Alert archive / Alabama / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 57, NWS Birmingham, AL

April 28, 2002Limestone County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 28, 2002, 8:57 PM CDT for Limestone County, Alabama. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 28, 2002, 8:57 PM CDT (01:57 UTC)
Expired: Apr 28, 2002, 9:45 PM CDT
In force: 48 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Limestone County, AL

What was reported inside it

Time	Report	Where	Remark
Apr 28, 9:15 PM CDT	Hail 0.75	Ardmore, AL	Dime size hail was reported near the Pisgah community, south of Ardmore on SR 251.

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.

Issued	Product	Office	Lasted
Apr 28, 4:00 PM CDT	Tornado Watch	SPC	5 hr
Apr 28, 8:00 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.0 hours before the alert went out and 134 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2383 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

701 
WUUS54 KBMX 290157
SVRBHM
ALC083-290245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
856 PM CDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LIMESTONE COUNTY IN NORTH CENTRAL ALABAMA

* UNTIL 945 PM CDT

* AT 855 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   SEVERE THUNDERSTORM JUST EAST OF LESTER...MOVING SOUTHEAST AT 40 
MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ELKMONT.

LARGE HAIL IS LIKELY WITH THIS STORM.  IF YOU ARE IN THE PATH OF THIS
STORM...MOVE INSIDE...AND STAY AWAY FROM WINDOWS.

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

LAT...LON 3506 8708 3497 8716 3478 8688 3499 8681

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 7:08 PM CDT	Severe Thunderstorm Warning	BMX	Madison	52 min
Apr 28, 7:25 PM CDT	Severe Thunderstorm Warning	BMX	Limestone	35 min
Apr 28, 7:36 PM CDT	Severe Thunderstorm Warning	BMX	Jackson	39 min
Apr 28, 7:59 PM CDT	Severe Thunderstorm Warning	BMX	Limestone	46 min
Apr 28, 8:14 PM CDT	Severe Thunderstorm Warning	BMX	Jackson	46 min
Apr 28, 8:15 PM CDT	Severe Thunderstorm Warning	BMX	Madison	30 min
Apr 28, 8:18 PM CDT	Tornado Warning	BMX	Limestone	27 min
Apr 28, 8:39 PM CDT	Tornado Warning	BMX	DeKalb, Jackson	66 min
Apr 28, 8:55 PM CDT	Severe Thunderstorm Warning	BMX	Madison	50 min
Apr 28, 9:13 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	47 min
Apr 28, 9:27 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Etowah	33 min
Apr 28, 9:34 PM CDT	Severe Thunderstorm Warning	BMX	Marshall	26 min
Apr 28, 9:57 PM CDT	Severe Thunderstorm Warning	BMX	Cleburne	33 min
Apr 28, 11:05 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	25 min
Apr 28, 11:19 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Talladega	26 min
Apr 29, 12:05 AM CDT	Severe Thunderstorm Warning	BMX	Talladega	25 min
Apr 29, 12:55 AM CDT	Severe Thunderstorm Warning	BMX	Randolph	35 min
Apr 29, 12:58 AM CDT	Severe Thunderstorm Warning	BMX	Tallapoosa	47 min
Apr 29, 1:24 AM CDT	Severe Thunderstorm Warning	BMX	Jefferson	36 min
Apr 29, 4:06 PM CDT	Severe Thunderstorm Warning	BMX	Marengo	39 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.