Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 11, NWS Mobile, AL

January 19, 2001Covington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 19, 2001, 10:02 AM CST for Covington County, Alabama. It was in force for 28 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: Jan 19, 2001, 10:02 AM CST (16:02 UTC)
Expired: Jan 19, 2001, 10:30 AM CST
In force: 28 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Covington 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
Jan 19, 6:00 AM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 4.0 hours before the alert went out and 215 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: 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.

000 
WUUS54 KMOB 191604
SVRMOB

ALC039-191630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1002 AM CST FRI JAN 19 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 1030 AM CST

* AT 958 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM NEAR SANFORD TO 12 MILES
  SOUTHWEST OF WATKINS BRIDGE...MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  OPP BY 1010 AM CST
  GREEN BAY...ONYCHA BY 1015 AM CST
  ESTOTHEL...LOCKHART BY 1020 AM CST
  HOWELLS BY 1030 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 3142 8638 3100 8664 3100 8619 3136 8619
          3137 8621 3137 8624 3139 8625 m3139 8629
          3140 8630 3140 8634 3142 8635

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 19, 7:02 AM CST	Severe Thunderstorm Warning	MOB	Washington	28 min
Jan 19, 7:22 AM CST	Severe Thunderstorm Warning	MOB	Mobile	38 min
Jan 19, 7:34 AM CST	Severe Thunderstorm Warning	MOB	Clarke	41 min
Jan 19, 7:38 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	67 min
Jan 19, 7:57 AM CST	Severe Thunderstorm Warning	MOB	Monroe, Wilcox	48 min
Jan 19, 9:20 AM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	55 min
Jan 19, 9:37 AM CST	Severe Thunderstorm Warning	MOB	Covington	23 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2001 Every 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; the sounding from the Mesonet's radiosonde archive.