Alert archive / Mississippi / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 40, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jan 21, 2017, 7:40 PM CST for George County, Mississippi; Mobile County, Alabama. It was in force for 28 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
- Jan 21, 2017, 7:40 PM CST (01:40 UTC)
- Expired
- Jan 21, 2017, 8:08 PM CST
- In force
- 28 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Mobile County, AL, George County, MS
The radar
The Mobile radar (KMOB), 26 km from the middle of the area, began a volume at 01:44 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 |
|---|---|---|---|
| Jan 21, 3:29 PM CST | Tornado Watch | SPC | 6 hr |
| Jan 21, 6:51 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 1.7 hours before the alert went out and 139 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
- 1796 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 528 m above ground
- 0-6 km bulk shear
- 96 kt
- 0-1 km storm-relative helicity
- 288 m²/s²
- 0-3 km storm-relative helicity
- 382 m²/s²
- Significant tornado parameter
- 4.0
- Supercell composite
- 16.4
The text
As transmitted.
027
WUUS54 KMOB 220140
SVRMOB
ALC097-MSC039-220230-
/O.NEW.KMOB.SV.W.0040.170122T0140Z-170122T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
740 PM CST SAT JAN 21 2017
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Northwestern Mobile County in southwestern Alabama...
Southeastern George County in southeastern Mississippi...
* Until 830 PM CST
* At 740 PM CST, a severe thunderstorm was located 7 miles southeast
of Lucedale, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Lucedale, Chunchula, Gulfcrest, Semmes, Wilmer and I65 And AL 158.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 900 PM CST for southeastern
Mississippi. A tornado watch also remains in effect until 300 AM CST
for southwestern Alabama.
LAT...LON 3075 8862 3091 8862 3106 8816 3078 8809
TIME...MOT...LOC 0140Z 257DEG 27KT 3084 8850
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
947
WWUS54 KMOB 220201
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
801 PM CST SAT JAN 21 2017
MSC039-220211-
/O.CAN.KMOB.SV.W.0040.000000T0000Z-170122T0230Z/
George MS-
801 PM CST SAT JAN 21 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GEORGE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 300 AM CST for southwestern
Alabama.
LAT...LON 3077 8839 3098 8840 3106 8816 3078 8809
TIME...MOT...LOC 0201Z 257DEG 27KT 3088 8832
$$
ALC097-220230-
/O.CON.KMOB.SV.W.0040.000000T0000Z-170122T0230Z/
Mobile AL-
801 PM CST SAT JAN 21 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR NORTHWESTERN MOBILE COUNTY...
At 801 PM CST, a severe thunderstorm was located near Wilmer, or 15
miles west of Saraland, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Chunchula, Gulfcrest, Semmes, Wilmer and I65 And AL 158.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 300 AM CST for southwestern
Alabama.
LAT...LON 3077 8839 3098 8840 3106 8816 3078 8809
TIME...MOT...LOC 0201Z 257DEG 27KT 3088 8832
HAIL...1.00IN
WIND...60MPH
$$620
WWUS54 KMOB 220208
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
808 PM CST SAT JAN 21 2017
ALC097-220218-
/O.CAN.KMOB.SV.W.0040.000000T0000Z-170122T0230Z/
Mobile AL-
808 PM CST SAT JAN 21 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MOBILE COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
A tornado watch remains in effect until 300 AM CST for southwestern
Alabama.
LAT...LON 3077 8839 3098 8840 3106 8816 3078 8809
TIME...MOT...LOC 0206Z 257DEG 27KT 3089 8826
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 6:18 PM CST | Special Weather Statement | MOB | George | 57 min |
| Jan 21, 6:18 PM CST | Severe Thunderstorm Warning | MOB | George | 42 min |
| Jan 21, 7:11 PM CST | Severe Thunderstorm Warning | MOB | George, Greene | 34 min |
| Jan 21, 7:56 PM CST | Severe Thunderstorm Warning | MOB | Perry | 49 min |
| Jan 21, 8:28 PM CST | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 47 min |
| Jan 21, 8:52 PM CST | Severe Thunderstorm Warning | MOB | Perry, Wayne | 38 min |
| Jan 21, 9:06 PM CST | Severe Thunderstorm Warning | MOB | Wayne | 39 min |
| Jan 21, 9:25 PM CST | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 50 min |
| Jan 21, 9:48 PM CST | Severe Thunderstorm Warning | MOB | Greene, Wayne | 42 min |
| Jan 21, 9:49 PM CST | Severe Thunderstorm Warning | MOB | George, Greene, Perry, Stone | 41 min |
| Jan 21, 10:15 PM CST | Severe Thunderstorm Warning | MOB | Greene, Wayne | 45 min |
| Jan 21, 10:27 PM CST | Special Weather Statement | MOB | Greene | 48 min |
| Jan 21, 11:05 PM CST | Special Weather Statement | MOB | Wayne | 40 min |
| Jan 21, 11:10 PM CST | Severe Thunderstorm Warning | MOB | Wayne | 25 min |
| Jan 22, 5:23 AM CST | Wind Advisory | MOB | George, Greene, Perry, Stone, Wayne | 30 hr |
