Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 474, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jun 15, 1998, 1:48 AM CDT for Jefferson County, Alabama. It was in force for 37 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
- Jun 15, 1998, 1:48 AM CDT (06:48 UTC)
- Expired
- Jun 15, 1998, 2:25 AM CDT
- In force
- 37 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jefferson County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 6.8 hours before the alert went out and 43 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
- 1245 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1532 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 9.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 150648 RRA SVRBHM ALC073-150725- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 148 AM CDT MON JUN 15 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN JEFFERSON COUNTY... IN CENTRAL ALABAMA * UNTIL 225 AM CDT * AT 147 AM CDT... A SEVERE THUNDERSTORM WAS SHOWN...BY WEATHER RADAR NEAR ADAMSVILLE MOVING EAST AT 30 TO 40 MPH. THIS STORM HAS A HISTORY OF DAMAGING WIND WITH SOME TREES REPORTED DOWN ACROSS THE WESTERN SECTIONS OF THE COUNTY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT nSTAND BY WINDOWS. DO NOT USE TELEPHONES 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, Jun 14, 9:35 PM CDT, 4 hours 13 minutes before
ALZ001>029-150300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 935 PM CDT SUN JUN 14 1998 THE TORNADO WATCH...NUMBER 579...FOR MOST OF THE TENNESSE VALLEY OF ALABAMA...HAS BEEN CANCELLED. HOWEVER...SCATTERED THUNDERSTORMS WILL CONTINUE TO DOT THE AREA FOR THE NEXT SEVERAL HOURS.
Special weather statement, Jun 14, 9:35 PM CDT, 4 hours 13 minutes before
ALZ001>029-150300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 935 PM CDT SUN JUN 14 1998 THE TORNADO WATCH...NUMBER 579...FOR MOST OF THE TENNESSE VALLEY OF ALABAMA...HAS BEEN CANCELLED. HOWEVER...SCATTERED THUNDERSTORMS WILL CONTINUE TO DOT THE AREA FOR THE NEXT SEVERAL HOURS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 10:56 PM CDT | Severe Thunderstorm Warning | BMX | Lamar | 49 min |
| Jun 15, 12:03 AM CDT | Severe Thunderstorm Warning | BMX | Lamar | 47 min |
| Jun 15, 5:35 AM CDT | Severe Thunderstorm Warning | BMX | Hale | 20 min |
| Jun 15, 5:47 AM CDT | Severe Thunderstorm Warning | BMX | Bibb | 48 min |
| Jun 15, 6:27 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 33 min |
| Jun 15, 6:56 PM CDT | Severe Thunderstorm Warning | BMX | Greene | 49 min |
| Jun 15, 6:59 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 66 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.