Alert archive / Alabama / Special Weather Statements in 2015

Special Weather Statement, NWS Mobile, AL

April 10, 2015Butler County, Alabama

NWS Mobile, AL issued this special weather statement at Apr 10, 2015, 3:09 PM CDT for Butler County, Alabama. It was in force for 66 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 10, 2015, 3:09 PM CDT (20:09 UTC)
Expired: Apr 10, 2015, 4:15 PM CDT
In force: 66 min
Issued by: NWS Mobile, AL

County Butler County, AL

The radar

The Maxwell AFB radar (KMXX), 153 km from the middle of the area, began a volume at 20:11 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, 8.2 hours before the alert went out and 163 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: 554 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 10, 1:56 PM CDT, 1 hour 13 minutes earlier.

Area forecast discussion, Apr 10, 1:56 PM CDT, 1 hour 13 minutes before

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Hazardous weather outlook, Apr 10, 5:51 AM CDT, 9 hours 18 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
551 AM CDT FRI APR 10 2015

ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-111100-
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-WAYNE-PERRY-
GREENE-STONE-GEORGE-
551 AM CDT FRI APR 10 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT

A MODERATE RISK OF RIP CURRENTS IS FORECAST TODAY AND TONIGHT ALONG
AREA BEACHES.

A COLD FRONT APPROACHES THE CENTRAL GULF COAST TODAY. WITH DEEP
LAYER MOISTURE AHEAD OF THE FRONT BEING PLENTIFUL AND ALONG WITH
MARGINAL INSTABILITY...SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
INCREASE IN COVERAGE THROUGH THE COURSE OF THE DAY. THE HIGHER
COVERAGE IS EXPECTED TO BE ALONG AND NORTHWEST OF INTERSTATE 65. A
FEW OF THE STORMS THIS AFTERNOON...CARRYING OVER INTO THE EVENING...HAVE
THE POTENTIAL OF BECOMING STRONG TO BRIEFLY SEVERE. THE MAIN THREAT
IN ANY SEVERE STORMS WILL BE ISOLATED OCCURRENCES OF DAMAGING
STRAIGHT LINE WINDS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A MODERATE RISK OF RIP CURRENTS IS FORECAST SATURDAY AND SUNDAY ALONG
AREA BEACHES.

ALTHOUGH CHANCES OF STORMS REMAIN IN THE FORECAST...THE RISK OF
SEVERE STORMS IS LOW DURING THE OUTLOOK.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS IS NOT
EXPECTED THROUGH THURSDAY.

GMZ630>635-650-655-670-675-111100-
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-
551 AM CDT FRI APR 10 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL
WATERS OF ALABAMA AND NORTHWEST FLORIDA.

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT IS FORECAST TO SLIP SOUTHWARD TO THE COAST THIS EVENING
AND SETTLE ACROSS THE COASTAL WATERS TONIGHT...WHERE IT BECOMES
STATIONARY. SCATTERED SHOWERS AND STORMS WILL BRING THE POTENTIAL OF
BRIEF STRONG WIND GUSTS...LOCALLY HIGHER WAVES OVER BAYS AND
SOUNDS...LOCALLY HIGHER SEAS...BRIEF VISIBILITY REDUCING HEAVY
RAINFALL AND OCCASIONAL TO FREQUENT CLOUD TO WATER LIGHTNING ACTIVITY
BY THIS AFTERNOON AND INTO TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ALTHOUGH CHANCES OF STORMS REMAIN IN THE FORECAST...THE RISK OF
SEVERE STORMS IS LOW DURING THE OUTLOOK.

In the hours before

Special weather statement, Apr 10, 11:29 AM CDT, 3 hours 40 minutes before

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Special weather statement, Apr 10, 1:01 PM CDT, 2 hours 8 minutes before

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Special weather statement, Apr 10, 1:38 PM CDT, 1 hour 31 minutes before

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Special weather statement, Apr 10, 1:45 PM CDT, 1 hour 24 minutes before

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Special weather statement, Apr 10, 1:52 PM CDT, 1 hour 17 minutes before

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Special weather statement, Apr 10, 3:09 PM 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 10, 11:08 AM CDT	Special Weather Statement	MOB	Baldwin	52 min
Apr 10, 11:16 AM CDT	Special Weather Statement	MOB	Butler	59 min
Apr 10, 11:29 AM CDT	Special Weather Statement	MOB	Mobile	61 min
Apr 10, 1:01 PM CDT	Special Weather Statement	MOB	Choctaw	59 min
Apr 10, 1:45 PM CDT	Special Weather Statement	MOB	Crenshaw	60 min
Apr 10, 1:52 PM CDT	Special Weather Statement	MOB	Clarke	53 min
Apr 10, 3:53 PM CDT	Special Weather Statement	MOB	Monroe	67 min
Apr 10, 4:21 PM CDT	Special Weather Statement	MOB	Butler	54 min
Apr 10, 4:27 PM CDT	Special Weather Statement	MOB	Mobile	63 min
Apr 10, 5:11 PM CDT	Special Weather Statement	MOB	Crenshaw	34 min
Apr 10, 5:13 PM CDT	Special Weather Statement	MOB	Conecuh	62 min
Apr 10, 5:19 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington	21 min
Apr 10, 1:38 PM CDT	Special Weather Statement	MOB	Santa Rosa	52 min
Apr 10, 2:07 PM CDT	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	53 min
Apr 10, 6:20 AM CDT	Special Weather Statement	MOB	George	25 min
Apr 10, 6:51 AM CDT	Special Weather Statement	MOB	George	39 min
Apr 10, 4:17 PM CDT	Special Weather Statement	MOB	Greene	58 min

Nearby

Special Weather Statements in Alabama, 2015 Every special weather statement in 2015

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.