Alert archive / Mississippi / Special Weather Statements in 2017
Special Weather Statement, NWS Mobile, AL
NWS Mobile, AL issued this special weather statement at Oct 7, 2017, 3:21 PM CDT for Perry County, Mississippi. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 7, 2017, 3:21 PM CDT (20:21 UTC)
- Expired
- Oct 7, 2017, 3:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Mobile, AL
County Perry County, MS
The radar
The Mobile radar (KMOB), 92 km from the middle of the area, began a volume at 20:23 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 nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 131 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
- 1577 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
345
WWUS84 KMOB 072021
SPSMOB
Special Weather Statement
National Weather Service Mobile AL
321 PM CDT SAT OCT 7 2017
MSZ075-076-072045-
Perry MS-Greene MS-
321 PM CDT SAT OCT 7 2017
...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
PERRY AND SOUTHWESTERN GREENE COUNTIES UNTIL 345 PM CDT...
At 321 PM CDT, the strong thunderstorm was located over McLain, or 14
miles west of Leakesville, moving northwest at 30 mph.
Wind gusts up to 50 mph will be possible with this storm.
Locations impacted include...
Richton, Beaumont, New Augusta and McLain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3142 8899 3117 8866 3102 8878 3118 8915
3122 8915
TIME...MOT...LOC 2021Z 124DEG 25KT 3114 8880
$$
05/RRThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 9:36 PM CDT | River Flood Warning | MOB | Baldwin | 3 days |
| Oct 6, 9:39 PM CDT | River Flood Warning | MOB | Baldwin | 66 hr |
| Oct 7, 9:29 AM CDT | River Flood Warning | MOB | Baldwin | 60 hr |
| Oct 7, 1:36 PM CDT | Special Marine Warning | MOB | 39 min | |
| Oct 7, 1:46 PM CDT | Tornado Warning | MOB | Baldwin | 29 min |
| Oct 7, 2:40 PM CDT | Special Weather Statement | MOB | Baldwin | 35 min |
| Oct 7, 6:03 PM CDT | Special Marine Warning | MOB | 42 min | |
| Oct 7, 6:17 PM CDT | Tornado Warning | MOB | Baldwin | 43 min |
| Oct 7, 6:27 PM CDT | Tornado Warning | MOB | Baldwin, Mobile, Washington | 33 min |
| Oct 7, 6:31 PM CDT | Special Marine Warning | MOB | 59 min | |
| Oct 7, 6:43 PM CDT | Tornado Warning | MOB | Baldwin | 16 min |
| Oct 7, 6:57 PM CDT | Special Marine Warning | MOB | 48 min | |
| Oct 7, 3:48 PM CDT | Special Weather Statement | MOB | Perry | 27 min |
Nearby
Special Weather Statements in Mississippi, 2017Every special weather statement in 2017
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.