Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 59, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 21, 1997, 7:03 AM CST for Perry County, Stone County, Mississippi. It was in force for 57 min. 2 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
- Feb 21, 1997, 7:03 AM CST (13:03 UTC)
- Expired
- Feb 21, 1997, 8:00 AM CST
- In force
- 57 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Perry County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 85 km from the middle of the area, began a volume at 13:04 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 |
|---|---|---|---|
| Feb 21, 7:45 AM CST | Thunderstorm Wind 50 | Beaumont, MS | |
| Feb 21, 7:45 AM CST | Thunderstorm Wind 50 | Wiggins, MS |
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 |
|---|---|---|---|
| Feb 21, 4:45 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 1.1 hours before the alert went out and 102 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
- 535 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 349 m²/s²
- 0-3 km storm-relative helicity
- 398 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 211301 RRA SVRMOB MSC041-111-131-153-211400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 703 AM CST FRI FEB 21 1997 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST MISSISSIPPI ...GREENE COUNTY...PERRY COUNTY...STONE COUNTY...WAYNE COUNTY AT 703 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR IN MOBILE INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING OVER MOST OF SOUTHEAST MISSISSIPPI. THIS LINE BE WILL AFFECTING WAYNE...GREENE...PERRY AND STONCOUNTIES IN MISSISSIPPI DURING THE NEXT HOUR. RADAR INDICATED THE STRONGEST STORMS WILL BE MOVING FROM LEAKESVILLE TO CLARA. OTHER THUNDERSTORMS POSSIBLY SEVERE WERE TO THE SOUTHWEST OVER STONE COUNTY. THUNDERSTORMS WERE MOVING TO THE NORTH NORTHEAST AT 55 MPH. 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 |
|---|---|---|---|---|
| Feb 21, 5:57 AM CST | Severe Thunderstorm Warning | MOB | Perry, Stone, Wayne | 63 min |
| Feb 21, 7:03 AM CST | Severe Thunderstorm Warning | MOB | Greene, Wayne | 57 min |
| Feb 21, 8:01 AM CST | Severe Thunderstorm Warning | MOB | George, Greene | 59 min |
| Feb 21, 8:01 AM CST | Severe Thunderstorm Warning | MOB | Stone | 59 min |
| Feb 21, 8:58 AM CST | Severe Thunderstorm Warning | MOB | George | 62 min |
Nearby
Severe 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.