Alert archive / Florida / Tornado Warnings in 1993
Tornado Warning 5, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Mar 12, 1993, 11:38 PM EST for Pasco County, Pinellas County, Florida. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Mar 12, 1993, 11:38 PM EST (04:38 UTC)
- Expired
- Mar 13, 1993, 12:15 AM EST
- In force
- 37 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
Counties Pasco County, FL, Pinellas County, FL
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 4.6 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTBW 130438 TORTBW FLC101-103-130515- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 1138 PM EST FRI MAR 12 1993 THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1215 AM EST FOR PEOPLE...S... IN WEST CENTRAL FLORIDA ...PASCO COUNTY...PINELLAS COUNTY AND ADJACENT COASTAL WATERS INCLUDING THE BAY AND INLAND WATERS A TORNADO WAS INDICATED BY RADAR NEAR THE TARPON SPRINGS / NEW PORT RICHEY AREA. THE TORNADO WAS MOVING TO THE NORTHEAST AT 40 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
Special weather statement, Mar 12, 9:39 PM EST, 1 hour 59 minutes before
FLZ006-008>021-130335-
SPECIAL WEATHER STATEMENT AND MARINE WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
935 PM EST FRI MARCH 12 1993
... TORNADO WATCH IN EFFECT FOR LEVY COUNTY AND THE ADJACENT COASTAL
WATERS UNTIL 4 AM EST...
AT 930 PM EST... RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 100
MILES WEST OF BAYPORT... TO 120 MILES OFFSHORE OF VENICE. THE LINE WAS
MOVING EAST AT 65 TO 70 MILES AN HOUR. THESE DANGEROUS THUNDERSTORMS
WILL BE APPROACHING THE COASTAL WATERS OF WEST FLORIDA BY 1030 PM.
DUE TO THE RAPID MOVEMENT OF THESE STORMS... BOATERS SHOULD SEEK SAFE
HARBOR IMMEDIATELY AND PLAN TO STAY IN PORT FOR TONIGHT AND SATURDAY.
rELSEWHERE... A LARGE AREA OF RAIN WAS OVER THE NORTHEAST GULF FROM NEAR
APALACHEE BAY... TO NEAR CEDAR KEY.
THIS ACTIVITY WAS MOVING NORTH AT 40 TO 45 MILES AN HOUR.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, 11:54 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, 12:43 AM EST | Tornado Warning | TBW | Manatee | 47 min |
| 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, 1993Every tornado warning in 1993Tornadoes 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.