA CITY AND FORT GREEN...UNTIL 500 PM EDT. GUSTY WINDS UP TO 30 MPH WILL BE POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM WILL PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. MOTORISTS MAY WANT TO DELAY TRAVEL. JCM
Special weather statement, Jul 20, 5:00 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 500 PM EDT WED JUL 20 2005 FLZ051-055-202145- MANATEE-HILLSBOROUGH- 500 PM EDT WED JUL 20 2005 ...STRONG THUNDERSTORMS WILL AFFECT SOUTHERN HILLSBOROUGH AND CENTRAL AND WESTERN MANATEE COUNTIES... STRONG THUNDERSTORMS MOVING WEST AT 10 TO 15 MPH...WILL AFFECT FORT LONESOME...PARRISH...BAYSHORE GARDENS...HOLMES BEACH...SARASOTA BRADENTON AIRPORT...BRADENTON...SUN CITY CENTER...RUSKIN...WHITFIELD AND WIMAUMA...UNTIL 545 PM EDT. GUSTY WINDS UP TO 30 MPH WILL OCCUR. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THESE STORMS MAY PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. RUSH HOUR MOTORISTS MAY WANT TO DELAY TRAVEL. JCM
Special weather statement, Jul 20, 5:49 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 549 PM EDT WED JUL 20 2005 FLZ050-051-202230- PINELLAS-HILLSBOROUGH- 549 PM EDT WED JUL 20 2005 ...STRONG THUNDERSTORMS WILL AFFECT SOUTHERN PORTIONS OF PINELLAS AND HILLSBOROUGH COUNTIES ... STRONG THUNDERSTORMS MOVING WEST NORTHWEST AT 10 TO 15 MPH...WILL AFFECT GIBSONTON...APOLLO BEACH...SAINT PETERSBURG...SAINT PETERSBURG BEACH...INDIAN ROCKS BEACH...PINELLAS PARK...GIBSONTON... LARGO...EGMONT KEY AND TREASURE ISLAND...UNTIL 630 PM EDT. GUSTY WINDS UP TO 40 MPH WILL BE POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM WILL PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. RUSH HOUR MOTORISTS MAY WANT TO DELAY TRAVEL. JCM
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 5:17 PM EDT | Special Marine Warning | TBW | 64 min | |
| Jul 20, 6:25 PM EDT | Special Marine Warning | TBW | 65 min | |
| Jul 20, 6:52 PM EDT | Severe Thunderstorm Warning | TBW | Pinellas | 26 min |
| Jul 20, 7:19 PM EDT | Special Marine Warning | TBW | 62 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.