Alert archive / Alabama / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 13, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jan 17, 1999, 11:29 PM CST for Limestone County, Alabama. It was in force for 46 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 17, 1999, 11:29 PM CST (05:29 UTC)
- Expired
- Jan 18, 1999, 12:15 AM CST
- In force
- 46 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Limestone County, AL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 17, 9:45 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 5.5 hours before the alert went out and 151 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.
- Mixed-layer CAPE
- 687 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 352 m²/s²
- 0-3 km storm-relative helicity
- 343 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 7.9
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KBHM 180530 RRA SVRBHM ALC083-180615- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 1129 PM CST SUN JAN 17 1999 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LIMESTONE COUNTY... IN NORTHERN ALABAMA * UNTIL 1215 AM CST * AT 1127 PM CST... A SEVERE THUNDERSTORM WAS SHOWN...BY NATIONAL WEATHER SERVICE DOPPLER RADAR...MOVING INTO LIMESTONE COUNTY. THIS STORM IS MOVING EAST NORTHEAST AT 30 MILES PER HOUR...AND WILL PASS NEAR THE TOWN OF ATHENS. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 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 DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 7:57 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 63 min |
| Jan 17, 8:57 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 63 min |
| Jan 17, 11:12 PM CST | Severe Thunderstorm Warning | BMX | Franklin | 48 min |
| Jan 17, 11:16 PM CST | Severe Thunderstorm Warning | BMX | Lawrence | 64 min |
| Jan 17, 11:27 PM CST | Severe Thunderstorm Warning | BMX | Lamar | 48 min |
| Jan 17, 11:47 PM CST | Severe Thunderstorm Warning | BMX | Marion | 48 min |
| Jan 17, 11:58 PM CST | Severe Thunderstorm Warning | BMX | Madison | 32 min |
| Jan 18, 12:07 AM CST | Severe Thunderstorm Warning | BMX | Jackson | 48 min |
| Jan 18, 12:45 AM CST | Severe Thunderstorm Warning | BMX | Cullman | 50 min |
| Jan 18, 12:56 AM CST | Severe Thunderstorm Warning | BMX | Marshall, Morgan | 49 min |
| Jan 18, 1:12 AM CST | Severe Thunderstorm Warning | BMX | Winston | 33 min |
| Jan 18, 1:33 AM CST | Severe Thunderstorm Warning | BMX | Pickens | 32 min |
| Jan 18, 1:38 AM CST | Severe Thunderstorm Warning | BMX | DeKalb | 47 min |
| Jan 18, 1:40 AM CST | Severe Thunderstorm Warning | BMX | Cullman | 50 min |
| Jan 18, 1:44 AM CST | Severe Thunderstorm Warning | BMX | Walker | 46 min |
| Jan 18, 1:50 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 45 min |
| Jan 18, 2:00 AM CST | Severe Thunderstorm Warning | BMX | Blount | 45 min |
| Jan 18, 2:18 AM CST | Severe Thunderstorm Warning | BMX | Jefferson | 47 min |
| Jan 18, 2:29 AM CST | Severe Thunderstorm Warning | BMX | Etowah | 46 min |
| Jan 18, 2:34 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 21 min |
| Jan 18, 2:38 AM CST | Severe Thunderstorm Warning | BMX | Marshall | 47 min |
| Jan 18, 3:26 AM CST | Severe Thunderstorm Warning | BMX | Cherokee | 49 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.