Alert archive / Louisiana / River Flood Warnings in 2020

River Flood Warning 165, NWS New Orleans, LA

July 27, 2020Saint Tammany Parish, Louisiana

NWS New Orleans, LA issued this river flood warning at Jul 27, 2020, 2:10 PM CDT for Saint Tammany Parish, Louisiana. It took effect at Jul 27, 2020, 4:15 PM CDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Jul 27, 2020, 2:10 PM CDT (19:10 UTC)
In effect from
Jul 27, 2020, 4:15 PM CDT
Expired
Jul 28, 2020, 11:00 AM CDT
In force
19 hr
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Flood severity
Minor

County Saint Tammany Parish, LA

The river

Written for the forecast point Bogue Falaya River at Boston Street (CVEL1). The gauge peaked at 7.07 ft at Jul 27, 2020, 8:00 PM CDT.

actionminormoderate51007/2707/2807/29
Action stage
5 ft
Minor stage
6 ft
Moderate stage
11 ft
Major stage
17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07375175, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood 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 river flood warning went out at Jul 27, 12:03 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jul 27, 12:03 PM CDT, 2 hours 7 minutes before
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In the hours before

Special weather statement, Jul 27, 8:38 AM CDT, 5 hours 32 minutes before
Special Weather Statement
National Weather Service New Orleans LA
838 AM CDT Mon Jul 27 2020

MSZ080>082-271415-
Jackson-Harrison-Hancock-
838 AM CDT Mon Jul 27 2020

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN HARRISON...
SOUTHERN HANCOCK AND SOUTHERN JACKSON COUNTIES...

At 838 AM CDT, radar indicated strong thunderstorms were located
along a line extending from near Pearlington to Gulfport to near Moss
Point. Movement was northwest at 15 mph.

Winds in excess of 30 mph are possible with these storms.

Locations impacted include...
Gulfport, Biloxi, Ocean Springs, Long Beach, Moss Point, Bay St.
Louis, Waveland, St. Martin, Diamondhead, Escatawpa, Gautier,
D'iberville, Latimer, Kiln, Pearlington, Lyman, Shoreline Park,
Stennis Space Center, Helena and Gulf Hills.

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

LAT...LON 3036 8841 3034 8845 3038 8878 3043 8885
      3043 8899 3042 8901 3040 8886 3040 8900
      3031 8926 3036 8928 3037 8935 3034 8938
      3034 8934 3031 8933 3018 8950 3018 8957
      3023 8962 3036 8966 3052 8933 3051 8840
TIME...MOT...LOC 1338Z 113DEG 12KT 3023 8952 3043 8908 3037 8857

24/RR
Special weather statement, Jul 27, 9:19 AM CDT, 4 hours 51 minutes before
Special Weather Statement
National Weather Service New Orleans LA
919 AM CDT Mon Jul 27 2020

LAZ059>062-069-271445-
Orleans-Lower Plaquemines-St. Charles-Upper Lafourche-Upper
Jefferson-
919 AM CDT Mon Jul 27 2020

...A SHOWER WILL AFFECT SOUTHEASTERN ST. CHARLES...SOUTHWESTERN
ORLEANS...EAST CENTRAL LAFOURCHE AND CENTRAL JEFFERSON PARISHES...

At 918 AM CDT, a shower was located near Barataria, or 12 miles south
of Marrero, moving northeast at 10 mph.

Winds in excess of 30 mph are possible with this shower. This shower
has a history of producing brief rotation. Tropical funnel clouds
are possible with this shower.

Locations impacted include...
Timberlane, Harvey, Marrero, Belle Chasse, Gretna, Jean Lafitte,
Woodmere, Terrytown, Lafitte, Estelle and Barataria.

If outdoors, consider seeking shelter inside a building.

