Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 11, NWS Birmingham, AL

January 3, 2000Walker County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 3, 2000, 11:00 PM CST for Walker County, Alabama. It was in force for 50 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: Jan 3, 2000, 11:00 PM CST (05:00 UTC)
Expired: Jan 3, 2000, 11:50 PM CST
In force: 50 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Walker County, AL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 3, 5:15 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 5.0 hours before the alert went out and 84 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: 4 J/kg
Mixed-layer CIN: -193 J/kg
Mixed-layer LCL: 1052 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 383 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 040501
SVRBHM
ALC127-040550-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1100 PM CST MON JAN 3 2000

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED...A

* SEVERE THUNDERSTORM WARNING FOR...
  WALKER COUNTY...IN CENTRAL ALABAMA...

* UNTIL 1150 PM CST.

* AT 1058 PM CST... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM...
OVER WESTERN WALKER COUNTY NEAR JASPER...AND ANOTHER SEVERE
THUNDERSTORM MOVING INTO SOUTHERN WALKER COUNTY SOUTHWEST OF
GOODSPRINGS.  MOVEMENT WAS NORTHEAST AT 50 MPH.


GO INSIDE A STURDY BUILDING...AND STAY AWAY FROM WINDOWS! A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN...AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE...OR NO ADVANCE WARNING.

THIS THUNDERSTORM MAY PRODUCE WEAK... SHORT LIVED TORNADOES ALONG
ITS LEADING EDGE. HOWEVER... THE PRIMARY THREAT POSED BY THIS
THUNDERSTORM IS PARTICULARLY DAMAGING WINDS. QUICKLY SEEK SAFETY
IN A STU~RDY BUILDING AND STAY AWAY FROM WINDOWS. DO NOT REMAIN
OUTDOORS. TRUCKS AND OTHER HIGH-PROFILE VEHICLES ARE ESPECIALLY
SUSCEPTIBLE TO STRONG WINDS AND MAY BE BLOWN OFF THE ROAD.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 3, 3:36 PM CST, 7 hours 24 minutes earlier.

Area forecast discussion, Jan 3, 3:36 PM CST, 7 hours 24 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
300 PM CST MON JAN 3 2000

MODELS IN GENERAL AGREEMENT WITH FULL LATITUDE TROUGH MOVING ACROSS FA
THROUGH THE PERIOD WITH STRONG SHORT WAVES RIDING AROUND THE BASE.
STRONG SOUTHERLY WINDS HAVE PUMPED GULF MOISTURE ACROSS THE FA WITH DEW
POINTS INTO THE 60S AREAWIDE. LARGE SCALE LIFT...INCREASING WINDS AT
NEARLY ALL LEVELS...AND SHEAR/HELICITY VALUES SHOULD LEAD TO WATCH
ACROSS W AND NW AL BY THIS EVENING...WORDED ZONES FOR POSSIBLE SEVERE.
THE MODELS SLIGHTLY DIFFER ON THE INSTABILITY PARAMETERS AND HAVE NOT
HANDLED TO WELL PREVIOUS RUNS...BUT BELIEVE STRONG STORMS ARE POSSIBLE
AT LEAST AS FAR EAST AS I-65 AND N OF I-20 OVERNIGHT. FRONT SHOULD BE
NEAR A CHA-BHM-MOB LINE BY 12Z TUE. THEREFORE TEMPS A BIG PROBLEM. WENT
ABOVE MOS ON LOWS MOST PLACES. TEMPS SHOULD BE STEADY OR FALLING AS
STRONG COLD AIR ADVECTION MOVES IN BEHIND FRONT TUE.

PRELIM NUMBERS...
HSV EB 050/050 024/041 029 75+300
BHM EB 055/055 025/046 030 75+300
MGM WB 061/062 029/050 030 757600=

.BHM...NONE.

In the hours before

Special weather statement, Jan 3, 9:18 PM CST, 1 hour 42 minutes before

ALZ001>003-040350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
918 PM CST MON JAN 3 2000

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES...
IN ALABAMA

   ...LAUDEFRDALE... COLBERT... FRANKLIN

A COLD FRONT HAS MOVED THROUGH THE AREA AND THE THREAT OF SEVERE
WEATHER HAS ENDED.

Special weather statement, Jan 3, 10:11 PM CST, 49 minutes before

ALZ011-040430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1011 PM CST MON JAN 3 2000

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES...

IN ALABAMA

   ...MARION

THE COLD FRONT HAS MOVED EAST OF THE AREA AND THE SEVERE THREAT
HAS ENDED.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 3, 6:02 PM CST	Severe Thunderstorm Warning	BMX	Franklin, Marion	28 min
Jan 3, 6:37 PM CST	Severe Thunderstorm Warning	BMX	Colbert, Franklin	23 min
Jan 3, 6:44 PM CST	Severe Thunderstorm Warning	BMX	Hale, Tuscaloosa	31 min
Jan 3, 6:53 PM CST	Severe Thunderstorm Warning	BMX	Jackson, Madison	37 min
Jan 3, 9:38 PM CST	Severe Thunderstorm Warning	BMX	Limestone	32 min
Jan 3, 9:54 PM CST	Severe Thunderstorm Warning	BMX	Madison	46 min
Jan 3, 10:52 PM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	48 min
Jan 3, 11:56 PM CST	Severe Thunderstorm Warning	BMX	Jackson	34 min
Jan 4, 12:14 AM CST	Severe Thunderstorm Warning	BMX	Jefferson	46 min
Jan 4, 12:23 AM CST	Severe Thunderstorm Warning	BMX	Bibb	32 min
Jan 4, 12:41 AM CST	Severe Thunderstorm Warning	BMX	Perry	49 min
Jan 4, 1:10 AM CST	Severe Thunderstorm Warning	BMX	Bibb	35 min
Jan 4, 1:54 AM CST	Severe Thunderstorm Warning	BMX	Talladega	31 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2000 Every severe thunderstorm warning 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.