Alert archive / Florida / Tornado Watches in 1997

Tornado Watch 634

July 19, 199710 counties in Alabama; 16 counties in Florida; 8 counties in Georgia

The Storm Prediction Center issued this tornado watch at Jul 19, 1997, 7:00 AM CDT for 10 counties in Alabama; 16 counties in Florida; 8 counties in Georgia. It was in force for 12 hr.

The area

The outline as issued.

The facts

Issued
Jul 19, 1997, 7:00 AM CDT (12:00 UTC)
Expired
Jul 19, 1997, 7:00 PM CDT
In force
12 hr
Issued by
the Storm Prediction Center
All 34 counties

Baldwin County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Monroe County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Decatur County, GA, Early County, GA, Grady County, GA, Miller County, GA, Mitchell County, GA, Seminole County, GA, Thomas County, GA

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 0.0 hours before the alert went out and 267 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, Birmingham, AL at 12:00Z on 1997-07-19Temperature 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, Birmingham, AL at 12:00Z on 1997-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939Sfc1 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
1253 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
33 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.

713 
WWUS9 KMKC 191121
SEL4  
MKC WW 191121
FLZ000-GAZ000-ALZ000-200000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 634
STORM PREDICTION CENTER NORMAN OK
621 AM CDT SAT JUL 19 1997

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   FLORIDA PANHANDLE                          
   EXTREME SOUTHWEST GEORGIA                            
   SOUTHERN ALABAMA                            
   AND ADJACENT COASTAL WATERS

EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 700 AM UNTIL 700
PM CDT.

TORNADOES...THUNDERSTORM WIND GUSTS TO 85 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 45 MILES WEST NORTHWEST OF PENSACOLA FLORIDA
TO 35 MILES EAST NORTHEAST OF TALAHASSEE FLORIDA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 632.  WATCH NUMBER 632 WILL NOT BE IN EFFECT AFTER 700 AM
CDT.

DISCUSSION...THREAT FOR ISOLATED TORNADOES SHOULD CONTINUE TODAY IN
THE EASTERN SEMI-CIRCLE OF DANNY...WHICH IS NOW LOCATED OVER MOBILE
BAY. 


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 75 KNOTS.  A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 500.  MEAN STORM MOTION VECTOR 18020.


...VESCIO

314,0875 312,0834 293,0834 294,0875

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 9:00 PM CDTTornado WatchSPCBaldwin, Covington, Escambia, Geneva, Houston, Mobile12 hr

Nearby

Tornado Watches in Florida, 1997Tornado Watches in Alabama, 1997Tornado Watches in Georgia, 1997Every tornado watch 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; the sounding from the Mesonet's radiosonde archive.