Alert archive / Mississippi / River Flood Warnings in 2021

River Flood Warning 178, NWS New Orleans, LA

July 11, 2021Harrison County, Mississippi

NWS New Orleans, LA issued this river flood warning at Jul 11, 2021, 7:32 PM CDT for Harrison County, Mississippi. It took effect at Jul 12, 2021, 3:34 AM CDT. It was in force for 30 hr.

The area

The outline as issued.

The facts

Issued
Jul 11, 2021, 7:32 PM CDT (00:32 UTC)
In effect from
Jul 12, 2021, 3:34 AM CDT
Expired
Jul 13, 2021, 9:50 AM CDT
In force
30 hr
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Flood severity
Minor

County Harrison County, MS

The radar

The Mobile radar (KMOB), 80 km from the middle of the area, began a volume at 00:36 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). The gauge peaked at 15.35 ft at Jul 12, 2021, 6:00 AM CDT.

actionminormoderate1012141607/1107/1207/1307/14
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.

The text

As transmitted.

770 
WGUS44 KLIX 120032
FLWLIX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service New Orleans LA
732 PM CDT Sun Jul 11 2021

...The National Weather Service in New Orleans LA has issued a Flood 
Warning for the following rivers in Mississippi...

  Biloxi River Near Lyman affecting Harrison County.

For the Biloxi River...including Lyman...Minor flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov/lix.  Click 
on the Rivers and Lakes menu for forecasts and observations.

The next statement will be issued when updates are needed.

&&


MSC047-121845-
/O.NEW.KLIX.FL.W.0178.210712T0834Z-210713T1200Z/
/LYMM6.1.ER.210712T0834Z.210712T1800Z.210713T0600Z.NO/
732 PM CDT Sun Jul 11 2021

The National Weather Service in New Orleans has issued a

* Flood Warning for
  the Biloxi River Near Lyman.
* From late tonight to Tuesday morning.
* At 6:45 PM CDT Sunday the stage was 10.2 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tonight to a crest of 12.5 feet early tomorrow afternoon. It will 
  then fall below flood stage early Tuesday morning.
* Impact...At 12.0 feet, River Road near Three Rivers Road bridge 
  will begin to flood.


&&

LAT...LON 3048 8901 3048 8909 3055 8912 3055 8905

$$
3 follow-up statements
145 
WGUS84 KLIX 121458
FLSLIX

Flood Statement
National Weather Service New Orleans LA
958 AM CDT Mon Jul 12 2021

...The Flood Warning is extended for the following rivers in 
Mississippi...

  Biloxi River Near Lyman affecting Harrison County.

For the Biloxi River...including Lyman...Minor flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov/lix.  Click 
on the Rivers and Lakes menu for forecasts and observations.

The next statement will be issued when updates are needed.

&&


MSC047-130900-
/O.EXT.KLIX.FL.W.0178.000000T0000Z-210713T2100Z/
/LYMM6.1.ER.210712T0822Z.210713T0000Z.210713T1500Z.NO/
958 AM CDT Mon Jul 12 2021

...The Flood Warning is now in effect until tomorrow afternoon...

The Flood Warning continues for
  the Biloxi River Near Lyman.
* Until tomorrow afternoon.
* At 8:45 AM CDT Monday the stage was 12.0 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this morning to a crest of 12.5 feet this evening. It will then 
  fall below flood stage late tomorrow morning.
* Impact...At 12.0 feet, River Road near Three Rivers Road bridge 
  will begin to flood.


&&

LAT...LON 3048 8901 3048 8909 3055 8912 3055 8905

$$

KO
638 
WGUS84 KLIX 130105
FLSLIX

Flood Statement
National Weather Service New Orleans LA
805 PM CDT Mon Jul 12 2021

...The Flood Warning is extended for the following rivers in 
Mississippi...

  Biloxi River Near Lyman affecting Harrison County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov/lix.  Click 
on the Rivers and Lakes menu for forecasts and observations.

The next statement will be issued when updates are needed.

&&


MSC047-131915-
/O.EXT.KLIX.FL.W.0178.000000T0000Z-210714T0100Z/
/LYMM6.1.ER.210712T0822Z.210713T1200Z.210713T1900Z.NO/
805 PM CDT Mon Jul 12 2021

...The Flood Warning is now in effect until tomorrow evening...

The Flood Warning continues for
  the Biloxi River Near Lyman.
* Until tomorrow evening.
* At 7:45 PM CDT Monday the stage was 11.0 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tonight and crest near 12.2 feet tomorrow morning. It will then 
  begin falling.
* Impact...At 12.0 feet, River Road near Three Rivers Road bridge 
  will begin to flood.


&&

LAT...LON 3048 8901 3048 8909 3055 8912 3055 8905

$$

DM
089 
WGUS84 KLIX 131450
FLSLIX

Flood Statement
National Weather Service New Orleans LA
950 AM CDT Tue Jul 13 2021

...The Flood Warning is cancelled for the following rivers in 
Mississippi...

  Biloxi River Near Lyman affecting Harrison County.

MSC047-131600-
/O.CAN.KLIX.FL.W.0178.000000T0000Z-210713T1450Z/
/LYMM6.1.ER.210712T0822Z.000000T0000Z.000000T0000Z.NO/
950 AM CDT Tue Jul 13 2021

...The Flood Warning for the Biloxi River Near Lyman has been 
cancelled...

The Flood Warning is cancelled for
  the Biloxi River Near Lyman.
* At 9:45 AM CDT Tuesday the stage was 11.4 feet.
* Flood stage is 12.0 feet.
* Forecast...The river has crested and is expect to remain below 
  flood.


&&

LAT...LON 3048 8901 3048 8909 3055 8912 3055 8905

$$

KO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 6:01 AM CDTRiver Flood WarningLIXPearl River38 hr
Jul 12, 7:23 AM CDTSpecial Weather StatementLIXWilkinson52 min
Jul 12, 8:04 AM CDTSpecial Weather StatementLIXAmite, Wilkinson56 min
Jul 12, 9:00 AM CDTSpecial Weather StatementLIXAmite30 min
Jul 12, 10:17 AM CDTSpecial Weather StatementLIXPearl River43 min
Jul 12, 11:14 AM CDTSpecial Weather StatementLIXHancock, Pearl River46 min
Jul 12, 12:05 PM CDTAreal Flood AdvisoryLIXHancock, Harrison, Pearl River115 min
Jul 12, 12:23 PM CDTSpecial Weather StatementLIXHancock, Harrison, Jackson67 min
Jul 12, 1:27 PM CDTSpecial Weather StatementLIXJackson63 min

Nearby

River Flood Warnings in Mississippi, 2021Every river flood 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.