Alert archive / Mississippi / Special Weather Statements in 2016

Special Weather Statement, NWS New Orleans, LA

August 2, 2016Harrison County, Mississippi

NWS New Orleans, LA issued this special weather statement at Aug 2, 2016, 7:18 PM CDT for Harrison County, Mississippi. It was in force for 27 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
Aug 2, 2016, 7:18 PM CDT (00:18 UTC)
Expired
Aug 2, 2016, 7:45 PM CDT
In force
27 min
Issued by
NWS New Orleans, LA

County Harrison County, MS

The radar

The Mobile radar (KMOB), 96 km from the middle of the area, began a volume at 00:20 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.3 hours before the alert went out and 52 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, Slidell Radar S, LA at 00:00Z on 2016-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3034 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, Slidell Radar S, LA at 00:00Z on 2016-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939Sfc1 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
3034 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1151 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 New Orleans, LA wrote its last area forecast discussion before this special weather statement went out at Aug 2, 3:57 PM CDT, 3 hours 21 minutes earlier.

Area forecast discussion, Aug 2, 3:57 PM CDT, 3 hours 21 minutes before
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Hazardous weather outlook, Aug 2, 6:02 PM CDT, 1 hour 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
602 PM CDT TUE AUG 2 2016

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037-
039-040-046>050-056>072-MSZ068>071-077-080>082-031115-
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND-
LAKE BORGNE-CHANDELEUR SOUND-BRETON SOUND-
COASTAL WATERS FROM PORT FOURCHON LA TO LOWER ATCHAFALAYA RIVER
LA OUT 20 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON LOUISIANA OUT 20 NM-
COASTAL WATERS FROM BOOTHVILLE LA TO SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM-
COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND OUT
20 NM-
COASTAL WATERS FROM PORT FOURCHON LOUISIANA TO LOWER ATCHAFALAYA
RIVER LA FROM 20 TO 60 NM-
COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO
PORT FOURCHON LOUISIANA FROM 20 TO 60 NM-
COASTAL WATERS FROM STAKE ISLAND LA TO SOUTHWEST PASS OF THE
MISSISSIPPI RIVER FROM 20 TO 60 NM-
COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND
LOUISIANA OUT 20 TO 60 NM-POINTE COUPEE-WEST FELICIANA-
EAST FELICIANA-ST. HELENA-WASHINGTON-ST. TAMMANY-IBERVILLE-
WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-LIVINGSTON-ASSUMPTION-
ST. JAMES-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-
UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-
UPPER TERREBONNE-LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON-
LOWER PLAQUEMINES-LOWER ST. BERNARD-NORTHERN TANGIPAHOA-
SOUTHERN TANGIPAHOA-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
602 PM CDT TUE AUG 2 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
LOUISIANA...SOUTH MISSISSIPPI AND THE ADJACENT COASTAL WATERS.

.DAY ONE...TONIGHT

ISOLATED THUNDERSTORMS WILL WEAKEN AND DISSIPATE SHORTLY AFTER
SUNSET...MAINLY IN THE COATAL MISSISSIPPI COUNTIES AND EXTREME
EASTERN LOUISIANA PARISHES. GUSTY WINDS TO 30 MPH...OCCASIONAL
LIGHTNING AND BRIEF HEAVY RAINFALL WILL BE POSSIBLE GENERALLY
BEFORE 9 PM.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

AFTERNOON HEAT INDEX VALUES WILL CLIMB INTO THE 100 TO 107 DEGREE
RANGE EACH DAY THROUGH THE WEEKEND.

SCATTERED THUNDERSTORMS ARE EXPECTED EACH DAY. A FEW STORMS COULD
BE STRONG...WITH THE PRIMARY THREATS BEING STRONG WIND
GUSTS...FREQUENT LIGHTNING AND HEAVY RAINFALL THAT MAY CAUSE SOME
LOCALIZED FLOODING OF LOW LYING AND POORLY DRAINED AREAS.
WATERSPOUT ACTIVITY WILL ALSO BE POSSIBLE EACH DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

24/RR

In the hours before

Special weather statement, Aug 2, 2:42 PM CDT, 4 hours 36 minutes before
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Special weather statement, Aug 2, 5:29 PM CDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
529 PM CDT TUE AUG 2 2016

MSZ081-082-022300-
JACKSON-HARRISON-
529 PM CDT TUE AUG 2 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN HARRISON AND
NORTHWESTERN JACKSON COUNTIES...

