Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 19, NWS Tampa Bay, FL

February 15, 1998Lee County, Florida

NWS Tampa Bay, FL issued this tornado warning at Feb 15, 1998, 7:18 PM EST for Lee County, Florida. It was in force for 37 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 15, 1998, 7:18 PM EST (00:18 UTC)
Expired
Feb 15, 1998, 7:55 PM EST
In force
37 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Lee County, FL

The radar

The Tampa radar (KTBW), 132 km from the middle of the area, began a volume at 00:19 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

TimeReportWhereRemark
Feb 15, 7:35 PM ESTTornado F0Cape Coral, FLA short lived tornado touched down along Sanibel Captiva Road near Blind Pass on Sanibel Island and downed a few trees before it lifted and dissipated.
Feb 15, 7:45 PM ESTThunderstorm WindCape Coral, FLThunderstorm winds downed several power lines along Sanibel Captiva Road on Sanibel Island.
Feb 15, 7:45 PM ESTHail 0.75Cape Coral, FL
Feb 15, 7:45 PM ESTThunderstorm WindCape Coral, FLThunderstorm winds damaged pool cages and downed two large trees in Cape Coral.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 15, 6:15 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 0.3 hours before the alert went out and 132 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 00:00Z on 1998-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 166 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 00:00Z on 1998-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.19395878Sfc1 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
166 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
362 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

346 
WFUS1 KTBW 160017 RRA
TORTBW
FLC071-GMZ856-160055-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
718 PM EST SUN FEB 15 1998

THE NATIONAL WEATHER SERVICE HAS ISSUED A...TORNADO WARNING
EFFECTIVE UNTIL 755 PM EST FOR

...LEE COUNTY

...AND INCLUDING THE GULF WATERS FROM GASPARILLA PASS TO BONITA BEACH
INCLUDING SAN CARLOS BAY...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO
MOVING ONSHORE OF THE OF CAPTIVA AND NORTHERN PINE ISLAND.  THIS
TORNADO WILL MOVE NORTHEASTWARD ACROSS NORTHERN CAPE CORAL

A DOPPLER RADAR DETECTED TORNADO MEANS THAT THERE IS STRONG
ROTATION WITHIN A STORM. THE STORM MAY NOT BE PRODUCING A TORNADO AT
THE MOMENT...BUT WILL LIKELY DURING THE WARNING PERIOD. THE STORM MAY
ALSO INCLUDE HAIL AND DAMAGING STRAIGHT LINE WIND. THOSE IN THE PATH
OF THE STORM ARE ADVISED TO TAKE COVER IMMEDIATELY.

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD
TO SEE. TAKE COVER NOW. SEEK REFUGE IN A SMALL INTERIOR ROOM SUCH AS
A CLOSET ON THE LOWEST FLOOR. YOU MAY ONLY HAVE A FEW SECONDS.
ABANDON CARS AND MOBILE HOMES FOR A STRONG BUILDING OR GET INTO A
DITCH OR CULVERT.

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 15, 2:43 PM EST, 4 hours 35 minutes earlier.

Area forecast discussion, Feb 15, 2:43 PM EST, 4 hours 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1015 AM EST SUN 15 1998

NOW ITS TIME TO THROW MODELS OUT THE WINDOW AND EXTRAPOLATE WHAT IS
GOING TO HAPPEN IN THE NEAR TERM.  IN THE SOUTHERN HALF OF THE AREA
WHERE THE AIR IS MORE UNSTABLE...A SEVERE THREAT LOOKS PRETTY GOOD.  TO
THE NORTH YOU CAN NOT DISCOUNT SOME SEVERE BUT TO A LESSER DEGREE AS
THIS MCS MOVES ONSHORE.  OVER ALL AREAS THE HODOGRAPH LOOKS VERY
IMPRESSIVE WITH VERY STRONG LOW LEVEL SHEAR.

HEAVY RAIN CAN BE EXPECTED ALSO.  AS THE LONG WAVE TROUGH DIGS IN WEST
OF THE AREA...I AM THINKING THE SQUALL WILL START TO SLOW UP.  ALTHOUGH
IT SEEMS TO BE MOVING RIGHT ALONG TODAY.  I WILL STICK WITH THE QPF
NUMBERS THAT WE HAVE BEEN ADVERTISING ALL ALONG ABOUT 2 TO 3 INCHES
FOR AN AREA WIDE TOTAL THROUGH MIDDAY MONDAY.

WITH THE POTENTIALLY BAD WEATHER BEARING DOWN US THIS AFTERNOON I
HAVE NOT HAD A LOT OF TIME TO LOOK AT THE NEXT SYSTEM.  I WILL MENTION
THAT WITH THE VERY IMPRESSIVE JET DEVELOPING AND OTHER CONDITIONS
COMING TOGETHER...THE NEXT SYSTEM MAY MAKE THIS MCS LOOK PRETTY
WIMPY.

