Alert archive / Louisiana / Special Marine Warnings in 2021

Special Marine Warning 293, NWS New Orleans, LA

June 6, 2021

NWS New Orleans, LA issued this special marine warning at Jun 6, 2021, 2:15 PM CDT. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 6, 2021, 2:15 PM CDT (19:15 UTC)
Expired
Jun 6, 2021, 3:00 PM CDT
In force
45 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
0.0 in
Wind
34.0 mph

What forecasters said that day

The local office's own words before this special marine warning 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 marine warning went out at Jun 6, 12:56 PM CDT, 1 hour 19 minutes earlier.

Area forecast discussion, Jun 6, 12:56 PM CDT, 1 hour 19 minutes before
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In the hours before

Special weather statement, Jun 6, 9:57 AM CDT, 4 hours 18 minutes before
Special Weather Statement
National Weather Service New Orleans LA
957 AM CDT Sun Jun 6 2021

LAZ068-069-061530-
Lower Plaquemines-Lower Jefferson-
957 AM CDT Sun Jun 6 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL PLAQUEMINES
PARISH...

At 956 AM CDT, radar indicated strong thunderstorms were located
along a line extending from 17 miles southwest of Port Sulphur to 9
miles south of Empire. Movement was northeast at 35 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Buras, Empire and Buras-triumph.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 2929 8967 2933 8964 2932 8983 2934 8978
      2934 8982 2928 8998 2929 8997 2934 8984
      2939 8986 2937 8979 2943 8982 2941 8987
      2948 8985 2934 9002 2944 8990 2951 8994
      2938 8946 2924 8958
TIME...MOT...LOC 1456Z 208DEG 40KT 2934 8994 2928 8966

ABS
Special weather statement, Jun 6, 10:38 AM CDT, 3 hours 37 minutes before
Special Weather Statement
National Weather Service New Orleans LA
1038 AM CDT Sun Jun 6 2021

LAZ069-061630-
Lower Plaquemines-
1038 AM CDT Sun Jun 6 2021

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL PLAQUEMINES
PARISH...

At 1038 AM CDT, a strong thunderstorm was located near Port Sulphur,
moving north at 30 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Port Sulphur and Empire.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 2932 8983 2934 8978 2934 8982 2931 8986
      2932 8991 2935 8983 2939 8986 2936 8982
      2940 8978 2939 8983 2943 8982 2941 8987
      2945 8982 2948 8984 2944 8989 2958 8988
      2946 8959 2929 8969 2931 8969
TIME...MOT...LOC 1538Z 184DEG 25KT 2943 8980

ABS
Special weather statement, Jun 6, 11:32 AM CDT, 2 hours 43 minutes before
Special Weather Statement
National Weather Service New Orleans LA
1132 AM CDT Sun Jun 6 2021

LAZ069-070-061715-
Lower Plaquemines-Lower St. Bernard-
1132 AM CDT Sun Jun 6 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL ST. BERNARD AND NORTH
CENTRAL PLAQUEMINES PARISHES...

At 1131 AM CDT, a strong thunderstorm was located 9 miles northeast
of Pointe A La Hache, or 10 miles northeast of Port Sulphur, moving
north at 20 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Shell Beach.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

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 2965 8974 2987 8971 2988 8945 2973 8955
      2976 8958 2972 8960 2976 8963 2975 8965
      2973 8965 2970 8956 2969 8963 2968 8958
      2966 8959 2968 8966 2966 8967 2965 8965
TIME...MOT...LOC 1631Z 197DEG 19KT 2964 8965

ABS
Special weather statement, Jun 6, 12:46 PM CDT, 1 hour 29 minutes before
Special Weather Statement
National Weather Service New Orleans LA
1246 PM CDT Sun Jun 6 2021

LAZ066>068-061815-
Lower Terrebonne-Lower Jefferson-Lower Lafourche-
1246 PM CDT Sun Jun 6 2021

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL TERREBONNE AND
SOUTHEASTERN LAFOURCHE PARISHES...

