Alert archive / Alabama / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 1, NWS Birmingham, AL

January 2, 1999Pike County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 2, 1999, 1:20 PM CST for Pike County, Alabama. It was in force for 50 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 2, 1999, 1:20 PM CST (19:20 UTC)
Expired
Jan 2, 1999, 2:10 PM CST
In force
50 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Pike County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 2, 9:00 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.3 hours before the alert went out and 172 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 1999-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1999-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 573 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
788 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
573 m²/s²
0-3 km storm-relative helicity
678 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jan 2, 9:10 AM CST, 4 hours 10 minutes before
ALZ001>050-GAZ089-090-102-120-030310-

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
910 AM CST SAT JAN 2 1999

...TORNADO WATCH FOR SOUTH ALABAMA UNTIL 3 PM...
SHOWERS AND THUNDERSTORMS AHEAD OF A STRONG COLD FRONT WILL MOVE INTO
WESTERN ALABAMA THIS MORNING AND CONTINUE EAST ACROSS THE STATE TODAY.
SHOWERS AND THUNDERSTORMS WILL BECOME WIDESPREAD WITH HEAVY
DOWNPOURS...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING.  A FEW
STORMS MAY BECOME SEVERE OVER CENTRAL AND SOUTH ALABAMA.  ISOLATED
TORNADOES ARE POSSIBLE OVER SOUTH ALABAMA.

STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT
FOR CHANGING WEATHER CONDITIONS AND MONITOR NOAA WEATHER RADIO OR
LOCAL TV AND RADIO FOR POSSIBLE WARNINGS LATER TODAY. THE HAZARDOUS
WEATHER OUTLOOK FOR SOUTHWEST ALABAMA... SEE PRODUCT BHMSPSMOB. FOR
SOUTHEAST ALABAMA... LOOK AT MIASPSTLH.  FOR MORE WEATHER INFORMATION
VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT
HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 2:01 PM CSTSevere Thunderstorm WarningBMXBarbour, Bullock49 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1999Every severe thunderstorm warning in 1999

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.