Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 13, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jan 7, 1998, 9:01 AM CST for Wilcox County, Alabama. It was in force for 59 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
- Jan 7, 1998, 9:01 AM CST (15:01 UTC)
- Expired
- Jan 7, 1998, 10:00 AM CST
- In force
- 59 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Wilcox County, AL
The radar
The Birmingham radar (KBMX), 141 km from the middle of the area, began a volume at 15:01 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 7, 9:10 AM CST | Thunderstorm Wind 50 | Fatama, AL | Several trees were blown down along State Highway 265 just north of the Fatama community. |
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, 3.0 hours before the alert went out and 141 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
- 214 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 363 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 071501 RRA SVRMOB ALC131-071600- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 901 AM CST WED JAN 7 1998 THE NATIONAL WEATHER SERVICE IN MOBILE AL HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWESTERN ALABAMA ...WILCOX AT 857 AM CST... DOPPLER RADAR AT MOBILE INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING INTO CENTRAL AND EAST WILCOX COUNTY. THIS LINE OF STORMS WAS MOVING NORTHEAST AT 35 MPH AND WILL MOVE THROUGH THE EAST PART OF THE COUNTY...GENERALLY FROM CAMDEN EAST BY 1000 AM. THE PRIMARY THREAT FROM THIS LINE OF STORMS WILL BE FROM WIND GUSTS OF 60 MPH OR HIGHER.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 4:55 AM CST | Severe Thunderstorm Warning | MOB | Mobile | 65 min |
| Jan 7, 5:50 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 55 min |
| Jan 7, 6:00 AM CST | Severe Thunderstorm Warning | MOB | Mobile | 60 min |
| Jan 7, 6:38 AM CST | Flash Flood Warning | MOB | Choctaw, Mobile, Washington | 3 hr |
| Jan 7, 7:10 AM CST | Severe Thunderstorm Warning | MOB | Choctaw | 20 min |
| Jan 7, 7:39 AM CST | Flash Flood Warning | MOB | Baldwin | 3 hr |
| Jan 7, 7:53 AM CST | Tornado Warning | MOB | Baldwin | 52 min |
| Jan 7, 7:57 AM CST | Severe Thunderstorm Warning | MOB | Escambia | 63 min |
| Jan 7, 8:08 AM CST | Severe Thunderstorm Warning | MOB | Monroe | 67 min |
| Jan 7, 8:33 AM CST | Severe Thunderstorm Warning | MOB | Conecuh | 57 min |
| Jan 7, 9:05 AM CST | Severe Thunderstorm Warning | MOB | Escambia | 60 min |
| Jan 7, 9:40 AM CST | Severe Thunderstorm Warning | MOB | Covington | 60 min |
| Jan 7, 9:45 AM CST | Flash Flood Warning | MOB | Choctaw, Mobile, Washington | 3 hr |
| Jan 7, 10:09 AM CST | Severe Thunderstorm Warning | MOB | Butler | 61 min |
| Jan 7, 10:38 AM CST | Flash Flood Warning | MOB | Escambia | 112 min |
| Jan 7, 10:43 AM CST | Severe Thunderstorm Warning | MOB | Covington | 62 min |
| Jan 7, 10:55 AM CST | Flash Flood Warning | MOB | Baldwin | 110 min |
| Jan 7, 4:41 PM CST | Flash Flood Warning | MOB | Baldwin | 5 hr |
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; radar from the NEXRAD Level II archive.