Alert archive / Louisiana / Flash Flood Watches in 2021
Flash Flood Watch 7, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood watch at Aug 28, 2021, 3:25 AM CDT for 6 parishes in Louisiana. It took effect at Aug 29, 2021, 7:00 AM CDT. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Aug 28, 2021, 3:25 AM CDT (08:25 UTC)
- In effect from
- Aug 29, 2021, 7:00 AM CDT
- Expired
- Aug 30, 2021, 4:47 AM CDT
- In force
- 22 hr
- Issued by
- NWS Lake Charles, LA
- Flood severity
- None
Counties Avoyelles Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA
The radar
The Ft Polk radar (KPOE), 100 km from the middle of the area, began a volume at 08:25 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 nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.4 hours before the alert went out and 121 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.
- Mixed-layer CAPE
- 1227 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1316 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
234 WGUS64 KLCH 280825 FFALCH URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Lake Charles LA 325 AM CDT Sat Aug 28 2021 LAZ028-029-032-033-043>045-052>055-281700- /O.NEW.KLCH.FF.A.0007.210829T1200Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rapides-Avoyelles-Evangeline-St. Landry-Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary-Lower St. Martin- Including the cities of Richard, Opelousas, Mansura, Intracoastal City, Branch, Kaplan, Effie, Burns Point, Reddell, Patterson, Cottonport, Ville Platte, Eunice, St. Martinville, Rayne, Simmesport, New Iberia, Berwick, Meaux, Pineville, Bayou Vista, Abbeville, St. Landry, Mamou, Crowley, Marksville, Franklin, Lawtell, Morgan City, Breaux Bridge, Alexandria, Bunkie, Church Point, Forked Island, Cade, Beaver, Centerville, Lafayette, and Stephensville 325 AM CDT Sat Aug 28 2021 ...FLASH FLOOD WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... The National Weather Service in Lake Charles has issued a * Flash Flood Watch for portions of central Louisiana, south central Louisiana and southwest Louisiana, including the following parishes, in central Louisiana, Avoyelles, Evangeline, Rapides and St. Landry. In south central Louisiana, Iberia, Lafayette, Lower St. Martin, St. Mary and Upper St. Martin. In southwest Louisiana, Acadia and Vermilion. * From Sunday morning through Monday evening. * Heavy rains associated with Hurricane Ida will spread over the area beginning Sunday. Rainfall amounts of 6 to 12 inches can be expected in the watch area, mainly over lower Acadiana closer to where the center of the storm is forecast to make landfall. Isolated higher amounts will be likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. The Weather Prediction Center has issued a High Risk of excessive rainfall leading to flash flooding for portions of lower Acadiana. Over 40 percent of flood related deaths and 90 percent of flash flood related property damages occur during High Risk events. There is the potential for areas to experience flash flooding that normally do not, placing lives and property in greater danger. && $$ 25
7 follow-up statements
735 WGUS64 KLCH 281516 FFALCH Flood Watch National Weather Service Lake Charles LA 1016 AM CDT Sat Aug 28 2021 LAZ028-029-032-033-043>045-052>055-282330- /O.CON.KLCH.FF.A.0007.210829T1200Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rapides-Avoyelles-Evangeline-St. Landry-Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary-Lower St. Martin- Including the cities of Richard, Opelousas, Mansura, Intracoastal City, Branch, Kaplan, Effie, Burns Point, Reddell, Patterson, Cottonport, Ville Platte, Eunice, St. Martinville, Rayne, Simmesport, New Iberia, Berwick, Meaux, Pineville, Bayou Vista, Abbeville, St. Landry, Mamou, Crowley, Marksville, Franklin, Lawtell, Morgan City, Breaux Bridge, Alexandria, Bunkie, Church Point, Forked Island, Cade, Beaver, Centerville, Lafayette, and Stephensville 1016 AM CDT Sat Aug 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... The Flash Flood Watch continues for * Portions of central Louisiana, south central Louisiana and southwest Louisiana, including the following parishes, in central Louisiana, Avoyelles, Evangeline, Rapides and St. Landry. In south central Louisiana, Iberia, Lafayette, Lower St. Martin, St. Mary and Upper St. Martin. In southwest Louisiana, Acadia and Vermilion. * From Sunday morning through Monday evening. * Heavy rains associated with Hurricane Ida will spread over the area beginning Sunday. Rainfall amounts of 6 to 12 inches can be expected in the watch area, mainly over lower Acadiana closer to where the center of the storm is forecast to make landfall. Isolated higher amounts will be likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. The Weather Prediction Center has issued a High Risk of excessive rainfall leading to flash flooding. Over 40 percent of flood related deaths and 90 percent of flash flood related property damages occur during High Risk events. There is the potential for areas to experience flash flooding that normally do not, placing lives and property in greater danger. && $$ 13
