Alert archive / Louisiana / Flash Flood Warnings in 2021

Flash Flood Warning 35, NWS New Orleans, LA

May 17, 20214 parishes in Louisiana

NWS New Orleans, LA issued this flash flood warning at May 17, 2021, 10:11 PM CDT for 4 parishes in Louisiana. It was in force for 15 hr. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 17, 2021, 10:11 PM CDT (03:11 UTC)
Expired: May 18, 2021, 1:00 PM CDT
In force: 15 hr
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Emergency: Flash flood emergency
Damage threat: Catastrophic
Flood severity: None

Counties Ascension Parish, LA, East Baton Rouge Parish, LA, Iberville Parish, LA, Livingston Parish, LA

What was reported inside it

Time	Report	Where	Remark
May 17, 10:20 PM CDT	FLASH FLOOD	1 Se Oak Hills Place, LA	EM REPORTED ST. GEORGE FIRE DEPT CONDUCTED A HIGH WATER RESCUE FROM A HOME IN ST. GEORGE.
May 17, 10:22 PM CDT	FLASH FLOOD	2 E Westminster, LA	WATER ENTERING AT LEAST ONE HOME NEAR JEFFERSON AND AIRLINE.
May 17, 10:48 PM CDT	FLASH FLOOD	1 Nw Oak Hills Place, LA	WATER ENTERING THE WVLA STUDIO.
May 17, 11:00 PM CDT	FLASH FLOOD	1 S Westminster, LA	* 1 FATAL * AN UNDERPASS QUICKLY FLOODED WHICH RESULTED IN ONE FATALITY IN A CAR. TIME IS ESTIMATED BECAUSE THE INDIVIDUAL WAS NOT RECOVERED UNTIL THE FLOOD WATERS RECEDED.
May 17, 11:07 PM CDT	FLASH FLOOD	2 Ese Oak Hills Place, LA	WATER IN A HOME NEAR THE INTERSECTION OF PERKINS RD AND PECUE LN. VIA SOCIAL MEDIA.
May 18, 6:30 AM CDT	FLASH FLOOD	Baton Rouge, LA	NUMEROUS VEHICLES UNDERWATER SOUTHERN PART OF EAST BATON ROUGE PARISH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.2 hours before the alert went out and 131 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 386 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 682 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

988 
WGUS54 KLIX 180311
FFWLIX
LAC005-033-047-063-180615-
/O.NEW.KLIX.FF.W.0035.210518T0311Z-210518T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
1011 PM CDT Mon May 17 2021

...FLASH FLOOD EMERGENCY FOR SOUTHEAST BATON ROUGE...

The National Weather Service in New Orleans has issued a

* Flash Flood Warning for...
  Northwestern Ascension Parish in southeastern Louisiana...
  South Central East Baton Rouge Parish in southeastern Louisiana...
  Northeastern Iberville Parish in southeastern Louisiana...
  West Central Livingston Parish in southeastern Louisiana...

* Until 115 AM CDT.

* At 1011 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 5 and 8 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  This is a FLASH FLOOD EMERGENCY for SOUTHEAST BATON ROUGE. This is 
  a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Doppler radar.

  IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK
           HIGHER GROUND NOW! Life threatening flash flooding of
           low water crossings, small creeks and streams, urban
           areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Baton Rouge, Denham Springs, Oak Hills Place, St. Gabriel, Village 
  St. George, Inniswold, Old Jefferson, Shenandoah, Westminster and 
  Gardere.

This includes the following Interstates...
	Interstate 10 in Louisiana between mile markers 161 and 169.
	Interstate 12 between mile markers 1 and 10.

Additional rainfall amounts of 2 to 4 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now! This is an extremely dangerous and 
life-threatening situation. Do not attempt to travel unless you are 
fleeing an area subject to flooding or under an evacuation order.

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

&&

LAT...LON 3032 9114 3034 9113 3043 9110 3046 9097
      3039 9095 3034 9098 3033 9099 3031 9102
      3028 9110 3029 9115

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC

$$

BL

5 follow-up statements

541 
WGUS74 KLIX 180332
FFSLIX

Flash Flood Statement
National Weather Service New Orleans LA
1032 PM CDT Mon May 17 2021

LAC005-033-047-063-180615-
/O.CON.KLIX.FF.W.0035.000000T0000Z-210518T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ascension LA-East Baton Rouge LA-Iberville LA-Livingston LA-
1032 PM CDT Mon May 17 2021

...FLASH FLOOD EMERGENCY FOR SOUTHEAST BATON ROUGE...

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM CDT TUESDAY 
FOR NORTHWESTERN ASCENSION, SOUTH CENTRAL EAST BATON ROUGE, 
NORTHEASTERN IBERVILLE AND WEST CENTRAL LIVINGSTON PARISHES...

