Alert archive / Florida / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 8, NWS Tampa Bay, FL

February 2, 1998Pasco County, Pinellas County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 2, 1998, 7:12 PM EST for Pasco County, Pinellas County, Florida. It was in force for 48 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
Feb 2, 1998, 7:12 PM EST (00:12 UTC)
Expired
Feb 2, 1998, 8:00 PM EST
In force
48 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

Counties Pasco County, FL, Pinellas County, FL

The radar

The Tampa radar (KTBW), 48 km from the middle of the area, began a volume at 00:12 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

TimeReportWhereRemark
Feb 2, 7:20 PM ESTThunderstorm WindIndian Rocks Beach, FLThunderstorm winds caused minor to moderate damage to a few homes and downed a few trees in Indian Rocks Beach and Belleair Beach. A cable television meteorologist estimated winds from the thunderstorm to be between 65 and 70 mph while he conducted an outdoor
Feb 2, 7:40 PM ESTThunderstorm WindNew Port Richey, FLThunderstorm winds snapped several power poles and downed trees in New Port Richey.
Feb 2, 7:45 PM ESTTornado F0Dade City, FLA short-lived tornado touched down along State Road 52 near San Antonio and caused minor roof damage to a few homes before it lifted and dissipated. Several large tree limbs were also snapped by the brief tornado.
Feb 2, 7:46 PM ESTThunderstorm Wind 56Hudson, FLA Skywarn Spotter reported a wind gust of 64 mph and several downed large branches.

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.

IssuedProductOfficeLasted
Feb 2, 2:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 0.2 hours before the alert went out and 48 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-pSkew-T log-p diagram, Tampa Bay, FL at 00:00Z on 1998-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 1998-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
62 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
537 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
592 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 2, 11:17 AM EST, 7 hours 55 minutes earlier.

Area forecast discussion, Feb 2, 11:17 AM EST, 7 hours 55 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1115  AM EST MON FEB 2 1998

SFC ANALYSIS THIS MORNING PLACES LOW CNTR CENTRAL GULF WITH TWO
BOUNDARIES EXTENDING ACROSS STATE. 88-D/LTG DATA  INDICATES LARGE AREA
TSTMS HANGING OFF WEST COAST OF FA.

WILL UPDATE ZONES MAINLY TO CLEANUP HI LITES .

SUGGESTIONS...FEEL COASTAL FLOOD WATCH SHOULD BE CONSIDERED FOR
TONITE AND  TUE FOR TBWS CWA FROM TARPON SPRINGS NORTH TO CEDAR
KEY...I.E.  PASCO...HERNANDO...CITRUS...AND LEVY COUNTIES.

09

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 2, 7:28 PM ESTTornado WarningTBWPasco32 min
Feb 2, 8:24 PM ESTTornado WarningTBWPinellas36 min
Feb 2, 8:37 PM ESTTornado WarningTBWHillsborough, Pasco48 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.