Alert archive / Louisiana / River Flood Warnings in 2015

River Flood Warning 42, NWS New Orleans, LA

May 27, 2015East Baton Rouge Parish, Pointe Coupee Parish, West Feliciana Parish, Louisiana

NWS New Orleans, LA issued this river flood warning at May 27, 2015, 10:28 AM CDT for East Baton Rouge Parish, Pointe Coupee Parish, West Feliciana Parish, Louisiana. It took effect at Jun 3, 2015, 7:00 AM CDT. It was in force for 71 days.

The area

The counties it named.

The facts

Issued: May 27, 2015, 10:28 AM CDT (15:28 UTC)
In effect from: Jun 3, 2015, 7:00 AM CDT
Expired: Aug 13, 2015, 2:33 PM CDT
In force: 71 days
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Flood severity: Minor

Counties East Baton Rouge Parish, LA, Pointe Coupee Parish, LA, West Feliciana Parish, LA

The river

Written for the forecast point Mississippi River at Red River Landing (RRLL1).

Action stage: 40 ft
Minor stage: 48 ft
Moderate stage: 55 ft
Major stage: 64 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 27, 8:11 AM CDT, 2 hours 17 minutes earlier.

Area forecast discussion, May 27, 8:11 AM CDT, 2 hours 17 minutes before

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Hazardous weather outlook, May 27, 10:05 AM CDT, 23 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1005 AM CDT WED MAY 27 2015

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>082-280315-
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND-
LAKE BORGNE-CHANDELEUR SOUND-BRETON SOUND-
COASTAL WATERS FROM PORT FOURCHON TO LOWER ATCHAFALAYA RIVER OUT
20 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON OUT 20 NM-
COASTAL WATERS FROM BOOTHVILLE LA TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM-
COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA OUT 20 NM-
COASTAL WATERS FROM PORT FOURCHON TO LOWER ATCHAFALAYA RIVER FROM
20 TO 60 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON FROM 20 TO 60 NM-
COASTAL WATERS FROM STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER FROM 20 TO 60 NM-
COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA FROM 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-
1005 AM CDT WED MAY 27 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
LOUISIANA...SOUTH MISSISSIPPI AND THE ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

A MARGINAL RISK OF SEVERE THUNDERSTORMS EXISTS ACROSS ALL OF
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI TODAY. THE OVERALL
THREAT OF SEVERE THUNDERSTORM DEVELOPMENT IS LOW...BUT IF A SEVERE
THUNDERSTORM DOES FORM...THE PRIMARY THREATS WILL BE STRONG
DAMAGING WIND GUSTS...SMALL HAIL...LOCALLY HEAVY DOWNPOURS THAT
COULD PRODUCE STREET FLOODING...AND FREQUENT LIGHTNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A MARGINAL RISK OF SEVERE THUNDERSTORMS WILL ONCE AGAIN EXIST OVER
THE AREA ON THURSDAY. SMALL HAIL...DAMAGING WIND GUSTS...LOCALLY
HEAVY DOWNPOURS...AND FREQUENT LIGHTNING WILL ONCE AGAIN BE A
CONCERN WITH ANY SEVERE THUNDERSTORMS THAT DEVELOP.

FRIDAY THROUGH TUESDAY WILL SEE A RETURN TO MORE TYPICAL
THUNDERSTORMS SEEN OVER THE REGION DURING THE SUMMER MONTHS.
THUNDERSTORMS WILL BE MOST LIKELY FROM LATE MORNING THROUGH THE
EARLY EVENING HOURS...WITH MUCH LESS ACTIVITY OVERNIGHT. A FEW OF
THESE THUNDERSTORMS COULD TURN STRONG...PRODUCING FREQUENT
LIGHTNING STRIKES...GUSTY WINDS...AND LOCALLY HEAVY DOWNPOURS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

32

In the hours before

Special weather statement, May 27, 8:17 AM CDT, 2 hours 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
817 AM CDT WED MAY 27 2015

LAZ034>036-046>048-MSZ068-271415-
WEST BATON ROUGE-IBERVILLE-POINTE COUPEE-EAST FELICIANA-EAST BATON
ROUGE-WEST FELICIANA-WILKINSON-
817 AM CDT WED MAY 27 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WEST BATON ROUGE...
WESTERN EAST BATON ROUGE...WEST FELICIANA...IBERVILLE...WESTERN EAST
FELICIANA...POINTE COUPEE PARISHES IN SOUTHEASTERN LOUISIANA AND
SOUTHERN WILKINSON COUNTIES...

