Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 340, NWS Mobile, AL

December 16, 2000Escambia County, Santa Rosa County, Florida; Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Dec 16, 2000, 4:50 PM CST for Escambia County, Santa Rosa County, Florida; Escambia County, Alabama. It was in force for 40 min. No storm report in the archive falls 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.

The facts

Issued
Dec 16, 2000, 4:50 PM CST (22:50 UTC)
Expired
Dec 16, 2000, 5:30 PM CST
In force
40 min
Issued by
NWS Mobile, AL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Escambia County, AL, Escambia County, FL, Santa Rosa County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 16, 1:30 PM CSTSevere Thunderstorm WatchSPC6 hr
Dec 16, 4:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.8 hours before the alert went out and 250 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 2000-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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 2000-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 531 square meters per square second.1939587897Sfc1 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
48 J/kg
Mixed-layer CIN
-269 J/kg
Mixed-layer LCL
466 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
531 m²/s²
0-3 km storm-relative helicity
563 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 162252
SVRMOB
ALC053-FLC033-113-162330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL...CORRECTED FOR SOUTHWEST AL...
450 PM CST SAT DEC 16 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ESCAMBIA COUNTY IN SOUTHWEST ALABAMA 
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA

* UNTIL 530 PM CST

* AT 450 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTH OF MCDAVID...MOVING EAST AT 45
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CENTURY BY 455 PM CST
  OSAKA...WAHL BY 500 PM CST
  POLLARD...JAY BY 505 PM CST
  ALLENTOWN BY 515 PM CST
  BERRYDALE BY 520 PM CST
  ROBERTS...MCLELLAN...ROCK HILL BY 530 PM CST

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THIS STORM.  IF IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY
SHELTER UNTIL THE STORM HAS: PASSED.

LAT...LON 3102 8744 3084 8740 3069 8687 3122 8686

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 1:09 AM CSTSevere Thunderstorm WarningMOBMarengo51 min
Dec 16, 12:39 PM CSTSevere Thunderstorm WarningMOBMarengo51 min
Dec 16, 2:37 PM CSTTornado WarningMOBChoctaw, Clarke, Washington23 min
Dec 16, 2:42 PM CSTSevere Thunderstorm WarningMOBMobile33 min
Dec 16, 4:02 PM CSTTornado WarningMOBConecuh, Monroe28 min
Dec 16, 4:31 PM CSTTornado WarningMOBButler, Conecuh, Monroe29 min
Dec 16, 5:22 PM CSTSevere Thunderstorm WarningMOBCovington38 min

Nearby

Severe Thunderstorm Warnings in Florida, 2000Severe 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.