Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 320, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 6, 1998, 3:40 PM CDT for Morgan County, Alabama. It was in force for 65 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, 3:40 PM CDT (20:40 UTC)
- Expired
- May 6, 1998, 4:45 PM CDT
- In force
- 65 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Morgan 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, 8.7 hours before the alert went out and 142 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 062040 RRA SVRBHM ALC103-062145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 340 PM CDT WED MAY 6 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MORGAN COUNTY... IN NORTHERN ALABAMA * UNTIL 445 PM CDT * AT 338 PM CDT... A SEVERE THUNDERSTORM WAS SHOWN...BY WEATHER RADAR NEAR FALKVILLE. THE STORM IS MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR...COLE SPRING AND EVA BETWEEN 3:45 AND 4:00. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
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, May 6, 9:40 AM CDT, 6 hours before
ALZ001>050-GAZ089-090-102-120-070225- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 940 AM CDT WED MAY 6 1998 SPC HAS INDICATED A SLIGHT RISK OF SEVERE WEATHER IN THE NORTHWEST QUARTER OF ALABAMA TODAY AND ALL BUT THE SOUTHWEST CORNER FOR THURSDAY. NORTH AND CENTRAL ALABAMA ARE IN THE WARM SECTOR OF THE WEATHER SYSTEMS OVER ARKANSAS AND MISSOURI. DEW POINTS WILL SHOW A GRADUAL RISE INTO TONIGHT AND THURSDAY. HEATING THIS AFTERNOON WILL INCREASE LAPSE RATES. MAIN THREAT SHOULD BE HAIL AND WINDS TODAY. SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD KEEP ALERT FOR DEVELOPING WEATHER LATE TONIGHT AND INTO THURSDAY. ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE NECESSARY 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 |
|---|---|---|---|---|
| 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, 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, 5:53 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 62 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.