Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 251, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 17, 1998, 9:21 PM CDT for Pike County, Alabama. It was in force for 34 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
- Apr 17, 1998, 9:21 PM CDT (02:21 UTC)
- Expired
- Apr 17, 1998, 9:55 PM CDT
- In force
- 34 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Pike County, AL
The radar
The Ft Rucker radar (KEOX), 59 km from the middle of the area, began a volume at 02:23 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 17, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 2.4 hours before the alert went out and 172 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- -92 m²/s²
- 0-3 km storm-relative helicity
- -41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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
Special weather statement, Apr 17, 4:19 PM CDT, 5 hours 2 minutes before
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</html>The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 9:53 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 47 min |
| Apr 17, 11:40 PM CDT | Severe Thunderstorm Warning | BMX | Lowndes, Montgomery | 50 min |
| Apr 18, 1:38 AM CDT | Severe Thunderstorm Warning | BMX | Sumter | 62 min |
| Apr 18, 9:05 AM CDT | Severe Thunderstorm Warning | BMX | Greene, Sumter | 45 min |
| Apr 18, 9:47 AM CDT | Severe Thunderstorm Warning | BMX | Greene | 33 min |
| Apr 18, 10:38 AM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 32 min |
| Apr 18, 10:58 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 62 min |
| Apr 18, 12:00 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 45 min |
| Apr 18, 12:10 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 45 min |
| Apr 18, 5:13 PM CDT | Tornado Warning | BMX | Calhoun | 32 min |
| Apr 18, 5:24 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 46 min |
| Apr 18, 5:37 PM CDT | Severe Thunderstorm Warning | BMX | Dallas | 18 min |
| Apr 18, 5:42 PM CDT | Tornado Warning | BMX | Cherokee | 48 min |
| Apr 18, 5:44 PM CDT | Severe Thunderstorm Warning | BMX | Chilton | 46 min |
| Apr 18, 6:03 PM CDT | Tornado Warning | BMX | Chilton | 47 min |
| Apr 18, 6:15 PM CDT | Flash Flood Warning | BMX | Jackson | 4 hr |
| Apr 18, 6:16 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 49 min |
| Apr 18, 6:20 PM CDT | Tornado Warning | BMX | Jackson | 50 min |
| Apr 18, 6:20 PM CDT | Tornado Warning | BMX | Dallas | 50 min |
| Apr 18, 6:26 PM CDT | Tornado Warning | BMX | Cherokee | 19 min |
| Apr 18, 6:35 PM CDT | Flash Flood Warning | BMX | Blount, Marshall | 4 hr |
| Apr 18, 6:48 PM CDT | Tornado Warning | BMX | Perry | 62 min |
| Apr 18, 6:52 PM CDT | Tornado Warning | BMX | Shelby | 63 min |
| Apr 18, 6:53 PM CDT | Tornado Warning | BMX | DeKalb | 47 min |
| Apr 18, 6:56 PM CDT | Tornado Warning | BMX | Etowah | 49 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; radar from the NEXRAD Level II archive.