Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 54, NWS Mobile, AL

March 12, 2001Choctaw County, Alabama; Wayne County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Mar 12, 2001, 10:10 AM CST for Choctaw County, Alabama; Wayne County, Mississippi. It was in force for 50 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
Mar 12, 2001, 10:10 AM CST (16:10 UTC)
Expired
Mar 12, 2001, 11:00 AM CST
In force
50 min
Issued by
NWS Mobile, AL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Choctaw County, AL, Wayne County, MS

What was reported inside it

TimeReportWhereRemark
Mar 12, 10:20 AM CSTThunderstorm Wind 60 EWaynesboro, MSA line of strong thunderstorms downed trees near the community.
Mar 12, 10:45 AM CSTThunderstorm Wind 55 EToxey, ALTrees and power lines were blown down by high thunderstorm winds near Toxey.

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 watch it was issued in

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

IssuedProductOfficeLasted
Mar 12, 6:00 AM CSTSevere Thunderstorm WatchSPC5 hr
Mar 12, 10:00 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 4.2 hours before the alert went out and 157 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2001-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2001-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 499 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
585 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
499 m²/s²
0-3 km storm-relative helicity
534 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 121611
SVRMOB
ALC023-MSC153-121700-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1010 AM CST MON MAR 12 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHOCTAW COUNTY IN SOUTHWEST ALABAMA
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 1100 AM CST

* AT 1010 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 5 MILES WEST OF MELVIN TO NEAR
  BOICE...MOVING NORTHEAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  EVANSBORO...HINTON BY 1020 AM CST
  ROCK SPRINGS BY 1025 AM CST
  LAND...NEEDHAM BY 1030 AM CST
  GILBERTOWN...LISMAN BY 1035 AM CST

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THESE STORMS.  IF IN THE PATH OF THESE STORMS...TAKE COVER IN A
STURDY SHELTER UNTIL THE STORMS HAVE PASSED.

LAT...LON 3197 8872 3162 8872 3188 8819 3229 8803

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 1:58 AM CSTSevere Thunderstorm WarningMOBMobile32 min
Mar 12, 2:31 AM CSTSevere Thunderstorm WarningMOBBaldwin44 min
Mar 12, 5:38 AM CSTSevere Thunderstorm WarningMOBWashington37 min
Mar 12, 6:09 AM CSTSevere Thunderstorm WarningMOBMonroe36 min
Mar 12, 6:16 AM CSTSevere Thunderstorm WarningMOBClarke29 min
Mar 12, 6:35 AM CSTSevere Thunderstorm WarningMOBConecuh25 min
Mar 12, 9:19 AM CSTSevere Thunderstorm WarningMOBChoctaw26 min
Mar 12, 10:29 AM CSTTornado WarningMOBChoctaw31 min
Mar 12, 10:49 AM CSTTornado WarningMOBWilcox26 min
Mar 12, 10:52 AM CSTSevere Thunderstorm WarningMOBWashington33 min
Mar 12, 10:57 AM CSTTornado WarningMOBChoctaw18 min
Mar 12, 11:05 AM CSTTornado WarningMOBWashington10 min
Mar 12, 11:11 AM CSTSevere Thunderstorm WarningMOBMobile34 min
Mar 12, 11:27 AM CSTSevere Thunderstorm WarningMOBBaldwin33 min
Mar 12, 11:40 AM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Escambia, Monroe, Wilcox65 min
Mar 12, 11:44 AM CSTSevere Thunderstorm WarningMOBMobile31 min
Mar 12, 12:08 PM CSTFlash Flood WarningMOBMobile2 hr
Mar 12, 12:26 PM CSTSevere Thunderstorm WarningMOBMobile34 min
Mar 12, 12:40 PM CSTSevere Thunderstorm WarningMOBCovington, Crenshaw50 min
Mar 12, 12:47 PM CSTSevere Thunderstorm WarningMOBEscambia13 min
Mar 12, 12:47 PM CSTSevere Thunderstorm WarningMOBBaldwin43 min
Mar 12, 12:49 PM CSTSevere Thunderstorm WarningMOBButler41 min
Mar 12, 1:35 PM CSTSevere Thunderstorm WarningMOBCovington10 min
Mar 12, 5:12 AM CSTSevere Thunderstorm WarningMOBGreene33 min
Mar 12, 10:13 AM CSTSevere Thunderstorm WarningMOBPerry22 min
Mar 12, 10:37 AM CSTSevere Thunderstorm WarningMOBGreene23 min
Mar 12, 11:17 AM CSTSevere Thunderstorm WarningMOBGeorge13 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2001Severe Thunderstorm Warnings in Mississippi, 2001Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.