765 WGUS64 KLCH 282058 FFALCH Flood Watch National Weather Service Lake Charles LA 358 PM CDT Sat Aug 28 2021 LAZ028-029-032-033-043>045-052>055-290500- /O.CON.KLCH.FF.A.0007.210829T1200Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rapides-Avoyelles-Evangeline-St. Landry-Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary-Lower St. Martin- Including the cities of Richard, Opelousas, Mansura, Intracoastal City, Branch, Kaplan, Effie, Burns Point, Reddell, Patterson, Cottonport, Ville Platte, Eunice, St. Martinville, Rayne, Simmesport, New Iberia, Berwick, Meaux, Pineville, Bayou Vista, Abbeville, St. Landry, Mamou, Crowley, Marksville, Franklin, Lawtell, Morgan City, Breaux Bridge, Alexandria, Bunkie, Church Point, Forked Island, Cade, Beaver, Centerville, Lafayette, and Stephensville 358 PM CDT Sat Aug 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... The Flash Flood Watch continues for * Portions of central Louisiana, south central Louisiana and southwest Louisiana, including the following parishes, in central Louisiana, Avoyelles, Evangeline, Rapides and St. Landry. In south central Louisiana, Iberia, Lafayette, Lower St. Martin, St. Mary and Upper St. Martin. In southwest Louisiana, Acadia and Vermilion. * From Sunday morning through Monday evening. * Heavy rains associated with Hurricane Ida will spread over the area beginning Sunday. Rainfall amounts of 6 to 12 inches can be expected in the watch area, mainly over lower Acadiana closer to where the center of the storm is forecast to make landfall. Isolated higher amounts will be likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. The Weather Prediction Center has issued a High Risk of excessive rainfall leading to flash flooding. Over 40 percent of flood related deaths and 90 percent of flash flood related property damages occur during High Risk events. There is the potential for areas to experience flash flooding that normally do not, placing lives and property in greater danger. && $$ 13
551 WGUS64 KLCH 290350 FFALCH Flood Watch National Weather Service Lake Charles LA 1050 PM CDT Sat Aug 28 2021 LAZ028-029-032-033-043>045-052>055-291400- /O.CON.KLCH.FF.A.0007.210829T1200Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rapides-Avoyelles-Evangeline-St. Landry-Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary-Lower St. Martin- Including the cities of Richard, Opelousas, Mansura, Intracoastal City, Branch, Kaplan, Effie, Burns Point, Reddell, Patterson, Cottonport, Ville Platte, Eunice, St. Martinville, Rayne, Simmesport, New Iberia, Berwick, Meaux, Pineville, Bayou Vista, Abbeville, St. Landry, Mamou, Crowley, Marksville, Franklin, Lawtell, Morgan City, Breaux Bridge, Alexandria, Bunkie, Church Point, Forked Island, Cade, Beaver, Centerville, Lafayette, and Stephensville 1050 PM CDT Sat Aug 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 AM CDT SUNDAY THROUGH MONDAY EVENING... The Flash Flood Watch continues for * Portions of central Louisiana, south central Louisiana and southwest Louisiana, including the following parishes, in central Louisiana, Avoyelles, Evangeline, Rapides and St. Landry. In south central Louisiana, Iberia, Lafayette, Lower St. Martin, St. Mary and Upper St. Martin. In southwest Louisiana, Acadia and Vermilion. * From 7 AM CDT Sunday through Monday evening. * Heavy rains associated with Hurricane Ida will spread over the area beginning Sunday. Rainfall amounts of 6 to 12 inches can be expected in the watch area, mainly over lower Acadiana closer to where the center of the storm is forecast to make landfall. Isolated higher amounts will be likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. The Weather Prediction Center has issued a High Risk of excessive rainfall leading to flash flooding. Over 40 percent of flood related deaths and 90 percent of flash flood related property damages occur during High Risk events. There is the potential for areas to experience flash flooding that normally do not, placing lives and property in greater danger. && $$ Landreneau
059 WGUS64 KLCH 291221 FFALCH Flood Watch National Weather Service Lake Charles LA 721 AM CDT Sun Aug 29 2021 LAZ028-029-032-033-043>045-052>055-292300- /O.CON.KLCH.FF.A.0007.000000T0000Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rapides-Avoyelles-Evangeline-St. Landry-Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary-Lower St. Martin- Including the cities of Richard, Opelousas, Mansura, Intracoastal City, Branch, Kaplan, Effie, Burns Point, Reddell, Patterson, Cottonport, Ville Platte, Eunice, St. Martinville, Rayne, Simmesport, New Iberia, Berwick, Meaux, Pineville, Bayou Vista, Abbeville, St. Landry, Mamou, Crowley, Marksville, Franklin, Lawtell, Morgan City, Breaux Bridge, Alexandria, Bunkie, Church Point, Forked Island, Cade, Beaver, Centerville, Lafayette, and Stephensville 721 AM CDT Sun Aug 29 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING... The Flash Flood Watch continues for * Portions of central Louisiana, south central Louisiana and southwest Louisiana, including the following parishes, in central Louisiana, Avoyelles, Evangeline, Rapides and St. Landry. In south central Louisiana, Iberia, Lafayette, Lower St. Martin, St. Mary and Upper St. Martin. In southwest Louisiana, Acadia and Vermilion. * Through Monday evening. * Heavy rains associated with Hurricane Ida will spread over the area starting later this morning. Rainfall amounts of 6 to 12 inches can be expected in the watch area, mainly over lower Acadiana closer to where the center of the storm will make landfall. Isolated higher amounts will be likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. The Weather Prediction Center has issued a Moderate Risk of excessive rainfall leading to flash flooding. Over 40 percent of flood related deaths and 90 percent of flash flood related property damages occur during High Risk events. There is the potential for areas to experience flash flooding that normally do not, placing lives and property in greater danger. && $$ 25
