Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 19, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2021, 7:10 PM CDT for Choctaw County, Washington County, Alabama; Greene County, Perry County, Wayne County, Mississippi. It was in force for 65 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
- Mar 17, 2021, 7:10 PM CDT (00:10 UTC)
- Expired
- Mar 17, 2021, 8:15 PM CDT
- In force
- 65 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Choctaw County, AL, Washington County, AL, Greene County, MS, Perry County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 111 km from the middle of the area, began a volume at 00:14 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 |
|---|---|---|---|
| Mar 17, 6:48 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.2 hours before the alert went out and 194 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
- 1681 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 710 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 9.7
The text
As transmitted.
031
WUUS54 KMOB 180010
SVRMOB
ALC023-129-MSC041-111-153-180115-
/O.NEW.KMOB.SV.W.0019.210318T0010Z-210318T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
710 PM CDT Wed Mar 17 2021
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Choctaw County in southwestern Alabama...
Western Washington County in southwestern Alabama...
Perry County in southeastern Mississippi...
Wayne County in southeastern Mississippi...
Greene County in southeastern Mississippi...
* Until 815 PM CDT.
* At 710 PM CDT, severe thunderstorms were located along a line
extending from Sandersville to 8 miles west of Clara to 4 miles
south of Richton to 3 miles east of Maxie, moving northeast at 55
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Waynesboro, Butler, Chatom, Richton, Leakesville, Clara, Deer Park,
Tibbie, Beaumont, New Augusta, Lisman, Millry, McLain, State Line,
Buckatunna, Silas, Fruitdale, Gilbertown and Toxey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for southwestern
Alabama...and southeastern Mississippi.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.
&&
LAT...LON 3202 8812 3195 8808 3195 8812 3193 8806
3190 8813 3182 8818 3176 8815 3174 8809
3126 8818 3108 8861 3096 8896 3093 8914
3119 8915 3136 8907 3143 8908 3143 8894
3182 8894 3189 8848 3207 8845 3225 8818
TIME...MOT...LOC 0010Z 237DEG 46KT 3179 8902 3158 8884 3129 8895 3099
8913
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
21/CL3 follow-up statements
056
WWUS54 KMOB 180027
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
727 PM CDT Wed Mar 17 2021
ALC023-129-MSC041-111-153-180115-
/O.CON.KMOB.SV.W.0019.000000T0000Z-210318T0115Z/
Choctaw AL-Washington AL-Perry MS-Wayne MS-Greene MS-
727 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR CHOCTAW...WESTERN WASHINGTON...PERRY...WAYNE AND GREENE
COUNTIES...
At 725 PM CDT, severe thunderstorms were located along a line
extending from 8 miles southeast of Goodwater to Waynesboro to 10
miles east of Richton to 5 miles south of Beaumont, moving northeast
at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Waynesboro, Butler, Chatom, Richton, Leakesville, Clara, Tibbie,
Beaumont, New Augusta, Lisman, Millry, McLain, State Line,
Buckatunna, Silas, Fruitdale, Gilbertown and Toxey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for southwestern
Alabama...and southeastern Mississippi.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3202 8812 3195 8808 3195 8812 3193 8806
3190 8813 3182 8818 3176 8815 3174 8809
3126 8818 3108 8861 3096 8896 3093 8914
3111 8915 3133 8896 3142 8891 3165 8885
3183 8890 3189 8848 3207 8845 3225 8818
TIME...MOT...LOC 0025Z 236DEG 46KT 3181 8880 3168 8866 3139 8877 3109
8895
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
21/CL508
WWUS54 KMOB 180044
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
744 PM CDT Wed Mar 17 2021
ALC023-129-MSC041-111-153-180115-
/O.CON.KMOB.SV.W.0019.000000T0000Z-210318T0115Z/
Choctaw AL-Washington AL-Perry MS-Wayne MS-Greene MS-
744 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR CHOCTAW...WESTERN WASHINGTON...SOUTHEASTERN PERRY...EASTERN WAYNE
AND GREENE COUNTIES...
