Alert archive / Florida / Tornado Warnings in 1991
Tornado Warning 9, NWS Tallahassee, FL
NWS Tallahassee, FL issued this tornado warning at May 12, 1991, 5:10 PM CDT for Okaloosa County, Florida. It was in force for 50 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
- May 12, 1991, 5:10 PM CDT (22:10 UTC)
- Expired
- May 12, 1991, 6:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Okaloosa County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 12, 5:20 PM CDT | Thunderstorm Wind 0 | Okaloosa, FL |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Apalachicola Mun, FL (KAQQ), launched 12:00Z, 10.2 hours before the alert went out and 185 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
- 406 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 749 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPNS 122213 TORPNS FLC091-122300- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PENSACOLA FL 510 PM CDT SUN MAY 12 1991 THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST FLORIDA ...OKALOOSA COUNTY A TORNADO HAS BEEN SPOTTED AROUND 510 PM CDT NEAR CRESTVIEW AND WAS MOVING SOUTH AT 15 MILES AN HOUR. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
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, May 12, 1:42 PM CDT, 3 hours 28 minutes before
FLZ003-004-121940- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FL 235 PM EDT SUN MAY 12 1991 AT 225 PM EDT...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN GULF AND FRANKLIN COUNTIES AND ADJACENT COASTAL WATERS. THESE THUNDERSTORMS CAN BE ASSOCIATED WITH VERY HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT LIGHTING. PERSONS IN THE VICINITY OF THESE STORMS SHOULD SEEK SHELTER IF NECESSARY. MARINE INTERESTS TAKE SPECIAL NOTE AND MOVE TO SAFETY FROM THESE STORMS. MOVEMENT WAS TO THE SOUTHEAST AT 5 MILES AN HOUR.
Special weather statement, May 12, 2:40 PM CDT, 2 hours 30 minutes before
FLZ003-004-122040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FL 335 PM EDT SUN MAY 12 1991 AT 325 PM EDT...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN GULF AND FRANKLIN COUNTIES AND ADJACENT COASTAL WATERS. THESE THUNDERSTORMS CAN BE ASSOCIATED WITH VERY HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT LIGHTING. PERSONS IN THE VICINITY OF THESE STORMS SHOULD SEEK SHELTER IF NECESSARY. MARINE INTERESTS TAKE SPECIAL NO!TE AND MOVE TO SAFETY FROM THESE STORMS. MOVEMENT WAS TO THE SOUTHEAST AT 5 MILES AN HOUR.
Special weather statement, May 12, 3:37 PM CDT, 1 hour 33 minutes before
FLZ003-004-122140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FL 435 PM EDT SUN MAY 12 1991 AT 425 PM EDT...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN GULF AND WEST FRANKLIN COUNTIES AND ADJACENT COASTAL WATERS. THESE THUNDERSTORMS CAN BE ASSOCIATED WITH VERY HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT LIGHTING. PERSONS IN THE VICINITY OF THESE STORMS SHOULD SEEK SHELTER IF NECESSARY. MARINE INTERESTS TAKE SPECIlAL NOTE AND MOVE TO SAFETY FROM THESE STORMS. MOVEMENT WAS TO THE SOUTHEAST AT 5 MILES AN HOUR.
Special weather statement, May 12, 4:36 PM CDT, 34 minutes before
FLZ003-004-122240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FL 535 PM EDT SUN MAY 12 1991 AT 525 PM EDT...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN GULF AND FRANKLIN COUNTIES AND ADJACENT COASTAL WATERS. THESE THUNDERSTORMS CAN BE ASSOCIATED WITH VERY HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT LIGHTING. PERSONS IN THE VICINITY OF THESE STORMS SHOULD SEEK SHELTER IF NECESSARY. MARINE INTERESTS TAKE SPECIAL NOTE AND MOVE TO SAFETY FROM THESE STORMS. MOVEMENT WAS TO THE SOUTH AT 3 MILES AN HOUR.
Nearby
Tornado Warnings in Florida, 1991Every tornado warning in 1991Tornadoes in 1991
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.