At 1032 PM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 5 and 8 inches of rain 
have fallen. Flash flooding is ongoing and emergency management has 
conducted a high water rescue.

This is a FLASH FLOOD EMERGENCY for SOUTHEAST BATON ROUGE. This is a 
PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Emergency management.

IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER
         GROUND NOW! Life threatening flash flooding of low water
         crossings, small creeks and streams, urban areas,
         highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Baton Rouge, Denham Springs, Oak Hills Place, St. Gabriel, Village 
  St. George, Inniswold, Old Jefferson, Shenandoah, Westminster and 
  Gardere.

This includes the following Interstates...
	Interstate 10 in Louisiana between mile markers 161 and 169.
	Interstate 12 between mile markers 2 and 10.

Additional rainfall amounts of 2 to 4 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now! This is an extremely dangerous and 
life-threatening situation. Do not attempt to travel unless you are 
fleeing an area subject to flooding or under an evacuation order.

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3032 9114 3034 9113 3043 9110 3046 9097
      3039 9095 3034 9098 3033 9099 3031 9102
      3028 9110 3029 9115

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC

$$

BL

326 
WGUS54 KLIX 180612
FFWLIX
LAC005-033-047-063-180900-
/O.EXT.KLIX.FF.W.0035.000000T0000Z-210518T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
112 AM CDT Tue May 18 2021

...FLASH FLOOD EMERGENCY FOR SOUTHEAST BATON ROUGE...

The National Weather Service in New Orleans has extended the

* Flash Flood Warning for...
  Northwestern Ascension Parish in southeastern Louisiana...
  South Central East Baton Rouge Parish in southeastern Louisiana...
  Northeastern Iberville Parish in southeastern Louisiana...
  West Central Livingston Parish in southeastern Louisiana...

* Until 400 AM CDT.

* At 112 AM CDT, emergency management reported heavy rain across the 
  warned area. Between 5 and 8 inches of rain have fallen, with 
  isolated amounts nearing 12 inches. Flash flooding is already 
  occurring. High water rescues are currently ongoing.

  This is a FLASH FLOOD EMERGENCY for SOUTHEAST BATON ROUGE. This is 
  a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Emergency management.

  IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK
           HIGHER GROUND NOW! Life threatening flash flooding of
           low water crossings, small creeks and streams, urban
           areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Baton Rouge, Denham Springs, Oak Hills Place, St. Gabriel, Village 
  St. George, Inniswold, Old Jefferson, Shenandoah, Westminster and 
  Gardere.

This includes the following Interstates...
	Interstate 10 in Louisiana between mile markers 161 and 169.
	Interstate 12 between mile markers 2 and 10.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now! This is an extremely dangerous and 
life-threatening situation. Do not attempt to travel unless you are 
fleeing an area subject to flooding or under an evacuation order.

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3032 9114 3034 9113 3043 9110 3046 9097
      3039 9095 3034 9098 3033 9099 3031 9102
      3028 9110 3029 9115

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
EXPECTED RAINFALL...1 INCH IN 3 HOURS 

$$

635 
WGUS54 KLIX 180848
FFWLIX
LAC005-033-047-063-181200-
/O.EXT.KLIX.FF.W.0035.000000T0000Z-210518T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
348 AM CDT Tue May 18 2021

...FLASH FLOOD EMERGENCY FOR SOUTHEAST BATON ROUGE...

The National Weather Service in New Orleans has extended the

* Flash Flood Warning for...
  Northwestern Ascension Parish in southeastern Louisiana...
  South Central East Baton Rouge Parish in southeastern Louisiana...
  Northeastern Iberville Parish in southeastern Louisiana...
  West Central Livingston Parish in southeastern Louisiana...

* Until 700 AM CDT.

* At 348 AM CDT, emergency management and law enforcement continued 
  to report high water rescues in progress in portions of the Baton 
  Rouge Metro area.

  This is a FLASH FLOOD EMERGENCY for SOUTHEAST BATON ROUGE. This is 
  a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

  HAZARD...Life threatening flash flooding.

  SOURCE...Emergency management.

  IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK
           HIGHER GROUND NOW! Life threatening flash flooding of
           low water crossings, small creeks and streams, urban
           areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Baton Rouge, Denham Springs, Oak Hills Place, St. Gabriel, Village 
  St. George, Inniswold, Old Jefferson, Shenandoah, Westminster and 
  Gardere.

This includes the following Interstates...
	Interstate 10 in Louisiana between mile markers 161 and 169.
	Interstate 12 between mile markers 2 and 10.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now! This is an extremely dangerous and 
life-threatening situation. Do not attempt to travel unless you are 
fleeing an area subject to flooding or under an evacuation order.

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.