At 742 PM CDT, severe thunderstorms were located along a line
extending from near Melvin to 5 miles northeast of Buckatunna to 7
miles west of Fruitdale to 5 miles east of McLain, moving northeast
at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Waynesboro, Butler, Chatom, Leakesville, Deer Park, Tibbie, Beaumont,
Lisman, Millry, McLain, State Line, Buckatunna, Silas, Fruitdale,
Gilbertown and Toxey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for southwestern
Alabama...and southeastern Mississippi.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3202 8812 3196 8809 3195 8812 3193 8809
3193 8806 3190 8813 3182 8818 3176 8815
3173 8809 3126 8818 3108 8861 3096 8899
3110 8902 3146 8870 3171 8866 3188 8855
3190 8847 3207 8845 3225 8818
TIME...MOT...LOC 0042Z 233DEG 50KT 3188 8848 3158 8845 3131 8853 3111
8874
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
21/CL086
WWUS54 KMOB 180108
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
808 PM CDT Wed Mar 17 2021
ALC023-129-MSC041-111-153-180117-
/O.EXP.KMOB.SV.W.0019.000000T0000Z-210318T0115Z/
Choctaw AL-Washington AL-Perry MS-Wayne MS-Greene MS-
808 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR CHOCTAW...WESTERN
WASHINGTON...SOUTHEASTERN PERRY...EASTERN WAYNE AND GREENE COUNTIES
WILL EXPIRE AT 815 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with these thunderstorms.
A Tornado Watch remains in effect until 300 AM CDT for southwestern
Alabama...and southeastern Mississippi.
LAT...LON 3202 8812 3196 8809 3195 8812 3193 8809
3193 8806 3190 8813 3182 8818 3176 8815
3173 8809 3126 8818 3108 8861 3096 8899
3110 8902 3146 8870 3171 8866 3188 8855
3190 8847 3207 8845 3225 8818
TIME...MOT...LOC 0107Z 237DEG 46KT 3205 8817 3175 8814 3148 8822 3128
8843
$$
21/CLThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 8:07 PM CDT | Special Weather Statement | MOB | Choctaw, Washington | 53 min |
| Mar 17, 8:31 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Washington, Wilcox | 44 min |
| Mar 17, 9:15 PM CDT | Special Weather Statement | MOB | Butler, Monroe, Wilcox | 45 min |
| Mar 17, 9:27 PM CDT | Special Weather Statement | MOB | Clarke, Monroe, Washington | 48 min |
| Mar 17, 9:55 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 50 min |
| Mar 17, 10:17 PM CDT | Special Weather Statement | MOB | Monroe, Washington | 58 min |
| Mar 17, 10:31 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Mobile, Monroe, Washington | 44 min |
| Mar 17, 11:12 PM CDT | Special Weather Statement | MOB | Baldwin, Mobile | 48 min |
| Mar 17, 11:28 PM CDT | Special Marine Warning | MOB | 92 min | |
| Mar 18, 12:02 AM CDT | Special Weather Statement | MOB | Monroe | 43 min |
| Mar 18, 12:07 AM CDT | Special Weather Statement | MOB | Mobile | 23 min |
| Mar 18, 12:32 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 28 min |
| Mar 18, 12:33 AM CDT | Special Marine Warning | MOB | 87 min | |
| Mar 18, 12:38 AM CDT | Special Weather Statement | MOB | Butler | 37 min |
| Mar 18, 12:57 AM CDT | Special Marine Warning | MOB | 63 min | |
| Mar 18, 1:48 AM CDT | Special Marine Warning | MOB | 87 min | |
| Mar 18, 3:16 AM CDT | Special Marine Warning | MOB | 89 min | |
| Mar 18, 4:00 AM CDT | Tornado Warning | MOB | Crenshaw | 30 min |
| Mar 18, 4:09 AM CDT | Special Marine Warning | MOB | 51 min | |
| Mar 17, 7:43 PM CDT | Areal Flood Advisory | MOB | George, Greene, Perry, Stone, Wayne | 6 hr |
| Mar 17, 8:22 PM CDT | Severe Thunderstorm Warning | MOB | Perry, Stone | 38 min |
| Mar 17, 8:54 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene, Perry, Stone | 28 min |
| Mar 17, 9:17 PM CDT | Areal Flood Advisory | MOB | Perry, Stone | 3 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2021Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning in 2021
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.