At 1246 PM CDT, a strong thunderstorm was located near Golden Meadow,
or near Galliano, moving north at 30 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Cut Off, Galliano, Larose and Golden Meadow.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 2928 9033 2930 9034 2929 9037 2929 9036
      2928 9036 2929 9040 2932 9044 2935 9043
      2934 9046 2930 9046 2930 9049 2956 9050
      2956 9038 2953 9013 2927 9028
TIME...MOT...LOC 1746Z 197DEG 44KT 2937 9037

ABS
Special weather statement, Jun 6, 12:53 PM CDT, 1 hour 22 minutes before
Special Weather Statement
National Weather Service New Orleans LA
1253 PM CDT Sun Jun 6 2021

LAZ039-071-072-075-061845-
Washington-Northern Tangipahoa-Northwest St. Tammany-Southern
Tangipahoa-
1253 PM CDT Sun Jun 6 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN ST.
TAMMANY...SOUTHEASTERN TANGIPAHOA AND SOUTHWESTERN WASHINGTON
PARISHES...

At 1253 PM CDT, radar indicated strong thunderstorms were located
along a line extending from near Wilmer to near Folsom to near
Robert. Movement was east at 20 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Covington, Franklinton, Abita Springs, Madisonville, Folsom, Robert
and Enon.

This includes Interstate 12 between mile markers 47 and 67.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3084 8996 3065 8996 3035 9004 3045 9036
      3061 9033 3082 9031
TIME...MOT...LOC 1753Z 262DEG 15KT 3080 9027 3063 9026 3045 9033

ABS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 8:25 AM CDTSpecial Marine WarningLIX95 min
Jun 6, 8:27 AM CDTSpecial Marine WarningLIX34 min
Jun 6, 9:07 AM CDTTornado WarningLIXAscension, Livingston, Saint James, Tangipahoa14 min
Jun 6, 9:23 AM CDTTornado Warning Tornado observedLIXPlaquemines23 min
Jun 6, 9:57 AM CDTSpecial Weather StatementLIXPlaquemines33 min
Jun 6, 10:01 AM CDTTornado WarningLIXPlaquemines32 min
Jun 6, 10:14 AM CDTSpecial Marine WarningLIX91 min
Jun 6, 10:26 AM CDTSpecial Marine WarningLIX64 min
Jun 6, 10:38 AM CDTSpecial Weather StatementLIXPlaquemines52 min
Jun 6, 10:46 AM CDTAreal Flood AdvisoryLIXAscension, East Baton Rouge, Iberville, West Baton Rouge4 hr
Jun 6, 11:28 AM CDTSpecial Marine WarningLIX32 min
Jun 6, 11:32 AM CDTSpecial Weather StatementLIXSaint Bernard43 min
Jun 6, 11:44 AM CDTSpecial Marine WarningLIX61 min
Jun 6, 11:51 AM CDTAreal Flood AdvisoryLIXAscension, East Baton Rouge, Iberville, Livingston, Tangipahoa3 hr
Jun 6, 11:58 AM CDTFlash Flood WarningLIXTangipahoa, Washington3 hr
Jun 6, 12:22 PM CDTSpecial Marine WarningLIX23 min
Jun 6, 12:46 PM CDTSpecial Weather StatementLIXLafourche29 min
Jun 6, 12:53 PM CDTSpecial Weather StatementLIXTangipahoa52 min
Jun 6, 12:57 PM CDTSpecial Marine WarningLIX63 min
Jun 6, 1:52 PM CDTSpecial Marine WarningLIX23 min
Jun 6, 1:59 PM CDTSpecial Marine WarningLIX61 min
Jun 6, 3:01 PM CDTSpecial Marine WarningLIX59 min
Jun 6, 3:07 PM CDTSpecial Marine WarningLIX53 min
Jun 6, 3:22 PM CDTSpecial Marine WarningLIX38 min
Jun 6, 3:41 PM CDTSpecial Marine WarningLIX19 min
Jun 6, 3:59 PM CDTSpecial Marine WarningLIX61 min
Jun 6, 4:39 PM CDTSpecial Marine WarningLIX31 min
Jun 6, 4:52 PM CDTSpecial Marine WarningLIX83 min
Jun 6, 5:36 PM CDTSpecial Marine WarningLIX39 min
Jun 6, 10:23 AM CDTRiver Flood WarningLIXHarrison47 hr
Jun 6, 10:26 AM CDTRiver Flood WarningLIXHarrison39 hr
Jun 6, 10:52 AM CDTRiver Flood WarningLIXHarrison30 hr
Jun 6, 2:48 PM CDTRiver Flood WarningLIXPike41 hr
Jun 6, 4:30 PM CDTSpecial Weather StatementLIXHarrison30 min

Nearby

Special Marine Warnings in Louisiana, 2021Every special marine warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.