Alert archive / Florida / Tornado Warnings in 1999

Tornado Warning 9, NWS Tallahassee, FL

March 9, 1999Gulf County, Florida

NWS Tallahassee, FL issued this tornado warning at Mar 9, 1999, 9:13 AM CST for Gulf County, Florida. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 9, 1999, 9:13 AM CST (15:13 UTC)
Expired
Mar 9, 1999, 10:15 AM CST
In force
62 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Gulf County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.2 hours before the alert went out and 107 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, Tallahassee Rgnl, FL at 12:00Z on 1999-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tallahassee Rgnl, FL at 12:00Z on 1999-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 563 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
563 m²/s²
0-3 km storm-relative helicity
717 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.

999 
WFUS1 KTLH 091512 RRA
TORTLH
FLC045-091615-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1013 AM EST TUE MAR 9 1999

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN GULF COUNTY IN NORTHWESTERN FLORIDA

* UNTIL 1115 AM EST

* AT 1008 AM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A WATERSPOUT 15 MILES WEST OF CAPE SAN BLAS...
  MOVING EAST AT 25 MPH.  THIS WATERSPOUT IS EXPECTED TO MOVE
  ONSHORE AS A TORNADO.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
  CAPE SAN BLAS              BY 1035 AM EST


IF YOU ARE IN THE PATH OF THIS TORNADO...EVACUATE YOUR MOBILE HOME
FOR A REINFORCED SHELTER.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 3:55 AM CSTSevere Thunderstorm WarningTAEWalton30 min
Mar 9, 4:40 AM CSTSevere Thunderstorm WarningTAEWalton45 min
Mar 9, 5:10 AM CSTSevere Thunderstorm WarningTAEWashington45 min

Nearby

Tornado Warnings in Florida, 1999Every tornado warning in 1999Tornadoes in 1999

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.