| Jan 22, 9:20 AM CST | Severe Thunderstorm Warning | MOB | George, Greene | 40 min |
| Jan 22, 10:08 AM CST | Special Weather Statement | MOB | George | 52 min |
| Jan 22, 10:27 AM CST | Severe Thunderstorm Warning | MOB | George, Greene | 33 min |
| Jan 22, 4:21 PM CST | River Flood Warning | MOB | George, Greene, Wayne | 4 days |
| Jan 21, 6:31 PM CST | Special Marine Warning | MOB | 89 min | |
| Jan 21, 6:49 PM CST | Tornado Warning | MOB | Mobile | 41 min |
| Jan 21, 6:59 PM CST | Severe Thunderstorm Warning | MOB | Baldwin | 46 min |
| Jan 21, 7:03 PM CST | Severe Thunderstorm Warning | MOB | Mobile, Washington | 20 min |
| Jan 21, 7:07 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 38 min |
| Jan 21, 7:15 PM CST | Severe Thunderstorm Warning | MOB | Baldwin | 45 min |
| Jan 21, 7:25 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Conecuh, Escambia, Monroe | 50 min |
| Jan 21, 7:30 PM CST | Tornado Warning | MOB | Baldwin, Escambia | 45 min |
| Jan 21, 7:46 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 44 min |
| Jan 21, 7:51 PM CST | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Escambia | 54 min |
| Jan 21, 7:53 PM CST | Severe Thunderstorm Warning | MOB | Escambia | 52 min |
| Jan 21, 8:11 PM CST | Tornado Warning | MOB | Escambia | 49 min |
| Jan 21, 8:15 PM CST | Tornado Warning | MOB | Escambia | 30 min |
| Jan 21, 8:28 PM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia | 62 min |
| Jan 21, 8:51 PM CST | Areal Flood Advisory | MOB | Escambia | 6 hr |
| Jan 21, 9:11 PM CST | Tornado Warning | MOB | Covington | 34 min |
| Jan 21, 9:14 PM CST | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 46 min |
| Jan 21, 9:31 PM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 44 min |
| Jan 21, 9:33 PM CST | Special Marine Warning | MOB | 57 min | |
| Jan 21, 9:56 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 49 min |
| Jan 21, 10:16 PM CST | Special Weather Statement | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 59 min |
| Jan 21, 10:19 PM CST | Severe Thunderstorm Warning | MOB | Butler, Monroe, Wilcox | 41 min |
| Jan 21, 10:20 PM CST | Special Marine Warning | MOB | 85 min | |
| Jan 21, 10:25 PM CST | Flash Flood Warning | MOB | Covington | 6 hr |
| Jan 21, 11:15 PM CST | Special Weather Statement | MOB | Butler, Clarke, Conecuh, Covington, Crenshaw, Monroe and 2 more | 75 min |
| Jan 21, 11:24 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Wilcox | 16 min |
| Jan 21, 11:25 PM CST | Special Weather Statement | MOB | Choctaw | 50 min |
| Jan 22, 12:35 AM CST | Special Marine Warning | MOB | 115 min | |
| Jan 22, 6:53 AM CST | Special Marine Warning | MOB | 82 min | |
| Jan 22, 7:56 AM CST | Special Marine Warning | MOB | 49 min | |
| Jan 22, 8:13 AM CST | Special Marine Warning | MOB | 2 hr | |
| Jan 22, 8:32 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 43 min |
| Jan 22, 8:35 AM CST | Special Marine Warning | MOB | 55 min | |
| Jan 22, 8:44 AM CST | Special Marine Warning | MOB | 61 min | |
| Jan 22, 9:10 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 50 min |
| Jan 22, 9:31 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 44 min |
| Jan 22, 9:33 AM CST | Special Marine Warning | MOB | 42 min | |
| Jan 22, 9:54 AM CST | Special Weather Statement | MOB | Washington | 51 min |
| Jan 22, 10:02 AM CST | Special Marine Warning | MOB | 58 min | |
| Jan 22, 10:04 AM CST | Tornado Warning | MOB | Covington, Escambia | 41 min |
| Jan 22, 10:11 AM CST | Special Marine Warning | MOB | 49 min | |
| Jan 22, 10:29 AM CST | Severe Thunderstorm Warning | MOB | Covington, Escambia | 46 min |
| Jan 22, 10:34 AM CST | Special Weather Statement | MOB | Monroe | 41 min |
| Jan 22, 10:52 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Washington | 23 min |
| Jan 22, 10:54 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Conecuh, Monroe | 36 min |
| Jan 22, 10:58 AM CST | Special Marine Warning | MOB | 47 min | |
| Jan 22, 11:02 AM CST | Severe Thunderstorm Warning | MOB | Covington | 58 min |
| Jan 22, 11:03 AM CST | Special Weather Statement | MOB | Baldwin, Escambia | 42 min |
| Jan 22, 11:07 AM CST | Tornado Warning | MOB | Covington | 38 min |
| Jan 22, 11:13 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Washington, Wilcox | 36 min |
| Jan 22, 11:24 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw, Monroe, Wilcox | 51 min |
| Jan 22, 11:39 AM CST | Special Marine Warning | MOB | 66 min | |
| Jan 22, 12:08 PM CST | Special Weather Statement | MOB | Butler, Crenshaw | 52 min |
| Jan 22, 12:26 PM CST | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 34 min |
| Jan 22, 4:15 PM CST | River Flood Warning | MOB | Escambia | 3 days |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2017Severe Thunderstorm Warnings in Alabama, 2017Every severe thunderstorm warning 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.