Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 530, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Nov 30, 1997, 11:53 AM CST for Limestone County, Alabama. It was in force for 52 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 30, 1997, 11:53 AM CST (17:53 UTC)
- Expired
- Nov 30, 1997, 12:45 PM CST
- In force
- 52 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Limestone County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 30, 11:59 AM CST | Hail 0.75 | Athens, AL | Hail covered the ground in Athens. |
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 30, 11:00 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 5.9 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
- 194 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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, Nov 30, 9:26 AM CST, 2 hours 27 minutes before
ALZ001>050-GAZ089-090-102-120-302300- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 0930 AM CST SUN NOV 30 1997 A BAND OF THUNDERSTORMS MAY MOVE WEST TO EAST THROUGH NORTH ALABAMA THIS AFTERNOON WHICH MAY PRODUCE SOME HAIL. IT IS POSSIBLE THAT SOME OF THE STORMS COULD PRODUCE DIME SIZE OR LARGER HAIL. ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL MAY BECOME NECESSARY LATER TODAY IN NORTH ALABAMA. FOR THE SOUTHERN ALABAMA HAZARDOUS WEATHER OUTLOOK...SEE PRODUCT BHMSPSMOB. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET WEB SITE AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/INDEX.HTML ON THE WORLD WIDE WEB.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 30, 12:06 PM CST | Severe Thunderstorm Warning | BMX | Madison | 54 min |
| Nov 30, 12:14 PM CST | Tornado Warning | BMX | Limestone, Madison | 46 min |
| Nov 30, 12:35 PM CST | Severe Thunderstorm Warning | BMX | Lauderdale | 40 min |
| Nov 30, 12:59 PM CST | Severe Thunderstorm Warning | BMX | Madison | 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.