Alert archive / Mississippi / River Flood Warnings in 2022

River Flood Warning 2, NWS New Orleans, LA

February 3, 2022Harrison County, Mississippi

NWS New Orleans, LA issued this river flood warning at Feb 3, 2022, 6:59 PM CST for Harrison County, Mississippi. It took effect at Feb 3, 2022, 11:15 PM CST. It was in force for 59 hr.

The area

The counties it named.

The facts

Issued: Feb 3, 2022, 6:59 PM CST (00:59 UTC)
In effect from: Feb 3, 2022, 11:15 PM CST
Expired: Feb 6, 2022, 9:54 AM CST
In force: 59 hr
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Flood severity: Minor

County Harrison County, MS

The radar

The Mobile radar (KMOB), 86 km from the middle of the area, began a volume at 01:01 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 river

Written for the forecast point Biloxi River near Lyman (LYMM6).

Action stage: 10 ft
Minor stage: 12 ft
Moderate stage: 16 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02481130, 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, 1 hour 44 minutes earlier.

Area forecast discussion, Feb 3, 5:15 PM CST, 1 hour 44 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Local storm report, Feb 3, 3:00 PM CST, 3 hours 59 minutes before

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

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

0258 PM     FLASH FLOOD      2 NNE NEW ORLEANS       29.99N 90.07W
02/03/2022                   ORLEANS            LA   MESONET

            WATER UP TO A FEW FEET MEASURED AT THE
            UNDERPASS OF I-610 AND PARIS AVENUE.

&&

Special weather statement, Feb 3, 3:04 PM CST, 3 hours 55 minutes before

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

MSZ080>082-032130-
Jackson MS-Harrison MS-Hancock MS-
304 PM CST Thu Feb 3 2022

...Strong thunderstorms will impact portions of Harrison, east
central Hancock and northwestern Jackson Counties through 330 PM
CST...

At 304 PM CST, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles east of Perkinston to 6 miles east of
Diamondhead. Movement was northeast at 85 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...
Gulfport, Biloxi, Long Beach, Diamondhead, Saucier, Lyman and Kiln.

This includes Interstate 10 in Mississippi between mile markers 20
and 41.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

A Tornado Watch remains in effect until 600 PM CST for southern
Mississippi.

&&

LAT...LON 3041 8904 3036 8928 3047 8946 3065 8930
      3065 8925 3068 8924 3067 8889 3073 8888
      3073 8866
TIME...MOT...LOC 2104Z 233DEG 72KT 3080 8896 3041 8926

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

Special weather statement, Feb 3, 3:23 PM CST, 3 hours 36 minutes before

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

LAZ050-071-072-075-032200-
Livingston LA-Northern Tangipahoa LA-Northwest St. Tammany LA-
Southern Tangipahoa LA-
323 PM CST Thu Feb 3 2022

...A strong thunderstorm will impact portions of northwestern St.
Tammany, east central Livingston and southern Tangipahoa Parishes
through 400 PM CST...

At 322 PM CST, Doppler radar was tracking a strong thunderstorm near
Springfield, or 10 miles south of Hammond, moving northeast at 45
mph.

HAZARD...Half inch hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
Hammond, Ponchatoula, Folsom, Springfield, Natalbany, Robert, Killian
and Tickfaw.

This includes the following Interstates...
 Interstate 12 between mile markers 37 and 50.
 Interstate 55 in Louisiana between mile markers 19 and 32.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

If on or near Lake Maurepas, get out of the water and move indoors
or inside a vehicle. Remember, lightning can strike out to 10 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.

&&

LAT...LON 3063 9013 3057 9020 3032 9043 3033 9047
      3034 9047 3034 9049 3030 9055 3032 9059
      3074 9041
TIME...MOT...LOC 2122Z 212DEG 44KT 3036 9050

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

JRK

Local storm report, Feb 3, 3:26 PM CST, 3 hours 33 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, 3 hours 11 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, 2 hours 44 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 3, 9:20 PM CST	River Flood Warning	LIX	Tangipahoa	30 hr
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, 8:55 PM CST	River Flood Warning	LIX	Pearl River	56 hr

Nearby

River Flood Warnings in Mississippi, 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.