SOBIEN

In the hours before

Special weather statement, Feb 15, 3:53 PM EST, 3 hours 25 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-
870-873-876-160020-

WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
353 PM EST SUN FEB 15 1998

...SEVERE THUNDERSTORMS POSSIBLE TONIGHT...
...GALE WARNING FOR THE GULF COASTAL AND OFFSHORE WATERS THROUGH
   MONDAY FROM THE SUWANNEE RIVER TO BONITA BEACH...
...WIND ADVISORY THROUGH TONIGHT FOR ALL WEST CENTRAL AND SOUTHWEST
   FLORIDA...
...FLOOD WATCH FOR ALL WEST CENTRAL AND SOUTHWEST FLORIDA THROUGH
   MONDAY...
...COASTAL FLOOD WATCH FROM THE SUWANNEE RIVER TO BONITA BEACH THROUGH
   MONDAY MORNING...

A LINE OF STRONG THUNDERSTORMS OVER THE EASTERN GULF OF MEXICO WILL MOVE
EAST...REACHING THE COAST OF WEST CENTRAL AND SOUTHWEST FLORIDA BY EARLY
THIS EVENING.  THE BEST THREAT FOR SEVERE THUNDERSTORMS WILL BE FROM
TAMPA BAY SOUTH...AS A WARM FRONT OVER THE SOUTHERN PENINSULA MOVES
NORTHWARD TONIGHT. EVEN OUTSIDE ANY THUNDERSTORMS...WINDY CONDITIONS
WILL PERSIST WITH SOUTHEAST WINDS OF 20 TO 25 MPH...WITH GUSTS OF 30 TO
40 MPH LIKELY.

SOUTHEAST WINDS ARE EXPECTED TO BECOME MORE SOUTHERLY LATER TONIGHT.
AS THE WINDS TURN TO SOUTHERLY...CONDITIONS WILL BECOME MORE FAVORABLE
FOR COASTAL FLOODING. THE BEST THREAT OF COASTAL FLOODING WILL NOT BE
UNTIL LATER TONIGHT AS MORE SOUTHERLY WINDS CONINCIDE WITH THE NEXT
ASTRONOMICAL HIGH TIDES...WHICH ARE EXPECTED BETWEEN 3 AND 5 AM MONDAY
MORNING. DURING THE PERIOD OF ASTRONOMICAL HIGH TIDE...WATER LEVELS ARE
EXPECTED TO BE ELEVATED TO BETWEEN TWO AND THREE FEET ABOVE THE TIDE
LEVELS. THIS MAY CAUSE SOME MINOR COASTAL FLOODING ALONG IMMEDIATE
SHORE LINE LOCATIONS.

IN ADDITION TO THE SEVERE WEATHER AND COASTAL FLOOD THREAT...RAINFALL
TOTALS OF TWO TO THREE INCHES ARE EXPECTED ACROSS WEST CENTRAL AND
SOUTHWEST FLORIDA TONIGHT. SOME LOCALLY HEAVIER AMOUNTS OF THREE TO
FIVE INCHES MAY BE POSSIBLE...ESPECIALLY FROM TAMPA BAY SOUTH. THIS
ADDITIONAL RAINFALL WILL LIKELY AGGRAVATE THE CONDITIONS ALONG AREA
RIVERS AND STREAMS...POSSIBLY CAUSING RIVERS CURRENTLY NOT FLOODING TO
GO BACK ABOVE FLOOD STAGE. WITH THE EXPECTED WIDESPREAD HEAVY
RAINFALL... PONDING OF WATER ON STREETS AND ROADWAYS...ESPECIALLY WITHIN
LOW LYING AREAS WILL ALSO BE POSSIBLE.

THE MAIN CONCERNS TONIGHT WITH ANY STRONG TO SEVERE THUNDERSTORMS WILL
BE STRONG WINDS OF 50 TO 60 MPH OR HIGHER...FREQUENT CLOUD TO GROUND
LIGHTNING AND POSSIBLY SOME TORNADOES.

IF SEVERE WEATHER BECOME THREAT...MOVE INDOORS...OR INTO A REINFORCED
BUILDING. ALSO...ANY RESIDENTS ALONG RIVERS AND STREAMS SHOULD MONITOR
RIVER LEVELS FOR THE POTENTIAL OF RISING WATERS.

ALL RESIDENTS ACROSS WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD CONTINUE
TO MONITOR NOAA WEATHER RADIO/RADIO AND TV/CABLE TV BROADCASTS FOR THE
LATEST STATMENTS AND POSSIBLE WARNINGS CONCERNING THIS DEVELOPING
SITUATION.

MORALES
Special weather statement, Feb 15, 3:53 PM EST, 3 hours 25 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-
870-873-876-160020-

WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
353 PM EST SUN FEB 15 1998

...SEVERE THUNDERSTORMS POSSIBLE TONIGHT...
...GALE WARNING FOR THE GULF COASTAL AND OFFSHORE WATERS THROUGH
   MONDAY FROM THE SUWANNEE RIVER TO BONITA BEACH...
...WIND ADVISORY THROUGH TONIGHT FOR ALL WEST CENTRAL AND SOUTHWEST
   FLORIDA...
...FLOOD WATCH FOR ALL WEST CENTRAL AND SOUTHWEST FLORIDA THROUGH
   MONDAY...
...COASTAL FLOOD WATCH FROM THE SUWANNEE RIVER TO BONITA BEACH THROUGH
   MONDAY MORNING...

