Alert archive / Alabama / Tornado Warnings in 2000

Tornado Warning 10, NWS Mobile, AL

March 29, 2000Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 29, 2000, 3:55 PM CST for Mobile County, Alabama. It was in force for 50 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Mar 29, 2000, 3:55 PM CST (21:55 UTC)
Expired: Mar 29, 2000, 4:45 PM CST
In force: 50 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Mobile County, AL

The radar

The Mobile radar (KMOB), 44 km from the middle of the area, began a volume at 21:57 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
Mar 29, 4:00 PM CST	Hail 1.75	Dauphin Is, AL	Supercell thunderstorm produced golfball size hail over the west end of Dauphin Island and over the adjacent coastal waters. This was verified by amatuer video shot from the beach near the islands west end.
Mar 29, 4:15 PM CST	Hail 0.75	Dauphin Is, AL	Thunderstorm produced dime size hail at the east end of Dauphin Island. Reported by officials at the Dauphin Island Sea Lab.

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
Mar 29, 1:00 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.9 hours before the alert went out and 137 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: 1754 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 196 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

243 
WFUS54 KMOB 292155
TORMOB
ALC097-292245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
355 PM CST WED MAR 29 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  DAUPHIN ISLAND IN MOBILE COUNTY

* UNTIL 445 PM CST

* AT 355 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  TORNADO 12 MILES WEST OF DAUPHIN ISLAND...OR ABOUT 12 MILES
  SOUTHEAST OF PASCAGOULA...MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  DAUPHIN ISLAND AT 415 PM CST

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 3033 8844 3019 8844 3021 8801 3037 8803

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 2:01 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	59 min
Mar 29, 2:59 PM CST	Flash Flood Warning	MOB	Mobile	3 hr
Mar 29, 3:02 PM CST	Severe Thunderstorm Warning	MOB	Mobile	58 min
Mar 29, 3:44 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	46 min
Mar 29, 4:14 PM CST	Tornado Warning	MOB	Baldwin	76 min

Nearby

Tornado Warnings in Alabama, 2000 Every tornado warning in 2000 Tornadoes 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.