Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 260, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Nov 1, 1997, 2:42 PM CST for Clarke County, Washington County, Alabama; Greene County, Mississippi. It was in force for 2 hr. 6 reports 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
- Nov 1, 1997, 2:42 PM CST (20:42 UTC)
- Expired
- Nov 1, 1997, 4:45 PM CST
- In force
- 2 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Clarke County, AL, Washington County, AL, Greene County, MS
The radar
The Mobile radar (KMOB), 84 km from the middle of the area, began a volume at 20:41 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 |
|---|---|---|---|
| Nov 1, 2:50 PM CST | Thunderstorm Wind 50 | Piave, MS | Trees and power lines were blown down along State Road 63 near the community of Piave. |
| Nov 1, 2:54 PM CST | Hail 0.75 | Chatom, AL | Dime size hail was reported in Chatom. |
| Nov 1, 3:00 PM CST | Thunderstorm Wind 50 | Kittrell, MS | Trees and power lines were blown down along State Road 42 just east of Kittrell. |
| Nov 1, 3:15 PM CST | Thunderstorm Wind 50 | Chatom, AL | Trees and power lines were blown down just west of Chatom. |
| Nov 1, 3:30 PM CST | Thunderstorm Wind 50 | Jackson, AL | Trees and power lines were blown down in the south parts of Jackson. |
| Nov 1, 3:45 PM CST | Thunderstorm Wind 50 | Wagarville, AL | Trees and power lines were blown down near the community of Wagarville. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 1, 1:15 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.7 hours before the alert went out and 193 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
- 2011 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 499 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 6.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 012043 RRA SVRMOB ALC131-025-129-MSC041-111-012245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 242 PM CST SAT NOV 1 1997 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...WILCOX COUNTY IN SOUTHWEST ALABAMA ...CLARKE COUNTY...WASHINGTON COUNTY IN SOUTHEAST MISSISSIPPI ...GREENE COUNTY...PERRY COUNTY AT 240 PM CST...NWS DOPPLER WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS THAT EXTENDED FROM NORTHWEST CLARKE COUNTY ALABAMA SOUTHWEST TO MILLRY ALABAMA AND FURTHER SOUHTWEST TO WESTERN STONE COUNTY ALABAMA. MULTIPLE REPORTS OF LARGE HAIL AND A FEW REPORTS OF WIND DAMAGE HAVE MADE IT INTO THE MOBILE,AL NWS OFFICE THROUGHOUT THE AFTERNOON. THIS THUNDERSTORM LINE WILL MOVE EAST THROUGH 4 PM CST...AND IS EXPECTED TO REMAIN ABOVE SEVERE LIMITS. LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS ARE THE MAIN THREAT FROM THESE STORMS. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 1, 12:40 PM CST | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington | 2 hr |
| Nov 1, 1:16 PM CST | Severe Thunderstorm Warning | MOB | Covington | 59 min |
| Nov 1, 2:10 PM CST | Tornado Warning | MOB | Choctaw | 65 min |
| Nov 1, 2:21 PM CST | Severe Thunderstorm Warning | MOB | Butler | 54 min |
| Nov 1, 2:42 PM CST | Severe Thunderstorm Warning | MOB | Wilcox | 2 hr |
| Nov 1, 2:56 PM CST | Tornado Warning | MOB | Washington | 64 min |
| Nov 1, 3:14 PM CST | Severe Thunderstorm Warning | MOB | Monroe | 61 min |
| Nov 1, 3:33 PM CST | Severe Thunderstorm Warning | MOB | Crenshaw | 27 min |
| Nov 1, 3:47 PM CST | Severe Thunderstorm Warning | MOB | Mobile | 58 min |
| Nov 1, 3:47 PM CST | Severe Thunderstorm Warning | MOB | Conecuh | 58 min |
| Nov 1, 3:57 PM CST | Severe Thunderstorm Warning | MOB | Escambia | 63 min |
| Nov 1, 12:40 PM CST | Severe Thunderstorm Warning | MOB | Wayne | 2 hr |
| Nov 1, 2:34 PM CST | Severe Thunderstorm Warning | MOB | Stone | 56 min |
| Nov 1, 2:42 PM CST | Severe Thunderstorm Warning | MOB | Perry | 2 hr |
| Nov 1, 3:14 PM CST | Severe Thunderstorm Warning | MOB | George | 61 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1997Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997
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.