Alert archive / Florida / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 39, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 15, 2005, 6:10 PM EDT for Pasco County, Florida. It was in force for 35 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
- Jul 15, 2005, 6:10 PM EDT (22:10 UTC)
- Expired
- Jul 15, 2005, 6:45 PM EDT
- In force
- 35 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), 59 km from the middle of the area, began a volume at 22:13 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, 10.2 hours before the alert went out and 59 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
- 1159 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 936 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- -27 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 152210 SVRTBW FLC101-152245- /O.NEW.KTBW.SV.W.0039.050715T2210Z-050715T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 610 PM EDT FRI JUL 15 2005 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL PASCO COUNTY IN FLORIDA. * UNTIL 645 PM EDT * AT 610 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...OVER SOUTHERN PASCO COUNTY...MOVING WEST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... WESLEY CHAPEL. LAND O LAKES. SUNCOAST PARKWAY. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF QUARTERS. MOVE TO A PLACE OF SAFETY. WIND GUSTS TO 60 MPH WILL CAUSE SOME STRUCTURAL DAMAGE...MAINLY TO TREES AND POWER LINES. POORLY ANCHORED ROOFS...MOBILE HOMES...AND SHEDS ARE ALSO AT RISK. && LAT...LON 2817 8231 2827 8226 2835 8250 2820 8256 $$ 55
2 follow-up statements
000 WWUS52 KTBW 152220 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 620 PM EDT FRI JUL 15 2005 FLC101-152245- /O.CON.KTBW.SV.W.0039.000000T0000Z-050715T2245Z/ PASCO- 620 PM EDT FRI JUL 15 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR CENTRAL PASCO COUNTY UNTIL 645 PM EDT... AT 620 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES NORTH OF LUTZ...MOVING WEST AT 5 MPH. THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING... QUARTER SIZE HAIL. 60 MPH WIND GUSTS. EXCESSIVE AND DEADLY CLOUD-TO-GROUND LIGHTNING. THIS IS A DANGEROUS STORM. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. MOVE TO A PLACE OF SAFETY...AN INTERIOR ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS. && LAT...LON 2817 8231 2827 8226 2835 8250 2820 8256 $$ 55
000 WWUS52 KTBW 152244 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 643 PM EDT FRI JUL 15 2005 FLC101-152253- /O.EXP.KTBW.SV.W.0039.000000T0000Z-050715T2245Z/ PASCO- 643 PM EDT FRI JUL 15 2005 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PASCO COUNTY EXPIRED AT 645 PM EDT... AT 643 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 THIS THUNDERSTORM...AND FROM OTHER THUNDERSTORMS THAT HAVE FORMED OFF TO THE NORTHEAST INTO NORTH CENTRAL PASCO AND SOUTH CENTRAL HERNANDO COUNTIES. && LAT...LON 2817 8231 2827 8226 2835 8250 2820 8256 $$ 55
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 15, 1:20 PM EDT, 4 hours 50 minutes earlier.
