Alert archive / Florida / Tornado Warnings in 1997

Tornado Warning 48, NWS Mobile, AL

November 1, 1997Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Nov 1, 1997, 12:59 PM CST for Okaloosa County, Florida. It was in force for 46 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: Nov 1, 1997, 12:59 PM CST (18:59 UTC)
Expired: Nov 1, 1997, 1:45 PM CST
In force: 46 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Okaloosa County, FL

What was reported inside it

Time	Report	Where	Remark
Nov 1, 12:59 PM CST	Thunderstorm Wind 50	Holt, FL	Several trees were blown down near the community of Holt.

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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 7.0 hours before the alert went out and 22 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: 1154 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 625 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 011900 RRA
TORMOB
FLC091-011945-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1259 PM CST SAT NOV 1 1997
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  145 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST FLORIDA
 
   ...OKALOOSA COUNTY
 
 
 
 
AT 1257 PM CST...NWS DOPPLER WEATHER RADAR INDICATED A TORNADIC
THUNDERSTORM ABOUT 10 MILES SOUTHEAST OF HOLT FLORIDA. THE TORNADO WAS
MOVING EAST-NORTHEAST AT 35 MPH AND WILL MOVE TO THE WALTON-OKALOOSA
BORDER BY 130 PM CST.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOFT AND COVER YOUR HEAD WITH YOUR HANDS.
 
 
 
&

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 1, 11:13 AM CST	Tornado Warning	MOB	Escambia, Santa Rosa	62 min
Nov 1, 12:14 PM CST	Tornado Warning	MOB	Okaloosa, Santa Rosa	46 min

Nearby

Tornado Warnings in Florida, 1997 Every tornado warning in 1997 Tornadoes in 1997

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.