Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 324, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 6, 1998, 5:53 PM CDT for Blount County, Alabama. It was in force for 62 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 6, 1998, 5:53 PM CDT (22:53 UTC)
- Expired
- May 6, 1998, 6:55 PM CDT
- In force
- 62 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Blount 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 6, 2:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 10.9 hours before the alert went out and 91 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
- 4 J/kg
- Mixed-layer CIN
- -335 J/kg
- Mixed-layer LCL
- 1290 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 221 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 062253 RRA SVRBHM ALC009-062355- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 553 PM CDT WED MAY 6 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BLOUNT COUNTY... IN NORTHERN ALABAMA * UNTIL 655 PM CDT * AT 551 PM CDT... A SEVERE THUNDERSTORM WAS SHOWN...BY WEATHER RADAR OVER PORTIONS OF EASTERN CULLMAN COUNTY NEAR HANCEVILLE. THIS STORM WAS MOVING EAST AT 20 TO 30 MPH AND WILL MOVE INTO WESTERN BLOUNT COUNTY BY 6 PM THEN MOVE ACROSS BLOUNT COUNTY THROUGH 655 PM. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! IF YOU ARE OUTDOORS..$.MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY.
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 6, 4:18 PM CDT, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
418 PM CDT WED MAY 06 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0411 PM MOULTON AL 1 INCH HAIL
05/06/98 LAWRENCE QUARTER SIZED HAIL NORTH
OF MOULTON
0412 PM FALKVILLE AL .75 INCH HAIL
05/06/98 MORGAN DIME SIZED HAIL IN
FALKVILLE
0414 PM RUSSELLVILLE AL .75 INCH HAIL
05/06/98 FRANKLIN DIME SIZED HAIL 6 MILES
NORTH OF RUSSELLVILLELocal storm report, May 6, 4:18 PM CDT, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
418 PM CDT WED MAY 06 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0411 PM MOULTON AL 1 INCH HAIL
05/06/98 LAWRENCE QUARTER SIZED HAIL NORTH
OF MOULTON
0412 PM FALKVILLE AL .75 INCH HAIL
05/06/98 MORGAN DIME SIZED HAIL IN
FALKVILLE
0414 PM RUSSELLVILLE AL .75 INCH HAIL
05/06/98 FRANKLIN DIME SIZED HAIL 6 MILES
NORTH OF RUSSELLVILLEThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 1:57 PM CDT | Severe Thunderstorm Warning | BMX | Colbert | 48 min |
| May 6, 2:04 PM CDT | Tornado Warning | BMX | Colbert | 51 min |
| May 6, 2:51 PM CDT | Tornado Warning | BMX | Colbert | 49 min |
| May 6, 3:01 PM CDT | Tornado Warning | BMX | Lawrence | 34 min |
| May 6, 3:06 PM CDT | Tornado Warning | BMX | Franklin | 34 min |
| May 6, 3:09 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 31 min |
| May 6, 3:35 PM CDT | Tornado Warning | BMX | Franklin | 35 min |
| May 6, 3:39 PM CDT | Tornado Warning | BMX | Lawrence | 51 min |
| May 6, 3:40 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 65 min |
| May 6, 4:03 PM CDT | Tornado Warning | BMX | Morgan | 47 min |
| May 6, 4:05 PM CDT | Severe Thunderstorm Warning | BMX | Marshall | 60 min |
| May 6, 4:09 PM CDT | Tornado Warning | BMX | Marion, Winston | 51 min |
| May 6, 5:02 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 48 min |
| May 6, 5:22 PM CDT | Tornado Warning | BMX | Cullman | 48 min |
| May 6, 5:43 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 47 min |
| May 6, 6:27 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 33 min |
| May 6, 6:30 PM CDT | Severe Thunderstorm Warning | BMX | Pickens | 50 min |
| May 6, 6:34 PM CDT | Severe Thunderstorm Warning | BMX | Bibb | 46 min |
| May 6, 6:39 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 46 min |
| May 6, 6:42 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 63 min |
| May 6, 6:48 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 47 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.