Area forecast discussion, Jul 15, 1:20 PM EDT, 4 hours 50 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 120 PM EDT FRI JUL 15 2005 .SHORT TERM (TNGT-SUN)...TYPICAL SUMMERTIME WEATHER WILL CONTINUE THROUGH THE WEEKEND. UPPER LEVEL RIDGE WILL BUILD IN FROM THE ATLANTIC WHILE SURFACE RIDGE AXIS CURRENTLY ACROSS THE NATURE COAST DRIFTS SLOWLY NORTH TO NEAR THE GEORIGA/FLORIDA BORDER SUNDAY. MOISTURE WILL REMAIN IN PLACE ACROSS THE AREA WITH PRECIPITABLE WATER VALUES OVER 1.8 INCHES THROUGH THE PERIOD. THIS MOISTURE COMBINED WITH DAYTIME HEATING AND THE SEA/LAKE BREEZES WILL LEAD TO SCATTERED MAINLY AFTERNOON AND EARLY EVENING SHOWERS AND THUNDERSTORMS EACH DAY. SOUTHEASTERLY FLOW WILL BECOME BETTER ESTABLISHED AS RIDGE AXIS DRIFTS NORTH HELPING TO FAVOR COASTAL COUNTIES FOR BEST COVERAGE OF CONVECTION WITH HEAVY RAINFALL AND FREQUENT TO EXCESSIVE LIGHTNING CONTINUING TO BE THE MAIN THREAT FROM THE STORMS THROUGH THE PERIOD. 500 MB TEMPERATURES WILL BE MARGINALLY COOL ENOUGH THAT SOME OF THE STRONGER STORMS COULD PRODUCE SOME HAIL AND GUSTY WINDS. GUIDANCE TEMPERATURES CONTINUE TO BE FAIRLY SIMILAR AND CLOSE TO NORMAL AND WILL NO DEVIATE FROM VERY MUCH. .LONG TERM (SUN NGT-FRI)...TYPICAL SUMMER PATTERN WILL CONTINUE THROUGH THE PERIOD WITH RIDGING AT THE SURFACE AND ALOFT. RIDGE AXIS WILL BE NORTH OF THE AREA SO THE FLOW WILL REMAIN EAST TO SOUTHEAST WITH AFTERNOON SEABREEZES DOMINATING. DEEP MOISTURE OVER THE STATE WILL ALLOW FOR AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS TO DEVELOP MAINLY ALONG THE SEABREEZE/OUTFLOW BOUNDARIES. TEMPERATURES WILL CONTINUE WITHIN A FEW DEGREES OF NORMAL. && .MARINE...WINDS AND SEAS WILL GRADUALLYY INCREASE AS SOUTHEASTERLY FLOW BECOMES BETTER ESTABLISHED OVER THE WEEKEND INTO NEXT WEEK... BUT STILL BELOW FLAG CRITERIA. ONLY EXCEPTION WILL BE NEAR ANY THUNDERSTORMS. && .FIRE WEATHER...NO CONCERNS. && .PRELIMINARY POINT TEMPS/POPS... TPA 77 90 77 91 / 30 50 20 50 FMY 75 93 75 94 / 30 50 20 50 GIF 75 93 75 94 / 30 50 20 40 SRQ 75 90 75 91 / 30 50 20 50 BKV 73 92 73 93 / 30 50 20 50 && .TBW WATCHES/WARNINGS/ADVISORIES...NONE. SHORT TERM...PRC LONG TERM....JLC
Hazardous weather outlook, Jul 15, 4:33 AM EDT, 13 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 433 AM EDT FRI JUL 15 2005 FLZ039-042-043-048>052-055>057-060>062-065-151600- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 433 AM EDT FRI JUL 15 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST FLORIDA AND WEST CENTRAL FLORIDA. .DAY ONE...TODAY: SHOWERS AND THUNDERSTORMS ARE LIKELY ACROSS PARTS OF WEST CENTRAL AND SOUTHWEST FLORIDA THIS AFTERNOON. THEY WILL BEGIN TO DEVELOP LATE THIS MORNING NEAR THE COAST...AND GRADUALLY SPREAD INLAND TO NEAR THE I-75 CORRIDOR BY EARLY AFTERNOON. SHOWERS AND THUNDERSTORMS WILL BE MORE SCATTERED FARTHER INLAND. THESE THUNDERSTORMS WILL BE SLOW MOVING AND WILL BE CAPABLE OF DUMPING HEAVY AMOUNTS OF RAIN IN A SHORT PERIOD OF TIME. HEAVY PONDING OF WATER ON ROADWAYS...POOR VISIBILITY...POOR DRAINAGE