Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 600, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 20, 1998, 3:34 PM CDT for Greene County, Hale County, Tuscaloosa County, Alabama. It was in force for 46 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
- Jul 20, 1998, 3:34 PM CDT (20:34 UTC)
- Expired
- Jul 20, 1998, 4:20 PM CDT
- In force
- 46 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Greene County, AL, Hale County, AL, Tuscaloosa County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 20, 3:38 PM CDT | Thunderstorm Wind 50 | Tuscaloosa, AL | Trees and power lines were down in Tuscaloosa. One fell on a home. About 1200 residents were without power. |
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 nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.6 hours before the alert went out and 89 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
- 9 J/kg
- Mixed-layer CIN
- -292 J/kg
- Mixed-layer LCL
- 1164 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- -4 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 202034 RRA SVRBHM ALC063-065-125-202120- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 334 PM CDT MON JUL 20 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GREENE COUNTY... IN WEST CENTRAL ALABAMA HALE COUNTY... IN WEST CENTRAL ALABAMA TUSCALOOSA COUNTY... IN WEST CENTRAL ALABAMA * UNTIL 420 PM CDT * AT 333 PM CDT...WEATHER RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM THE COKER AND NORTHPORT AREAS...TO THE GREENSBORO AREA. * THE SEVERE THUNDERSTORMS WERE DRIFTING WEST AND WILL AFFECT MOST LOCATIONS ACROSS THE WESTERN PARTS OF TUSCALOOSA...AND HALE COUNTIES. THE STORMS WILL MOVE OVER GREENE COUNTY AFFECT EUTAW. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS!
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 20, 11:49 AM CDT, 3 hours 45 minutes before
ALZ001>050-GAZ089-090-102-120-210445- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 1149 AM CDT MON JUL 20 1998 THUNDERSTORMS HAVE DEVELOPED ALONG AN OUTFLOW BOUNDARY IN TENNESSEE AND WILL MOVE INTO NORTH ALABAMA THIS AFTERNOON. A FEW STORMS MAY BECOME SEVERE OVER NORTH AND CENTRAL ALABAMA BY MID- AFTERNOON. THERE WILL BE A THREAT OF LARGE HAIL AND DAMAGING WINDS WITH SOME OF THE STORMS. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT FOR CHANGING WEATHER CONDITIONS AND MONITOR NOAA WEATHER RADIO OR LOCAL TV AND RADIO FOR POSSIBLE WARNINGS LATER TODAY. THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST ALABAMA..^. SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA... LOOK AT MIASPSTLH. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/
Special weather statement, Jul 20, 11:49 AM CDT, 3 hours 45 minutes before
ALZ001>050-GAZ089-090-102-120-210445- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 1149 AM CDT MON JUL 20 1998 THUNDERSTORMS HAVE DEVELOPED ALONG AN OUTFLOW BOUNDARY IN TENNESSEE AND WILL MOVE INTO NORTH ALABAMA THIS AFTERNOON. A FEW STORMS MAY BECOME SEVERE OVER NORTH AND CENTRAL ALABAMA BY MID- AFTERNOON. THERE WILL BE A THREAT OF LARGE HAIL AND DAMAGING WINDS WITH SOME OF THE STORMS. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT FOR CHANGING WEATHER CONDITIONS AND MONITOR NOAA WEATHER RADIO OR LOCAL TV AND RADIO FOR POSSIBLE WARNINGS LATER TODAY. THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST ALABAMA..^. SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA... LOOK AT MIASPSTLH. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 12:16 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 34 min |
| Jul 20, 2:01 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 34 min |
| Jul 20, 2:13 PM CDT | Severe Thunderstorm Warning | BMX | Madison | 32 min |
| Jul 20, 2:17 PM CDT | Severe Thunderstorm Warning | BMX | Etowah, Marshall | 48 min |
| Jul 20, 2:40 PM CDT | Severe Thunderstorm Warning | BMX | Perry | 35 min |
| Jul 20, 2:53 PM CDT | Severe Thunderstorm Warning | BMX | Clay | 32 min |
| Jul 20, 3:02 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Hale, Tuscaloosa | 33 min |
| Jul 20, 3:18 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 32 min |
| Jul 20, 3:24 PM CDT | Severe Thunderstorm Warning | BMX | Fayette | 36 min |
| Jul 20, 3:38 PM CDT | Severe Thunderstorm Warning | BMX | Dallas, Lowndes | 32 min |
| Jul 20, 3:42 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 33 min |
| Jul 20, 3:44 PM CDT | Severe Thunderstorm Warning | BMX | Randolph | 36 min |
| Jul 20, 3:55 PM CDT | Severe Thunderstorm Warning | BMX | Marshall, Morgan | 35 min |
| Jul 20, 3:59 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 36 min |
| Jul 20, 4:00 PM CDT | Severe Thunderstorm Warning | BMX | Fayette | 35 min |
| Jul 20, 4:04 PM CDT | Severe Thunderstorm Warning | BMX | Dallas | 46 min |
| Jul 20, 4:05 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 35 min |
| Jul 20, 4:10 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 35 min |
| Jul 20, 4:18 PM CDT | Severe Thunderstorm Warning | BMX | Marion, Winston | 47 min |
| Jul 20, 4:37 PM CDT | Severe Thunderstorm Warning | BMX | Chambers | 33 min |
| Jul 20, 4:42 PM CDT | Severe Thunderstorm Warning | BMX | Lee | 33 min |
| Jul 20, 5:02 PM CDT | Severe Thunderstorm Warning | BMX | Lamar, Marion | 48 min |
| Jul 20, 5:02 PM CDT | Severe Thunderstorm Warning | BMX | Winston | 48 min |
| Jul 20, 5:15 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 35 min |
| Jul 20, 5:40 PM CDT | Severe Thunderstorm Warning | BMX | Tallapoosa | 35 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1998Every severe thunderstorm warning in 1998
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.