Alert archive / Alabama / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 326, NWS Birmingham, AL

June 4, 1999Jackson County, Madison County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 4, 1999, 1:03 PM CDT for Jackson County, Madison County, Alabama. It was in force for 47 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
Jun 4, 1999, 1:03 PM CDT (18:03 UTC)
Expired
Jun 4, 1999, 1:50 PM CDT
In force
47 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Jackson County, AL, Madison County, AL

The radar

The Northeast Alabama radar (KHTX), 25 km from the middle of the area, began a volume at 18:05 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 4, 12:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.1 hours before the alert went out and 154 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, Nashville Metro, TN at 12:00Z on 1999-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 783 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, Nashville Metro, TN at 12:00Z on 1999-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
783 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
1034 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.8

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, Jun 4, 8:50 AM CDT, 4 hours 13 minutes before
ALZ001>050-GAZ089-090-102-120-0400400

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
850 AM CDT FRI JUN 4 1999

A MOIST AND UNSTABLE AIRMASS WILL FAVOR THE FORMATION OF SCATTERED
THUNDERSTORMS THIS AFTERNOON.  ISOLATED THUNDERSTORMS MAY PRODUCE
DAMAGING WINDS AND HAIL BUT NO ORGANIZED SEVERE WEATHER IS EXPECTED.

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL
PROBABLY WILL NOT BE NECESSARY.  FOR 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.ACES.EDU/NWS/
Special weather statement, Jun 4, 8:50 AM CDT, 4 hours 13 minutes before
ALZ001>050-GAZ089-090-102-120-0400400

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
850 AM CDT FRI JUN 4 1999

A MOIST AND UNSTABLE AIRMASS WILL FAVOR THE FORMATION OF SCATTERED
THUNDERSTORMS THIS AFTERNOON.  ISOLATED THUNDERSTORMS MAY PRODUCE
DAMAGING WINDS AND HAIL BUT NO ORGANIZED SEVERE WEATHER IS EXPECTED.

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL
PROBABLY WILL NOT BE NECESSARY.  FOR 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.ACES.EDU/NWS/

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 1:23 PM CDTSevere Thunderstorm WarningBMXBlount32 min
Jun 4, 2:08 PM CDTSevere Thunderstorm WarningBMXDeKalb32 min
Jun 4, 2:09 PM CDTSevere Thunderstorm WarningBMXSt. Clair31 min
Jun 4, 2:21 PM CDTSevere Thunderstorm WarningBMXBlount34 min
Jun 4, 2:26 PM CDTSevere Thunderstorm WarningBMXCullman, Winston34 min
Jun 4, 2:37 PM CDTSevere Thunderstorm WarningBMXCleburne33 min
Jun 4, 2:49 PM CDTSevere Thunderstorm WarningBMXChilton36 min
Jun 4, 2:54 PM CDTSevere Thunderstorm WarningBMXDeKalb46 min
Jun 4, 2:55 PM CDTSevere Thunderstorm WarningBMXRandolph50 min
Jun 4, 3:06 PM CDTSevere Thunderstorm WarningBMXJackson34 min
Jun 4, 3:10 PM CDTSevere Thunderstorm WarningBMXCleburne20 min
Jun 4, 3:17 PM CDTSevere Thunderstorm WarningBMXCalhoun, St. Clair48 min
Jun 4, 3:24 PM CDTSevere Thunderstorm WarningBMXChilton51 min
Jun 4, 3:26 PM CDTSevere Thunderstorm WarningBMXClay, Talladega49 min
Jun 4, 3:39 PM CDTSevere Thunderstorm WarningBMXCleburne46 min
Jun 4, 3:43 PM CDTSevere Thunderstorm WarningBMXRandolph47 min
Jun 4, 3:45 PM CDTSevere Thunderstorm WarningBMXLowndes50 min
Jun 4, 4:02 PM CDTSevere Thunderstorm WarningBMXCalhoun48 min
Jun 4, 4:12 PM CDTSevere Thunderstorm WarningBMXClay48 min
Jun 4, 4:13 PM CDTSevere Thunderstorm WarningBMXChambers47 min
Jun 4, 4:18 PM CDTFlash Flood WarningBMXCalhoun, Cleburne2 hr
Jun 4, 4:19 PM CDTSevere Thunderstorm WarningBMXChilton36 min
Jun 4, 4:24 PM CDTSevere Thunderstorm WarningBMXLee51 min
Jun 4, 5:00 PM CDTSevere Thunderstorm WarningBMXMacon, Russell50 min
Jun 4, 5:09 PM CDTSevere Thunderstorm WarningBMXChilton, Coosa51 min
Jun 4, 5:14 PM CDTSevere Thunderstorm WarningBMXLowndes51 min
Jun 4, 5:30 PM CDTSevere Thunderstorm WarningBMXBullock50 min
Jun 4, 6:01 PM CDTSevere Thunderstorm WarningBMXCoosa, Elmore49 min
Jun 4, 6:05 PM CDTSevere Thunderstorm WarningBMXLowndes65 min
Jun 4, 6:26 PM CDTSevere Thunderstorm WarningBMXDallas64 min
Jun 4, 6:09 PM CDTSevere Thunderstorm WarningBMXChattahoochee, Muscogee51 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; radar from the NEXRAD Level II archive.