Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Mobile, AL

May 1, 2017Crenshaw County, Alabama

NWS Mobile, AL issued this special weather statement at May 1, 2017, 5:48 AM CDT for Crenshaw County, Alabama. It was in force for 42 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: May 1, 2017, 5:48 AM CDT (10:48 UTC)
Expired: May 1, 2017, 6:30 AM CDT
In force: 42 min
Issued by: NWS Mobile, AL

County Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 72 km from the middle of the area, began a volume at 10:49 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 00:00Z, 10.8 hours before the alert went out and 179 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 May 1, 4:56 AM CDT, 52 minutes earlier.

Area forecast discussion, May 1, 4:56 AM CDT, 52 minutes before

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Hazardous weather outlook, Apr 30, 4:33 PM CDT, 13 hours 15 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Mobile AL
433 PM CDT Sun Apr 30 2017

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-012145-
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-
433 PM CDT Sun Apr 30 2017

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

.DAY ONE...Tonight

Periods of showers and storms, some passing with locally heavy
rains, will spread east over the heart of the forecast area this
evening. A few storms could possibly intensify to severe levels
mostly over the Interstate 65 corridor this evening. Isolated
flash flooding or nuisance type flooding over poor drainage areas
possible. The severe weather risk may begin to decrease or become
more marginal after midnight.

A wind advisory remains in effect for the entire area today
through this evening.

High surf, high risk of potentially deadly rip currents and minor
coastal flooding to continue along area shores tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Another approaching storm system could bring another round of
showers and thunderstorms, a few of which could be strong with
locally heavy rainfall late Wednesday into Thursday.

.SPOTTER INFORMATION STATEMENT...

Activation of SkyWarn Severe Storm Spotter networks may be
required this evening.

GMZ630>635-650-655-670-675-012145-
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-
433 PM CDT Sun Apr 30 2017

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

.DAY ONE...Tonight

Small craft advisories remain in effect for strong onshore flow
and high seas. Winds, waves and seas will be locally higher with
the passage of strong marine storms. Visibility reducing heavy
rains possible as well.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Onshore flow sets up and increases by late Wednesday as next
front approaches from the west. Seas trend higher as a result.
Chances of showers and storms to increase as well. Strong offshore
flow returns on Thursday in the wake of the frontal passage.

In the hours before

Special weather statement, May 1, 2:01 AM CDT, 3 hours 47 minutes before

Special Weather Statement
National Weather Service Mobile AL
201 AM CDT MON MAY 1 2017

ALZ053>056-010745-
Clarke AL-Wilcox AL-Monroe AL-Conecuh AL-
201 AM CDT MON MAY 1 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...MONROE...NORTHEASTERN CLARKE...SOUTHERN WILCOX AND NORTH
CENTRAL CONECUH COUNTIES UNTIL 245 AM CDT...

At 201 AM CDT, the strong thunderstorms were located along a line
extending from 9 miles east of Fulton to 10 miles southeast of
Whatley to 7 miles southeast of Jackson,and moving east at 50 to 55
mph.

Half inch hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Monroeville, Evergreen, Peterman, Beatrice, Vredenburgh and Pine
Apple.

LAT...LON 3187 8769 3191 8691 3144 8692 3145 8774
      3162 8770
TIME...MOT...LOC 0701Z 262DEG 47KT 3176 8757 3154 8759 3145 8779

Special weather statement, May 1, 3:31 AM CDT, 2 hours 17 minutes before

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Special weather statement, May 1, 3:47 AM CDT, 2 hours 1 minute before

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Special weather statement, May 1, 4:15 AM CDT, 1 hour 33 minutes before

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Special weather statement, May 1, 5:25 AM CDT, 23 minutes before

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Special weather statement, May 1, 5:48 AM CDT, 0 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
Apr 30, 7:11 PM CDT	Special Weather Statement	MOB	Butler, Covington, Crenshaw	64 min
Apr 30, 7:23 PM CDT	Areal Flood Advisory	MOB	Mobile	3 hr
Apr 30, 7:39 PM CDT	Special Marine Warning	MOB		66 min
Apr 30, 8:07 PM CDT	Flash Flood Warning	MOB	Mobile	6 hr
Apr 30, 8:29 PM CDT	Areal Flood Advisory	MOB	Butler, Covington, Crenshaw	3 hr
Apr 30, 8:35 PM CDT	Special Marine Warning	MOB		85 min
Apr 30, 8:36 PM CDT	High Wind Warning	MOB	Baldwin, Mobile	3 hr
Apr 30, 9:13 PM CDT	Flash Flood Warning	MOB	Baldwin, Mobile	6 hr
Apr 30, 9:47 PM CDT	Special Marine Warning	MOB		88 min
Apr 30, 10:46 PM CDT	Special Weather Statement	MOB	Choctaw	59 min
Apr 30, 10:54 PM CDT	Special Weather Statement	MOB	Baldwin	36 min
Apr 30, 10:58 PM CDT	Special Marine Warning	MOB		92 min
Apr 30, 11:02 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	43 min
Apr 30, 11:06 PM CDT	Special Marine Warning	MOB		54 min
Apr 30, 11:13 PM CDT	Wind Advisory	MOB	Baldwin, Butler, Conecuh, Covington, Crenshaw, Escambia and 2 more	8 hr
Apr 30, 11:31 PM CDT	Special Marine Warning	MOB		59 min
Apr 30, 11:41 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke	49 min
Apr 30, 11:53 PM CDT	Special Weather Statement	MOB	Clarke, Washington	67 min
Apr 30, 11:55 PM CDT	Special Marine Warning	MOB		95 min
May 1, 12:13 AM CDT	Severe Thunderstorm Warning	MOB	Clarke, Wilcox	47 min
May 1, 12:23 AM CDT	Special Marine Warning	MOB		67 min
May 1, 12:56 AM CDT	Special Weather Statement	MOB	Clarke, Washington	49 min
May 1, 1:23 AM CDT	Special Marine Warning	MOB		97 min
May 1, 1:25 AM CDT	Special Marine Warning	MOB		95 min
May 1, 2:01 AM CDT	Special Weather Statement	MOB	Monroe	44 min
May 1, 2:56 AM CDT	Special Marine Warning	MOB		64 min
May 1, 2:58 AM CDT	Special Marine Warning	MOB		2 hr
May 1, 3:31 AM CDT	Special Weather Statement	MOB	Escambia	44 min
May 1, 3:47 AM CDT	Special Weather Statement	MOB	Baldwin	43 min
May 1, 3:53 AM CDT	Special Marine Warning	MOB		2 hr
May 1, 5:08 AM CDT	Special Marine Warning	MOB		112 min
May 1, 5:12 AM CDT	Rip Current Statement	MOB	Baldwin, Mobile	20 hr
May 1, 5:25 AM CDT	Special Weather Statement	MOB	Covington	50 min
May 1, 6:01 AM CDT	Special Marine Warning	MOB		59 min
May 1, 6:01 AM CDT	Severe Thunderstorm Warning	MOB	Covington, Crenshaw	17 min
May 1, 6:52 AM CDT	Special Weather Statement	MOB	Covington	38 min
May 1, 7:00 AM CDT	Special Marine Warning	MOB		2 hr
May 1, 4:15 AM CDT	Special Weather Statement	MOB	Escambia	45 min
Apr 30, 7:39 PM CDT	Special Weather Statement	MOB	Wayne	51 min
Apr 30, 8:44 PM CDT	Special Weather Statement	MOB	Wayne	31 min
Apr 30, 11:17 PM CDT	Areal Flood Advisory	MOB	Wayne	3 hr

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.