Alert archive / Alabama / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 66

March 3, 200020 counties in Alabama; Harris County, Georgia; 7 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Mar 3, 2000, 5:30 PM CST for 20 counties in Alabama; Harris County, Georgia; 7 counties in Mississippi. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Mar 3, 2000, 5:30 PM CST (23:30 UTC)
Expired: Mar 3, 2000, 10:00 PM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 28 counties

Autauga County, AL, Bullock County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Crenshaw County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Hale County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Washington County, AL, Wilcox County, AL, Harris County, GA, Clarke County, MS, Forrest County, MS, Greene County, MS, Jones County, MS, Lamar County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 129 km from the middle of the area, began a volume at 23:31 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

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

Issued	Product	Office	Counties	Lasted
Mar 3, 5:31 PM CST	Tornado Warning	BMX	Autauga, Dallas	44 min
Mar 3, 5:31 PM CST	Tornado Warning	BMX	Perry	44 min
Mar 3, 5:36 PM CST	Tornado Warning	BMX	Lowndes	24 min
Mar 3, 5:46 PM CST	Tornado Warning	BMX	Montgomery	44 min
Mar 3, 5:46 PM CST	Tornado Warning	MOB	Greene, Perry	44 min
Mar 3, 5:54 PM CST	Tornado Warning	MOB	Washington	51 min
Mar 3, 6:10 PM CST	Tornado Warning	BMX	Autauga	35 min
Mar 3, 6:20 PM CST	Severe Thunderstorm Warning	MOB	Wilcox	40 min
Mar 3, 6:21 PM CST	Severe Thunderstorm Warning	MOB	Perry	39 min
Mar 3, 6:25 PM CST	Tornado Warning	BMX	Montgomery	35 min
Mar 3, 6:43 PM CST	Tornado Warning	BMX	Autauga	17 min
Mar 3, 6:44 PM CST	Tornado Warning	MOB	Washington	31 min
Mar 3, 6:54 PM CST	Severe Thunderstorm Warning	BMX	Elmore	51 min
Mar 3, 6:58 PM CST	Severe Thunderstorm Warning	BMX	Montgomery	47 min
Mar 3, 7:02 PM CST	Tornado Warning	BMX	Dallas	28 min
Mar 3, 7:35 PM CST	Severe Thunderstorm Warning	JAN	Lamar	25 min
Mar 3, 7:50 PM CST	Tornado Warning	MOB	Escambia	40 min

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.5 hours before the alert went out and 184 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2419 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 150 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.

523 
WWUS9 KMKC 032313
SEL6  

SEL6  
MKC WW 032313
ALZ000-MSZ000-040400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 66
STORM PREDICTION CENTER NORMAN OK
513 PM CST FRI MAR 3 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   CENTRAL AND SOUTHERN ALABAMA                            
   SOUTHEAST MISSISSIPPI                        

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1000
PM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 90 STATUTE MILES
EAST AND WEST OF A LINE FROM 125 MILES SOUTHWEST OF SELMA ALABAMA
TO 40 MILES WEST NORTHWEST OF AUBURN ALABAMA.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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.

DISCUSSION...LARGE UNIDIRECTIONAL WIND PROFILES LIKELY TO REMAIN
FAVORABLE FOR SUPERCELLS THIS EVENING IN EXIT REGION OF WLY LOW
LEVEL JET.  INITIATION ZONE SHOULD REMAIN CONCENTRATED ALONG LOW
LEVEL JET AXIS AHEAD OF COLD FRONT/DRY LINE.  MAIN THREAT SHOULD BE
LARGE HAIL GIVEN LIMITED DEGREE OF NEAR-SURFACE VEERING.  

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.  MEAN STORM
MOTION VECTOR 26040.

...CORFIDI

310,0895 324,0873 324,0843 310,0865

Nearby

Severe Thunderstorm Watches in Alabama, 2000 Severe Thunderstorm Watches in Mississippi, 2000 Severe Thunderstorm Watches in Georgia, 2000 Every severe thunderstorm watch in 2000

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.