Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Mobile, AL

June 23, 2017Choctaw County, Alabama

NWS Mobile, AL issued this special weather statement at Jun 23, 2017, 3:28 PM CDT for Choctaw County, Alabama. It was in force for 47 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: Jun 23, 2017, 3:28 PM CDT (20:28 UTC)
Expired: Jun 23, 2017, 4:15 PM CDT
In force: 47 min
Issued by: NWS Mobile, AL

County Choctaw County, AL

The radar

The Birmingham radar (KBMX), 159 km from the middle of the area, began a volume at 20:32 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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.5 hours before the alert went out and 159 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 289 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 676 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 230 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 weather statement went out at Jun 23, 12:22 PM CDT, 3 hours 6 minutes earlier.

Area forecast discussion, Jun 23, 12:22 PM CDT, 3 hours 6 minutes before

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Hazardous weather outlook, Jun 23, 7:28 AM CDT, 8 hours before

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In the hours before

Local storm report, Jun 23, 1:17 PM CDT, 2 hours 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
117 PM CDT FRI JUN 23 2017

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

0900 AM     COASTAL FLOOD    2 NE HOLLINGERS ISLAND  30.57N 88.09W
06/23/2017                   MOBILE             AL   DEPT OF HIGHWAYS

            ENTRANCE RAMP TO I-10 FROM THE CAUSEWAY CLOSED DUE TO
            COASTAL FLOODING. ONE LANE CLOSED ON THE EASTBOUND
            PORTION OF THE CAUSEWAY OVER MOBILE BAY DUE TO COASTAL
            FLOODING.

&&

MB

Special weather statement, Jun 23, 3:10 PM CDT, 18 minutes before

Special Weather Statement
National Weather Service Mobile AL
310 PM CDT FRI JUN 23 2017

MSZ067-232100-
Wayne MS-
310 PM CDT FRI JUN 23 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...WESTERN WAYNE COUNTY UNTIL 400 PM CDT...

At 309 PM CDT, the strong thunderstorms were located along a line
extending from Stafford Springs to near Eastabuchie, and moving
northeast at 45 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Waynesboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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

Additional statements will be issued as conditions warrant.

&&

LAT...LON 3182 8894 3184 8873 3188 8852 3169 8864
      3143 8888 3143 8894
TIME...MOT...LOC 2009Z 237DEG 39KT 3192 8892 3147 8922

Butts

Special weather statement, Jun 23, 3:28 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Mobile AL
328 PM CDT FRI JUN 23 2017

ALZ051-232115-
Choctaw AL-
328 PM CDT FRI JUN 23 2017

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHERN CHOCTAW COUNTY UNTIL 415 PM CDT...

At 327 PM CDT, the strong thunderstorm was located over Lisman,
moving northeast at 35 mph.

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

Locations impacted include...
Butler, Lisman and Pennington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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.

Additional statements will be issued as conditions warrant.

&&

LAT...LON 3231 8793 3228 8793 3228 8794 3230 8794
      3230 8800 3228 8801 3228 8802 3226 8801
      3218 8801 3215 8802 3214 8804 3209 8805
      3197 8846 3231 8842
TIME...MOT...LOC 2027Z 236DEG 29KT 3215 8832

Butts

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 7:17 PM CDT	Special Weather Statement	MOB	Choctaw, Clarke, Mobile, Washington	88 min
Jun 22, 7:32 PM CDT	Flash Flood Warning	MOB	Mobile, Washington	6 hr
Jun 22, 8:47 PM CDT	Special Weather Statement	MOB	Choctaw, Clarke, Washington	88 min
Jun 22, 10:00 PM CDT	Flash Flood Warning	MOB	Clarke	6 hr
Jun 22, 10:12 PM CDT	Flash Flood Warning	MOB	Washington	6 hr
Jun 22, 10:49 PM CDT	Special Weather Statement	MOB	Choctaw, Clarke, Washington, Wilcox	86 min
Jun 22, 11:25 PM CDT	Flash Flood Warning	MOB	Mobile	6 hr
Jun 22, 11:37 PM CDT	River Flood Warning	MOB	Dallas, Monroe, Wilcox	5 days
Jun 22, 11:37 PM CDT	River Flood Warning	MOB	Clarke, Monroe, Wilcox	7 days
Jun 23, 1:32 AM CDT	Areal Flood Advisory	MOB	Mobile, Washington	3 hr
Jun 23, 4:35 AM CDT	Flash Flood Watch	MOB	Clarke	34 hr
Jun 23, 5:05 AM CDT	Coastal Flood Warning	MOB	Baldwin, Mobile	13 hr
Jun 23, 3:57 PM CDT	Flash Flood Warning	MOB	Choctaw	6 hr
Jun 23, 4:16 PM CDT	Special Weather Statement	MOB	Choctaw	44 min
Jun 23, 4:58 PM CDT	Special Weather Statement	MOB	Choctaw, Clarke, Wilcox	47 min
Jun 23, 5:26 PM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Washington	6 hr
Jun 23, 5:56 PM CDT	Special Weather Statement	MOB	Clarke, Wilcox	94 min
Jun 23, 6:00 PM CDT	Special Weather Statement	MOB	Washington	45 min
Jun 23, 6:56 PM CDT	Special Weather Statement	MOB	Washington	49 min
Jun 23, 3:10 PM CDT	Special Weather Statement	MOB	Wayne	50 min
Jun 23, 4:12 PM CDT	Flash Flood Warning	MOB	Wayne	6 hr
Jun 23, 4:36 PM CDT	Special Weather Statement	MOB	Greene, Perry, Wayne	39 min
Jun 23, 5:15 PM CDT	Special Weather Statement	MOB	Greene, Perry, Stone	45 min

Nearby

Special Weather Statements in Alabama, 2017 Every special weather statement 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.