AT 529 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 11 MILES SOUTHWEST OF LUCEDALE TO 10
MILES EAST OF MCHENRY TO PERKINSTON. MOVEMENT WAS SOUTHWEST AT 5 MPH.

WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
GULFPORT...BILOXI...SAUCIER AND LYMAN.

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 3046 8905 3047 8934 3063 8934 3065 8930
      3065 8924 3068 8924 3068 8889 3074 8888
      3073 8869
TIME...MOT...LOC 2229Z 024DEG 6KT 3081 8874 3069 8895 3078 8913

24/RR
Special weather statement, Aug 2, 6:00 PM CDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
600 PM CDT TUE AUG 2 2016

MSZ081-022330-
HARRISON-
600 PM CDT TUE AUG 2 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN HARRISON COUNTY...

AT 600 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER SAUCIER...OR
14 MILES SOUTH OF WIGGINS...MOVING SOUTHWEST AT 15 MPH.

WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GULFPORT...SAUCIER AND LYMAN.

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 3039 8915 3054 8934 3061 8934 3065 8928
      3065 8924 3068 8924 3068 8905 3063 8899
TIME...MOT...LOC 2300Z 039DEG 13KT 3064 8913

24/RR
Special weather statement, Aug 2, 7:18 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
718 PM CDT TUE AUG 2 2016

MSZ081-030045-
HARRISON-
718 PM CDT TUE AUG 2 2016

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN HARRISON COUNTY...

AT 718 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER LONG BEACH...
MOVING SOUTH AT 10 MPH.

WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GULFPORT...LONG BEACH AND GULFPORT AIRPORT.

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 3037 8908 3036 8909 3036 8911 3033 8918
      3031 8927 3031 8929 3033 8929 3035 8927
      3035 8928 3046 8923 3042 8903 3038 8903
TIME...MOT...LOC 0018Z 013DEG 11KT 3038 8915

24/RR

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 9:00 PM CDTSpecial Weather StatementLIXSaint Bernard60 min
Aug 2, 9:43 PM CDTSpecial Weather StatementLIXOrleans32 min
Aug 3, 12:53 AM CDTSpecial Marine WarningLIX67 min
Aug 3, 2:08 AM CDTSpecial Marine WarningLIX97 min
Aug 3, 3:50 AM CDTHeat AdvisoryLIXAssumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more15 hr
Aug 3, 4:28 AM CDTSpecial Marine WarningLIX62 min
Aug 3, 4:31 AM CDTSpecial Weather StatementLIXSaint Tammany44 min
Aug 3, 5:26 AM CDTSpecial Marine WarningLIX94 min
Aug 3, 5:57 AM CDTSpecial Weather StatementLIXOrleans, Saint Charles, Saint John the Baptist63 min
Aug 3, 6:30 AM CDTSpecial Weather StatementLIXSaint Charles30 min
Aug 3, 6:32 AM CDTTornado WarningLIXSaint Charles20 min
Aug 3, 7:59 AM CDTSpecial Weather StatementLIXLafourche, Saint Charles, Saint James, Saint John the Baptist61 min
Aug 3, 8:24 AM CDTSpecial Weather StatementLIXAssumption, Saint James21 min
Aug 3, 8:36 AM CDTSpecial Weather StatementLIXSaint Tammany24 min
Aug 3, 9:02 AM CDTSpecial Marine WarningLIX28 min
Aug 3, 9:18 AM CDTFlash Flood WarningLIXSaint James, Saint John the Baptist3 hr
Aug 3, 9:23 AM CDTSpecial Marine WarningLIX97 min
Aug 3, 9:51 AM CDTSpecial Weather StatementLIXSaint Tammany24 min
Aug 3, 10:01 AM CDTSpecial Marine WarningLIX59 min
Aug 3, 10:28 AM CDTAreal Flood AdvisoryLIXSaint Tammany, Tangipahoa2 hr
Aug 3, 10:53 AM CDTSpecial Weather StatementLIXPlaquemines37 min
Aug 3, 11:01 AM CDTSpecial Weather StatementLIXAscension44 min
Aug 2, 11:29 PM CDTSpecial Weather StatementLIXJackson91 min
Aug 3, 12:39 AM CDTSpecial Weather StatementLIXHancock, Harrison66 min
Aug 3, 7:28 AM CDTSpecial Weather StatementLIXHancock62 min
Aug 3, 7:49 AM CDTSpecial Weather StatementLIXHancock26 min

Nearby

Special Weather Statements in Mississippi, 2016Every special weather statement in 2016

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.