Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 652, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 31, 1998, 2:36 PM CDT for Jefferson County, Alabama. It was in force for 34 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
- Aug 31, 1998, 2:36 PM CDT (19:36 UTC)
- Expired
- Aug 31, 1998, 3:10 PM CDT
- In force
- 34 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jefferson County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 31, 2:45 PM CDT | Hail 0.75 | Hueytown, AL | Dime size hail was reported in Hueytown. |
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, 7.6 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
- 1082 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1082 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 19 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 311936 RRA SVRBHM ALC073-312010- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 236 PM CDT MON AUG 31 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON COUNTY... IN CENTRAL ALABAMA * UNTIL 310 PM CDT * AT 234 PM CDT... A SEVERE THUNDERSTORM WAS SHOWN...BY WEATHER RADAR OVER SOUTHWEST JEFFERSON COUNTY NEAR BESSEMER. THE STORM WAS MOVING EAST SOUTHEAST AT 15 TO 20 MPH. DAMAGING WINDS AND HEAVY RAIN 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, Aug 31, 9:45 AM CDT, 4 hours 51 minutes before
ALZ001>050-GAZ089-090-102-120-312100- HAZARDOUS WEATHER OUTLOOK FOR NORTH AND CENTRAL ALABAMA AND ADJACENT PORTIONS OF WEST CENTRAL GEORGIA NATIONAL WEATHER SERVICE BIRMINGHAM ALABAMA 945 AM CDT MON AUG 31 1998 TYPICAL WIDELY SCATTERED AFTERNOON THUNDERSTORMS ARE EXPECTED TODAY. ONE OR TWO MAY PRODUCE GUSTY WINDS AND SMALL HAIL BUT SEVERE THUNDERSTORMS ARE NOT FORECAST. ACTIVATION OF STORM SPOTTERS AND EMA PERSONNEL SHOULD NOT BE REQUIRED TODAY OR TONIGHT.
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.