LAT...LON 2976 9029 2993 8999 2990 8998 2989 8999
      2989 9001 2986 9003 2982 9007 2979 9006
      2978 9007 2974 9007 2966 9001 2966 8997
      2960 9020
TIME...MOT...LOC 1418Z 245DEG 11KT 2972 9017

24/RR
Special weather statement, Jul 27, 9:43 AM CDT, 4 hours 27 minutes before
Special Weather Statement
National Weather Service New Orleans LA
943 AM CDT Mon Jul 27 2020

LAZ059>064-067>069-271515-
Orleans-Lower Plaquemines-Upper St. Bernard-St. Charles-Lower
Jefferson-Lower Lafourche-Upper Lafourche-Upper Plaquemines-Upper
Jefferson-
943 AM CDT Mon Jul 27 2020

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WEST CENTRAL ST.
BERNARD...SOUTHEASTERN ST. CHARLES...SOUTHWESTERN ORLEANS...
SOUTHEASTERN LAFOURCHE...JEFFERSON AND NORTHWESTERN PLAQUEMINES
PARISHES...

At 942 AM CDT, radar indicated strong thunderstorms were located
along a line extending from Metairie to 6 miles southwest of Lafitte
to 9 miles west of Leeville. Movement was southeast at 10 mph.

Winds in excess of 30 mph are possible with these storms.

Locations impacted include...
New Orleans, Chalmette, Galliano, Avondale, Metairie, Marrero,
Harvey, Timberlane, Belle Chasse, Cut Off, Jefferson, Gretna,
Harahan, Westwego, Golden Meadow, Jean Lafitte, Port Fourchon, River
Ridge, Estelle and Leeville.

If outdoors, consider seeking shelter inside a building.

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

LAT...LON 2916 9028 2915 9027 2920 9026 2919 9027
      2934 9035 2922 9040 2923 9041 2937 9039
      2965 9025 3004 9023 3002 9011 3007 8994
      2955 8997 2929 9011 2927 9010 2910 9018
      2909 9024
TIME...MOT...LOC 1442Z 293DEG 8KT 3001 9016 2963 9019 2926 9036

24/RR
Special weather statement, Jul 27, 10:23 AM CDT, 3 hours 47 minutes before
Special Weather Statement
National Weather Service New Orleans LA
1023 AM CDT Mon Jul 27 2020

LAZ061>064-067>070-271600-
Orleans-Lower Plaquemines-Upper St. Bernard-Lower Jefferson-Lower St.
Bernard-Lower Lafourche-Upper Plaquemines-Upper Jefferson-
1023 AM CDT Mon Jul 27 2020

...A LINE OF SHOWERS WILL AFFECT NORTHWESTERN ST. BERNARD...
ORLEANS...SOUTHEASTERN LAFOURCHE...CENTRAL JEFFERSON AND NORTHWESTERN
PLAQUEMINES PARISHES...

At 1022 AM CDT, radar indicated showers were located along a line
extending from near Arabi to near Myrtle Grove to 6 miles west of
Port Fourchon. Movement was east at 15 mph.

Winds in excess of 30 mph are possible with these showers.

Locations impacted include...
New Orleans, Chalmette, Marrero, Harvey, East New Orleans,
Timberlane, Belle Chasse, Metairie, Gretna, Jean Lafitte, Lake
Catherine, Woodmere, Violet, Terrytown, Lafitte, Meraux, Poydras,
Myrtle Grove, Estelle and Leeville.

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

LAT...LON 2924 9030 2964 9010 3002 9013 3006 8997
      3015 8988 3010 8981 3017 8974 3015 8963
      3002 8972 3000 8985 2993 8978 2965 8976
      2943 8988 2943 8994 2949 8989 2943 9002
      2925 8996 2909 9024
TIME...MOT...LOC 1522Z 269DEG 11KT 3002 9004 2965 9002 2913 9029

