Alert archive / Mississippi / Special Weather Statements in 2015

Special Weather Statement, NWS Mobile, AL

July 20, 2015Greene County, Mississippi

NWS Mobile, AL issued this special weather statement at Jul 20, 2015, 4:55 PM CDT for Greene County, Mississippi. It was in force for 50 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 20, 2015, 4:55 PM CDT (21:55 UTC)
Expired: Jul 20, 2015, 5:45 PM CDT
In force: 50 min
Issued by: NWS Mobile, AL

County Greene County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.9 hours before the alert went out and 161 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: 3502 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 821 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 53 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 20, 4:06 PM CDT, 49 minutes earlier.

Area forecast discussion, Jul 20, 4:06 PM CDT, 49 minutes before

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Hazardous weather outlook, Jul 20, 4:05 AM CDT, 12 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
405 AM CDT MON JUL 20 2015

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-210915-
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-
405 AM CDT MON JUL 20 2015

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

.DAY ONE...TODAY AND TONIGHT

HEAT INDEX VALUES MOSTLY BETWEEN 106 TO 112 DEGREES CAN BE EXPECTED
LATER TODAY.

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

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

HEAT INDEX VALUES MOSTLY BETWEEN 106 TO 112 CAN BE EXPECTED ON
TUESDAY WITH A GRADUAL TREND TOWARDS LOWER VALUES EACH AFTERNOON
THROUGH THE WEEKEND.

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 SUNDAY.

GMZ630>635-650-655-670-675-210915-
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-
405 AM CDT MON JUL 20 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. FREQUENT LIGHTNING ACTIVITY WILL ALSO OCCUR IN AND
NEAR STORMS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

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

In the hours before

Special weather statement, Jul 20, 2:12 PM CDT, 2 hours 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
212 PM CDT MON JUL 20 2015

ALZ052-261-202015-
MOBILE INLAND AL-WASHINGTON AL-
212 PM CDT MON JUL 20 2015

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...INLAND
MOBILE AND SOUTHEASTERN WASHINGTON IN SOUTHWEST ALABAMA UNTIL 315 PM
CDT...

AT 211 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER MOWA CHOCTAW
RESERVATION...OR 11 MILES EAST OF CITRONELLE. THE STRONG THUNDERSTORM
NEARLY STATIONARY.

LOCATIONS IMPACTED INCLUDE...
MOUNT VERNON...        MOVICO...              CALVERT...
MOWA CHOCTAW RESERVATION...                   MALCOLM...

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 3119 8817 3128 8799 3126 8799 3126 8798
      3117 8794 3116 8795 3116 8797 3115 8797
      3115 8794 3114 8794 3112 8795 3109 8797
      3108 8797 3099 8806
TIME...MOT...LOC 1911Z 056DEG 2KT 3115 8805

Special weather statement, Jul 20, 2:17 PM CDT, 2 hours 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
217 PM CDT MON JUL 20 2015

ALZ263-265-202000-
MOBILE CENTRAL AL-MOBILE COASTAL AL-
217 PM CDT MON JUL 20 2015

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
MOBILE AND COASTAL MOBILE IN SOUTHWEST ALABAMA UNTIL 300 PM CDT...

AT 217 PM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR GRAND BAY...
MOVING WEST AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
MOBILE...              GRAND BAY...

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 3066 8841 3064 8824 3046 8824 3043 8840
TIME...MOT...LOC 1917Z 089DEG 6KT 3055 8833

Special weather statement, Jul 20, 2:29 PM CDT, 2 hours 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
229 PM CDT MON JUL 20 2015

ALZ263-202015-
MOBILE CENTRAL AL-
229 PM CDT MON JUL 20 2015

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
MOBILE IN SOUTHWEST ALABAMA UNTIL 315 PM CDT...

AT 229 PM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR BIG POINT...OR
8 MILES NORTH OF GRAND BAY...MOVING WEST AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
GRAND BAY...

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 3070 8841 3067 8828 3049 8829 3048 8840
TIME...MOT...LOC 1929Z 092DEG 6KT 3059 8837

Special weather statement, Jul 20, 2:33 PM CDT, 2 hours 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
233 PM CDT MON JUL 20 2015

ALZ264-202030-
BALDWIN CENTRAL AL-
233 PM CDT MON JUL 20 2015

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
BALDWIN IN SOUTHWEST ALABAMA UNTIL 330 PM CDT...

AT 233 PM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR STAPLETON...OR
7 MILES NORTHEAST OF SPANISH FORT...MOVING SOUTH AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
DAPHNE...              SPANISH FORT...        LOXLEY...
STAPLETON...

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 3067 8792 3067 8794 3066 8796 3069 8793
      3068 8793 3068 8792 3071 8793 3067 8796
      3075 8792 3079 8793 3076 8792 3079 8792
      3079 8778 3061 8775 3060 8791
TIME...MOT...LOC 1933Z 358DEG 10KT 3078 8786

Special weather statement, Jul 20, 3:23 PM CDT, 1 hour 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
323 PM CDT MON JUL 20 2015

ALZ264-202130-
BALDWIN CENTRAL AL-
323 PM CDT MON JUL 20 2015

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
BALDWIN IN SOUTHWEST ALABAMA UNTIL 430 PM CDT...

AT 323 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER STAPLETON...OR
NEAR LOXLEY...MOVING SOUTH AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
ROBERTSDALE...         LOXLEY...              SILVERHILL...
STAPLETON...

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 3045 8784 3073 8791 3079 8772 3079 8771
      3055 8755 3046 8780 3047 8780 3046 8781
TIME...MOT...LOC 2023Z 339DEG 7KT 3070 8779

Special weather statement, Jul 20, 4:55 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
Jul 20, 3:24 AM CDT	Heat Advisory	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	40 hr
Jul 20, 2:12 PM CDT	Special Weather Statement	MOB	Washington	63 min
Jul 20, 2:17 PM CDT	Special Weather Statement	MOB	Mobile	43 min
Jul 20, 2:29 PM CDT	Special Weather Statement	MOB	Mobile	46 min
Jul 20, 2:33 PM CDT	Special Weather Statement	MOB	Baldwin	57 min
Jul 20, 3:16 PM CDT	Special Marine Warning	MOB		89 min
Jul 20, 3:23 PM CDT	Special Weather Statement	MOB	Baldwin	67 min
Jul 20, 3:26 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	34 min

Nearby

Special Weather Statements in Mississippi, 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.