Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 248, NWS Mobile, AL

August 10, 2000Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Aug 10, 2000, 4:39 PM CDT for Mobile County, Alabama. It was in force for 66 min. 1 report 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: Aug 10, 2000, 4:39 PM CDT (21:39 UTC)
Expired: Aug 10, 2000, 5:45 PM CDT
In force: 66 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Mobile County, AL

The radar

The Mobile radar (KMOB), 4 km from the middle of the area, began a volume at 21:42 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.

What was reported inside it

Time	Report	Where	Remark
Aug 10, 5:35 PM CDT	Hail 1.75	Citronelle, AL	Golfball sized hail was reported in the community as a thunderstorm moved through the area.

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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.7 hours before the alert went out and 152 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: 989 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 1197 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 102141
SVRMOB
ALC097-102245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
439 PM CDT THU AUG 10 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MOBILE COUNTY IN ALABAMA

* UNTIL 545 PM CDT

* AT 439 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 19 MILES NORTHWEST OF TILLMANS
  CORNER TO 5 MILES EAST OF THEODORE...OR FROM 15 MILES SOUTHEAST OF
  LUCEDALE TO 5 MILES EAST OF THEODORE...MOVING SOUTH AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE LOCATED...
  OVER BAYOU LA BATRE...GRAND BAY AT 510 PM CDT
  OVER DAUPHIN ISLAND AT 530 PM CDT

THE MAIN THREAT FROM THESE STORMS WILL BE WIND GUSTS BETWEEN 45 AND 
60 MPH AND DIME-SIZED HAIL.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY 
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST 
OFFICE IN MOBILE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 7:47 PM CDT	Severe Thunderstorm Warning	MOB	Escambia	28 min
Aug 9, 9:15 PM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	30 min
Aug 9, 9:25 PM CDT	Severe Thunderstorm Warning	MOB	Covington	35 min
Aug 10, 2:04 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh	26 min
Aug 10, 2:24 PM CDT	Severe Thunderstorm Warning	MOB	Escambia	36 min
Aug 10, 2:46 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	44 min
Aug 10, 3:04 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Washington	26 min
Aug 10, 3:13 PM CDT	Tornado Warning	MOB	Baldwin	32 min
Aug 10, 3:24 PM CDT	Severe Thunderstorm Warning	MOB	Mobile, Washington	36 min
Aug 10, 3:53 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	52 min
Aug 10, 4:05 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	55 min
Aug 10, 5:56 PM CDT	Severe Thunderstorm Warning	MOB	Marengo	49 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.