Alert archive / Alabama / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 207, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 30, 2017, 1:06 PM CDT for Greene County, Mississippi; Baldwin County, Mobile County, Washington County, Alabama. It was in force for 39 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
- Aug 30, 2017, 1:06 PM CDT (18:06 UTC)
- Expired
- Aug 30, 2017, 1:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Baldwin County, AL, Mobile County, AL, Washington County, AL, Greene County, MS
The radar
The Mobile radar (KMOB), 64 km from the middle of the area, began a volume at 18:07 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 |
|---|---|---|---|
| Aug 30, 10:22 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.1 hours before the alert went out and 192 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
- 1853 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 310 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 13.7
The text
As transmitted.
593
WUUS54 KMOB 301806
SVRMOB
ALC003-097-129-MSC041-301845-
/O.NEW.KMOB.SV.W.0207.170830T1806Z-170830T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
106 PM CDT WED AUG 30 2017
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Northern Mobile County in southwestern Alabama...
Northwestern Baldwin County in southwestern Alabama...
Washington County in southwestern Alabama...
Southeastern Greene County in southeastern Mississippi...
* Until 145 PM CDT
* At 104 PM CDT, severe thunderstorms were located along a line
extending from 6 miles east of Leakesville to just west of
Citronelle to near Wilmer, moving north at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Citronelle, Chatom, Chunchula, Saint Stephens, Wagarville, Leroy,
Gulfcrest, Deer Park, Tibbie, Calvert, Mount Vernon, McIntosh and
Movico.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Frequent 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.
&&
A tornado watch remains in effect until 600 PM CDT for southwestern
Alabama...and southeastern Mississippi.
LAT...LON 3078 8836 3096 8836 3108 8855 3150 8827
3161 8808 3150 8791 3144 8793 3140 8791
3138 8795 3139 8791 3136 8789 3131 8796
3127 8795 3126 8799 3122 8793 3116 8794
3116 8797 3115 8797 3114 8787 3104 8785
TIME...MOT...LOC 1804Z 201DEG 45KT 3113 8845 3107 8829 3086 8829
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
Butts1 follow-up statement
716
WWUS54 KMOB 301824
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
124 PM CDT WED AUG 30 2017
MSC041-301832-
/O.CAN.KMOB.SV.W.0207.000000T0000Z-170830T1845Z/
Greene MS-
124 PM CDT WED AUG 30 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GREENE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 600 PM CDT for southwestern
Alabama...and southeastern Mississippi.
Additional statements will be issued as conditions warrant.
LAT...LON 3078 8836 3096 8836 3100 8843 3125 8844
3150 8827 3161 8808 3150 8791 3144 8793
3140 8791 3138 8795 3139 8791 3136 8789
3127 8795 3126 8799 3122 8793 3116 8794
3116 8797 3115 8797 3114 8787 3104 8785
TIME...MOT...LOC 1822Z 205DEG 30KT 3124 8838 3118 8822 3097 8822
$$
ALC003-097-129-301845-
/O.CON.KMOB.SV.W.0207.000000T0000Z-170830T1845Z/
Mobile AL-Baldwin AL-Washington AL-
124 PM CDT WED AUG 30 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT
FOR NORTHERN MOBILE...NORTHWESTERN BALDWIN AND WASHINGTON COUNTIES...
At 122 PM CDT, severe thunderstorms were located along a line
extending from near Deer Park, to 6 miles north of Citronelle to
Gulfcrest, moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Citronelle, Chatom, Chunchula, Saint Stephens, Wagarville, Leroy,
Gulfcrest, Deer Park, Tibbie, Calvert, Mount Vernon, McIntosh and
Movico.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Additional statements will be issued as conditions warrant.
&&
A tornado watch remains in effect until 600 PM CDT for southwestern
Alabama...and southeastern Mississippi.
