Alert archive / Florida / Tornado Warnings in 1998
Tornado Warning 69, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Sep 25, 1998, 1:21 PM EDT for Polk County, Florida. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 25, 1998, 1:21 PM EDT (17:21 UTC)
- Expired
- Sep 25, 1998, 2:10 PM EDT
- In force
- 49 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Polk County, FL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 25, 11:00 AM EDT | Tornado Watch | SPC | 12 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 5.4 hours before the alert went out and 74 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
653 WFUS1 KTBW 251722 RRA TORTBW FLC105-251810- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 121 PM EDT FRI SEP 25 1998 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * TORNADO WARNING FOR... POLK COUNTY IN CENTRAL FLORIDA * UNTIL 210 PM EDT * AT 120 PM...A TORNADO WAS INDICATED BY NATIONAL WEATHER SERVICE DOPPLER RADAR NEAR FROSTPROOF. THE TORNADO WAS MOVING TO THE NORTHWEST AT 30 MPH. * SOME LOCATIONS AFFECTED... NEAR BARTOW AT 145 PM THIS IS A DANGEROUS SITUATION. PERSONS IN THE PATH OF THE STORM NEED TO TAKE COVER IN A STURDY BUILDING. MOBILE HOMES AND CARS ARE NOT SAFE.
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 Sep 25, 10:00 AM EDT, 3 hours 21 minutes earlier.
Area forecast discussion, Sep 25, 10:00 AM EDT, 3 hours 21 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA/RUSKIN, FL 1000 AM EDT FRI SEP 25 1998 CURRENT SLATE OF WATCH/WARNINGS LOOKS ACCEPTABLE AT THE MOMENT BUT WILL NEED TO MONITOR DEVELOPING SEVERE STORMS OVER CENTRAL SECTIONS OF THE STATE AS THEY RACE OF TO THE NORTHWEST. MLB AND TBW HAVE ALREADY ISSUED TORNADO WARNINGS THIS MORNING. JUST SPOKE WITH MLB AND WILL GIVE SPC A CALL AFTER 10AM CONFERENCE CALL TO SUGGEST EXTENDING THE TORNADO WATCH BOX NORTHWARD. STILL FEEL COMFORTABLE WITH CURRENT COVERAGE OF FLOOD WATCH ACROSS OUR ENTIRE AREA. THE GROUND IS STILL NEARLY SATURATED FROM LAST WEEKENDS PRECIP AND THE RIVERS ARE EXTREMELY HIGH. PAYLOR
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 8:59 AM EDT | Tornado Warning | TBW | Polk | 46 min |
| Sep 25, 9:52 AM EDT | Tornado Warning | TBW | Polk | 48 min |
| Sep 25, 10:40 AM EDT | Tornado Warning | TBW | Polk | 35 min |
| Sep 25, 11:46 AM EDT | Tornado Warning | TBW | Pasco | 49 min |
| Sep 25, 1:12 PM EDT | Tornado Warning | TBW | Pasco | 43 min |
| Sep 25, 2:20 PM EDT | Tornado Warning | TBW | DeSoto | 25 min |
| Sep 25, 2:23 PM EDT | Tornado Warning | TBW | Charlotte | 37 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; the sounding from the Mesonet's radiosonde archive.