Alert archive / Alabama / Special Weather Statements in 2019

Special Weather Statement, NWS Mobile, AL

April 6, 2019Butler County, Alabama

NWS Mobile, AL issued this special weather statement at Apr 6, 2019, 4:24 PM CDT for Butler County, Alabama. It was in force for 36 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
Apr 6, 2019, 4:24 PM CDT (21:24 UTC)
Expired
Apr 6, 2019, 5:00 PM CDT
In force
36 min
Issued by
NWS Mobile, AL

County Butler County, AL

The radar

The Ft Rucker radar (KEOX), 107 km from the middle of the area, began a volume at 21:27 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, 9.4 hours before the alert went out and 177 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2019-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2019-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
160 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Apr 6, 1:40 PM CDT, 2 hours 44 minutes earlier.

Area forecast discussion, Apr 6, 1:40 PM CDT, 2 hours 44 minutes before
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Hazardous weather outlook, Apr 6, 5:54 AM CDT, 10 hours 30 minutes before
Hazardous Weather Outlook
National Weather Service Mobile AL
554 AM CDT Sat Apr 6 2019

ALZ051>060-261>264-FLZ201-203-205-MSZ067-075-076-078-079-071100-
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Escambia Inland-Santa Rosa Inland-Okaloosa Inland-
Wayne-Perry-Greene-Stone-George-
554 AM CDT Sat Apr 6 2019

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

.DAY ONE...Today and Tonight

There is a Marginal Risk of severe storms over the northern half of
the area this afternoon and early evening. Damaging wind gusts will
be the primary threats from any strong to severe storms that develop.

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

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a Slight Risk of severe thunderstorms on Sunday, mainly late, for interior
southeast Mississippi and a Marginal Risk of severe thunderstorms is expected for
parts of southwest Alabama. Damaging wind gusts and perhaps a brief tornado possible.
There is also a Marginal Risk of severe thunderstorms across the entire area on Monday.

A moderate risk for rip currents continues along the Gulf beaches of Alabama
and northwest Florida through Sunday through Tuesday.

.SPOTTER INFORMATION STATEMENT...

Activation of SkyWarn severe spotter networks is not expected through tonight.

ALZ265-266-FLZ202-204-206-071100-
Mobile Coastal-Baldwin Coastal-Escambia Coastal-
Santa Rosa Coastal-Okaloosa Coastal-
554 AM CDT Sat Apr 6 2019

This Hazardous Weather Outlook is for portions of southwest
Alabama and northwest Florida.

.DAY ONE...Today 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...Sunday through Friday

There is a Marginal Risk of severe thunderstorms late on Sunday, mainly for areas
west of Mobile Bay (Mobile county). Damaging wind gusts and perhaps a brief
tornado possible. There is also a Marginal Risk of severe thunderstorms across
the entire area on Monday.

A moderate risk for rip currents continues along the Gulf beaches of Alabama
and northwest Florida through Sunday through Tuesday.

.SPOTTER INFORMATION STATEMENT...

Activation of SkyWarn severe spotter networks is not expected through tonight.

GMZ630>636-650-655-670-675-071100-
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
554 AM CDT Sat Apr 6 2019

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

.DAY ONE...Today and Tonight

Some patchy dense fog near shore and over bays and inland waterways early
this morning and again tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Winds and seas may create hazardous conditions for small craft, especially
over the Gulf waters, from late Sunday through late Tuesday.

In the hours before

Special weather statement, Apr 6, 4:24 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Mobile AL
424 PM CDT Sat Apr 6 2019

ALZ057-058-062200-
Butler AL-Crenshaw AL-
424 PM CDT Sat Apr 6 2019

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHEASTERN BUTLER AND WEST CENTRAL CRENSHAW COUNTIES UNTIL 500 PM
CDT...

At 424 PM CDT, the strong thunderstorm was located 5 miles northeast
of McKenzie, or 17 miles south of Greenville, moving northeast at 10
mph.

Dime size hail and winds gusts of 40 to 50 mph will be possible with
this storm.

This storm will remain over mainly rural areas of southeastern Butler
and west central Crenshaw Counties.

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 3152 8656 3152 8666 3156 8675 3179 8663
      3165 8629
TIME...MOT...LOC 2124Z 222DEG 9KT 3157 8663

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 7:07 PM CDTSpecial Weather StatementMOBWashington38 min
Apr 5, 7:22 PM CDTSpecial Marine WarningMOB83 min
Apr 5, 8:45 PM CDTSpecial Marine WarningMOB2 hr
Apr 5, 10:00 PM CDTDense Fog AdvisoryMOBBaldwin, Conecuh, Covington, Escambia, Mobile10 hr
Apr 6, 1:18 PM CDTMarine Dense Fog AdvisoryMOB19 hr
Apr 6, 4:47 PM CDTSpecial Weather StatementMOBButler28 min
Apr 6, 5:01 PM CDTSpecial Weather StatementMOBButler, Crenshaw44 min
Apr 6, 5:16 PM CDTSevere Thunderstorm WarningMOBButler26 min

Nearby

Special Weather Statements in Alabama, 2019Every special weather statement in 2019

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.