AT 817 AM CDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR LAKE OPHELIA NATIONAL WILDLIFE REFUGE TO NEAR
PALMETTO TO NEAR LEONVILLE TO NEAR CANKTON...AND MOVING SOUTHEAST AT
45 MPH.

WIND GUSTS UP TO 50 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BATON ROUGE...ZACHARY...BAKER...PLAQUEMINE...PORT ALLEN...NEW
ROADS...JACKSON...ST. FRANCISVILLE...ADDIS...BRUSLY...LIVONIA...
MARINGOUIN...WOODVILLE...FORDOCHE...ROSEDALE...GROSSE TETE...
MORGANZA...LOTTIE...FORT ADAMS AND RAMAH.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY CAN RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN NEW ORLEANS.

LAT...LON 3098 9180 3104 9172 3104 9165 3097 9166
      3103 9157 3113 9163 3124 9155 3119 9115
      3021 9121 3006 9128 3005 9137 3010 9138
      3011 9147 3023 9148 3026 9159 3036 9165
      3044 9164 3050 9175 3071 9173 3086 9182
TIME...MOT...LOC 1317Z 313DEG 38KT 3120 9189 3074 9185 3042 9200 3035
9216

32

Special weather statement, May 27, 9:12 AM CDT, 1 hour 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
912 AM CDT WED MAY 27 2015

LAZ034>037-046>050-056-MSZ068-069-271515-
WEST BATON ROUGE-ASSUMPTION-ST. HELENA-IBERVILLE-POINTE COUPEE-EAST
FELICIANA-EAST BATON ROUGE-LIVINGSTON-WEST
FELICIANA-ASCENSION-WILKINSON-AMITE-
912 AM CDT WED MAY 27 2015

...LINE OF STRONG THUNDERSTORMS APPROACHING METRO BATON ROUGE...

AT 912 AM CDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM 8 MILES EAST OF SLOCUM TO NEAR MARINGOUIN TO NEAR ST.
MARTINVILLE TO NEAR CYPREMORT POINT...AND MOVING EAST AT 40 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BATON ROUGE...ZACHARY...BAKER...DENHAM SPRINGS...GONZALES...
DONALDSONVILLE...PLAQUEMINE...PORT ALLEN...NEW ROADS...JACKSON...ST.
FRANCISVILLE...CLINTON...LIBERTY...OAK HILLS PLACE...BELLE RIVER...
ST. GABRIEL...WALKER...ADDIS...BRUSLY AND WHITE CASTLE.

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 AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3118 9071 3028 9078 2996 9110 2983 9111
      2985 9118 2992 9123 2999 9126 3004 9123
      3005 9137 3010 9138 3011 9147 3023 9148
      3026 9159 3047 9167 3052 9163 3101 9160
      3104 9156 3122 9158 3123 9149 3132 9146
TIME...MOT...LOC 1412Z 287DEG 35KT 3126 9150 3050 9156 3019 9188 2970
9192

32

Special weather statement, May 27, 10:15 AM CDT, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1015 AM CDT WED MAY 27 2015

LAZ036-037-039-040-046-048>050-056>058-060-071-072-MSZ068>071-271615-
ASCENSION-ST. JOHN THE BAPTIST-ST. TAMMANY-ASSUMPTION-ST.
HELENA-IBERVILLE-EAST FELICIANA-SOUTHERN TANGIPAHOA-NORTHERN
TANGIPAHOA-EAST BATON ROUGE-LIVINGSTON-ST. JAMES-WASHINGTON-ST.
CHARLES-PIKE-WALTHALL-WILKINSON-AMITE-
1015 AM CDT WED MAY 27 2015

...LINE OF STRONG THUNDERSTORMS MOVING EAST ALONG THE INTERSTATE 12
CORRIDOR...

