Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 371, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 9, 1998, 9:58 PM CDT for Talladega County, Alabama. It was in force for 47 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
- May 9, 1998, 9:58 PM CDT (02:58 UTC)
- Expired
- May 9, 1998, 10:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Talladega County, AL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 9, 7:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 3.0 hours before the alert went out and 61 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
- 213 J/kg
- Mixed-layer CIN
- -309 J/kg
- Mixed-layer LCL
- 1398 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 355 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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
Local storm report, May 9, 8:06 PM CDT, 1 hour 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
806 PM CDT SAT MAY 09 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 PM AL 1.75 INCH HAIL
05/09/98 TUSCALOOSA GOLFBALL SIZE HAIL
REPORTED NEAR HIGHWAY 82
AND 86. TREES DOWN ALONG
HIGHWAY 82..REPORTED BY
HAM RADIO.
0720 PM AL TORNADO
05/09/98 TUSCALOOSA POSSIBLE TORNADO REPORTED
15 MILES WEST OF
NORTHPORT..REPORTED BY HAM
RADIO.
0740 PM AL 1 INCH HAIL
05/09/98 TUSCALOOSA QUARTER SIZE HAIL REPORTED
NORTH OF
TUSCALOOSA..REPORTED BY
HAM RADIO.
0749 PM AL 1.75 INCH HAIL
05/09/98 TUSCALOOSA GOLFBALL SIZE HAIL
REPORTED AT HIGHWAY 43 AND
62..REPORTED BY HAMS.Local storm report, May 9, 8:06 PM CDT, 1 hour 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
806 PM CDT SAT MAY 09 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 PM AL 1.75 INCH HAIL
05/09/98 TUSCALOOSA GOLFBALL SIZE HAIL
REPORTED NEAR HIGHWAY 82
AND 86. TREES DOWN ALONG
HIGHWAY 82..REPORTED BY
HAM RADIO.
0720 PM AL TORNADO
05/09/98 TUSCALOOSA POSSIBLE TORNADO REPORTED
15 MILES WEST OF
NORTHPORT..REPORTED BY HAM
RADIO.
0740 PM AL 1 INCH HAIL
05/09/98 TUSCALOOSA QUARTER SIZE HAIL REPORTED
NORTH OF
TUSCALOOSA..REPORTED BY
HAM RADIO.
0749 PM AL 1.75 INCH HAIL
05/09/98 TUSCALOOSA GOLFBALL SIZE HAIL
REPORTED AT HIGHWAY 43 AND
62..REPORTED BY HAMS.Local storm report, May 9, 8:41 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
841 PM CDT SAT MAY 09 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0752 PM AL 1.75 INCH HAIL
05/09/98 TUSCALOOSA GOLFBALL SIZED HAIL
REPORTED JUST NORTH OF
NORTHPORT.
0830 PM AL TORNADO
05/09/98 TUSCALOOSA POSSIBLE TORNADO 8 MILES
NORTH OF MOUNDVILLE NEAR
TUSCALOOSA...1 INCH DIA
HAIL AND NUMEROUS TREES
AND POWER LINES DOWN IN
MALLARD CREEK SUBDIV.Local storm report, May 9, 8:41 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
841 PM CDT SAT MAY 09 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0752 PM AL 1.75 INCH HAIL
05/09/98 TUSCALOOSA GOLFBALL SIZED HAIL
REPORTED JUST NORTH OF
NORTHPORT.
