Alert archive / Alabama / Tornado Warnings in 2001

Tornado Warning 5, NWS Mobile, AL

February 25, 2001Marengo County, Alabama

NWS Mobile, AL issued this tornado warning at Feb 25, 2001, 1:37 AM CST for Marengo County, Alabama. It was in force for 23 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: Feb 25, 2001, 1:37 AM CST (07:37 UTC)
Expired: Feb 25, 2001, 2:00 AM CST
In force: 23 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Marengo 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
Feb 24, 11:15 PM CST	Tornado Watch	SPC	4 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.6 hours before the alert went out and 140 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: 19 J/kg
Mixed-layer CIN: -197 J/kg
Mixed-layer LCL: 599 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 356 m²/s²
0-3 km storm-relative helicity: 510 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 250738
TORMOB
ALC091-250800-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
137 AM CST SUN FEB 25 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 200 AM CST

* AT 137 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A TORNADO NEAR LINDEN...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  DAYTON BY 145 AM CST
  OLD SPRING HILL BY 150 AM CST
  FAUNSDALE BY 155 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 3229 8788 3222 87|70 3245 8751 3254 8774

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 25, 12:32 AM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Marengo	58 min
Feb 25, 1:29 AM CST	Severe Thunderstorm Warning	MOB	Marengo	31 min
Feb 25, 1:58 AM CST	Tornado Warning	MOB	Marengo	32 min
Feb 25, 4:05 AM CST	Severe Thunderstorm Warning	MOB	Choctaw	40 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.