Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 520, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Nov 21, 1997, 5:05 PM CST for Lowndes 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
- Nov 21, 1997, 5:05 PM CST (23:05 UTC)
- Expired
- Nov 21, 1997, 5:40 PM CST
- In force
- 35 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Lowndes County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 21, 5:10 PM CST | Thunderstorm Wind 50 | Hayneville, AL | Several trees were down in the Farmersville community, including one, which trapped someone in a car. There were no injuries |
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 |
|---|---|---|---|
| Nov 21, 2:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.1 hours before the alert went out and 115 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
- 1 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 632 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 293 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 212307 RRA SVRBHM ALC085-212340- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 505 PM CST FRI NOV 21 1997 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 540 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ALABAMA ...SOUTHERN LOWNDES COUNTY... AT 503 PM CST... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM MOVING INTO SOUTHERN LOWNDES...ABOUT 10 MILES WEST OF FORT DEPOSIT. THIS STORM WAS MOVING EAST NORTHEAST AROUND 40 MPH...AND WILL AFFECT THE CALHOUN...FORT DEPOSIT...AND SANDY RIDGE AREAS BY 530 PM. <<CALL TO ACTION>> 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 |
|---|---|---|---|---|
| Nov 21, 11:01 AM CST | Severe Thunderstorm Warning | BMX | Greene, Sumter | 49 min |
| Nov 21, 5:39 PM CST | Severe Thunderstorm Warning | BMX | Montgomery | 31 min |
| Nov 21, 5:49 PM CST | Severe Thunderstorm Warning | BMX | Pike | 31 min |
| Nov 21, 5:54 PM CST | Severe Thunderstorm Warning | BMX | Bullock, Macon | 46 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning in 1997
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.