Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 9, NWS Mobile, AL

January 9, 2000Choctaw County, Marengo County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 9, 2000, 9:15 PM CST for Choctaw County, Marengo County, Alabama. It was in force for 75 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jan 9, 2000, 9:15 PM CST (03:15 UTC)
Expired: Jan 9, 2000, 10:30 PM CST
In force: 75 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Choctaw County, AL, Marengo County, AL

What was reported inside it

Time	Report	Where	Remark
Jan 9, 9:20 PM CST	Thunderstorm Wind 50 E	Butler, AL	Trees and power lines were blown down just west of Butler.
Jan 9, 9:25 PM CST	Hail 0.75	Naheola, AL	Dime size hail was reported.

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

Birmingham, AL (KBMX), launched 00:00Z, 3.3 hours before the alert went out and 164 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: 395 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 700 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 100320
SVRMOB
ALC023-091-100430-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
915 PM CST SUN JAN 9 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CHOCTAW COUNTY IN ALABAMA
  NORTHWESTERN MARENGO COUNTY IN ALABAMA
  THIS INCLUDES THE CITIES OF...DEMOPOLIS...LINDEN

* UNTIL 1030 PM CST

* AT 906 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM NEAR PENNINGTON IN NORTHERN CHOCTAW COUNTY 
MOVING NORTHEAST AT 20 MPH. THE STORM WILL CONTINUE THROUGH 
NORTHEASTERN CHOCTAW COUNTY AND PUSH INTO NORTHWESTERN MARENGO 
COUNTY TOWARD THE CITY OF DEMOPOLIS OVER THE NEXT HALF HOUR.

DIME SIZED HAIL HAS BEEN REPORTED WITH THIS STORM. IF YOU ARE IN THE 
PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A 
SUBSTANTIAL SHELTER.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

6REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN MOBILE.

LAT...LON 3205 8843 3203 8815 3249 8752 3254 8783
          3230 8842

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 9, 9:31 PM CST	Flash Flood Warning	MOB	Choctaw	119 min
Jan 9, 10:39 PM CST	Severe Thunderstorm Warning	MOB	Choctaw	51 min
Jan 9, 11:01 PM CST	Severe Thunderstorm Warning	MOB	Marengo	59 min
Jan 9, 11:30 PM CST	Flash Flood Warning	MOB	Choctaw	2 hr
Jan 9, 11:32 PM CST	Severe Thunderstorm Warning	MOB	Wilcox	43 min
Jan 9, 11:52 PM CST	Severe Thunderstorm Warning	MOB	Butler	53 min
Jan 10, 12:24 AM CST	Severe Thunderstorm Warning	MOB	Mobile, Washington	36 min
Jan 10, 12:27 AM CST	Severe Thunderstorm Warning	MOB	Clarke	63 min
Jan 10, 12:40 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Monroe	50 min
Jan 10, 12:50 AM CST	Tornado Warning	MOB	Baldwin	40 min
Jan 10, 1:17 AM CST	Severe Thunderstorm Warning	MOB	Conecuh	43 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.