Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 67, NWS Tampa Bay, FL

September 25, 1998Pasco County, Florida

NWS Tampa Bay, FL issued this tornado warning at Sep 25, 1998, 11:46 AM EDT for Pasco County, Florida. It was in force for 49 min. 1 report 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
Sep 25, 1998, 11:46 AM EDT (15:46 UTC)
Expired
Sep 25, 1998, 12:35 PM EDT
In force
49 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Pasco County, FL

What was reported inside it

TimeReportWhereRemark
Sep 25, 12:32 PM EDTTornado F0Hudson, FLA Pasco County Sheriffs Deputy observed a tornado, associated with an outer band of Hurricane Georges, briefly touch down and topple a few large trees near U.S. Highway 19 in Hudson.

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
Sep 25, 11:00 AM EDTTornado WatchSPC12 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 3.8 hours before the alert went out and 67 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 12:00Z on 1998-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 324 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 1998-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.193958Sfc1 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
324 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
920 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

110 
WFUS1 KTBW 251547 RRA
TORTBW
FLC101-251635-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1146 AM EDT FRI SEP 25 1998

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  PASCO COUNTY IN WEST CENTRAL FLORIDA

* UNTIL 1235 PM EDT

* AT 1144 AM EDT... A TORNADO 7 MILES SOUTHEAST OF ZEPHYRHILLS OR 5
  MILES EAST OF CRYSTAL SPRINGS... WAS INDICATED BY NATIONAL WEATHER
  SERVICE DOPPLER RADAR IN RUSKIN... MOVING NORTHWEST 35 MPH.

* THIS STORM IS EXPECTED TO BE NEAR...
  CRYSTAL SPRINGS          AROUND 1150 AM EDT
  RICHLAND                 AROUND 1155 AM EDT
  ZEPHYRHILLS              AROUND 1155 AM EDT
  DADE CITY                AROUND 1205 PM EDT
  WESLEY CHAPEL            AROUND 1210 PM EDT
  SAN ANTONIO              AROUND 1210 PM EDT

* A FUNNEL CLOUD WAS REPORTED WITH THIS STORM IN EXTREME NORTHWEST
  POLK COUNTY.

A DOPPLER RADAR DETECTED TORNADO MEANS A TORNADO MAY NOT BE
OCCURRING AT THE MOMENT...BUT WILL LIKELY DO SO DURING THE WARNING
PERIOD. TAKE COVER IN A STURDY BUILDING. MOBILE HOMES AND CARS ARE
NOT SAFE.

ZALESKI/NASH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 8:59 AM EDTTornado WarningTBWPolk46 min
Sep 25, 9:52 AM EDTTornado WarningTBWPolk48 min
Sep 25, 10:40 AM EDTTornado WarningTBWPolk35 min
Sep 25, 1:12 PM EDTTornado WarningTBWPasco43 min
Sep 25, 1:21 PM EDTTornado WarningTBWPolk49 min
Sep 25, 2:20 PM EDTTornado WarningTBWDeSoto25 min
Sep 25, 2:23 PM EDTTornado WarningTBWCharlotte37 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.