Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 57, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Mar 1, 1998, 5:04 AM EST for Manatee County, Sarasota County, Florida. It was in force for 61 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
- Mar 1, 1998, 5:04 AM EST (10:04 UTC)
- Expired
- Mar 1, 1998, 6:05 AM EST
- In force
- 61 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
Counties Manatee County, FL, Sarasota County, FL
The radar
The Tampa radar (KTBW), 42 km from the middle of the area, began a volume at 10:08 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, 5:20 AM EST | Hail 0.75 | Sarasota, FL | Dime sized hail was reported by the Sarasota County Emergency Management. |
| Mar 1, 5:45 AM EST | Thunderstorm Wind | Bradenton, FL | Thunderstorm winds downed several large trees in the city of Bradenton. |
| Mar 1, 5:45 AM EST | Thunderstorm Wind | Sarasota, FL | Thunderstorm winds downed several large trees in the city of Sarasota. |
| Mar 1, 6:00 AM EST | Tornado F1 | Sarasota, FL | A tornado touched down at the Tuttle Elementary School at Brink Avenue north of County Road 780 (Fruitville Road) in Sarasota and severely damaged six classrooms, a portion of a portable dining room, downed a concrete wall and reduced a pavilion to a pile of r |
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, 10.1 hours before the alert went out and 42 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Mar 1, 3:20 AM EST, 1 hour 44 minutes earlier.
Area forecast discussion, Mar 1, 3:20 AM EST, 1 hour 44 minutes before
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Special weather statement, Feb 28, 11:43 PM EST, 5 hours 21 minutes before
FLZ042-043-048-049-010545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1143 PM EST SAT FEB 28 1998 ...TORNADO WATCH CANCELLED FOR CITRUS...SUMTER...HERNANDO... AND PASCO COUNTIES... THE LINE OF THUNDERSTORMS HAS MOVED TO A POSIITON FROM ORLANDO TO ST. PETERSBURG. THE THREAT FOR TORNADOES IS NOW SOUTH OF CITRUS...SUMTER ...HERNANDO...AND PASCO COUNTIES.
Special weather statement, Mar 1, 1:50 AM EST, 3 hours 14 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>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, 5:29 AM EST | Tornado Warning | TBW | Manatee | 31 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
Severe Thunderstorm Warnings in Florida, 1998Every severe thunderstorm warning 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.