824 WGUS64 KLCH 292040 FFALCH Flood Watch National Weather Service Lake Charles LA 340 PM CDT Sun Aug 29 2021 LAZ028-032-043-052-292145- /O.CAN.KLCH.FF.A.0007.000000T0000Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rapides-Evangeline-Acadia-Vermilion- Including the cities of Intracoastal City, Alexandria, St. Landry, Mamou, Ville Platte, Church Point, Rayne, Meaux, Crowley, Reddell, Branch, Kaplan, Beaver, Abbeville, Forked Island, Richard, and Pineville 340 PM CDT Sun Aug 29 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of central Louisiana and southwest Louisiana, including the following parishes, in central Louisiana, Evangeline and Rapides. In southwest Louisiana, Acadia and Vermilion has been cancelled. On the current forecast track, Hurricane Ida is no longer expected to result in the potential for flooding rains in these areas. $$ LAZ029-033-044-045-053>055-300445- /O.CON.KLCH.FF.A.0007.000000T0000Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Avoyelles-St. Landry-Lafayette-Upper St. Martin-Iberia-St. Mary- Lower St. Martin- Including the cities of Opelousas, Mansura, Effie, Burns Point, Patterson, Cottonport, Eunice, St. Martinville, Simmesport, New Iberia, Berwick, Bayou Vista, Marksville, Franklin, Lawtell, Morgan City, Breaux Bridge, Bunkie, Cade, Lafayette, Centerville, and Stephensville 340 PM CDT Sun Aug 29 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING... The Flash Flood Watch continues for * Portions of central Louisiana and south central Louisiana, including the following parishes, in central Louisiana, Avoyelles and St. Landry. In south central Louisiana, Iberia, Lafayette, Lower St. Martin, St. Mary and Upper St. Martin. * Through Monday evening. * Heavy rains associated with Hurricane Ida will continue to spread into the area later this afternoon and tonight. Rainfall amounts of 2 to 4 inches are possible in watch area, with locally higher amounts of up to 8 inches across lower Acadiana closer to where the center of Ida tracks tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 13
157 WGUS64 KLCH 300129 FFALCH Flood Watch National Weather Service Lake Charles LA 829 PM CDT Sun Aug 29 2021 LAZ029-033-044-300230- /O.CAN.KLCH.FF.A.0007.000000T0000Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Avoyelles-St. Landry-Lafayette- Including the cities of Cottonport, Bunkie, Eunice, Opelousas, Mansura, Simmesport, Marksville, Lawtell, Lafayette, and Effie 829 PM CDT Sun Aug 29 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of central Louisiana and south central Louisiana, including the following parishes, in central Louisiana, Avoyelles and St. Landry. In south central Louisiana, Lafayette has been cancelled. The Flood Watch is cancelled. $$ LAZ045-053>055-301400- /O.CON.KLCH.FF.A.0007.000000T0000Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Upper St. Martin-Iberia-St. Mary-Lower St. Martin- Including the cities of Bayou Vista, Breaux Bridge, Patterson, Stephensville, St. Martinville, New Iberia, Cade, Centerville, Burns Point, Berwick, Morgan City, and Franklin 829 PM CDT Sun Aug 29 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING... The Flash Flood Watch continues for * A portion of south central Louisiana, including the following parishes, Iberia, Lower St. Martin, St. Mary and Upper St. Martin. * Through Monday evening. * Heavy rains associated with Hurricane Ida will continue to spread into the area later tonight, with trailing rain bands expected into the day Monday. Rainfall amounts of 2 to 4 inches are possible in watch area, with locally higher amounts of up to 7 inches across lower Acadiana closer to where the center of Ida tracks tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Landreneau
807 WGUS64 KLCH 300947 FFALCH Flood Watch National Weather Service Lake Charles LA 447 AM CDT Mon Aug 30 2021 ...Flash flood watch is cancelled... .The threat for heavy rainfall has ended. LAZ045-053>055-301100- /O.CAN.KLCH.FF.A.0007.000000T0000Z-210831T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Upper St. Martin-Iberia-St. Mary-Lower St. Martin- Including the cities of Breaux Bridge, Cade, St. Martinville, New Iberia, Morgan City, Burns Point, Centerville, Franklin, Patterson, Berwick, Bayou Vista, and Stephensville 447 AM CDT Mon Aug 30 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for a portion of south central Louisiana has been cancelled. The threat for heavy rainfall has ended. $$
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 4:06 PM CDT | Small Craft Advisory | LCH | 51 hr | |
| Aug 28, 5:42 PM CDT | Special Weather Statement | LCH | Saint Landry | 48 min |
Nearby
Flash Flood Watches in Louisiana, 2021Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.