Alert archive / Florida / Tornado Warnings in 1998
Tornado Warning 29, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Feb 17, 1998, 5:04 AM EST for Manatee County, Florida. It was in force for 36 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
- Feb 17, 1998, 5:04 AM EST (10:04 UTC)
- Expired
- Feb 17, 1998, 5:40 AM EST
- In force
- 36 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Manatee County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 17, 5:11 AM EST | Tornado F1 | Myakka City, FL | A tornado tore off the roof of a milking facility, two barns and a shed, damaged feed silos and downed power lines in a rural area of eastern Manatee County along State Road 70. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 17, 3:30 AM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 10.1 hours before the alert went out and 26 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
- 1385 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 680 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 408 m²/s²
- 0-3 km storm-relative helicity
- 419 m²/s²
- Significant tornado parameter
- 3.3
- Supercell composite
- 13.5
The text
As transmitted, in the capitals the NWS used until 2016.
238 WFUS1 KTBW 171005 RRA TORTBW FLC081-171040- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 504 AM EST TUE FEB 17 1998 THE NATIONAL WEATHER SERVICE HAS ISSUED A...TORNADO WARNING EFFECTIVE UNTIL 540 AM EST FOR ...SOUTHEASTERN MANATEE COUNTY AT 503 AM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 6 MILES SOUTHWEST OF MYAKKA CITY MOVING NORTHEAST AT 50 MPH. LARGE HAIL IS ALSO LIKELY WITH THE STORM. THIS STORM IS EXPECTED TO BE NEAR... MYAKKA CITY AROUND 505 AM EST MYAKKA HEAD AROUND 515 AM EST 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. NASH
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 3:36 AM EST | Severe Thunderstorm Warning | TBW | Pinellas | 44 min |
| Feb 17, 3:58 AM EST | Severe Thunderstorm Warning | TBW | Hillsborough | 47 min |
| Feb 17, 4:03 AM EST | Severe Thunderstorm Warning | TBW | Sarasota | 47 min |
| Feb 17, 4:35 AM EST | Tornado Warning | TBW | Manatee | 35 min |
| Feb 17, 4:51 AM EST | Tornado Warning | TBW | Sarasota | 29 min |
| Feb 17, 4:59 AM EST | Tornado Warning | TBW | Hardee, Polk | 46 min |
| Feb 17, 5:34 AM EST | Severe Thunderstorm Warning | TBW | Hardee | 46 min |
| Feb 17, 6:02 AM EST | Severe Thunderstorm Warning | TBW | Highlands | 48 min |
| Feb 17, 9:12 AM EST | Severe Thunderstorm Warning | TBW | Lee | 48 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.