Alert archive / Alabama / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 347, NWS Birmingham, AL

August 26, 2002Marshall County, Morgan County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Aug 26, 2002, 4:08 PM CDT for Marshall County, Morgan County, Alabama. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 26, 2002, 4:08 PM CDT (21:08 UTC)
Expired: Aug 26, 2002, 4:45 PM CDT
In force: 37 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

Counties Marshall County, AL, Morgan County, AL

The radar

The Northeast Alabama radar (KHTX), 67 km from the middle of the area, began a volume at 21:08 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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.1 hours before the alert went out and 147 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: 534 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 991 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 6 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.

151 
WUUS54 KBMX 262108
SVRBHM
ALC095-103-262145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
408 PM CDT MON AUG 26 2002

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MORGAN COUNTY IN NORTH CENTRAL ALABAMA
  MARSHALL COUNTY IN NORTHEAST ALABAMA

* UNTIL 445 PM CDT

* AT 359 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 18 MILES NORTHEAST OF EVA...MOVING SOUTH AT 10
  MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...RURAL EASTERN
MORGAN COUNTY.

LARGE HAIL...EXCESSIVE LIGHTNING...AND DAMAGING WINDS ARE LIKELY.
TAKE COVER IN A STURDY SHELTER UNTIL THE STORM PASSES.

CALL 1-800-856-0758 TO REPORT SEVERE WEATHER.

LAT...LON 3459 8659 3455 8655 3451 8655 3448 8649
          3431 8651 3432 8677 3458 8669 3455 8665

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 1:03 PM CDT	Severe Thunderstorm Warning	BMX	Jackson	27 min
Aug 26, 3:23 PM CDT	Severe Thunderstorm Warning	BMX	Madison	37 min
Aug 26, 3:47 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	43 min
Aug 26, 4:20 PM CDT	Severe Thunderstorm Warning	BMX	Madison	55 min
Aug 26, 4:26 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah, Marshall	49 min
Aug 26, 4:41 PM CDT	Severe Thunderstorm Warning	BMX	Jackson	49 min
Aug 26, 5:18 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	42 min
Aug 26, 5:39 PM CDT	Severe Thunderstorm Warning	BMX	Jackson	36 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2002 Every severe thunderstorm warning in 2002

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.