AT 1014 AM CDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM 7 MILES NORTH OF GLOSTER TO NEAR WATSON TO NEAR BELLE
ROSE...AND MOVING EAST AT 35 MPH.

WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BATON ROUGE...HAMMOND...MCCOMB...DENHAM SPRINGS...GONZALES...
DONALDSONVILLE...CLINTON...LIBERTY...GREENSBURG...HAHNVILLE...
RESERVE...AMITE...LAPLACE...OAK HILLS PLACE...ST. GABRIEL...
PONCHATOULA...WALKER...AMITE CITY...GRAMERCY AND LUTCHER.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3061 9014 3038 9022 3018 9043 3009 9041
      3005 9034 2996 9037 3000 9120 3060 9100
      3132 9109 3135 9098 3135 9024
TIME...MOT...LOC 1514Z 267DEG 32KT 3130 9101 3060 9092 3008 9110

32

Special weather statement, May 27, 10:17 AM CDT, 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1017 AM CDT WED MAY 27 2015

LAZ056-065-271600-
ASSUMPTION-UPPER TERREBONNE-
1017 AM CDT WED MAY 27 2015

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL ASSUMPTION PARISH...

AT 1017 AM CDT...A STRONG THUNDERSTORM WAS NEAR AMELIA...OR 7 MILES
SOUTHEAST OF STEPHENSVILLE. THE STORM WAS NEARLY STATIONARY.

WINDS IN EXCESS OF 40 MPH AND LOCALLY HEAVY RAINFALL ARE POSSIBLE
WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MORGAN CITY...NAPOLEONVILLE...BELLE RIVER...SUPREME AND LABADIEVILLE.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY CAN RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN NEW ORLEANS.

LAT...LON 2995 9100 2978 9095 2972 9100 2971 9094
      2969 9093 2963 9108 2964 9110 2970 9110
      2973 9111 2975 9109 2977 9110 2981 9109
      2984 9113 2985 9118 2986 9120 2989 9121
TIME...MOT...LOC 1517Z 155DEG 1KT 2972 9106

32

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 8:17 AM CDT	Special Weather Statement	LIX	Iberville, Pointe Coupee, West Baton Rouge, West Feliciana	58 min
May 27, 9:12 AM CDT	Special Weather Statement	LIX	Ascension, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge and 1 more	63 min
May 27, 10:15 AM CDT	Special Weather Statement	LIX	Ascension, Livingston, Saint Helena, Saint James, Saint John the Baptist, Tangipahoa	60 min
May 27, 10:17 AM CDT	Special Weather Statement	LIX	Assumption	43 min
May 27, 11:02 AM CDT	Special Weather Statement	LIX	Saint Charles, Saint James, Saint John the Baptist, Terrebonne	43 min
May 27, 11:08 AM CDT	Special Weather Statement	LIX	Saint Tammany, Tangipahoa, Washington	52 min
May 27, 11:31 AM CDT	Severe Thunderstorm Warning	LIX	Saint Charles, Saint John the Baptist	29 min
May 27, 11:43 AM CDT	Special Weather Statement	LIX	Terrebonne	47 min
May 27, 11:48 AM CDT	Special Marine Warning	LIX		57 min
May 27, 12:00 PM CDT	Special Marine Warning	LIX		30 min
May 27, 12:02 PM CDT	Special Weather Statement	LIX	Orleans	43 min
May 27, 12:26 PM CDT	Special Marine Warning	LIX		34 min
May 27, 12:36 PM CDT	Special Marine Warning	LIX		54 min
May 27, 12:43 PM CDT	Special Weather Statement	LIX	Jefferson, Washington	62 min
May 27, 12:54 PM CDT	Special Marine Warning	LIX		66 min

Nearby

River Flood Warnings in Louisiana, 2015 Every river flood warning in 2015

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.