Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 447, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 28, 1997, 2:53 PM CDT for Madison County, Alabama. It was in force for 52 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
- Jul 28, 1997, 2:53 PM CDT (19:53 UTC)
- Expired
- Jul 28, 1997, 3:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Madison County, AL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 7.9 hours before the alert went out and 152 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
- 3105 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1167 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHSV 281953 RRA SVRHSV ALC089-282045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 253 PM CDT MON JUL 28 1997 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH ALABAMA ...MADISON COUNTY AT 251 NATIONAL WEATHER SERVICE RADAR INDICATED POSSIBLE SEVERE THUNDERSTORMS FROM NEAR MERIDIANVILLE SOUTH THROUGH HUNTSVILLE TO NEAR FARLEY. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT AROUND 10 MILES AN HOUR. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONESP OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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, Jul 28, 9:47 AM CDT, 5 hours 6 minutes before
ALZ001>050-GAZ089-090-102-120-290240- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 947 AM CDT MON JUL 28 1997 A LARGE AREA OF HIGH PRESSURE WILL CONTINUE ACROSS MOST OF NORTHERN ALABAMA TODAY. HOWEVER...THERE WILL BE ENOUGH MOISTURE AND INSTABILITY TO PROVIDE A CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE NORTHERN HALF OF ALABAMA AND WEST CENTRAL GEORGIA LATE THIS AFTERNOON. STRONG GUSTY WINDS ARE POSSIBLE WITH SOME OF THESE THUNDERSTORMS...BUT NO ORGANIZED SEVERE WEATHER IS EXPECTED. TEMPERATURES ARE EXPECTED TO REACH INTO THE MIDDLE TO UPPER 90S ONCE AGAIN THIS AFTERNOON. THE HOT AND HUMID CONDITIONS WILL AGAIN PUSH HEAT INDEX VALUES INTO THE 105 TO 110 DEGREE RANGE. ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE NECESSARY. FOR THE SOUTHERN ALABAMA HAZARDOUS WEATHER OUTLOOK...SEE PRODUCT BHMSPSMOB.
Special weather statement, Jul 28, 9:48 AM CDT, 5 hours 5 minutes before
ALZ001>050-GAZ089-090-102-120-290240- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 947 AM CDT MON JUL 28 1997 A LARGE AREA OF HIGH PRESSURE WILL CONTINUE ACROSS MOST OF NORTHERN ALABAMA TODAY. HOWEVER...THERE WILL BE ENOUGH MOISTURE AND INSTABILITY TO PROVIDE A CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE NORTHERN HALF OF ALABAMA AND WEST CENTRAL GEORGIA LATE THIS AFTERNOON. STRONG GUSTY WINDS ARE POSSIBLE WITH SOME OF THESE THUNDERSTORMS...BUT NO ORGANIZED SEVERE WEATHER IS EXPECTED. TEMPERATURES ARE EXPECTED TO REACH INTO THE MIDDLE TO UPPER 90S ONCE AGAIN THIS AFTERNOON. THE HOT AND HUMID CONDITIONS WILL AGAIN PUSH HEAT INDEX VALUES INTO THE 105 TO 110 DEGREE RANGE. ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE NECESSARY. FOR THE SOUTHERN ALABAMA HAZARDOUS WEATHER OUTLOOK...SEE PRODUCT BHMSPSMOB.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 9:26 PM CDT | Severe Thunderstorm Warning | BMX | Russell | 59 min |
| Jul 27, 9:53 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 47 min |
| Jul 28, 12:19 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 31 min |
| Jul 28, 12:32 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 48 min |
| Jul 28, 1:50 PM CDT | Severe Thunderstorm Warning | BMX | Jackson | 40 min |
| Jul 28, 2:10 PM CDT | Severe Thunderstorm Warning | BMX | DeKalb, Jackson | 65 min |
| Jul 28, 2:33 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 57 min |
| Jul 28, 3:18 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 57 min |
| Jul 28, 3:40 PM CDT | Severe Thunderstorm Warning | BMX | Marshall | 65 min |
| Jul 28, 3:54 PM CDT | Severe Thunderstorm Warning | BMX | Randolph | 51 min |
| Jul 28, 3:58 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Cullman | 47 min |
| Jul 28, 4:11 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 49 min |
| Jul 28, 4:15 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 60 min |
| Jul 28, 4:41 PM CDT | Severe Thunderstorm Warning | BMX | Tallapoosa | 64 min |
| Jul 28, 4:50 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton | 40 min |
| Jul 28, 5:06 PM CDT | Severe Thunderstorm Warning | BMX | Coosa | 54 min |
| Jul 28, 5:28 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton | 47 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; the sounding from the Mesonet's radiosonde archive.