Alert archive / Florida / Tornado Warnings in 2007
Tornado Warning 1, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Feb 1, 2007, 11:19 PM EST for Citrus County, Florida. It was in force for 26 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
- Feb 1, 2007, 11:19 PM EST (04:19 UTC)
- Expired
- Feb 1, 2007, 11:45 PM EST
- In force
- 26 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Citrus County, FL
The radar
The Tampa radar (KTBW), 141 km from the middle of the area, began a volume at 04:19 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado 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 00:00Z, 4.3 hours before the alert went out and 141 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
- 156 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 424 m²/s²
- 0-3 km storm-relative helicity
- 498 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS52 KTBW 020419 TORTBW FLC017-020445- /O.NEW.KTBW.TO.W.0001.070202T0419Z-070202T0445Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1119 PM EST THU FEB 1 2007 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * TORNADO WARNING FOR... NORTHERN CITRUS COUNTY IN FLORIDA. * UNTIL 1145 PM EST * AT 1119 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 6 MILES WEST OF CRYSTAL RIVER...MOVING NORTHEAST AT 45 MPH. * THE TORNADO WILL BE NEAR... CRYSTAL RIVER BY 1120 PM EST. BEVERLY HILLS BY 1130 PM EST. THIS IS A DANGEROUS STORM MOVE INTO THE INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD AND BODY WITH PILLOWS OR BLANKETS. TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT. TAKE COVER NOW MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. ABANDON MOBILE HOMES. LEAVE VEHICLES AND GET INTO A DITCH OR LOW SPOT. PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR HIGHER...HAIL THE SIZE OF PENNIES OF LARGER...AND ANY WIND DAMAGE TO YOUR NATIONAL WEATHER SERVICE IN RUSKIN BY CALLING 813-645-2323. && LAT...LON 2899 8278 2882 8270 2895 8228 2907 8252 $$ 69
1 follow-up statement
000 WWUS52 KTBW 020445 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1145 PM EST THU FEB 1 2007 FLC017-020455- /O.EXP.KTBW.TO.W.0001.000000T0000Z-070202T0445Z/ CITRUS- 1145 PM EST THU FEB 1 2007 ...THE TORNADO WARNING FOR NORTHERN CITRUS COUNTY HAS EXPIRED... AT 1145 PM EST...NATIONAL WEATHER SERVICE RADAR INDICATED THE TORNADO THAT PROMPTED THE WARNING...HAD EXITED THE WARNED AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. DOPPLER RADAR INDICATED THAT HEAVY RAIN AND GUSTY WINDS WERE STILL POSSIBLE FROM THE THUNDERSTORM. && LAT...LON 2899 8278 2882 8270 2895 8228 2907 8252 $$ 69
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Feb 1, 9:17 PM EST, 2 hours 2 minutes earlier.
Area forecast discussion, Feb 1, 9:17 PM EST, 2 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
917 PM EST THU FEB 1 2007
...TORNADO WATCH 14 REMAINS IN EFFECT FOR LEVY COUNTY UNTIL 1 AM...
...ISOLATED STRONG TO SEVERE STORMS POSSIBLE OVERNIGHT FROM THE BAY
AREA NORTH...
.DISCUSSION...00Z RAOB DATA SHOW LIMITED INSTABILITY (LI -1C) ACROSS
THE FORECAST AREA EARLY THIS EVENING. DESPITE THE WEAK INSTABILITY THOUGH
AMPLE LOW LEVEL MOISTURE RECOVERY (PWS NOW 1.6) COUPLED WITH VERY
IMPRESSIVE DEEP LAYER SHEAR (0-3KM HELICITY OF 554 M2/S2) AND A STRONG
SOUTHWESTERLY LOW LEVEL JET 60 KNOTS SHOULD CONTINUE TO SUPPORT THE
POSSIBILITY OF SOME ORGANIZED STORMS INCLUDING SUPERCELLS CAPABLE OF
PRODUCING DAMAGING WINDS/LARGE HAIL AND OR ISOLATED SHORT LIVED TORNADOES
ALONG AND TO THE SOUTH OF COLD FRONT OVER THE WESTERN PANHANDLE WHICH
WILL BE ADVANCING SOUTHEASTWARD OVERNIGHT.
CURRENT 88D RETURNS SHOWS A SOLID AREA OF CONVECTION AFFECTING LEVY
COUNTY WITH THIS AREA EXTENDING SOUTHWEST OVER THE ADJACENT GULF WATERS
SOUTHWEST OF CEDAR KEY FOR MORE THAN 60NM WHERE THE BEST LOW LEVEL
CONVERGENCE...BEST INSTABILITY AND UPPER LEVEL DIVERGENCE CURRENTLY
EXISTS.
