Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 4, NWS Mobile, AL

January 19, 2001Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 19, 2001, 7:02 AM CST for Washington County, Alabama. It was in force for 28 min. 2 reports 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, 7:02 AM CST (13:02 UTC)
Expired
Jan 19, 2001, 7:30 AM CST
In force
28 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Washington County, AL

What was reported inside it

TimeReportWhereRemark
Jan 19, 7:10 AM CSTThunderstorm Wind 55 EChatom, ALHigh thunderstorm winds downed trees and power lines in the community.
Jan 19, 7:20 AM CSTThunderstorm Wind 55 EMc Intosh, ALThunderstorm winds blew down trees along Highway 43 near McIntosh.

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

Jackson, MS (KJAN), launched 12:00Z, 1.0 hours before the alert went out and 204 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 2001-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Jackson, MS at 12:00Z on 2001-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -66 square meters per square second.1939587897117Sfc1 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
554 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
-66 m²/s²
0-3 km storm-relative helicity
-97 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 
WUUS54 KMOB 191303
SVRMOB

ALC129-191330-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 730 AM CST

* AT 702 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 2 MILES NORTHWEST OF HEALING
  SPRINGS TO 5 MILES SOUTHWEST OF DEER PARK...MOVING EAST AT 50 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CHATOM...JORDON BY 710 AM CST
  SEABOARD BY 710 AM CST
  BIGBEE...FRANKVILLE BY 715 AM CST

STRONG DAMAGING WIND...LARGE HAIL...ZAND 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, 7:22 AM CSTSevere Thunderstorm WarningMOBMobile38 min
Jan 19, 7:34 AM CSTSevere Thunderstorm WarningMOBClarke41 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.