FLOODING...EXCESSIVE CLOUD TO GROUND LIGHTNING...AND BRIEF WINDS GUSTS ARE ALL POSSIBLE IN THESE THUNDERSTORMS. MOTORISTS SHOULD SLOW DOWN AND ALLOW EXTRA TRAVEL TIME WHEN DRIVING IN THUNDERSTORMS THIS AFTERNOON. NEVER DRIVE THROUGH AREAS WHERE WATER COVERS THE ROADWAY PEOPLE OUTDOORS THIS AFTERNOON SHOULD STAY ALERT FOR DARKENING SKIES. IF THUNDERSTORMS APPROACH OR IF THUNDER IS HEARD...MOVE INDOORS. IF THERE IS TIME...UNPLUG APPLIANCES AND ELECTRICAL EQUIPMENT. WAIT UNTIL THE STORM ENDS BEFORE USING THE TELEPHONE OR RUNNING WATER. THE THUNDERSTORM ACTIVITY WILL GRADUALLY DIMINISH THIS EVENING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE POSSIBLE EACH DAY. THE MAIN HAZARDS FROM THESE STORMS WILL CONTINUE TO BE HEAVY RAINS...FREQUENT LIGHTNING STRIKES...AND GUSTY WINDS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. && FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT HTTP://WWW.SRH.NOAA.GOV/TBW (LOWER CASE)
In the hours before
Special weather statement, Jul 15, 3:02 PM EDT, 3 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 302 PM EDT FRI JUL 15 2005 FLZ039-042-048>051-055-060-062-065-152200- LEVY-CITRUS-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-MANATEE-SARASOTA- CHARLOTTE-LEE- INCLUDING THE CITIES OF...CEDAR KEY...CHIEFLAND...CRYSTAL RIVER... INVERNESS...BROOKSVILLE...SPRING HILL...NEW PORT RICHEY... ZEPHYRHILLS...CLEARWATER...ST. PETERSBURG...BRANDON...TAMPA... BRADENTON...SARASOTA...VENICE...PORT CHARLOTTE...PUNTA GORDA... CAPE CORAL...FORT MYERS 302 PM EDT FRI JUL 15 2005 ...NUMEROUS THUNDERSTORMS TO AFFECT THE FRIDAY AFTERNOON AND EVENING COMMUTE... THUNDERSTORMS WILL INCREASE IN COVERAGE AND INTENSITY BETWEEN 4 AND 6 PM...AFFECTING PRIMARILY THE IMMEDIATE TAMPA BAY AND SARASOTA BRADENTON METRO AREAS BUT ALSO EXTENDING TOWARD THE NATURE COAST. LOW LEVEL WIND FLOW FAVORS THE MOST NUMEROUS STORMS OVER AND WEST OF INTERSTATE 75...WHICH INCLUDES MOST OF THE MORE HEAVILY TRAVELED HIGHWAYS. MOTORISTS...AND RESIDENTS...CAN EXPECT TORRENTIAL RAINS REDUCING VISIBILITY TO NEAR ZERO IN SPOTS AS WELL AS FREQUENT TO EXCESSIVE LIGHTNING. ONE OR TWO STORMS MAY APPROACH OR EXCEED SEVERE LIMITS...INCLUDING WIND GUSTS OF 50 MPH OR MORE AND HAIL UP TO NICKEL SIZE IN DIAMETER. COMMUTERS SHOULD REMAIN ALERT TO RAPIDLY DETERIORATING CONDITIONS LATER THIS AFTERNOON AND EVENING. IF CAUGHT IN THE STORMS...USE SAFE DRIVING TECHNIQUES TO PREVENT ACCIDENTS AND AVOID FLOODED ROADS. OTHERS SHOULD BE READY TO SEEK SAFETY FROM LIGHTNING. IF POSSIBLE...MOVE INDOORS AWAY FROM WINDOWS...AND REFRAIN FROM USING DEVICES THAT CONDUCT ELECTRICITY. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR UPDATES...INCLUDING POSSIBLE WARNINGS OR ADVISORIES...LATER THIS AFTERNOON AND EVENING. BSG
Special weather statement, Jul 15, 4:03 PM EDT, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 403 PM EDT FRI JUL 15 2005 FLZ050-152030- PINELLAS- 403 PM EDT FRI JUL 15 2005 ...STRONG THUNDERSTORMS WILL AFFECT NORTH CENTRAL PINELLAS COUNTY... A THUNDERSTORM...MOVING NORTHWEST AT 10 MPH...WILL AFFECT CLEARWATER...BELLEAIR...AND DUNEDIN...UNTIL 430 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. HAIL UP TO ONE HALF INCH IN DIAMETER IS EXPECTED. RJS
