Alert archive / Alabama / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 209, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 30, 2017, 1:59 PM CDT for Baldwin County, Mobile County, Alabama. It was in force for 46 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, 1:59 PM CDT (18:59 UTC)
- Expired
- Aug 30, 2017, 2:45 PM CDT
- In force
- 46 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
The radar
The Mobile radar (KMOB), 30 km from the middle of the area, began a volume at 19:01 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, 7.0 hours before the alert went out and 175 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.
718 WUUS54 KMOB 301859 SVRMOB ALC003-097-301945- /O.NEW.KMOB.SV.W.0209.170830T1859Z-170830T1945Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Mobile AL 159 PM CDT WED AUG 30 2017 The National Weather Service in Mobile has issued a * Severe Thunderstorm Warning for... Northeastern Mobile County in southwestern Alabama... Northwestern Baldwin County in southwestern Alabama... * Until 245 PM CDT * At 158 PM CDT, a severe thunderstorm was located between Chickasaw and Prichard, moving northeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Downtown Mobile, Prichard, Saraland, Chickasaw, Satsuma, Creola, Stockton, Axis, Mount Vernon, I65 And I165, I65 And AL 225, I65 And AL 158 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. && A tornado watch remains in effect until 600 PM CDT for southwestern Alabama. LAT...LON 3076 8818 3116 8800 3100 8773 3070 8805 TIME...MOT...LOC 1858Z 204DEG 25KT 3075 8808 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ Butts
3 follow-up statements
712
WWUS54 KMOB 301910
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
210 PM CDT WED AUG 30 2017
ALC003-097-301945-
/O.CON.KMOB.SV.W.0209.000000T0000Z-170830T1945Z/
Mobile AL-Baldwin AL-
210 PM CDT WED AUG 30 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR NORTHEASTERN MOBILE AND NORTHWESTERN BALDWIN COUNTIES...
At 210 PM CDT, a severe thunderstorm was located over Satsuma, moving
north at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Saraland, Satsuma, Creola, Stockton, Axis, Mount Vernon, I65 And AL
225 and Movico.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Additional statements will be issued as conditions warrant.
&&
A tornado watch remains in effect until 600 PM CDT for southwestern
Alabama.
LAT...LON 3083 8815 3116 8800 3102 8777 3102 8776
3077 8804
TIME...MOT...LOC 1910Z 198DEG 28KT 3085 8805
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
Butts043
WWUS54 KMOB 301929
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
229 PM CDT WED AUG 30 2017
ALC003-301937-
/O.CAN.KMOB.SV.W.0209.000000T0000Z-170830T1945Z/
Baldwin AL-
229 PM CDT WED AUG 30 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BALDWIN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning is no longer
expected to affect northwestern Baldwin County. Therefore, the
warning has been cancelled.
A tornado watch remains in effect until 600 PM CDT for southwestern
Alabama.
Additional statements will be issued as conditions warrant.
LAT...LON 3092 8811 3116 8800 3112 8794 3109 8797
3107 8796 3109 8791 3103 8795 3103 8790
3106 8790 3108 8787 3106 8789 3107 8787
3106 8788 3105 8786 3104 8789 3104 8787
3100 8789 3091 8797
TIME...MOT...LOC 1927Z 192DEG 27KT 3098 8803
$$
ALC097-301945-
/O.CON.KMOB.SV.W.0209.000000T0000Z-170830T1945Z/
Mobile AL-
229 PM CDT WED AUG 30 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR NORTHEASTERN MOBILE COUNTY...
At 227 PM CDT, a severe thunderstorm was located near Bucks, moving
north at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Axis, Mount Vernon and Movico.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Additional statements will be issued as conditions warrant.
&&
A tornado watch remains in effect until 600 PM CDT for southwestern
Alabama.
LAT...LON 3092 8811 3116 8800 3112 8794 3109 8797
3107 8796 3109 8791 3103 8795 3103 8790
3106 8790 3108 8787 3106 8789 3107 8787
3106 8788 3105 8786 3104 8789 3104 8787
3100 8789 3091 8797
TIME...MOT...LOC 1927Z 192DEG 27KT 3098 8803
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
Butts940
WWUS54 KMOB 301941
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
241 PM CDT WED AUG 30 2017
ALC097-301950-
/O.EXP.KMOB.SV.W.0209.000000T0000Z-170830T1945Z/
Mobile AL-
241 PM CDT WED AUG 30 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MOBILE COUNTY
WILL EXPIRE AT 245 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire at 245 pm. However,
gusty winds are still possible with this thunderstorm.
A tornado watch remains in effect until 600 PM CDT for southwestern
Alabama.
Additional statements will be issued as conditions warrant.
LAT...LON 3092 8811 3116 8800 3112 8794 3109 8797
3107 8796 3109 8791 3103 8795 3103 8790
3106 8790 3108 8787 3106 8789 3107 8787
3106 8788 3105 8786 3104 8789 3104 8787
3100 8789 3091 8797
TIME...MOT...LOC 1940Z 204DEG 25KT 3106 8799
$$
ButtsThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 12:33 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 42 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, 12:59 PM CDT | Tornado Warning | MOB | Washington | 22 min |
| Aug 30, 1:06 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile, Washington | 39 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, 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 |
| Aug 30, 6:51 PM CDT | Tornado Warning | MOB | Washington | 39 min |
Nearby
Severe 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.