Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 45, NWS Tampa Bay, FL

March 19, 1998Manatee County, Florida

NWS Tampa Bay, FL issued this tornado warning at Mar 19, 1998, 1:41 PM EST for Manatee County, Florida. It was in force for 49 min. 2 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 19, 1998, 1:41 PM EST (18:41 UTC)
Expired
Mar 19, 1998, 2:30 PM EST
In force
49 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 18:42 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
Mar 19, 1:55 PM ESTTornado F1Myakka City, FLA short lived tornado destroyed a mobile home and six to seven barns at the Charlotte Horse Ranch on State Road 70 near Myakka City. A 23 year-old man was injured and his cat killed when the tornado destroyed there mobile home and pickup truck.
Mar 19, 2:00 PM ESTThunderstorm WindMyakka City, FLThunderstorm winds estimated at 60 to 70 mph by the public caused minor roof and shingle damage to a few homes and downed a few large trees and several large branches in Myakka City.

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 nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 6.7 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 1998-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 1998-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -68 square meters per square second.19395878Sfc1 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
31 J/kg
Mixed-layer CIN
-229 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-68 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

563 
WFUS1 KTBW 191842
TORTBW
FLC081-191930-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
141 PM EST THU MAR 19 1998

THE NATIONAL WEATHER SERVICE HAS ISSUED A...TORNADO WARNING
EFFECTIVE UNTIL 230 PM EST FOR

...EAST CENTRAL AND EASTERN MANATEE COUNTY


AT 138 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR IN RUSKIN
INDICATED A LINE OF THUNDERSTORMS FROM NEAR DUETE TO 675 AND STATE
ROAD 70. RADAR INDICATED TO DEVELOPING TORNADOES...ONE ABOUT 5 MILES
SOUTHWEST OF DUETE...THE SECOND ALONG THE SARASTOA COUNTY LINE NEAR
STATE ROAD 70. THE STORMS ARE MOVING NORTHEAST AT 20 MPH.

 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.

IssuedProductOfficeCountiesLasted
Mar 19, 9:30 AM ESTSevere Thunderstorm WarningTBWPasco, Pinellas60 min
Mar 19, 12:27 PM ESTTornado WarningTBWManatee48 min
Mar 19, 2:06 PM ESTSevere Thunderstorm WarningTBWHardee59 min
Mar 19, 2:11 PM ESTSevere Thunderstorm WarningTBWDeSoto59 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.