AS FOR THE REST OF TONIGHT ONGOING CONVECTION WILL SLOWLY MAKE ITS
WAY SOUTHEAST IN TANDEM WITH AFOREMENTIONED COLD FRONT WITH THE
CONVECTION LIKELY BEGINNING TO AFFECT THE TAMPA BAY AREA AFTER
MIDNIGHT...THEN TO A LESSER AND WEAKER EXTENT ACROSS SOUTHWEST
FLORIDA ON FRIDAY. GOOD DIVERGENCE ALOFT ALONG WITH POSSIBLE
TRAINING OF CELLS WILL ALSO SUPPORT SOME LOCALLY HEAVY RAINFALL
(HEAVIEST ACROSS THE NATURE COAST) OVERNIGHT...SO WILL CONTINUE
WITH LOCALLY HEAVY RAIN WORDING IN THE ZONES. AS FOR AN EVENING
UPDATE WILL REMOVE AFTERNOON WORDING OTHERWISE REST OF ONGOING
FORECAST LOOKS IN GOOD SHAPE WITH NO ADDITIONAL CHANGES EXPECTED
AT THIS TIME.
STRONG SOUTHERLY WIND FLOW IS HELPING TO PILE UP WATER ALONG THE COAST
AND TIDES FROM THE BAY AREA NORTH TO CEDAR KEY ARE CURRENTLY RUNNING
ONE TO TWO ABOVE NORMAL. AS WIND BECOME MORE SOUTHWEST OVERNIGHT THERE
WILL BE THE POSSIBILITY OF SOME MINOR COASTAL FLOODING AT TIMES OF
HIGH TIDE ALONG SOUTH AND WEST FACING SHORE LINES FROM PASCO COUNTY
NORTH. FOR ADDITIONAL INFORMATION ON THIS SEE THE COASTAL HAZARD MESSAGE
(MIACFWTBW) WHICH WAS ISSUED DURING THE AFTERNOON.
&&
.AVIATION...INCREASING CLOUD COVER TONIGHT WILL CONTINUE AT THE TAF
SITES OF TPA...PIE AND SRQ WITH SHOWERS...ISOLATED THUNDERSTORMS AND
GUSTY WINDS DEVELOPING OVERNIGHT. EXPECT PERIODS OF VFR UNDER HEAVY
SHOWERS AND THUNDERSTORMS. THIS WEATHER ACTIVITY WILL EXTEND INTO
THE SOUTHERN SITES OF FMY AND SRQ IN THE EARLY MORNING HOURS.
CONDITIONS WILL REMAIN MVFR FOR MOST OF FRIDAY WITH PERIODS OF VFR
IN THE AFTERNOON AS SHOWERS AND THUNDERSTORM ACTIVITY WILL LINGER
AROUND CENTRAL SOUTHERN FLORIDA AT LEAST THROUGH LATE IN THE
AFTERNOON AND EARLY EVENING.
&&
.MARINE...C-MAN AND OFFSHORE BUOYS INDICATING SOLID SMALL CRAFT CONDITIONS
OVER THE NEAR AND OFFSHORE WATERS WITH COASTAL ASOS AT KPIE REPORTING
WIND GUSTS UP TO 30 KNOTS WITHIN THE LAST HOUR. WILL MAINTAIN SMALL
CRAFT FLAGS OVER ALL WATERS INCLUDING THE BAY OVERNIGHT. WILL REMOVE
AFTERNOON WORDING AND FRESHEN UP WIND/SEA WORDING SOME IN THE NEXT
ISSUANCE 10 PM...OTHERWISE NO OTHER CHANGES PLANNED.
&&
.TBW WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GULF WATERS...SMALL CRAFT ADVISORY UNTIL 10 AM EST FRIDAY FROM
BONITA BEACH TO SUWANNEE RIVER OUT 20 TO 60 NM
INCLUDING THE TAMPA BAY WATERS.