&&

LAT...LON 3032 9114 3034 9113 3043 9110 3046 9097
      3039 9095 3034 9098 3033 9099 3031 9102
      3028 9110 3029 9115

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
EXPECTED RAINFALL...1 INCH IN 3 HOURS 

$$

255 
WGUS54 KLIX 181142
FFWLIX
LAC005-033-047-063-181500-
/O.EXT.KLIX.FF.W.0035.000000T0000Z-210518T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
642 AM CDT Tue May 18 2021

...FLASH FLOOD EMERGENCY FOR SOUTHEAST BATON ROUGE...

The National Weather Service in New Orleans has extended the

* Flash Flood Warning for...
  Northwestern Ascension Parish in southeastern Louisiana...
  South Central East Baton Rouge Parish in southeastern Louisiana...
  Northeastern Iberville Parish in southeastern Louisiana...
  West Central Livingston Parish in southeastern Louisiana...

* Until 1000 AM CDT.

* At 642 AM CDT, emergency management reported thunderstorms 
  producing heavy rain across the warned area. Between 5 and 10 
  inches of rain have fallen. Flash flooding is already occurring.

  This is a FLASH FLOOD EMERGENCY for SOUTHEAST BATON ROUGE. This is 
  a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Emergency management.

  IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK
           HIGHER GROUND NOW! Life threatening flash flooding of
           low water crossings, small creeks and streams, urban
           areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Baton Rouge, Denham Springs, Oak Hills Place, St. Gabriel, Village 
  St. George, Inniswold, Old Jefferson, Shenandoah, Westminster and 
  Gardere.

This includes the following Interstates...
	Interstate 10 in Louisiana between mile markers 161 and 169.
	Interstate 12 between mile markers 2 and 10.

Additional rainfall amounts up to 1 inch are possible in the warned 
area over the next 3 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now! This is an extremely dangerous and 
life-threatening situation. Do not attempt to travel unless you are 
fleeing an area subject to flooding or under an evacuation order.

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, urban areas, highways, streets and underpasses 
as well as other drainage areas and low lying spots.

&&

LAT...LON 3032 9114 3034 9113 3043 9110 3046 9097
      3039 9095 3034 9098 3033 9099 3031 9102
      3028 9110 3029 9115

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
EXPECTED RAINFALL...1 INCH IN 3 HOURS 

$$

TE

618 
WGUS54 KLIX 181451
FFWLIX
LAC005-033-047-063-181800-
/O.EXT.KLIX.FF.W.0035.000000T0000Z-210518T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
951 AM CDT Tue May 18 2021

The National Weather Service in New Orleans has extended the

* Flash Flood Warning for...
  Northwestern Ascension Parish in southeastern Louisiana...
  South Central East Baton Rouge Parish in southeastern Louisiana...
  Northeastern Iberville Parish in southeastern Louisiana...
  West Central Livingston Parish in southeastern Louisiana...

* Until 100 PM CDT.

* At 951 AM CDT, flooding issues continue over the area. Rainfall 
  amounts of 6-8 inches with some areas in excess of 12 inches have 
  fallen over the warned area. Multiple road closures and high water 
  rescues are continuing.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Baton Rouge, Denham Springs, Oak Hills Place, St. Gabriel, Village 
  St. George, Inniswold, Old Jefferson, Shenandoah, Westminster and 
  Gardere.

This includes the following Interstates...
	Interstate 10 in Louisiana between mile markers 161 and 169.
	Interstate 12 between mile markers 2 and 10.

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, urban areas, highways, streets and underpasses 
as well as other drainage areas and low lying spots.

&&

LAT...LON 3032 9114 3034 9113 3043 9110 3046 9097
      3039 9095 3034 9098 3033 9099 3031 9102
      3028 9110 3029 9115

