Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Mobile, AL

May 29, 2017Escambia County, Alabama; Santa Rosa County, Florida

NWS Mobile, AL issued this special weather statement at May 29, 2017, 6:10 AM CDT for Escambia County, Alabama; Santa Rosa County, Florida. It was in force for 65 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 29, 2017, 6:10 AM CDT (11:10 UTC)
Expired: May 29, 2017, 7:15 AM CDT
In force: 65 min
Issued by: NWS Mobile, AL

Counties Escambia County, AL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 110 km from the middle of the area, began a volume at 11:09 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, 11.2 hours before the alert went out and 251 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: 49 J/kg
Mixed-layer CIN: -397 J/kg
Mixed-layer LCL: 1480 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 29, 5:42 AM CDT, 28 minutes earlier.

Area forecast discussion, May 29, 5:42 AM CDT, 28 minutes before

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Hazardous weather outlook, May 28, 3:31 PM CDT, 14 hours 39 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Mobile AL
331 PM CDT Sun May 28 2017

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-291215-
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-
331 PM CDT Sun May 28 2017

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

.DAY ONE...This Afternoon and Tonight

There is a moderate risk for rip currents along the Gulf beaches
of Alabama and Northwest Florida through tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

A moderate risk for rip currents will continues along the gulf
beaches of Alabama and Northwest Florida through Monday.

A few strong storms are possible across the area on Monday as
scattered showers and thunderstorms develop near the coast in the
morning and spread inland and become more numerous in the
afternoon. Gusty winds, small hail, frequent lightning, and
can be expected with the stronger storms. Torrential downpours are
also likely which may lead to localized minor flooding, especially
in urban and low lying areas.

.SPOTTER INFORMATION STATEMENT...

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

GMZ630>635-650-655-670-675-291215-
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-
331 PM CDT Sun May 28 2017

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

.DAY ONE...This Afternoon and Tonight

Isolated to scattered thunderstorms will be possible over the
Alabama coastal waters by daybreak Monday. A few of the storms
could produce gusty winds and frequent lightning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Scattered thunderstorms will develop on Monday, especially closer
to shore. A few strong storms with gusty winds and frequent
lightning are possible.

In the hours before

Special weather statement, May 29, 1:56 AM CDT, 4 hours 14 minutes before

Special Weather Statement
National Weather Service Mobile AL
156 AM CDT MON MAY 29 2017

ALZ051>055-MSZ067-075-076-290800-
Clarke AL-Wilcox AL-Monroe AL-Choctaw AL-Washington AL-Perry MS-
Greene MS-Wayne MS-
156 AM CDT MON MAY 29 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...NORTH CENTRAL MONROE...CHOCTAW...NORTHWESTERN
WASHINGTON...NORTHERN CLARKE...WILCOX...NORTHERN PERRY...WAYNE AND
NORTHWESTERN GREENE COUNTIES UNTIL 300 AM CDT...

At 155 AM CDT, the strong thunderstorms were located along a line
extending from near Decatur to near Paulding to Sunrise,and moving
northeast at 35 mph.

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

Locations impacted include...
Waynesboro, Thomasville, Camden, Butler, Grove Hill, Richton, Clara,
Pine Hill, Lisman, Millry, Buckatunna, Silas, Coffeeville,
Pennington, Vredenburgh, Fulton, Gilbertown, Yellow Bluff, Toxey and
Shawnee.

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.

&&

LAT...LON 3231 8793 3228 8802 3218 8801 3209 8804
      3205 8812 3199 8810 3200 8763 3213 8762
      3213 8752 3227 8751 3227 8744 3220 8733
      3205 8717 3183 8711 3126 8915 3143 8915
      3143 8894 3182 8894 3190 8847 3231 8842
TIME...MOT...LOC 0655Z 242DEG 60KT 3241 8904 3199 8901 3132 8920

Special weather statement, May 29, 4:42 AM CDT, 1 hour 28 minutes before

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Special weather statement, May 29, 5:13 AM CDT, 57 minutes before

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Special weather statement, May 29, 5:28 AM CDT, 42 minutes before

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Special weather statement, May 29, 5:58 AM CDT, 12 minutes before

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Special weather statement, May 29, 6:10 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
May 29, 1:56 AM CDT	Special Weather Statement	MOB	Choctaw, Clarke, Wilcox	64 min
May 29, 4:05 AM CDT	Special Marine Warning	MOB		85 min
May 29, 5:13 AM CDT	Special Weather Statement	MOB	Baldwin	62 min
May 29, 5:25 AM CDT	Special Marine Warning	MOB		50 min
May 29, 6:04 AM CDT	Special Marine Warning	MOB		86 min
May 29, 6:59 AM CDT	Special Weather Statement	MOB	Covington	61 min
May 29, 4:42 AM CDT	Special Weather Statement	MOB	Escambia	63 min
May 29, 5:28 AM CDT	Special Weather Statement	MOB	Okaloosa, Santa Rosa	77 min
May 29, 5:58 AM CDT	Special Weather Statement	MOB	Escambia	62 min

Nearby

Special Weather Statements in Alabama, 2017 Special Weather Statements in Florida, 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.