Alert archive / Louisiana / River Flood Warnings in 2019
River Flood Warning 56, NWS New Orleans, LA
NWS New Orleans, LA issued this river flood warning at May 10, 2019, 11:31 AM CDT for Iberville Parish, Louisiana. It took effect at May 11, 2019, 1:00 AM CDT. It was in force for 36 days.
The area
The counties it named.
The facts
- Issued
- May 10, 2019, 11:31 AM CDT (16:31 UTC)
- In effect from
- May 11, 2019, 1:00 AM CDT
- Expired
- Jun 16, 2019, 10:59 AM CDT
- In force
- 36 days
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Flood severity
- Minor
County Iberville Parish, LA
The river
Written for the forecast point Atchafalaya River at Bayou Sorrel Lock (BSRL1).
- Action stage
- 10 ft
- Minor stage
- 12 ft
- Moderate stage
- 18 ft
- Major stage
- 30 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record, 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 May 10, 11:21 AM CDT, 10 minutes earlier.
Area forecast discussion, May 10, 11:21 AM CDT, 10 minutes before
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</html>Hazardous weather outlook, May 10, 5:22 AM CDT, 6 hours 9 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service New Orleans LA 522 AM CDT Fri May 10 2019 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>082-102230- 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- 522 AM CDT Fri May 10 2019 This Hazardous Weather Outlook is for portions of Southeast Louisiana...South Mississippi and the adjacent coastal waters. .DAY ONE...Today and Tonight A Flash Flood Watch is in effect today and tonight for southern Mississippi, and southeast Louisiana except the immediate Louisiana coast. Areas in the watch could potentially see an additional 2 to 4 inches of rain today and tonight. In addition, there is a marginal risk of severe thunderstorms. the primary threats will be damaging wind gusts. Waterspouts will also be possible over the area tidal lakes, bays and near shore waters. A Small Craft Advisory is in effect for the coastal waters due to high winds generated from thunderstorm complexes moving through the coastal waters. After the storms move through, there is a potential of much higher winds 50 to 70 knots in a narrow corridor over the coastal waters for a couple of hours. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Showers and thunderstorms are expected each day at least through Monday, possibly longer. Each round of thunderstorms could potentially produce severe weather and heavy rainfall. Depending on how much rain occurs in the short term, and placement of certain weather elements in coming days, the Flash Flood Watch may need to be extended in time and adjusted in area in coming days. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed through the weekend, possibly into early next week, depending on rainfall and flood developments. 24/RR
In the hours before
Special weather statement, May 10, 6:59 AM CDT, 4 hours 32 minutes before
Special Weather Statement
National Weather Service New Orleans LA
659 AM CDT Fri May 10 2019
LAZ034>036-046>050-056-057-059-101315-
Iberville-Livingston-Ascension-East Feliciana-Pointe
Coupee-Assumption-West Baton Rouge-Upper Lafourche-St. James-East
Baton Rouge-West Feliciana-
659 AM CDT Fri May 10 2019
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT ASCENSION...ST.
JAMES...SOUTHEASTERN WEST FELICIANA...WEST BATON ROUGE...SOUTHERN
POINTE COUPEE...SOUTHWESTERN LIVINGSTON...SOUTHWESTERN EAST
FELICIANA...IBERVILLE...NORTHWESTERN LAFOURCHE...EAST BATON ROUGE AND
ASSUMPTION PARISHES...
At 659 AM CDT, radar indicated strong thunderstorms were located
along a line extending from near Port Barre to near Butte La Rose to
near Loreauville to Baldwin. Movement was east at 35 mph.
Winds in excess of 40 mph are possible with these storms.
Locations impacted include...
Baton Rouge, Zachary, Thibodaux, Baker, Denham Springs, Gonzales,
Donaldsonville, Plaquemine, Port Allen, New Roads, Napoleonville, Oak
Hills Place, St. Gabriel, Walker, Addis, Brusly, White Castle,
Livonia, Sorrento and French Settlement.
Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 3063 9175 3076 9114 3035 9076 3015 9085
2983 9062 2980 9110 2984 9113 2985 9118
2997 9126 3004 9122 3006 9137 3010 9138
3010 9146 3023 9148 3026 9159 3036 9164
3044 9164 3050 9171 3050 9175 3051 9173
TIME...MOT...LOC 1159Z 260DEG 30KT 3053 9190 3024 9163 3003 9172 2983
9157
24/RRSpecial weather statement, May 10, 8:07 AM CDT, 3 hours 24 minutes before
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</html>Special weather statement, May 10, 9:31 AM CDT, 2 hours before
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</html>Local storm report, May 10, 9:34 AM CDT, 1 hour 57 minutes before
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</html>The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:03 PM CDT | Special Weather Statement | LIX | Iberville | 42 min |
| May 9, 7:19 PM CDT | Special Marine Warning | LIX | 41 min | |
| May 9, 7:24 PM CDT | Special Weather Statement | LIX | Ascension | 51 min |
| May 9, 7:37 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, Assumption, Iberville, Saint James | 38 min |
| May 9, 8:08 PM CDT | Special Marine Warning | LIX | 52 min | |
| May 9, 8:15 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, Iberville, Livingston, Saint James, Saint John the Baptist | 30 min |
| May 9, 8:41 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, Livingston, Saint James, Saint John the Baptist, Tangipahoa | 34 min |
| May 9, 8:44 PM CDT | Special Marine Warning | LIX | 46 min | |
| May 9, 8:45 PM CDT | Special Weather Statement | LIX | Iberville | 45 min |
| May 9, 9:14 PM CDT | Special Weather Statement | LIX | Tangipahoa | 46 min |
| May 9, 9:30 PM CDT | Special Weather Statement | LIX | Ascension | 30 min |
| May 9, 10:06 PM CDT | Small Craft Advisory | LIX | 12 hr | |
| May 9, 10:09 PM CDT | Special Weather Statement | LIX | Iberville, West Baton Rouge | 51 min |
| May 9, 10:24 PM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Iberville, West Baton Rouge | 51 min |
| May 9, 11:58 PM CDT | Areal Flood Advisory | LIX | East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena, West Baton Rouge | 62 min |
| May 10, 12:21 AM CDT | River Flood Warning | LIX | East Baton Rouge | 67 hr |
| May 10, 12:26 AM CDT | River Flood Warning | LIX | East Baton Rouge, Livingston | 4 days |
| May 10, 12:26 AM CDT | River Flood Warning | LIX | East Baton Rouge | 5 days |
| May 10, 12:28 AM CDT | River Flood Warning | LIX | Tangipahoa | 5 days |
| May 10, 12:29 AM CDT | River Flood Warning | LIX | Saint Tammany | 4 days |
| May 10, 5:03 AM CDT | Areal Flood Advisory | LIX | East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana | 3 hr |
| May 10, 6:59 AM CDT | Special Weather Statement | LIX | Ascension, Assumption, East Baton Rouge, Iberville, Saint James, West Baton Rouge | 76 min |
| May 10, 7:36 AM CDT | River Flood Warning | LIX | Saint Tammany | 3 days |
| May 10, 7:36 AM CDT | River Flood Warning | LIX | Saint Tammany | 5 days |
| May 10, 7:36 AM CDT | River Flood Warning | LIX | Saint Tammany | 14 hr |
| May 10, 7:45 AM CDT | Special Marine Warning | LIX | 2 hr | |
| May 10, 7:58 AM CDT | Flash Flood Warning | LIX | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston and 3 more | 2 hr |
| May 10, 8:07 AM CDT | Special Weather Statement | LIX | Ascension, Assumption, Saint James, Terrebonne | 53 min |
| May 10, 8:24 AM CDT | River Flood Warning | LIX | Saint Helena | 3 days |
| May 10, 8:55 AM CDT | Severe Thunderstorm Warning | LIX | Ascension, Assumption, Lafourche, Livingston, Saint Charles, Saint James and 2 more | 50 min |
| May 10, 9:31 AM CDT | Special Weather Statement | LIX | Lafourche, Saint Charles, Saint John the Baptist | 44 min |
| May 10, 9:39 AM CDT | Special Marine Warning | LIX | 66 min | |
| May 10, 10:05 AM CDT | Areal Flood Advisory | LIX | Ascension, East Baton Rouge, Livingston, West Baton Rouge | 55 min |
| May 10, 10:54 AM CDT | River Flood Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 25 days |
| May 10, 5:28 PM CDT | Special Marine Warning | LIX | 62 min | |
| May 9, 8:35 PM CDT | River Flood Warning | LIX | Pearl River | 5 days |
| May 10, 11:01 AM CDT | River Flood Warning | LIX | Harrison | 4 days |
Nearby
River Flood Warnings in Louisiana, 2019Every river flood warning in 2019
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.