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1 INCH IN 3 HOURS 

$$

SO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 7:09 PM CDT	Flash Flood Warning	LIX	East Baton Rouge	4 hr
May 17, 7:15 PM CDT	Special Weather Statement	LIX	West Baton Rouge	30 min
May 17, 8:48 PM CDT	Flash Flood Warning	LIX	Ascension, East Baton Rouge, Iberville	3 hr
May 17, 11:25 PM CDT	Areal Flood Advisory	LIX	Ascension, Assumption, Lafourche, Saint James	2 hr
May 17, 11:52 PM CDT	Flash Flood Warning	LIX	Ascension, Iberville	3 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LIX	Ascension, East Baton Rouge, Livingston	3 hr
May 18, 1:12 AM CDT	High Wind Warning	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Helena and 6 more	6 hr
May 18, 2:06 AM CDT	River Flood Warning	LIX	East Baton Rouge	33 hr
May 18, 2:13 AM CDT	Special Weather Statement	LIX	Terrebonne	47 min
May 18, 2:17 AM CDT	River Flood Warning	LIX	East Baton Rouge	21 days
May 18, 2:17 AM CDT	River Flood Warning	LIX	East Baton Rouge, Livingston	21 days
May 18, 2:17 AM CDT	River Flood Warning	LIX	Ascension, Livingston	21 days
May 18, 2:17 AM CDT	Special Marine Warning	LIX		13 min
May 18, 2:23 AM CDT	Tornado Warning	LIX	Saint Tammany, Tangipahoa	12 min
May 18, 2:24 AM CDT	River Flood Warning	LIX	Saint Helena	62 hr
May 18, 2:24 AM CDT	River Flood Warning	LIX	Livingston	5 days
May 18, 2:26 AM CDT	River Flood Warning	LIX	Tangipahoa	57 hr
May 18, 2:39 AM CDT	Special Marine Warning	LIX		66 min
May 18, 2:44 AM CDT	Special Marine Warning	LIX		16 min
May 18, 2:47 AM CDT	Special Weather Statement	LIX	Saint Tammany	28 min
May 18, 2:49 AM CDT	Tornado Warning	LIX	Saint Tammany	26 min
May 18, 2:56 AM CDT	Flash Flood Warning	LIX	Saint Charles	3 hr
May 18, 2:57 AM CDT	Flash Flood Warning	LIX	Ascension, Iberville	6 hr
May 18, 3:14 AM CDT	Special Marine Warning	LIX		46 min
May 18, 3:17 AM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Saint Charles	13 min
May 18, 3:20 AM CDT	Tornado Warning	LIX	Jefferson, Saint Charles	16 min
May 18, 3:29 AM CDT	Special Marine Warning	LIX		61 min
May 18, 3:57 AM CDT	Special Weather Statement	LIX	Jefferson	63 min
May 18, 4:19 AM CDT	Special Weather Statement	LIX	Orleans, Saint Charles	56 min
May 18, 4:31 AM CDT	Special Marine Warning	LIX		44 min
May 18, 4:50 AM CDT	Flash Flood Warning	LIX	Jefferson, Orleans, Plaquemines	3 hr
May 18, 5:13 AM CDT	Special Weather Statement	LIX	Jefferson, Orleans, Plaquemines	62 min
May 18, 5:26 AM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard	49 min
May 18, 5:35 AM CDT	Special Marine Warning	LIX		55 min
May 18, 5:39 AM CDT	Special Marine Warning	LIX		51 min
May 18, 6:23 AM CDT	Special Weather Statement	LIX	Plaquemines	37 min
May 18, 6:26 AM CDT	Special Marine Warning	LIX		34 min
May 18, 6:32 AM CDT	Special Marine Warning	LIX		58 min
May 18, 6:39 AM CDT	Special Marine Warning	LIX		66 min
May 18, 6:42 AM CDT	Special Marine Warning	LIX		63 min
May 18, 7:04 AM CDT	Special Marine Warning	LIX		26 min
May 18, 8:13 AM CDT	Areal Flood Advisory	LIX	Saint Tammany	3 hr
May 18, 8:20 AM CDT	Special Marine Warning	LIX		55 min
May 18, 9:01 AM CDT	Special Marine Warning	LIX		59 min
May 18, 9:21 AM CDT	Flash Flood Warning	LIX	Ascension, Assumption, Iberville	3 hr
May 18, 9:59 AM CDT	River Flood Warning	LIX	Saint Tammany	60 hr
May 18, 9:59 AM CDT	River Flood Warning	LIX	Saint Tammany	17 hr
May 18, 10:06 AM CDT	River Flood Warning	LIX	Saint Tammany	72 hr
May 18, 10:06 AM CDT	River Flood Warning	LIX	Saint Tammany	24 hr
May 18, 10:16 AM CDT	River Flood Warning	LIX	Saint Helena	57 hr
May 18, 10:17 AM CDT	Special Weather Statement	LIX	Saint Tammany	28 min
May 18, 10:46 AM CDT	Special Weather Statement	LIX	Washington	59 min
May 18, 10:51 AM CDT	River Flood Warning	LIX	Saint Tammany, Washington	7 days
May 18, 10:54 AM CDT	River Flood Warning	LIX	Saint Tammany	48 hr
May 18, 11:24 AM CDT	River Flood Warning	LIX	Ascension, Livingston	8 days
May 18, 3:38 PM CDT	Flash Flood Warning	LIX	Ascension, East Baton Rouge, Iberville, Livingston	4 hr
May 18, 3:49 PM CDT	Special Marine Warning	LIX		56 min
May 18, 4:00 PM CDT	Coastal Flood Warning	LIX	Orleans, Saint Bernard, Saint James, Saint John the Baptist, Saint Tammany	6 days
May 18, 4:22 PM CDT	Areal Flood Advisory	LIX	East Baton Rouge, Livingston, Saint Helena	3 hr
May 18, 5:13 PM CDT	Special Marine Warning	LIX		32 min

Nearby

Flash Flood Warnings in Louisiana, 2021 Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.