Alert archive / Alabama / Tornado Watches in 1997

Tornado Watch 60

February 21, 199736 counties in Alabama; 6 counties in Florida; Harris County, Muscogee County, Troup County, Georgia

The Storm Prediction Center issued this tornado watch at Feb 21, 1997, 9:15 AM CST for 36 counties in Alabama; 6 counties in Florida; Harris County, Muscogee County, Troup County, Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Feb 21, 1997, 9:15 AM CST (15:15 UTC)
Expired
Feb 21, 1997, 2:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 45 counties

Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Chambers County, AL, Chilton County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Geneva County, AL, Greene County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Russell County, AL, Tallapoosa County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Holmes County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Harris County, GA, Muscogee County, GA, Troup County, GA

The radar

The Mobile radar (KMOB), 133 km from the middle of the area, began a volume at 15:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Warnings issued inside it

15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 21, 9:22 AM CSTSevere Thunderstorm WarningBMXAutauga38 min
Feb 21, 9:24 AM CSTSevere Thunderstorm WarningMOBMobile, Washington66 min
Feb 21, 9:35 AM CSTSevere Thunderstorm WarningMOBClarke55 min
Feb 21, 9:38 AM CSTSevere Thunderstorm WarningBMXLowndes52 min
Feb 21, 9:57 AM CSTSevere Thunderstorm WarningBMXAutauga33 min
Feb 21, 10:03 AM CSTSevere Thunderstorm WarningMOBMonroe42 min
Feb 21, 10:11 AM CSTSevere Thunderstorm WarningMOBWilcox64 min
Feb 21, 10:12 AM CSTTornado WarningBMXCoosa, Elmore48 min
Feb 21, 10:19 AM CSTTornado WarningBMXMontgomery41 min
Feb 21, 10:36 AM CSTSevere Thunderstorm WarningBMXLowndes39 min
Feb 21, 10:45 AM CSTSevere Thunderstorm WarningBMXTallapoosa45 min
Feb 21, 10:50 AM CSTSevere Thunderstorm WarningMOBMobile55 min
Feb 21, 10:57 AM CSTTornado WarningBMXMontgomery48 min
Feb 21, 11:01 AM CSTTornado WarningBMXElmore29 min
Feb 21, 11:15 AM CSTSevere Thunderstorm WarningBMXChambers, Lee45 min

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 3.3 hours before the alert went out and 111 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, Eglin AFB/Valpar, FL at 12:00Z on 1997-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 173 joules per kilogram.LCLLFCEL10008507005003002001001 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, Eglin AFB/Valpar, FL at 12:00Z on 1997-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 287 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
173 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
287 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

629 
WWUS9 KMKC 211450 COR
SEL0  
MKC WW 211450 COR
ALZ000-FLZ000-212000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 60
STORM PREDICTION CENTER NORMAN OK
850 AM CST FRI FEB 21 1997

A...THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR

MUCH OF CENTRAL AND SOUTHERN OF ALABAMA
PARTS OF THE FLORIDA PANHANDLE
AND ADJACENT COASTAL WATERS

EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON UNTIL 200 PM CST.

TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING
THUNDERSTORM WINDS ARE POSSIBLE IN THESE AREAS.


THE TORNADO WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST
OF A LINE FROM 20 MILES SOUTH SOUTHEAST OF PENSACOLA FLORIDA TO 55
MILES EAST NORTHEAST OF CENTREVILLE ALABAMA.

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.

B..OTHER WATCH INFORMATION.. THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 55.  WATCH NUMBER 55 WILL NOT BE IN EFFECT AFTER 915
AM CST.
$$

C...TORNADOES AND A FEW SVR TSTMS WITH HAIL SFC AND ALF TO 1
INCHES.  EXTRM TURBC AND SFC WIND GUSTS TO 70 KNOTS.  A FEW CBS
WITH MAX TOPS TO 480.  MEAN WIND VECTOR 23045.

D...INTS PRE-FNTL SQLN CONTS MOVG EWD ACRS REGION. SEVERAL SMALL
SCALE BOW ECHOES ARE EVIDENT. AMS IS ONLY MRGLY UNSTBL BUT
FAVORABLE VERT WIND STRUCTURE WL MAINTAIN THREAT OF SVR TSTMS AND
ISOLD TRONADOES THRU THIS AFTN.

E...OTR TSTMS... THIS WATCH REPLACES..WW 55.. CONT..WW 57..WW
58..WW 59..

...VESCIO

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 4:45 AM CSTTornado WatchSPCBibb, Choctaw, Clarke, Greene, Hale, Marengo and 3 more6 hr
Feb 21, 4:45 AM CSTTornado WatchSPCColbert, Cullman, Fayette, Franklin, Jefferson, Lamar and 11 more6 hr
Feb 21, 7:00 AM CSTTornado WatchSPCBlount, Calhoun, Cherokee, Clay, Cleburne, Cullman and 16 more5 hr
Feb 21, 12:00 PM CSTTornado WatchSPCBaldwin, Bibb, Bleckley, Butts, Carroll, Chattahoochee and 41 more6 hr
Feb 21, 2:00 PM CSTTornado WatchSPCBaldwin, Banks, Barrow, Bibb, Bleckley, Butts and 56 more5 hr
Feb 21, 4:00 PM CSTSevere Thunderstorm WatchSPCRichmond6 hr

Nearby

Tornado Watches in Alabama, 1997Tornado Watches in Florida, 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; radar from the NEXRAD Level II archive.