Alert archive / Florida / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 37, NWS Tampa Bay, FL

February 22, 1998Levy County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 22, 1998, 1:59 PM EST for Levy 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: Feb 22, 1998, 1:59 PM EST (18:59 UTC)
Expired: Feb 22, 1998, 2:30 PM EST
In force: 31 min
Issued by: NWS Tampa Bay, FL
Area: Whole counties

County Levy County, FL

What was reported inside it

Time	Report	Where	Remark
Feb 22, 2:07 PM EST	Hail 0.75	Bronson, FL	Dime sized hail was reported by a Skywarn Spotter along County Road 337.

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 22, 8:30 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 7.0 hours before the alert went out and 171 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1448 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 270 m²/s²
0-3 km storm-relative helicity: 371 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Feb 22, 9:40 AM EST, 4 hours 19 minutes earlier.

Area forecast discussion, Feb 22, 9:40 AM EST, 4 hours 19 minutes before

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In the hours before

Special weather statement, Feb 22, 10:10 AM EST, 3 hours 49 minutes before

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Nearby

Severe Thunderstorm Warnings in Florida, 1998 Every 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.