Alert archive / Alabama / Tornado Warnings in 2001

Tornado Warning 9, NWS Mobile, AL

March 12, 2001Wilcox County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 12, 2001, 10:49 AM CST for Wilcox County, Alabama. It was in force for 26 min. No storm report in the archive falls 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.

The facts

Issued: Mar 12, 2001, 10:49 AM CST (16:49 UTC)
Expired: Mar 12, 2001, 11:15 AM CST
In force: 26 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Wilcox County, AL

The radar

The Birmingham radar (KBMX), 125 km from the middle of the area, began a volume at 16:51 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.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 4.8 hours before the alert went out and 125 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: 18 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 625 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 397 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.

000 
WFUS54 KMOB 121649
TORMOB
ALC131-121715-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1049 AM CST MON MAR 12 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  WILCOX COUNTY IN SOUTHWEST ALABAMA

* UNTIL 1115 AM CST

* AT 1043 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 3 MILES SOUTHWEST OF PRAIRIE...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEXAR...
  BOYKIN BY 1100 AM CST

IF YOU ARE IN THE PATH OF A TORNADO...ABANDON VEHICLES AND TRAILER
HOMES AND SEEK A REINFORCED SHELTER UNTIL THE STORM HAS PASSED.

LAT...LON 3222 8753 3204 8752 3205 8706 3226 8708

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 1:58 AM CST	Severe Thunderstorm Warning	MOB	Mobile	32 min
Mar 12, 2:31 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	44 min
Mar 12, 5:38 AM CST	Severe Thunderstorm Warning	MOB	Washington	37 min
Mar 12, 6:09 AM CST	Severe Thunderstorm Warning	MOB	Monroe	36 min
Mar 12, 6:16 AM CST	Severe Thunderstorm Warning	MOB	Clarke	29 min
Mar 12, 6:35 AM CST	Severe Thunderstorm Warning	MOB	Conecuh	25 min
Mar 12, 9:19 AM CST	Severe Thunderstorm Warning	MOB	Choctaw	26 min
Mar 12, 10:10 AM CST	Severe Thunderstorm Warning	MOB	Choctaw	50 min
Mar 12, 10:29 AM CST	Tornado Warning	MOB	Choctaw	31 min
Mar 12, 10:52 AM CST	Severe Thunderstorm Warning	MOB	Washington	33 min
Mar 12, 10:57 AM CST	Tornado Warning	MOB	Choctaw	18 min
Mar 12, 11:05 AM CST	Tornado Warning	MOB	Washington	10 min
Mar 12, 11:11 AM CST	Severe Thunderstorm Warning	MOB	Mobile	34 min
Mar 12, 11:27 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	33 min
Mar 12, 11:40 AM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Escambia, Monroe, Wilcox	65 min
Mar 12, 11:44 AM CST	Severe Thunderstorm Warning	MOB	Mobile	31 min
Mar 12, 12:08 PM CST	Flash Flood Warning	MOB	Mobile	2 hr
Mar 12, 12:26 PM CST	Severe Thunderstorm Warning	MOB	Mobile	34 min
Mar 12, 12:40 PM CST	Severe Thunderstorm Warning	MOB	Covington, Crenshaw	50 min
Mar 12, 12:47 PM CST	Severe Thunderstorm Warning	MOB	Escambia	13 min
Mar 12, 12:47 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	43 min
Mar 12, 12:49 PM CST	Severe Thunderstorm Warning	MOB	Butler	41 min
Mar 12, 1:35 PM CST	Severe Thunderstorm Warning	MOB	Covington	10 min

Nearby

Tornado Warnings in Alabama, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.