Alert archive / Alabama / Special Marine Warnings in 2017

Special Marine Warning 331, NWS Mobile, AL

August 31, 2017

NWS Mobile, AL issued this special marine warning at Aug 31, 2017, 12:56 PM CDT. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 31, 2017, 12:56 PM CDT (17:56 UTC)
Expired: Aug 31, 2017, 2:00 PM CDT
In force: 64 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.0 in
Wind: 34.0 mph

What forecasters said that day

The local office's own words before this special marine warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this special marine warning went out at Aug 31, 12:26 PM CDT, 30 minutes earlier.

Area forecast discussion, Aug 31, 12:26 PM CDT, 30 minutes before

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Hazardous weather outlook, Aug 31, 6:00 AM CDT, 6 hours 56 minutes before

Hazardous Weather Outlook
National Weather Service Mobile AL
600 AM CDT Thu Aug 31 2017

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-011100-
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
600 AM CDT Thu Aug 31 2017

This Hazardous Weather Outlook is for portions of south central
Alabama...southwest Alabama...northwest Florida and southeast
Mississippi.

.DAY ONE...Today and Tonight

Locally heavy rainfall possible today, mainly for areas east of
the Alabama River where a Flash Flood Watch is in effect.

A few brief tornadoes are possible, generally east of the Alabama
River this morning and across much of the outlook area this
afternoon.

A High Surf Advisory remains in effect for coastal Alabama and
northwest Florida beaches today. Rip current risk will remain
high through tonight.

Coastal Flood Advisory in effect for the Alabama coast.

Breezy to windy conditions are expected across the coastal areas
of Alabama and the western Florida panhandle today.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A moderate rip current risk is forecast for Friday and Friday
night.

.SPOTTER INFORMATION STATEMENT...

Activation of SkyWarn Severe Storm Spotter networks is not
expected through Wednesday.

GMZ630>635-650-655-670-675-011100-
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Destin to Pensacola FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Destin to Pensacola FL from 20 to 60 NM-
600 AM CDT Thu Aug 31 2017

This Hazardous Weather Outlook is for portions of the coastal
waters of Alabama and northwest Florida.

.DAY ONE...Today and Tonight

A Small Craft Advisory is in effect for strong southerly winds
and high seas through this evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

In the hours before

Local storm report, Aug 31, 8:08 AM CDT, 4 hours 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
808 AM CDT THU AUG 31 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0732 AM     MARINE TSTM WIND 2 WSW WOODLAWN BEACH    30.38N 87.02W
08/31/2017  M42 MPH          SANTA ROSA         FL   MESONET

            GB SOUNDSIDE WEATHER STATION MEASURED A THUNDERSTORM WIND
            GUST OF 42MPH. MEASUREMENT VIA WEATHERFLOW.

&&

MB

Local storm report, Aug 31, 8:32 AM CDT, 4 hours 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
832 AM CDT THU AUG 31 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0808 AM     MARINE TSTM WIND 4 W DESTIN              30.40N 86.56W
08/31/2017  M41 MPH          GMZ635             FL   MESONET

            WIND GUST OF 41MPH MEASURED AT THE XFWB WEATHERFLOW SITE
            IN FORT WALTON BEACH.

&&

MB

Special weather statement, Aug 31, 9:31 AM CDT, 3 hours 25 minutes before

Special Weather Statement
National Weather Service Mobile AL
931 AM CDT THU AUG 31 2017

FLZ205-206-311500-
Okaloosa Inland FL-Okaloosa Coastal FL-
931 AM CDT THU AUG 31 2017

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHEASTERN OKALOOSA COUNTY UNTIL 1000 AM CDT...

At 931 AM CDT, the strong thunderstorm was located near Destin,
moving northeast at 35 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Niceville, Destin, Eglin AFB and Valparaiso.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3033 8664 3065 8642 3064 8639 3046 8639
      3048 8633 3047 8630 3048 8628 3045 8628
      3042 8631 3042 8632 3038 8634 3040 8639
      3038 8640 3038 8650 3029 8650 3029 8656
TIME...MOT...LOC 1431Z 211DEG 32KT 3035 8651

Special weather statement, Aug 31, 9:48 AM CDT, 3 hours 8 minutes before

Special Weather Statement
National Weather Service Mobile AL
948 AM CDT THU AUG 31 2017

FLZ205-311530-
Okaloosa Inland FL-
948 AM CDT THU AUG 31 2017

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHEASTERN OKALOOSA COUNTY UNTIL 1030 AM CDT...

