Alert archive / Alabama / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 53, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jan 23, 1999, 2:50 AM CST for Elmore County, Montgomery County, Alabama. It was in force for 35 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 23, 1999, 2:50 AM CST (08:50 UTC)
- Expired
- Jan 23, 1999, 3:25 AM CST
- In force
- 35 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Elmore County, AL, Montgomery County, AL
The radar
The Maxwell AFB radar (KMXX), 39 km from the middle of the area, began a volume at 08:51 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 23, 3:00 AM CST | Thunderstorm Wind 50 | Montgomery, AL | Several trees were reported to be knocked down by wind gusts near Montgomery. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 23, 1:00 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 8.8 hours before the alert went out and 103 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
- 508 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 767 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 456 m²/s²
- 0-3 km storm-relative helicity
- 644 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 12.6
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 22, 9:29 PM CST, 5 hours 21 minutes before
ALZ001>003-011-230405- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 929 PM CST FRI JAN 22 1999 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...LAUDERDALE... COLBERT... FRANKLIN...AND MARION. THE WATCH CONTINUES IN EFFECT FOR THE REMAINING COUNTIES UNTIL 1 AM.
Local storm report, Jan 22, 10:35 PM CST, 4 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
1035 PM CST FRI JAN 22 1999
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1030 PM MOULTON AL FLOODING
01/22/99 LAWRENCE FLOODING IN DOWNTOWN
MOULTON. EMA REPORTS
EVACUATIONS IN PROGRESS.Special weather statement, Jan 22, 11:17 PM CST, 3 hours 33 minutes before
ALZ004-012>014-022-030-031-230620- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1117 PM CST FRI JAN 22 1999 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...LAWRENCE... LAMAR... FAYETTE... WINSTON... PICKENS... SUMTER ...GREENE THE WATCH REMAINS IN EFFECT FOR THE REMAINING COUNTIES UNTIL 1 AM.
Special weather statement, Jan 23, 12:09 AM CST, 2 hours 41 minutes before
ALZ005-007-015-023-230630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1209 AM CST SAT JAN 23 1999 THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN ALABAMA ...LIMESTONE... MORGAN... WALKER... TUSCALOOSA THE LINE OF STRONG THUNDERSTORMS HAS MOVED EAST OF THESE COUNTIES.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 6:10 PM CST | Tornado Warning | BMX | Greene, Sumter | 50 min |
| Jan 22, 6:25 PM CST | Tornado Warning | BMX | Jefferson | 35 min |
| Jan 22, 6:27 PM CST | Tornado Warning | BMX | Blount | 63 min |
| Jan 22, 6:46 PM CST | Severe Thunderstorm Warning | BMX | Lamar, Pickens | 64 min |
| Jan 22, 6:46 PM CST | Severe Thunderstorm Warning | BMX | Marion | 64 min |
| Jan 22, 7:08 PM CST | Flash Flood Warning | BMX | Colbert, Lauderdale, Lawrence | 6 hr |
| Jan 22, 7:08 PM CST | Flash Flood Warning | BMX | Fayette, Lamar, Marion, Pickens | 6 hr |
| Jan 22, 7:08 PM CST | Flash Flood Warning | BMX | Franklin, Winston | 6 hr |
| Jan 22, 7:30 PM CST | Severe Thunderstorm Warning | BMX | Marshall | 65 min |
| Jan 22, 7:58 PM CST | Severe Thunderstorm Warning | BMX | Franklin, Marion | 32 min |
| Jan 22, 8:01 PM CST | Severe Thunderstorm Warning | BMX | Colbert | 34 min |
| Jan 22, 8:05 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 35 min |
| Jan 22, 8:09 PM CST | Severe Thunderstorm Warning | BMX | Lawrence, Limestone | 46 min |
| Jan 22, 9:05 PM CST | Flash Flood Warning | BMX | Limestone | 4 hr |
| Jan 22, 10:18 PM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 47 min |
| Jan 22, 10:31 PM CST | Severe Thunderstorm Warning | BMX | Hale | 34 min |
| Jan 22, 10:40 PM CST | Severe Thunderstorm Warning | BMX | Walker | 35 min |
| Jan 22, 11:06 PM CST | Flash Flood Warning | BMX | Madison, Morgan | 4 hr |
| Jan 22, 11:45 PM CST | Flash Flood Warning | BMX | Tuscaloosa | 4 hr |
| Jan 23, 1:38 AM CST | Flash Flood Warning | BMX | Lawrence, Limestone | 117 min |
| Jan 23, 1:38 AM CST | Flash Flood Warning | BMX | Winston | 117 min |
| Jan 23, 3:09 AM CST | Severe Thunderstorm Warning | BMX | Tallapoosa | 31 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.