Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 123, NWS Mobile, AL

May 13, 2000Conecuh County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 13, 2000, 5:08 PM CDT for Conecuh County, Alabama. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 13, 2000, 5:08 PM CDT (22:08 UTC)
Expired
May 13, 2000, 6:00 PM CDT
In force
52 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Conecuh County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.1 hours before the alert went out and 196 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, Birmingham, AL at 12:00Z on 2000-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 616 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, Birmingham, AL at 12:00Z on 2000-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -137 square meters per square second.193958Sfc1 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
616 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
943 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-137 m²/s²
0-3 km storm-relative helicity
-109 m²/s²
Significant tornado parameter
0.0
Supercell composite
-3.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 132209 RRA
SVRMOB
ALC035-132300-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 600 PM CDT

* AT 508 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES WEST OF EVERGREEN...OR ABOUT 8 MILES
  SOUTHEAST OF MONROEVILLE...MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EVERGREEN AT 550 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, 2:47 PM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, May 13, 2:47 PM CDT, 2 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
245 PM SAT MAY 13 2000

THUNDERSTORMS HAVE FIRED RAPIDLY THIS AFTERNOON OVER PORTIONS OF
SOUTHEAST MS AND SW AL AS A FRONTAL BOUNDARY OVER THE DEEP SOUTH
INTERACTS WITH AN EXTREMELY UNSTABLE AIRMASS.  WILL BE BRIEF WITH
THIS DISCUSSION GIVEN ONGOING CONVECTION.  GIVEN LATEST RADAR
TRENDS...WILL CALL FOR ISOLATED TO WIDELY SCATTERED SHOWERS OR STORMS
IN THE NORTHERN SECTIONS AND A CHANCE OF ACTIVITY OVER THE SOUTH THIS
EVENING BEFORE FRONT MOVES OFFSHORE.  EXPECT TO SEE A DECREASING
TREND TO PRECIPITATION TONIGHT...LAND ZONES AS DIFFERENTIAL HEATING
WILL BE LOST.  WILL KEEP SCATTERED ACTVITY OVER THE COASTAL WATERS
1ST PERIOD WITH FRONT MOVING IN. RIDGING SFC/ALOFT REBUILDS SUN AND
MON SO WILL NOT INTRODUCE ANY RAIN CHANCE AFTER TONIGHT IN THE SHORT
TERM.  FOLLOWING THE FRONTAL PASSAGE...AFTERNOON TEMPERATURES
NEXT COUPLE DAYS WILL BE LOWER THAN THAT PAST FEW DAYS...BUT
STILL WARM. BEST CONTRAST IN TEMPS WILL BE AT NIGHT IN THE NORTHERN
SECTIONS WITH TEMPERATURES COOLING INTO THE 50S.

WILL KEEP FIRE WEATHER WATCH GOING FOR SUN AFTERNOON AS A WARM DAY
COMBINED WITH LOWER DEWPOINTS YIELD MARGINAL WATCH CRITERIA RH.

WILL INTRODUCE A MODERATE NORTHERLY FLOW AND BUILDING SEAS OVER
COASTAL WATERS WITH SFC HIGH BUILDING IN FROM THE NORTH.

/10

PRELIM NUMBERS...
MOB UU 062/084 057/086 062 10400
PNS UU 065/085 061/086 064 10400
DTS UU 068/083 064/082 065 10400
GZH UU 058/083 051/084 056 10200
2R0 UU 056/083 051/084 058 10100
61A UU 056/083 051/084 058 10100

.MOB...
AL...NONE.
FL...FIRE WX WATCH SUN AFTERNOON FLZ001-006 & FLZ008
MS...NONE.

In the hours before

Special weather statement, May 13, 4:20 PM CDT, 48 minutes before
ALZ064-132130-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
420 PM CDT SAT MAY 13 2000

A SEVERE THUNDERSTORM CONTINUES IN EFFECT FOR BALDWIN COUNTY IN
ALABAMA UNTIL 430 PM.

AT 416 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
SEVERE THUNDERSTORM WAS LOCATED OVER EXTREME EAST CENTRAL BALDWIN
COUNTY...OR JUST NORTH OF THE TOWN OF SEMINOLE...MOVING SOUTH AT 25
MPH.

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

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, 2:29 PM CDTSevere Thunderstorm WarningMOBMobile31 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 WarningMOBCovington37 min
May 13, 5:32 PM CDTSevere Thunderstorm WarningMOBMonroe28 min
May 13, 6:00 PM CDTSevere Thunderstorm WarningMOBMonroe45 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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; the sounding from the Mesonet's radiosonde archive.