Alert archive / Alabama / Special Weather Statements in 2015

Special Weather Statement, NWS Mobile, AL

July 21, 2015Covington County, Alabama

NWS Mobile, AL issued this special weather statement at Jul 21, 2015, 3:16 PM CDT for Covington County, Alabama. It was in force for 59 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: Jul 21, 2015, 3:16 PM CDT (20:16 UTC)
Expired: Jul 21, 2015, 4:15 PM CDT
In force: 59 min
Issued by: NWS Mobile, AL

County Covington County, AL

The radar

The Eglin Afb radar (KEVX), 79 km from the middle of the area, began a volume at 20:18 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.3 hours before the alert went out and 211 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: 880 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1105 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 21, 12:05 PM CDT, 3 hours 11 minutes earlier.

Area forecast discussion, Jul 21, 12:05 PM CDT, 3 hours 11 minutes before

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Hazardous weather outlook, Jul 21, 6:07 AM CDT, 9 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
607 AM CDT TUE JUL 21 2015

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-221200-
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-
607 AM CDT TUE JUL 21 2015

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

.DAY ONE...TODAY AND TONIGHT

DANGEROUS HEAT INDUCES FROM 108 TO 112 CAN BE EXPECTED AGAIN TODAY.

SCATTERED THUNDERSTORMS...A FEW STRONG OR POSSIBLY SEVERE WITH GUSTY
STRAIGHT LINE WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING...CAN BE
EXPECTED THIS AFTERNOON AND EARLY THIS EVENING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

DANGEROUS HEAT INDICES WILL BE POSSIBLE EACH DAY THROUGH EARLY NEXT
WEEK. CONDITIONS WILL BE MONITORED CLOSELY FOR POSSIBLE ADVISORIES
THROUGH EARLY NEXT WEEK.

A FEW STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE MAINLY DURING
THE AFTERNOON AND EARLY EVENING HOURS. GUSTY STRAIGHT LINE
WINDS...DANGEROUS LIGHTNING AND PERIODS OF VERY HEAVY RAIN CAN BE
EXPECTED WITH THE STRONGER THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

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

GMZ630>635-650-655-670-675-221200-
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-
607 AM CDT TUE JUL 21 2015

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

.DAY ONE...TODAY AND TONIGHT

WINDS AND SEAS WILL BE HIGHER NEAR ISOLATED TO SCATTERED
THUNDERSTORMS BEGINNING LATER TODAY CONTINUING THROUGH EARLY THIS
EVENING. FREQUENT LIGHTNING ACTIVITY WILL ALSO OCCUR IN AND NEAR
THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WINDS AND SEAS WILL BE HIGHER NEAR ISOLATED TO SCATTERED THUNDERSTORMS
THROUGH THE FORECAST PERIOD. FREQUENT LIGHTNING ACTIVITY WILL ALSO OCCUR
IN AND NEAR STORMS.

In the hours before

Special weather statement, Jul 21, 1:59 PM CDT, 1 hour 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
159 PM CDT TUE JUL 21 2015

ALZ056-060-212000-
COVINGTON AL-CONECUH AL-
159 PM CDT TUE JUL 21 2015

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHWESTERN COVINGTON AND EAST CENTRAL CONECUH IN SOUTHCENTRAL
ALABAMA UNTIL 300 PM CDT...

AT 159 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 8 MILES WEST OF RED
LEVEL...OR 11 MILES EAST OF EVERGREEN...MOVING SOUTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
ANDALUSIA...           RIVER FALLS...         RED LEVEL...

THE PRIMARY THREATS FROM THIS STORM ARE WIND GUSTS UP TO 50 MPH.
WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND
SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THIS STORM HAS PASSED.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING WIRED
TELEPHONES DIRECTLY CONNECTED TO OUTSIDE PHONE LINES.

LAT...LON 3135 8686 3150 8672 3138 8646 3117 8660
TIME...MOT...LOC 1859Z 304DEG 11KT 3141 8676

Special weather statement, Jul 21, 2:04 PM CDT, 1 hour 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
204 PM CDT TUE JUL 21 2015

ALZ054-212000-
WILCOX AL-
204 PM CDT TUE JUL 21 2015

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
WILCOX IN SOUTHCENTRAL ALABAMA UNTIL 300 PM CDT...

AT 204 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER BOYKIN...OR 7
MILES NORTH OF CAMDEN...MOVING SOUTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
CAMDEN...              OAK HILL...            BOYKIN...

THE PRIMARY THREATS FROM THIS STORM ARE WIND GUSTS UP TO 50 MPH.
WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND
SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THIS STORM HAS PASSED.

LAT...LON 3222 8738 3220 8736 3216 8729 3214 8728
      3215 8727 3214 8725 3212 8726 3210 8723
      3208 8719 3207 8719 3205 8718 3205 8697
      3183 8713 3183 8715 3210 8754
TIME...MOT...LOC 1904Z 304DEG 11KT 3209 8733

Special weather statement, Jul 21, 3:16 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
316 PM CDT TUE JUL 21 2015

ALZ060-212115-
COVINGTON AL-
316 PM CDT TUE JUL 21 2015

...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...EASTERN COVINGTON IN SOUTHCENTRAL ALABAMA UNTIL 415 PM
CDT...

AT 314 PM CDT...A CLUSTER OF STRONG THUNDERSTORMS WERE LOCATED OVER
BABBIE...OR NEAR OPP...MOVING SOUTHEAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
ANDALUSIA...           OPP...                 BABBIE...
HEATH...               SANFORD...             HORN HILL...
ONYCHA...

THE PRIMARY THREATS FROM THESE STORMS ARE WIND GUSTS UP TO 50 MPH.
WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND
SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THESE STORMS HAVE PASSED.

SMALL HAIL IS ALSO POSSIBLE WITH THESE STORMS.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING
WIRED TELEPHONES DIRECTLY CONNECTED TO OUTSIDE PHONE LINES.

LAT...LON 3100 8627 3135 8654 3146 8637 3131 8619
      3106 8619
TIME...MOT...LOC 2014Z 316DEG 9KT 3129 8636

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 7:52 AM CDT	Special Weather Statement	MOB	Wilcox	53 min
Jul 21, 10:46 AM CDT	Special Marine Warning	MOB		59 min
Jul 21, 1:59 PM CDT	Special Weather Statement	MOB	Covington	61 min
Jul 21, 2:04 PM CDT	Special Weather Statement	MOB	Wilcox	56 min
Jul 21, 3:53 PM CDT	Heat Advisory	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	27 hr
Jul 21, 4:43 PM CDT	Special Weather Statement	MOB	Covington	77 min
Jul 21, 5:11 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Escambia	53 min
Jul 21, 5:32 PM CDT	Special Weather Statement	MOB	Okaloosa	73 min
Jul 21, 6:01 PM CDT	Areal Flood Advisory	MOB	Okaloosa	119 min
Jul 21, 6:25 PM CDT	Special Weather Statement	MOB	Perry	65 min
Jul 21, 6:40 PM CDT	Special Weather Statement	MOB	Wayne	65 min
Jul 21, 6:52 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	20 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.