Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 7, NWS Tampa Bay, FL

March 13, 1993Manatee County, Florida

NWS Tampa Bay, FL issued this tornado warning at Mar 13, 1993, 12:43 AM EST for Manatee County, Florida. It was in force for 47 min.

The area

The counties it named.

The facts

Issued: Mar 13, 1993, 12:43 AM EST (05:43 UTC)
Expired: Mar 13, 1993, 1:30 AM EST
In force: 47 min
Issued by: NWS Tampa Bay, FL
Area: Whole counties

County Manatee County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 5.7 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-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: 645 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1480 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTBW 130545
TORTBW
FLC081-130630-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
1243 AM EST SAT MAR 13 1993
 
THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  130 AM EST
FOR PEOPLE......
 
IN WEST CENTRAL FLORIDA
 
   ...MANATEE COUNTY
 
AND ADJACENT COASTAL WATERS
INCLUDING THE BAY AND INLAND WATERS
 
A TORNADO WAS INDICATED BY RADAR NEAR BRADENTON. THE SUSPECTED TORNADO
WAS MOVING TO THE NORTHEAST AT 40 TO 50  MPH.
 
IF YOU ARE IN THE PATH OF A TORNADO MOVE TO A REINFORCED SHELTER
TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. AVOID WINDOWS.
IF YOU ARE CAUGHT IN THE OPEN...GET INTO A DITCH OR CULVERT.
 
THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY!

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Mar 13, 12:11 AM EST, 32 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1211 AM EST SAT MAR 13 1993

DATE   TIME       LOCATION/EVENT
3/13   0011 EST   HILLSBOROUGH COUNTY, TAMPA
                  MEASURED WIND GUST TOR 85 MPH.
                  REPORTED BY WTVT-TV METEOROLOGIST.

Local storm report, Mar 13, 12:17 AM EST, 26 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1214 AM EST SAT MAR 13 1993

DATE   TIME       LOCATION/EVENT
3/13   0014 EST   PINELLAS COUNTY, TARPON SPRINGS
                  TORNADO REPORTED VICINTY OF BOY SCOUT BOULEVARD
                  REPORTED BY PINELLAS COUNTY EOC.

3/13   0015 EST   HILLSBOURGH COUNTY, TAMPA INTL AIRPORT
                  FUNNEL CLOUD SIGHTED W OF TPA HAIL 0.75 INCHES
                  WIND GUST TO 75 MPH. REhPORTED BY SKYWARN

Local storm report, Mar 13, 12:23 AM EST, 20 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1219 AM EST SAT MAR 13 1993

DATE   TIME       LOCATION/EVENT
3/13   0014 EST   HILLSBOROUGH COUNTY, PORT OF TAMPA
                  WIND GUST TO 65 KNOTS REPORTED BY NOS PORTS

3/13   0009 EST   HILLSBOURGH COUNTY, TAMPA
                  WIND GUST MEASUERED TO 95 MPH.
                  REPORTED BY WTVT-TV METEOROLOGIST

3/13   0000 EST   SARASOTA COUNTY, SARASOTA
                  WIND GUST TO 66 MPH REPORTED AT SARASOTA EOC.
       0020 EST   WIND GUST TO 59 MPH REPORTED AT SARSOTA EOC.

Local storm report, Mar 13, 12:33 AM EST, 10 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1232 AM EST SAT MAR 13 1993

DATE   TIME       LOCATION/EVENT
3/13   0025 EST   HILLSBOROUGH COUNTY, RUSKIN
                  WIND DAMAGE AT WSO TBW INFLATION SHELTER DOORS
                  BLOWN IN.

Local storm report, Mar 13, 12:35 AM EST, 8 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1234 AM EST SAT MAR 13 1993

DATE   TIME       LOCATION/EVENT
3/13   0025 EST   HILLSBOROUGH COUNTY, RUSKIN
                  WIND DAMAGE AT WSO TBW INFLATION SHELTER DOORS
                  BLOWN IN.

3/13   0034 EST   HILLSBOROUGH COUNTY, 4S TBW
                  MEASURED WIND GUST TO 75 MPH. REPORTED BY
                  WTVT-TV SPOTTER

Local storm report, Mar 13, 12:38 AM EST, 5 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1237 AM EST SAT MAR 13 1993

DATE   TIME       LOCATION/EVENT
3/13   0025 EST   HERNANDO COUNTY, NE OF BROOKSVILLE
                  TORNADO REPORTED BY COUNTY EOC. DAMAGE AND INJURIES
                  UNKNOWN ATTM.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 10:50 PM EST	Severe Thunderstorm Warning	TBW	Citrus, Hernando, Levy	115 min
Mar 12, 10:50 PM EST	Severe Thunderstorm Warning	TBW	Hillsborough, Pasco, Pinellas	115 min
Mar 12, 10:50 PM EST	Severe Thunderstorm Warning	TBW	Manatee	115 min
Mar 12, 11:22 PM EST	Severe Thunderstorm Warning	TBW	Sarasota	101 min
Mar 12, 11:38 PM EST	Tornado Warning	TBW	Pasco, Pinellas	37 min
Mar 12, 11:54 PM EST	Severe Thunderstorm Warning	TBW	Sumter	61 min
Mar 12, 11:54 PM EST	Severe Thunderstorm Warning	TBW	Polk	2 hr
Mar 13, 12:08 AM EST	Tornado Warning	TBW	Hillsborough	52 min
Mar 13, 12:23 AM EST	Severe Thunderstorm Warning	TBW	Charlotte, DeSoto, Lee	2 hr
Mar 13, 12:23 AM EST	Severe Thunderstorm Warning	TBW	Hardee	2 hr
Mar 13, 1:34 AM EST	Severe Thunderstorm Warning	TBW	Highlands	116 min
Mar 13, 1:37 AM EST	Severe Thunderstorm Warning	TBW	Sarasota	2 hr
Mar 13, 1:52 AM EST	Severe Thunderstorm Warning	TBW	Polk	2 hr
Mar 13, 2:31 AM EST	Severe Thunderstorm Warning	TBW	Charlotte, DeSoto, Lee	119 min
Mar 13, 3:30 AM EST	Severe Thunderstorm Warning	TBW	Highlands	60 min
Mar 13, 3:56 AM EST	Tornado Warning	TBW	Sarasota	34 min

Nearby

Tornado Warnings in Florida, 1993 Every tornado warning in 1993 Tornadoes in 1993

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.