24/RR
Special weather statement, Jul 27, 10:57 AM CDT, 3 hours 13 minutes before
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Special weather statement, Jul 27, 12:05 PM CDT, 2 hours 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 5:22 AM CDTAreal Flood AdvisoryLIXAscension, Assumption, East Baton Rouge, Iberville, Lafourche, Saint James3 hr
Jul 27, 5:26 AM CDTSpecial Marine WarningLIX2 hr
Jul 27, 5:50 AM CDTSpecial Weather StatementLIXAscension25 min
Jul 27, 6:08 AM CDTAreal Flood AdvisoryLIXAscension, East Baton Rouge, Iberville, Livingston, West Baton Rouge3 hr
Jul 27, 6:24 AM CDTSpecial Weather StatementLIXLafourche36 min
Jul 27, 6:30 AM CDTTornado WarningLIXLafourche, Terrebonne30 min
Jul 27, 6:40 AM CDTSpecial Weather StatementLIXJefferson35 min
Jul 27, 7:00 AM CDTSpecial Weather StatementLIXLafourche60 min
Jul 27, 7:14 AM CDTSpecial Marine WarningLIX91 min
Jul 27, 7:18 AM CDTSpecial Marine WarningLIX87 min
Jul 27, 7:22 AM CDTSpecial Weather StatementLIXTerrebonne53 min
Jul 27, 7:45 AM CDTSpecial Marine WarningLIX60 min
Jul 27, 7:46 AM CDTTornado WarningLIXLafourche, Saint Charles30 min
Jul 27, 7:50 AM CDTSpecial Marine WarningLIX85 min
Jul 27, 8:32 AM CDTSpecial Weather StatementLIXLafourche, Saint Charles28 min
Jul 27, 8:51 AM CDTSevere Thunderstorm WarningLIXJefferson, Lafourche, Saint Charles24 min
Jul 27, 9:14 AM CDTAreal Flood AdvisoryLIXSaint Tammany3 hr
Jul 27, 9:19 AM CDTSpecial Weather StatementLIXSaint Charles26 min
Jul 27, 9:21 AM CDTSpecial Marine WarningLIX39 min
Jul 27, 9:27 AM CDTTornado WarningLIXLafourche20 min
Jul 27, 9:33 AM CDTSpecial Marine WarningLIX57 min
Jul 27, 9:43 AM CDTSpecial Weather StatementLIXJefferson32 min
Jul 27, 9:56 AM CDTAreal Flood AdvisoryLIXSaint Tammany, Washington57 min
Jul 27, 9:59 AM CDTSpecial Marine WarningLIX31 min
Jul 27, 10:03 AM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Plaquemines, Saint Bernard, Saint Tammany3 hr
Jul 27, 10:09 AM CDTSpecial Marine WarningLIX2 hr
Jul 27, 10:16 AM CDTSpecial Marine WarningLIX119 min
Jul 27, 10:23 AM CDTSpecial Weather StatementLIXJefferson, Orleans37 min
Jul 27, 10:28 AM CDTFlash Flood WarningLIXSaint Tammany, Washington2 hr
Jul 27, 10:31 AM CDTSpecial Marine WarningLIX89 min
Jul 27, 10:56 AM CDTSpecial Marine WarningLIX2 hr
Jul 27, 10:57 AM CDTSpecial Weather StatementLIXJefferson, Orleans63 min
Jul 27, 11:08 AM CDTAreal Flood AdvisoryLIXWashington112 min
Jul 27, 11:21 AM CDTFlash Flood WatchLIXAssumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more32 hr
Jul 27, 12:05 PM CDTSpecial Weather StatementLIXPlaquemines85 min
Jul 27, 12:20 PM CDTSpecial Marine WarningLIX55 min
Jul 27, 12:33 PM CDTSpecial Marine WarningLIX57 min
Jul 27, 12:34 PM CDTSpecial Marine WarningLIX56 min
Jul 27, 12:35 PM CDTSpecial Marine WarningLIX55 min
Jul 27, 1:35 PM CDTAreal Flood AdvisoryLIXAscension, East Baton Rouge, East Feliciana, Iberville, Livingston, Pointe Coupee and 3 more2 hr
Jul 27, 1:54 PM CDTSpecial Marine WarningLIX36 min
Jul 27, 2:44 PM CDTSpecial Marine WarningLIX31 min
Jul 27, 2:51 PM CDTSpecial Marine WarningLIX54 min
Jul 27, 4:27 PM CDTSpecial Marine WarningLIX33 min
Jul 27, 8:38 AM CDTSpecial Weather StatementLIXHancock, Harrison, Jackson37 min
Jul 27, 10:39 AM CDTAreal Flood AdvisoryLIXPearl River2 hr
Jul 27, 2:21 PM CDTAreal Flood AdvisoryLIXJackson84 min

Nearby

River Flood Warnings in Louisiana, 2020Every river flood warning in 2020

Sources

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