Alert archive / Florida / Tornado Warnings in 1998
Tornado Warning 36, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Mar 1, 1998, 5:29 AM EST for Manatee County, Florida. It was in force for 31 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
- Mar 1, 1998, 5:29 AM EST (10:29 UTC)
- Expired
- Mar 1, 1998, 6:00 AM EST
- In force
- 31 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Manatee County, FL
The radar
The Tampa radar (KTBW), 26 km from the middle of the area, began a volume at 10:33 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 1, 5:45 AM EST | Thunderstorm Wind | Bradenton, FL | Thunderstorm winds downed several large trees in the city of Bradenton. |
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 |
|---|---|---|---|
| Mar 1, 3:15 AM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 10.5 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
- 1852 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 516 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTBW 011029 RRA TORTBW FLC081-GMZ853-011100- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 529 AM EST SUN MAR 1 1998 THE NATIONAL WEATHER SERVICE HAS ISSUED A...TORNADO WARNING EFFECTIVE UNTIL 600 AM EST FOR ...MANATEE COUNTY ...AND INCLUDING THE GULF WATERS FROM THE MOUTH OF TAMPA BAY TO LONGBOAT PASS AT 527 AM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR IN RUSKIN INDICATED A DEVELOPING TORNADO 5 MILES SOUTHWEST OF LONGBOAT KEY AND WAS MOVING EAST NORTHEAST AT 30 MPH. 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.
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 8:24 PM EST | Severe Thunderstorm Warning | TBW | Pasco | 51 min |
| Feb 28, 9:07 PM EST | Severe Thunderstorm Warning | TBW | Hernando | 48 min |
| Feb 28, 9:14 PM EST | Severe Thunderstorm Warning | TBW | Pasco | 46 min |
| Feb 28, 11:35 PM EST | Severe Thunderstorm Warning | TBW | Hillsborough | 45 min |
| Mar 1, 12:28 AM EST | Severe Thunderstorm Warning | TBW | Hillsborough | 47 min |
| Mar 1, 12:42 AM EST | Severe Thunderstorm Warning | TBW | Polk | 63 min |
| Mar 1, 12:53 AM EST | Tornado Warning | TBW | Polk | 47 min |
| Mar 1, 1:01 AM EST | Severe Thunderstorm Warning | TBW | Hardee | 49 min |
| Mar 1, 3:49 AM EST | Severe Thunderstorm Warning | TBW | Citrus | 31 min |
| Mar 1, 5:04 AM EST | Severe Thunderstorm Warning | TBW | Manatee, Sarasota | 61 min |
| Mar 1, 5:36 AM EST | Tornado Warning | TBW | Manatee, Sarasota | 34 min |
| Mar 1, 6:11 AM EST | Severe Thunderstorm Warning | TBW | Manatee, Sarasota | 44 min |
| Mar 1, 7:12 AM EST | Severe Thunderstorm Warning | TBW | Charlotte | 48 min |
| Mar 1, 8:23 AM EST | Severe Thunderstorm Warning | TBW | Lee | 47 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.