&&
UPDATE...JCM
AVIATION...ARHazardous weather outlook, Feb 1, 5:55 AM EST, 17 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 555 AM EST THU FEB 1 2007 FLZ039-042-043-048>052-055>057-060>062-065-011700- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 555 AM EST THU FEB 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST FLORIDA AND WEST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT A DEVELOPING AREA OF LOW PRESSURE OVER THE WESTERN GULF OF MEXICO EARLY THIS MORNING WILL INTENSIFY AS IT MOVES EAST NORTHEAST ACROSS THE SOUTHERN UNITED STATES TODAY AND TONIGHT AND OFF THE MID ATLANTIC COAST ON FRIDAY. AHEAD OF THIS SYSTEM SOUTHERLY WINDS WILL BECOME STRONG AND GUSTY BY THIS AFTERNOON WITH INCREASING LOW LEVEL MOISTURE RESULTING IN A FEW SHOWERS LATER THIS AFTERNOON FROM THE TAMPA BAY AREA NORTH. TONIGHT RAIN CHANCES ALONG WITH ISOLATED THUNDERSTORM DEVELOPMENT WILL INCREASE ACROSS THE NATURE COAST THIS EVENING...WITH THE RAIN AND THUNDERSTORMS SPREADING SOUTHEAST INTO THE TAMPA BAY AREA AFTER MIDNIGHT. ABUNDANT LOW LEVEL MOISTURE COUPLED WITH INCREASING LARGE SCALE ASCENT... ADEQUATE INSTABILITY...AND A SLIGHTLY SHEARED ENVIRONMENT WILL LEAD TO THE POSSIBILITY OF A FEW STRONG TO SEVERE THUNDERSTORMS OVER WEST CENTRAL FLORIDA TONIGHT WITH THE PRIMARY HAZARDS BEING OCCASIONAL LIGHTNING STRIKES...DAMAGING WINDS AND ISOLATED SHORT LIVED TORNADOES. IN ADDITION TO THE STRONG STORMS INCREASING LARGE SCALE ASCENT COMBINED WITH A HIGHLY DIVERGENT MID AND UPPER LEVEL FLOW IN THE ATMOSPHERE MAY RESULT IN SOME LOCALLY HEAVY RAINS...WHICH COULD CAUSE MINOR FLOODING OF LOW LYING AND POOR DRAINAGE AREAS...AS WELL AS PONDING OF WATER ON ROADWAYS. RAINFALL AMOUNTS AVERAGING BETWEEN ONE AND TWO INCHES...WITH SOME LOCALIZED HIGHER AMOUNTS... ARE POSSIBLE ACROSS THE NATURE COAST WITH ABOUT HALF OF AN INCH TO ONE INCH EXPECTED FURTHER SOUTH ACROSS THE TAMPA BAY REGION. THE COMBINATION OF INCREASING WINDS AND BUILDING SEAS WILL RESULT IN DETERIORATING BOATING CONDITIONS OVER THE EASTERN GULF WATERS AS WELL AS TAMPA BAY AND INLAND WATER WAYS TODAY AND TONIGHT. STRONG WIND GUSTS OVER 30 KNOTS ALONG WITH SOME ISOLATED MARINE WATERSPOUTS WILL BE POSSIBLE TONIGHT IN THE VICINITY OF STRONGER STORMS AND ALL SMALL CRAFT OPERATORS ARE URGED TO EXERCISE CAUTION AS SMALL CRAFT ADVISORIES ARE IN EFFECT FOR LATE THIS MORNING THROUGH TONIGHT. MARINERS PLANNING TRIPS INTO THE GULF TODAY AND TONIGHT MAY WANT TO POSTPONE THEIR TRIPS UNTIL WINDS AND SEAS BEGIN TO DECREASE AND SUBSIDE LATER ON FRIDAY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ON FRIDAY A COLD FRONT ASSOCIATED WITH THE LOW PRESSURE SYSTEM MOVING BY TO THE NORTH WILL MOVE ACROSS THE AREA WITH THE BEST CHANCES OF RAIN AND POSSIBLY A FEW THUNDERSTORMS SHIFTING SOUTH INTO SOUTH CENTRAL AND SOUTHWEST FLORIDA IN THE AFTERNOON. OVERALL DYNAMICS AND LIFT WILL BE MUCH LESS ON FRIDAY AND THEREFORE THE THREAT OF STRONG TO SEVERE THUNDERSTORMS WILL BE MINIMAL WITH THE MAIN THREATS BEING OCCASIONAL LIGHTNING STRIKES AND BRIEF GUSTY WINDS. WINDS AND SEAS ACROSS THE COASTAL WATERS WILL GRADUALLY DIMINISH ON FRIDAY AS THE LOW PRESSURE AREA MOVES AWAY FROM THE REGION AND THE COLD FRONT WEAKENS AS IT DRIFTS SOUTHWARD. OVER THE WEEKEND HOWEVER...NORTHEASTERLY WINDS WILL ONCE AGAIN GRADUALLY INCREASE TO NEAR SMALL CRAFT ADVISORY CRITERIA AS HIGH PRESSURE BUILDS IN FROM THE NORTHWEST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. PRC
In the hours before
Special weather statement, Feb 1, 6:21 PM EST, 4 hours 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 621 PM EST THU FEB 1 2007 FLZ039-042-043-048-020000- SUMTER-HERNANDO-CITRUS-LEVY- 621 PM EST THU FEB 1 2007 ...STRONG THUNDERSTORMS WILL AFFECT LEVY...CITRUS...HERNANDO AND SUMTER COUNTIES... A LINE OF STRONG THUNDERSTORMS...MOVING NORTHEAST AT 45 MPH...WILL AFFECT CHASSAHOWITZKA...HOMOSASSA SPRINGS...INVERNESS AND CRYSTAL RIVER...UNTIL 700 PM EST. GUSTY WINDS OF 40 TO 50 MPH MAY CAUSE LOOSE OBJECTS TO BLOW AROUND. MINOR DAMAGE TO TREE LIMBS AND WIRES IS POSSIBLE. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS. SMALL HAIL IS ALSO POSSIBLE. IF HAZARDOUS WEATHER APPROACHES YOUR LOCATION MOVE INDOORS IMMEDIATELY. JCM
Local storm report, Feb 1, 6:28 PM EST, 4 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
628 PM EST THU FEB 01 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0605 PM HAIL CRYSTAL RIVER 28.90N 82.60W
02/01/2007 E1.00 INCH CITRUS FL PUBLIC
QUARTER SIZE HAIL REPORTED ALONG HIGHWAY 19 IN CRYSTAL
RIVER.