Special weather statement, Jul 15, 4:53 PM EDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 453 PM EDT FRI JUL 15 2005 FLZ051-055-152145- MANATEE-HILLSBOROUGH- 453 PM EDT FRI JUL 15 2005 ...STRONG THUNDERSTORMS WILL AFFECT CENTRAL AND SOUTHERN HILLSBOROUGH COUNTY AND EXTREME NORTHWEST MANATEE... A LINE OF THUNDERSTORMS...MOVING WEST AT 5 TO 10 MPH...WILL AFFECT WIMAUMA...RUSKIN...SUN CITY CENTER AND BRANDON...UNTIL 545 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 MAY PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. MOTORISTS WILL WANT TO TAKE THEIR TIME GETTING HOME DURING RUSH HOUR TODAY. RJS
Special weather statement, Jul 15, 5:43 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 543 PM EDT FRI JUL 15 2005 FLZ052-152230- POLK- 543 PM EDT FRI JUL 15 2005 ...STRONG THUNDERSTORMS WILL AFFECT CENTRAL AND WESTERN POLK COUNTY... A LINE OF THUNDERSTORMS...MOVING NORTHWEST AT 10 MPH...WILL AFFECT BARTOW...WAHNETA...MULBERRY...AUBURNDALE...LAKELAND HIGHLANDS AND FORT MEADE...UNTIL 630 PM EDT. GUSTY WINDS UP TO 40 MPH WILL OCCUR. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM MAY PRODUCE PEA SIZE HAIL. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL OCCUR. MOTORISTS CAN EXPECT PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS. RJS
Special weather statement, Jul 15, 6:06 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 606 PM EDT FRI JUL 15 2005 FLZ048>051-152315- HERNANDO-PASCO-PINELLAS-HILLSBOROUGH- INCLUDING THE CITIES OF...BROOKSVILLE...SPRING HILL... NEW PORT RICHEY...ZEPHYRHILLS...CLEARWATER...ST. PETERSBURG... BRANDON...TAMPA 606 PM EDT FRI JUL 15 2005 ...INTENSE THUNDERSTORMS DEVELOPING OVER TAMPAS NORTHERN SUBURBS... AT 6 PM EDT...NUMEROUS THUNDERSTORMS EXTENDED FROM NORTH HILLSBOROUGH COUNTY THROUGH CENTRAL PASCO COUNTY. STRONGER STORMS NEAR LUTZ AND ODESSA...LAND O LAKES...AND THE SHADY HILLS AREA OF PASCO COUNTY WILL CONTINUE MOVING NORTHWEST. RESIDENTS OF NORTHEASTERN PINELLAS COUNTY...INCLUDING PALM HARBOR...WESTERN PASCO COUNTY...INCLUDING PORT RICHEY AND HUDSON...AND SOUTHERN HERNANDO COUNTY...INCLUDING SPRING HILL AND MASARYKTOWN...SHOULD REMAIN ALERT TO FREQUENT CLOUD TO GROUND LIGHTNING...TORRENTIAL RAINS...WIND GUSTS IN EXCESS OF 40 MPH...AND SMALL HAIL. MOTORISTS ALONG HIGHWAYS 41 AND 19...AS WELL AS THE SUNCOAST PARKWAY...SHOULD REMAIN ALERT TO SHARPLY REDUCED VISIBILITY IN HEAVY RAIN. OTHER RESIDENTS SHOULD REMAIN INDOORS...AWAY FROM WINDOWS...UNTIL THE STORMS END. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR UPDATES...INCLUDING POSSIBLE WARNINGS...EARLY THIS EVENING. BSG
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:40 PM EDT | Tornado Warning | TBW | Charlotte, Sarasota | 20 min |
| Jul 15, 7:42 PM EDT | Special Marine Warning | TBW | 48 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.