Alert archive / Louisiana / River Flood Warnings in 2022

River Flood Warning 4, NWS New Orleans, LA

February 3, 2022Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this river flood warning at Feb 3, 2022, 9:20 PM CST for Tangipahoa Parish, Louisiana. It took effect at Feb 4, 2022, 6:48 AM CST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Feb 3, 2022, 9:20 PM CST (03:20 UTC)
In effect from: Feb 4, 2022, 6:48 AM CST
Expired: Feb 5, 2022, 3:23 AM CST
In force: 21 hr
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Flood severity: Minor

County Tangipahoa Parish, LA

The river

Written for the forecast point Tangipahoa River at Robert (ROBL1). The gauge peaked at 15.38 ft at Feb 4, 2022, 11:00 AM CST.

Action stage: 13 ft
Minor stage: 15 ft
Moderate stage: 18 ft
Major stage: 21 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07375500, 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 Feb 3, 5:15 PM CST, 4 hours 5 minutes earlier.

Area forecast discussion, Feb 3, 5:15 PM CST, 4 hours 5 minutes before

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In the hours before

Special weather statement, Feb 3, 3:23 PM CST, 5 hours 57 minutes before

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Local storm report, Feb 3, 3:26 PM CST, 5 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
326 PM CST THU FEB 3 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0323 PM     FLASH FLOOD      2 NNE MANDEVILLE        30.40N 90.08W
02/03/2022                   ST. TAMMANY        LA   PUBLIC

            SEVERAL ROADS IN THE MANDEVILLE WERE
            IMPASSABLE DUE TO HIGH WATER COVERING THE
            ROADWAYS. BARRICADES ARE IN PLACE.

&&

Special weather statement, Feb 3, 3:48 PM CST, 5 hours 32 minutes before

Special Weather Statement
National Weather Service New Orleans LA
348 PM CST Thu Feb 3 2022

LAZ056>060-065-066-032215-
Lower Terrebonne LA-St. Charles LA-Upper Terrebonne LA-Assumption LA-
St. John The Baptist LA-St. James LA-Upper Lafourche LA-
348 PM CST Thu Feb 3 2022

...A strong thunderstorm will impact portions of southwestern St.
John The Baptist, St. James, northwestern St. Charles, north central
Terrebonne, northwestern Lafourche and southeastern Assumption
Parishes through 415 PM CST...

At 348 PM CST, Doppler radar was tracking a strong thunderstorm 8
miles south of Labadieville, or 11 miles southwest of Thibodaux,
moving northeast at 55 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Thibodaux, Reserve, Hahnville, Gramercy, Lutcher, Killona, Schriever,
Gray, Edgard, South Vacherie, Convent, North Vacherie, Garyville,
Wallace, Chackbay, Labadieville, Taft, Supreme, Montz and Raceland.

This includes Interstate 10 in Louisiana between mile markers 190 and
201.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
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 2950 9099 2961 9112 2963 9108 2965 9111
      2971 9110 3015 9076 3016 9064 3018 9063
      2994 9041
TIME...MOT...LOC 2148Z 218DEG 56KT 2971 9098

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

Special weather statement, Feb 3, 4:15 PM CST, 5 hours 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 4, 3:57 AM CST	River Flood Warning	LIX	Saint Tammany	23 hr
Feb 4, 5:23 AM CST	River Flood Warning	LIX	Saint Tammany	22 hr
Feb 4, 6:42 AM CST	River Flood Warning	LIX	Saint Tammany	47 hr
Feb 4, 6:42 AM CST	River Flood Warning	LIX	Saint Tammany, Washington	27 hr
Feb 4, 6:42 AM CST	River Flood Warning	LIX	Saint Tammany	60 hr
Feb 4, 8:29 AM CST	River Flood Warning	LIX	Saint Tammany	4 days
Feb 3, 6:55 PM CST	River Flood Warning	LIX	Harrison	66 hr
Feb 3, 6:59 PM CST	River Flood Warning	LIX	Harrison	63 hr
Feb 3, 8:55 PM CST	River Flood Warning	LIX	Pearl River	56 hr

Nearby

River Flood Warnings in Louisiana, 2022 Every river flood warning in 2022

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.