LAT...LON 3078 8836 3096 8836 3100 8843 3125 8844
3150 8827 3161 8808 3150 8791 3144 8793
3140 8791 3138 8795 3139 8791 3136 8789
3127 8795 3126 8799 3122 8793 3116 8794
3116 8797 3115 8797 3114 8787 3104 8785
TIME...MOT...LOC 1822Z 205DEG 30KT 3124 8838 3118 8822 3097 8822
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
ButtsThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 10:26 AM CDT | Tornado Warning | MOB | Stone | 19 min |
| Aug 30, 11:34 AM CDT | Tornado Warning | MOB | George | 26 min |
| Aug 30, 11:49 AM CDT | Tornado Warning | MOB | Perry | 41 min |
| Aug 30, 11:59 AM CDT | Tornado Warning | MOB | George, Greene | 46 min |
| Aug 30, 12:33 PM CDT | Severe Thunderstorm Warning | MOB | George | 42 min |
| Aug 30, 12:59 PM CDT | Tornado Warning | MOB | Greene | 22 min |
| Aug 30, 1:10 PM CDT | Special Weather Statement | MOB | Perry, Stone | 50 min |
| Aug 30, 1:20 PM CDT | Severe Thunderstorm Warning | MOB | Perry, Stone | 40 min |
| Aug 30, 2:04 PM CDT | Special Weather Statement | MOB | Greene, Wayne | 56 min |
| Aug 30, 5:49 PM CDT | Special Weather Statement | MOB | George | 41 min |
| Aug 30, 6:41 PM CDT | Special Weather Statement | MOB | Greene | 49 min |
| Aug 30, 6:51 PM CDT | Tornado Warning | MOB | Greene | 39 min |
| Aug 29, 7:32 PM CDT | Flash Flood Warning | MOB | Mobile | 4 hr |
| Aug 29, 8:01 PM CDT | River Flood Warning | MOB | Baldwin | 41 hr |
| Aug 29, 8:03 PM CDT | River Flood Warning | MOB | Baldwin | 63 hr |
| Aug 29, 8:07 PM CDT | River Flood Warning | MOB | Baldwin | 3 days |
| Aug 30, 1:36 AM CDT | Special Marine Warning | MOB | 54 min | |
| Aug 30, 1:59 AM CDT | Special Marine Warning | MOB | 91 min | |
| Aug 30, 2:31 AM CDT | Special Marine Warning | MOB | 59 min | |
| Aug 30, 2:41 AM CDT | Special Marine Warning | MOB | 64 min | |
| Aug 30, 2:52 AM CDT | Areal Flood Advisory | MOB | Mobile | 3 hr |
| Aug 30, 3:28 AM CDT | Special Marine Warning | MOB | 92 min | |
| Aug 30, 3:42 AM CDT | Special Weather Statement | MOB | Mobile | 48 min |
| Aug 30, 3:44 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Aug 30, 4:07 AM CDT | Special Weather Statement | MOB | Baldwin | 38 min |
| Aug 30, 4:14 AM CDT | Special Weather Statement | MOB | Baldwin | 46 min |
| Aug 30, 4:15 AM CDT | Wind Advisory | MOB | Baldwin, Mobile | 38 hr |
| Aug 30, 4:18 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 42 min |
| Aug 30, 4:21 AM CDT | Tornado Warning | MOB | Baldwin | 24 min |
| Aug 30, 4:59 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Aug 30, 5:06 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 30, 5:31 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 30, 5:38 AM CDT | Special Marine Warning | MOB | 82 min | |
| Aug 30, 6:35 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 30, 6:55 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Aug 30, 7:07 AM CDT | Coastal Flood Advisory | MOB | Baldwin, Mobile | 35 hr |
| Aug 30, 7:07 AM CDT | High Surf Advisory | MOB | Baldwin, Mobile | 35 hr |
| Aug 30, 7:23 AM CDT | Areal Flood Advisory | MOB | Mobile | 3 hr |
| Aug 30, 7:32 AM CDT | Flash Flood Warning | MOB | Mobile | 3 hr |
| Aug 30, 7:41 AM CDT | Flash Flood Warning | MOB | Baldwin | 3 hr |
| Aug 30, 8:30 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 30, 8:51 AM CDT | Special Marine Warning | MOB | 114 min | |
| Aug 30, 12:45 PM CDT | Special Marine Warning | MOB | 90 min | |
| Aug 30, 12:52 PM CDT | River Flood Warning | MOB | Escambia | 63 hr |
| Aug 30, 12:54 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 66 min |
| Aug 30, 1:17 PM CDT | River Flood Warning | MOB | Covington, Escambia | 48 hr |
| Aug 30, 1:30 PM CDT | River Flood Warning | MOB | Mobile | 42 hr |
| Aug 30, 1:46 PM CDT | Special Weather Statement | MOB | Washington | 44 min |
| Aug 30, 1:59 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 46 min |
| Aug 30, 3:01 PM CDT | Special Weather Statement | MOB | Mobile | 29 min |
| Aug 30, 3:12 PM CDT | Special Weather Statement | MOB | Baldwin | 48 min |
| Aug 30, 3:17 PM CDT | Special Marine Warning | MOB | 58 min | |
| Aug 30, 3:28 PM CDT | Special Weather Statement | MOB | Monroe | 47 min |
| Aug 30, 3:35 PM CDT | Special Marine Warning | MOB | 85 min | |
| Aug 30, 3:56 PM CDT | Special Weather Statement | MOB | Monroe | 64 min |
| Aug 30, 4:14 PM CDT | Special Marine Warning | MOB | 31 min | |
| Aug 30, 4:20 PM CDT | Tornado Warning | MOB | Baldwin | 25 min |
| Aug 30, 4:39 PM CDT | Special Weather Statement | MOB | Covington | 66 min |
| Aug 30, 4:53 PM CDT | Special Marine Warning | MOB | 97 min | |
| Aug 30, 4:58 PM CDT | Special Weather Statement | MOB | Crenshaw | 47 min |
| Aug 30, 5:10 PM CDT | Special Weather Statement | MOB | Butler | 50 min |
| Aug 30, 5:15 PM CDT | Tornado Warning | MOB | Crenshaw | 45 min |
| Aug 30, 5:45 PM CDT | Special Weather Statement | MOB | Escambia | 45 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2017Severe Thunderstorm Warnings in Mississippi, 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.