A LINE OF STRONG THUNDERSTORMS OVER THE EASTERN GULF OF MEXICO WILL MOVE
EAST...REACHING THE COAST OF WEST CENTRAL AND SOUTHWEST FLORIDA BY EARLY
THIS EVENING.  THE BEST THREAT FOR SEVERE THUNDERSTORMS WILL BE FROM
TAMPA BAY SOUTH...AS A WARM FRONT OVER THE SOUTHERN PENINSULA MOVES
NORTHWARD TONIGHT. EVEN OUTSIDE ANY THUNDERSTORMS...WINDY CONDITIONS
WILL PERSIST WITH SOUTHEAST WINDS OF 20 TO 25 MPH...WITH GUSTS OF 30 TO
40 MPH LIKELY.

SOUTHEAST WINDS ARE EXPECTED TO BECOME MORE SOUTHERLY LATER TONIGHT.
AS THE WINDS TURN TO SOUTHERLY...CONDITIONS WILL BECOME MORE FAVORABLE
FOR COASTAL FLOODING. THE BEST THREAT OF COASTAL FLOODING WILL NOT BE
UNTIL LATER TONIGHT AS MORE SOUTHERLY WINDS CONINCIDE WITH THE NEXT
ASTRONOMICAL HIGH TIDES...WHICH ARE EXPECTED BETWEEN 3 AND 5 AM MONDAY
MORNING. DURING THE PERIOD OF ASTRONOMICAL HIGH TIDE...WATER LEVELS ARE
EXPECTED TO BE ELEVATED TO BETWEEN TWO AND THREE FEET ABOVE THE TIDE
LEVELS. THIS MAY CAUSE SOME MINOR COASTAL FLOODING ALONG IMMEDIATE
SHORE LINE LOCATIONS.

IN ADDITION TO THE SEVERE WEATHER AND COASTAL FLOOD THREAT...RAINFALL
TOTALS OF TWO TO THREE INCHES ARE EXPECTED ACROSS WEST CENTRAL AND
SOUTHWEST FLORIDA TONIGHT. SOME LOCALLY HEAVIER AMOUNTS OF THREE TO
FIVE INCHES MAY BE POSSIBLE...ESPECIALLY FROM TAMPA BAY SOUTH. THIS
ADDITIONAL RAINFALL WILL LIKELY AGGRAVATE THE CONDITIONS ALONG AREA
RIVERS AND STREAMS...POSSIBLY CAUSING RIVERS CURRENTLY NOT FLOODING TO
GO BACK ABOVE FLOOD STAGE. WITH THE EXPECTED WIDESPREAD HEAVY
RAINFALL... PONDING OF WATER ON STREETS AND ROADWAYS...ESPECIALLY WITHIN
LOW LYING AREAS WILL ALSO BE POSSIBLE.

THE MAIN CONCERNS TONIGHT WITH ANY STRONG TO SEVERE THUNDERSTORMS WILL
BE STRONG WINDS OF 50 TO 60 MPH OR HIGHER...FREQUENT CLOUD TO GROUND
LIGHTNING AND POSSIBLY SOME TORNADOES.

IF SEVERE WEATHER BECOME THREAT...MOVE INDOORS...OR INTO A REINFORCED
BUILDING. ALSO...ANY RESIDENTS ALONG RIVERS AND STREAMS SHOULD MONITOR
RIVER LEVELS FOR THE POTENTIAL OF RISING WATERS.

ALL RESIDENTS ACROSS WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD CONTINUE
TO MONITOR NOAA WEATHER RADIO/RADIO AND TV/CABLE TV BROADCASTS FOR THE
LATEST STATMENTS AND POSSIBLE WARNINGS CONCERNING THIS DEVELOPING
SITUATION.

MORALES

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 7:05 PM ESTSevere Thunderstorm WarningTBWLee80 min
Feb 16, 9:29 AM ESTTornado WarningTBWCitrus31 min
Feb 16, 11:28 AM ESTTornado WarningTBWPinellas32 min
Feb 16, 1:12 PM ESTTornado WarningTBWHillsborough48 min
Feb 16, 1:18 PM ESTSevere Thunderstorm WarningTBWManatee47 min
Feb 16, 1:47 PM ESTSevere Thunderstorm WarningTBWHillsborough48 min
Feb 16, 2:25 PM ESTTornado WarningTBWPolk50 min
Feb 16, 2:38 PM ESTSevere Thunderstorm WarningTBWPolk32 min
Feb 16, 3:11 PM ESTSevere Thunderstorm WarningTBWPolk49 min

Nearby

Tornado Warnings in Florida, 1998Every tornado warning in 1998Tornadoes in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.