Alert archive / Mississippi / River Flood Warnings in 2018

River Flood Warning 47, NWS New Orleans, LA

April 15, 2018Harrison County, Mississippi

NWS New Orleans, LA issued this river flood warning at Apr 15, 2018, 6:24 AM CDT for Harrison County, Mississippi. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued: Apr 15, 2018, 6:24 AM CDT (11:24 UTC)
Expired: Apr 16, 2018, 8:41 PM CDT
In force: 38 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 11:24 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 Tchoutacabouffa River near D Iberville (DIBM6).

Action stage: 8 ft
Minor stage: 8 ft
Moderate stage: 15 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02480590, 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 Apr 15, 3:06 AM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, Apr 15, 3:06 AM CDT, 3 hours 18 minutes before

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Hazardous weather outlook, Apr 15, 3:11 AM CDT, 3 hours 13 minutes before

Hazardous Weather Outlook
National Weather Service New Orleans LA
311 AM CDT Sun Apr 15 2018

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037-
039-040-046>050-056>072-MSZ068>071-077-080>082-160100-
Lake Pontchartrain and Lake Maurepas-Mississippi Sound-
Lake Borgne-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-Pointe Coupee-West Feliciana-
East Feliciana-St. Helena-Washington-St. Tammany-Iberville-
West Baton Rouge-East Baton Rouge-Ascension-Livingston-Assumption-
St. James-St. John The Baptist-Upper Lafourche-St. Charles-
Upper Jefferson-Orleans-Upper Plaquemines-Upper St. Bernard-
Upper Terrebonne-Lower Terrebonne-Lower Lafourche-Lower Jefferson-
Lower Plaquemines-Lower St. Bernard-Northern Tangipahoa-
Southern Tangipahoa-Wilkinson-Amite-Pike-Walthall-Pearl River-
Hancock-Harrison-Jackson-
311 AM CDT Sun Apr 15 2018

This Hazardous Weather Outlook is for portions of Southeast
Louisiana...South Mississippi and the adjacent coastal waters.

.DAY ONE...Today and Tonight

A Gale Warning is in effect for the open coastal waters and for
Chandeleur and Breton Sounds until 6 am this morning. Elsewhere a
Small Craft Advisory is in effect. After 6 am, a Small Craft
Advisory is in effect Today and tonight for all of the open coastal
waters, sounds and tidal lakes.

Flood warnings are in effect for several rivers across southeast
Louisiana and southern Mississippi. Please refer to the latest flood
warnings and statements for the latest information.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Flood warnings will remain in effect for some rivers across
southeast Louisiana and southern Mississippi. Please refer to the
latest flood warnings and statements for the latest information.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 7:07 PM CDT	Special Marine Warning	LIX		113 min
Apr 14, 8:19 PM CDT	Special Marine Warning	LIX		116 min
Apr 14, 8:20 PM CDT	River Flood Warning	LIX	Saint Tammany	31 hr
Apr 14, 8:33 PM CDT	Special Weather Statement	LIX	Saint John the Baptist	27 min
Apr 14, 10:05 PM CDT	River Flood Warning	LIX	Ascension	15 hr
Apr 14, 10:49 PM CDT	River Flood Warning	LIX	Saint Tammany	3 days
Apr 15, 6:27 AM CDT	River Flood Warning	LIX	Saint Tammany	32 hr
Apr 15, 9:29 AM CDT	River Flood Warning	LIX	Harrison	7 hr

Nearby

River Flood Warnings in Mississippi, 2018 Every river flood warning in 2018

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.