Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 18, NWS Birmingham, AL

January 9, 2000Dallas County, Perry County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 9, 2000, 1:18 PM CST for Dallas County, Perry County, Alabama. It was in force for 42 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
Jan 9, 2000, 1:18 PM CST (19:18 UTC)
Expired
Jan 9, 2000, 2:00 PM CST
In force
42 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Dallas County, AL, Perry County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.3 hours before the alert went out and 87 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 2000-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2000-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 square meters per square second.1939587897117Sfc1 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
42 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
392 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 091918
SVRBHM
ALC047-105-092000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
118 PM CST SUN JAN 9 2000

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED...A

* SEVERE THUNDERSTORM WARNING FOR...
  DALLAS COUNTY...IN CENTRAL ALABAMA...
  PERRY COUNTY...IN CENTRAL ALABAMA...

* UNTIL 200 PM CST.

* AT 115 PM CST... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM 10
MILES SOUTH OF UNIONTOWN MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CENTRAL MILES BY 125 PM CST
  SAFFORD BY 130 PM CST


SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN.

WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 2:44 PM CSTSevere Thunderstorm WarningBMXElmore46 min
Jan 9, 2:52 PM CSTSevere Thunderstorm WarningBMXTallapoosa33 min
Jan 9, 3:02 PM CSTSevere Thunderstorm WarningBMXDallas, Lowndes48 min
Jan 9, 3:30 PM CSTSevere Thunderstorm WarningBMXMontgomery60 min
Jan 9, 3:45 PM CSTTornado WarningBMXMontgomery50 min
Jan 9, 4:14 PM CSTTornado WarningBMXBarbour, Bullock, Russell51 min
Jan 9, 4:32 PM CSTTornado WarningBMXMacon48 min
Jan 9, 4:57 PM CSTSevere Thunderstorm WarningBMXLowndes48 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.