Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 116, NWS Mobile, AL

May 13, 2000Mobile County, Alabama; George County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at May 13, 2000, 2:29 PM CDT for Mobile County, Alabama; George County, Mississippi. It was in force for 31 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
May 13, 2000, 2:29 PM CDT (19:29 UTC)
Expired
May 13, 2000, 3:00 PM CDT
In force
31 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Mobile County, AL, George County, MS

The radar

The Mobile radar (KMOB), 20 km from the middle of the area, began a volume at 19:30 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

TimeReportWhereRemark
May 13, 2:35 PM CDTHail 1Citronelle, ALA thunderstorm produced quarter sized hail just southeast of Citronelle along County Road 41 near the community of Turnerville.

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, 7.5 hours before the alert went out and 136 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2000-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1609 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2000-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1609 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-65 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.

784 
WUUS54 KMOB 131930
SVRMOB
ALC097-MSC039-132000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
229 PM CDT SAT MAY 13 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 300 PM CDT

* AT 229 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM 18 MILES NORTHEAST   
  OF CREOLA TO 16 MILES NORTHWEST OF SATSUMA TO 35 MILES WEST OF     
  SARALAND...OR ALONG A LINE EXTENDING FROM 15 MILES NORTH OF BAY    
  MINETTE TO 7 MILES SOUTH OF CITRONELLE TO 9 MILES SOUTHWEST OF     
  LUCEDALE...MOVING EAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CREOLA...SATSUMA...SARALAND AT 300 PM CDT

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

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

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 13, 12:22 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, May 13, 12:22 PM CDT, 2 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
1220 PM SAT MAY 13 2000

WILL TWEAK FIRST PERIOD MAXES IN THE NORTHEAST AND INTERIOR COASTALS
GIVEN LATEST OBSERVATIONS.  AS FOR WIND WILL ADJUST NORTHWEST
SECTIONS FOR NORTHWEST DIRECTION. CONVECTION IS EXPECTED TO BEGIN
DEVELOPING WITHIN THE NEXT FEW HOURS AS FRONT NEARS. 10

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 1:20 PM CDTSevere Thunderstorm WarningMOBWashington55 min
May 13, 1:41 PM CDTSevere Thunderstorm WarningMOBMobile34 min
May 13, 4:02 PM CDTSevere Thunderstorm WarningMOBConecuh28 min
May 13, 4:05 PM CDTSevere Thunderstorm WarningMOBBaldwin25 min
May 13, 4:30 PM CDTSevere Thunderstorm WarningMOBConecuh, Covington30 min
May 13, 5:08 PM CDTSevere Thunderstorm WarningMOBConecuh52 min
May 13, 5:08 PM CDTSevere Thunderstorm WarningMOBCovington37 min
May 13, 5:32 PM CDTSevere Thunderstorm WarningMOBMonroe28 min
May 13, 6:00 PM CDTSevere Thunderstorm WarningMOBMonroe45 min
May 13, 1:06 PM CDTSevere Thunderstorm WarningMOBStone54 min
May 13, 1:19 PM CDTSevere Thunderstorm WarningMOBGeorge56 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2000Severe Thunderstorm Warnings in Mississippi, 2000Every 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.