Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 330, NWS Mobile, AL

November 9, 2000Clarke County, Wilcox County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Nov 9, 2000, 4:33 AM CST for Clarke County, Wilcox County, Alabama. It was in force for 42 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: Nov 9, 2000, 4:33 AM CST (10:33 UTC)
Expired: Nov 9, 2000, 5:15 AM CST
In force: 42 min
Issued by: NWS Mobile, AL
Area: Whole counties

Counties Clarke County, AL, Wilcox County, AL

The radar

The Mobile radar (KMOB), 143 km from the middle of the area, began a volume at 10:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 9, 12:00 AM CST	Tornado Watch	SPC	5 hr
Nov 9, 4:30 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 10.6 hours before the alert went out and 167 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: 158 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 603 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 261 m²/s²
0-3 km storm-relative helicity: 382 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 091034
SVRMOB
ALC025-131-091115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
433 AM CST THU NOV 9 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 515 AM CST

* AT 433 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTH OF THOMASVILLE...MOVING NORTHEAST
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  THOMASVILLE BY 440 AM CST
  CAMDEN BY 515 AM CST

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

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA UNTIL 5 AM. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 9, 1:25 AM CST	Tornado Warning	MOB	Clarke, Wilcox	35 min
Nov 9, 2:52 AM CST	Severe Thunderstorm Warning	MOB	Escambia	23 min
Nov 9, 3:07 AM CST	Severe Thunderstorm Warning	MOB	Choctaw	23 min
Nov 9, 3:24 AM CST	Severe Thunderstorm Warning	MOB	Washington	36 min
Nov 9, 3:39 AM CST	Tornado Warning	MOB	Mobile	36 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2000 Every severe thunderstorm warning in 2000

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; radar from the NEXRAD Level II archive.