&&
JCMSpecial weather statement, Feb 1, 6:59 PM EST, 4 hours 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 659 PM EST THU FEB 1 2007 FLZ039-042-043-020130- SUMTER-CITRUS-LEVY- 659 PM EST THU FEB 1 2007 ...SHOWERS AND ISOLATED THUNDERSTORMS WILL AFFECT MOST OF LEVY...CITRUS AND SUMTER COUNTIES... SHOWERS...AND A FEW THUNDERSTORMS...MOVING NORTHEAST AT 30 MPH...WILL AFFECT THE MENTIONED AREA INCLUDING BEVERLY HILLS...HOMOSASSA SPRINGS...INGLIS...CEDAR KEY...OTTER CREEK AND CHIEFLAND UNTIL 830 PM EST. GUSTY WINDS UP TO 40 MPH ARE POSSIBLE. THESE STORMS ARE CAPABLE OF PRODUCING PEA SIZE HAIL. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. MOTORISTS SHOULD EXERCISE EXTREME CAUTION WHILE DRIVING UNDER HEAVY DOWNPOURS AT NIGHT. WHEN DRIVING THROUGH HEAVY RAIN...SLOW DOWN. ALWAYS LEAVE A SAFE DISTANCE BETWEEN YOU AND OTHER VEHICLES. WHEN USING WIPERS...TURN ON HEADLIGHTS. AVOID DRIVING THROUGH PUDDLES THAT COULD HIDE POTHOLES OR CAUSE HYDROPLANING. 22/AR
Special weather statement, Feb 1, 8:29 PM EST, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 829 PM EST THU FEB 1 2007 FLZ039-042-043-020400- SUMTER-CITRUS-LEVY- 829 PM EST THU FEB 1 2007 ...TORRENTIAL RAINS AND ISOLATED THUNDERSTORMS WILL CONTINUE TO AFFECT AFFECT MOST OF LEVY...CITRUS AND CENTRAL NORTHERN SUMTER... THUNDERSTORMS...MOVING NORTHEAST AT 35 MPH...WILL CONTINUE TO AFFECT THE MENTIONED AREA INCLUDING BRONSON...BEVERLY HILLS...HOMOSASSA SPRINGS...INGLIS...CEDAR KEY...OTTER CREEK AND CHIEFLAND UNTIL 1100 PM EST. 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. HAIL UP TO ONE HALF INCH IN DIAMETER IS EXPECTED. 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. WHEN DRIVING THROUGH HEAVY RAIN...SLOW DOWN. ALWAYS LEAVE A SAFE DISTANCE BETWEEN YOU AND OTHER VEHICLES. WHEN USING WIPERS...TURN ON HEADLIGHTS. AVOID DRIVING THROUGH PUDDLES THAT COULD HIDE POTHOLES OR CAUSE HYDROPLANING. AR
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 8:41 PM EST | Special Marine Warning | TBW | 64 min | |
| Feb 2, 1:04 AM EST | Special Marine Warning | TBW | 56 min | |
| Feb 2, 1:58 AM EST | Special Marine Warning | TBW | 32 min | |
| Feb 2, 2:14 AM EST | Tornado Warning | TBW | Citrus | 46 min |
| Feb 2, 2:59 AM EST | Coastal Flood Warning | TBW | 4 hr | |
| Feb 2, 3:02 AM EST | Tornado Warning | TBW | Sumter | 18 min |
| Feb 2, 6:16 AM EST | Special Marine Warning | TBW | 29 min | |
| Feb 2, 7:56 AM EST | Tornado Warning | TBW | Polk | 19 min |
Nearby
Tornado Warnings in Florida, 2007Every tornado warning in 2007Tornadoes in 2007
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.