Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 86, NWS Mobile, AL

April 3, 2000Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 3, 2000, 1:25 PM CDT for Washington County, Alabama. It was in force for 50 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: Apr 3, 2000, 1:25 PM CDT (18:25 UTC)
Expired: Apr 3, 2000, 2:15 PM CDT
In force: 50 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Washington County, AL

The radar

The Mobile radar (KMOB), 81 km from the middle of the area, began a volume at 18:26 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
Apr 3, 1:50 PM CDT	Thunderstorm Wind 60 E	Fairford, AL	Strong thunderstorm winds blew several trees down in the Fairford 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 3, 10:30 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.4 hours before the alert went out and 192 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: 1735 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 544 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 250 m²/s²
0-3 km storm-relative helicity: 318 m²/s²
Significant tornado parameter: 3.0
Supercell composite: 12.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 031826
SVRMOB
ALC129-031915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
125 PM CDT MON APR 3 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 215 PM CDT

* AT 125 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EXTREME SOUTHWESTERN WASHINGTON COUNTY...
  OR ABOUT 11 MILES NORTHWEST OF CITRONELLE...MOVING NORTHEAST AT 50
  MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT MONDAY AFTERNOON
FOR ALABAMA AND FLORIDA AND MISSISSIPPI. A TORNADO WATCH ALSO REMAINS
IN EFFECT UNTIL 800 PM CDT MONDAY EVENING FOR ALABAMA AND FLORIDA AND
MISSISSIPPI.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 9:59 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Marengo	61 min
Apr 2, 11:00 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Marengo, Washington	60 min
Apr 2, 11:00 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	60 min
Apr 3, 12:11 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	34 min
Apr 3, 12:21 PM CDT	Severe Thunderstorm Warning	MOB	Washington	54 min
Apr 3, 12:25 PM CDT	Severe Thunderstorm Warning	MOB	Marengo	35 min
Apr 3, 12:52 PM CDT	Severe Thunderstorm Warning	MOB	Marengo	38 min
Apr 3, 1:19 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	41 min
Apr 3, 1:47 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	28 min
Apr 3, 2:01 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	29 min
Apr 3, 2:20 PM CDT	Tornado Warning	MOB	Clarke, Monroe	25 min
Apr 3, 2:46 PM CDT	Tornado Warning	MOB	Monroe	29 min
Apr 3, 3:12 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe	33 min
Apr 3, 3:44 PM CDT	Severe Thunderstorm Warning	MOB	Butler	31 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.