Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 6, NWS Mobile, AL

January 19, 2001Clarke County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 19, 2001, 7:34 AM CST for Clarke County, Alabama. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 19, 2001, 7:34 AM CST (13:34 UTC)
Expired
Jan 19, 2001, 8:15 AM CST
In force
41 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Clarke County, AL

What was reported inside it

TimeReportWhereRemark
Jan 19, 7:45 AM CSTThunderstorm Wind 60 EThomasville, ALNumerous trees and some power lines were blown down, and some minor roof damage also occurred as a line of severe thunderstorms moved across the area. Most of the wind damage occurred just east of Highway 43, along Basset Creek, between Thomasville and Fulton

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
Jan 19, 6:00 AM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 1.6 hours before the alert went out and 194 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, Birmingham, AL at 12:00Z on 2001-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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, Birmingham, AL at 12:00Z on 2001-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939587897117136Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
491 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
105 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.

431 
WUUS54 KMOB 191334
SVRMOB
ALC025-191415-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
734 AM CST FRI JAN 19 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARKE COUNTY IN SOUTHWEST ALABAMA

* UNTIL 815 AM CST

* AT 734 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 4 MILES SOUTHWEST OF CHILTON     
  TO 14 MILES SOUTHWEST OF CHOCTAW BLUFF...MOVING EAST AT 25 MPH.  

* SEVERE THUNDERSTORMS WILL BE NEAR...
  RURAL BY 740 AM CST
  PEACOCK BY 745 AM CST
  GROVE HILL...FULTON BY 750 AM CST
  CHOCTAW BLUFF...DICKINSON BY 755 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 19, 7:02 AM CSTSevere Thunderstorm WarningMOBWashington28 min
Jan 19, 7:22 AM CSTSevere Thunderstorm WarningMOBMobile38 min
Jan 19, 7:38 AM CSTSevere Thunderstorm WarningMOBBaldwin67 min
Jan 19, 7:57 AM CSTSevere Thunderstorm WarningMOBMonroe, Wilcox48 min
Jan 19, 9:20 AM CSTSevere Thunderstorm WarningMOBButler, Crenshaw55 min
Jan 19, 9:37 AM CSTSevere Thunderstorm WarningMOBCovington23 min
Jan 19, 10:02 AM CSTSevere Thunderstorm WarningMOBCovington28 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.