At 947 AM CDT, the strong thunderstorm was located 8 miles northwest
of Valparaiso, moving north at 30 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Crestview and Laurel Hill.

LAT...LON 3056 8650 3058 8667 3100 8657 3099 8639
      3077 8639
TIME...MOT...LOC 1447Z 197DEG 26KT 3060 8658

Special weather statement, Aug 31, 10:20 AM CDT, 2 hours 36 minutes before

Special Weather Statement
National Weather Service Mobile AL
1020 AM CDT THU AUG 31 2017

ALZ051-052-MSZ067-075-076-311600-
Choctaw AL-Washington AL-Perry MS-Greene MS-Wayne MS-
1020 AM CDT THU AUG 31 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...CHOCTAW...NORTHWESTERN WASHINGTON...EASTERN PERRY...WAYNE
AND NORTHERN GREENE COUNTIES UNTIL 1100 AM CDT...

At 1019 AM CDT, the strong thunderstorms were located along a line
extending from 8 miles south of Crandall to 7 miles south of Clara to
McLain, and moving northeast at 45 mph.

Winds of 40 to 50 mph will be possible with these storms.

Locations impacted include...
Waynesboro, Butler, Clara, Lisman, Millry, McLain, State Line,
Buckatunna, Silas, Fruitdale, Gilbertown and Toxey.

LAT...LON 3231 8808 3197 8819 3136 8834 3098 8896
      3184 8875 3190 8847 3229 8842 3231 8838
TIME...MOT...LOC 1519Z 217DEG 39KT 3186 8853 3147 8866 3112 8882

Special weather statement, Aug 31, 11:06 AM CDT, 1 hour 50 minutes before

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The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 30, 7:31 PM CDT	Special Weather Statement	MOB	Washington	44 min
Aug 31, 1:17 AM CDT	Special Marine Warning	MOB		43 min
Aug 31, 2:17 AM CDT	Special Marine Warning	MOB		28 min
Aug 31, 3:11 AM CDT	Special Weather Statement	MOB	Covington	34 min
Aug 31, 4:38 AM CDT	Special Weather Statement	MOB	Mobile	37 min
Aug 31, 4:40 AM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Aug 31, 4:50 AM CDT	Areal Flood Advisory	MOB	Covington	3 hr
Aug 31, 6:35 AM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Aug 31, 6:45 AM CDT	Special Marine Warning	MOB		60 min
Aug 31, 7:16 AM CDT	Special Weather Statement	MOB	Covington	59 min
Aug 31, 7:37 AM CDT	Areal Flood Advisory	MOB	Covington, Escambia	3 hr
Aug 31, 8:00 AM CDT	Special Marine Warning	MOB		60 min
Aug 31, 8:01 AM CDT	Special Weather Statement	MOB	Covington	59 min
Aug 31, 9:02 AM CDT	Special Marine Warning	MOB		58 min
Aug 31, 9:06 AM CDT	Special Marine Warning	MOB		54 min
Aug 31, 9:46 AM CDT	Special Marine Warning	MOB		44 min
Aug 31, 10:00 AM CDT	Special Marine Warning	MOB		60 min
Aug 31, 10:20 AM CDT	Special Weather Statement	MOB	Choctaw	40 min
Aug 31, 11:03 AM CDT	Special Marine Warning	MOB		57 min
Aug 31, 11:06 AM CDT	Special Weather Statement	MOB	Choctaw	39 min
Aug 31, 11:37 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke	38 min
Aug 31, 3:03 PM CDT	River Flood Warning	MOB	Covington, Escambia	54 hr
Aug 31, 3:06 PM CDT	River Flood Warning	MOB	Baldwin	22 hr
Aug 31, 3:46 PM CDT	Special Weather Statement	MOB	Wilcox	14 min
Aug 31, 7:10 AM CDT	Special Weather Statement	MOB	Santa Rosa	35 min
Aug 31, 9:31 AM CDT	Special Weather Statement	MOB	Okaloosa	29 min
Aug 31, 9:48 AM CDT	Special Weather Statement	MOB	Okaloosa	42 min
Aug 31, 10:16 AM CDT	Flash Flood Warning	MOB	Okaloosa	3 hr
Aug 31, 10:33 AM CDT	River Flood Warning	MOB	Okaloosa	3 days
Aug 31, 10:54 AM CDT	Areal Flood Advisory	MOB	Okaloosa	51 min
Aug 31, 1:36 PM CDT	Special Weather Statement	MOB	Wayne	39 min

Nearby

Special Marine Warnings in Alabama, 2017 Every special marine 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.