0830 PM AL TORNADO
05/09/98 TUSCALOOSA POSSIBLE TORNADO 8 MILES
NORTH OF MOUNDVILLE NEAR
TUSCALOOSA...1 INCH DIA
HAIL AND NUMEROUS TREES
AND POWER LINES DOWN IN
MALLARD CREEK SUBDIV.Special weather statement, May 9, 9:21 PM CDT, 37 minutes before
ALZ001>018-020-100515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 921 PM CDT SAT MAY 9 1998 ...TORNADO WATCH IN EFFECT TIL 1 AM CDT... ...SEVERE THUNDERSTORMS STILL POSSIBLE ACROSS EXTREME NORTHERN ALABAMA LATER TONIGHT... AT MID EVENING...SEVERE THUNDERSTORMS WERE CONTINUING ACROSS CENTRAL ALABAMA...WITH LITTLE OR NO PRECIPITATION OCCURRING ACROSS THE NORTHERN THIRD OF THE STATE. HOWEVER...A STRONG UPPER LEVEL DISTURBANCE CONTINUES TO MOVE EASTWARD TOWARD THE STATE...WITH A MOIST UNSTABLE AIRMASS PERSISTING ACROSS THE AREA. THIS SYSTEM WAS TRIGGERING A NEW ROUND OF STRONG TO SEVERE STORMS ACROSS SOUTHEAST ARKANSAS. THESE STORMS SHOULD MOVE EASTWARD ACROSS NORTHERN MISSISSIPPI INTO NORTHERN ALABAMA LATER TONIGHT...MOST LIKELY AFTER MIDNIGHT. THE MAIN THREAT WITH THESE STORMS IS EXPECTED TO BE LARGE HAIL...OR POSSIBLY DAMAGING WINDS. IT IS LIKELY THAT AN ADDITIONAL WATCH WILL BE REQUIRED FOR PORTIONS OF NORTHERN ALABAMA AFTER 1 AM CDT. EMA OFFICIALS AND STORM SPOTTERS SHOULD REMAIN ALERT...AND BE READY FOR ADDITIONAL ACTIVATION LATER TONIGHT.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:06 PM CDT | Tornado Warning | BMX | Tuscaloosa | 69 min |
| May 9, 7:33 PM CDT | Tornado Warning | BMX | Greene | 62 min |
| May 9, 7:39 PM CDT | Tornado Warning | BMX | Jefferson | 76 min |
| May 9, 7:41 PM CDT | Tornado Warning | BMX | Pickens | 34 min |
| May 9, 7:48 PM CDT | Tornado Warning | BMX | Sumter | 77 min |
| May 9, 7:57 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 48 min |
| May 9, 8:09 PM CDT | Tornado Warning | BMX | Tuscaloosa | 51 min |
| May 9, 8:24 PM CDT | Tornado Warning | BMX | Hale | 61 min |
| May 9, 8:29 PM CDT | Tornado Warning | BMX | Greene | 36 min |
| May 9, 8:35 PM CDT | Tornado Warning | BMX | Bibb | 65 min |
| May 9, 8:48 PM CDT | Tornado Warning | BMX | Shelby | 77 min |
| May 9, 8:53 PM CDT | Tornado Warning | BMX | Jefferson | 47 min |
| May 9, 9:22 PM CDT | Tornado Warning | BMX | Chilton | 63 min |
| May 9, 9:50 PM CDT | Tornado Warning | BMX | Coosa | 65 min |
| May 9, 9:55 PM CDT | Severe Thunderstorm Warning | BMX | Pickens | 50 min |
| May 9, 10:12 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 63 min |
| May 9, 11:22 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 63 min |
| May 9, 11:24 PM CDT | Severe Thunderstorm Warning | BMX | Clay | 36 min |
| May 9, 11:30 PM CDT | Severe Thunderstorm Warning | BMX | Randolph | 50 min |
| May 9, 11:39 PM CDT | Tornado Warning | BMX | Jefferson | 51 min |
| May 9, 11:53 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 47 min |
| May 9, 11:55 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 50 min |
| May 10, 12:23 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Shelby | 62 min |
| May 10, 12:34 AM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Talladega | 66 min |
| May 10, 1:25 AM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 45 min |
| May 10, 6:49 AM CDT | Tornado Warning | BMX | Chambers | 31 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; the sounding from the Mesonet's radiosonde archive.