Alert archive / Louisiana / Flash Flood Watches in 2021
Flash Flood Watch 5, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood watch at May 11, 2021, 3:20 AM CDT for 4 counties in Texas; 10 parishes in Louisiana. It took effect at May 11, 2021, 1:00 PM CDT. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2021, 3:20 AM CDT (08:20 UTC)
- In effect from
- May 11, 2021, 1:00 PM CDT
- Expired
- May 12, 2021, 1:00 PM CDT
- In force
- 24 hr
- Issued by
- NWS Lake Charles, LA
- Flood severity
- None
Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vernon Parish, LA, Hardin County, TX, Jasper County, TX, Newton County, TX, Tyler County, TX
The radar
The Ft Polk radar (KPOE), 58 km from the middle of the area, began a volume at 08:21 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, 8.3 hours before the alert went out and 61 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
- 213 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1481 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
451 WGUS64 KLCH 110820 FFALCH URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Lake Charles LA 320 AM CDT Tue May 11 2021 LAZ027>033-043>045-052>055-TXZ180-259-260-111630- /O.NEW.KLCH.FF.A.0005.210511T1800Z-210512T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry- Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary-Lower St. Martin-Tyler-Northern Jasper-Northern Newton- Including the cities of Bundick Lake, Newton, Richard, Holly Springs, Magnolia Springs, Opelousas, Town Bluff, Spurger, Mansura, Kinder, Pickering, Call, Branch, Kaplan, Fort Polk, Jamestown, Effie, Burns Point, New Iberia, Intracoastal City, Reddell, Oakdale, Patterson, Cottonport, Ville Platte, Eunice, St. Martinville, Rayne, Fred, Simmesport, Slagle, Roganville, Berwick, Meaux, Pineville, Bayou Vista, Abbeville, Wiergate, St. Landry, Mamou, Oretta, Fields, Crowley, Burkeville, Marksville, Franklin, Lawtell, Mt. Union, Farrsville, Morgan City, Breaux Bridge, Alexandria, Woodville, Bleakwood, Kirbyville, Warren, Bunkie, Church Point, De Ridder, Forked Island, Ivanhoe, Cade, Jasper, Beaver, Centerville, Hillister, Lafayette, Leesville, and Stephensville 320 AM CDT Tue May 11 2021 ...FLASH FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH WEDNESDAY AFTERNOON... The National Weather Service in Lake Charles has issued a * Flash Flood Watch for portions of Louisiana and southeast Texas, including the following areas, in Louisiana, Acadia, Allen, Avoyelles, Beauregard, Evangeline, Iberia, Lafayette, Lower St. Martin, Rapides, St. Landry, St. Mary, Upper St. Martin, Vermilion and Vernon. In southeast Texas, Northern Jasper, Northern Newton and Tyler. * From 1 PM CDT this afternoon through Wednesday afternoon * A stalled front will be draped across interior southeast Texas and central Louisiana this afternoon. Daytime heating and moisture pooling along the front should trigger thunderstorms with heavy rainfall. This band of heavy rains should sag southeast Tuesday night into Wednesday morning resulting in 1-3 inches of rainfall with isolated higher amounts possible over the saturated soils from previous rains. 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. && $$ 04
4 follow-up statements
519 WGUS64 KLCH 111628 FFALCH Flood Watch National Weather Service Lake Charles LA 1128 AM CDT Tue May 11 2021 LAZ027>033-043>045-052>055-TXZ180-259-260-120530- /O.CON.KLCH.FF.A.0005.210511T1800Z-210512T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry- Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary-Lower St. Martin-Tyler-Northern Jasper-Northern Newton- Including the cities of Bundick Lake, Newton, Richard, Holly Springs, Magnolia Springs, Opelousas, Town Bluff, Spurger, Mansura, Kinder, Pickering, Call, Branch, Kaplan, Fort Polk, Jamestown, Effie, Burns Point, New Iberia, Intracoastal City, Reddell, Oakdale, Patterson, Cottonport, Ville Platte, Eunice, St. Martinville, Rayne, Fred, Simmesport, Slagle, Roganville, Berwick, Meaux, Pineville, Bayou Vista, Abbeville, Wiergate, St. Landry, Mamou, Oretta, Fields, Crowley, Burkeville, Marksville, Franklin, Lawtell, Mt. Union, Farrsville, Morgan City, Breaux Bridge, Alexandria, Woodville, Bleakwood, Kirbyville, Warren, Bunkie, Church Point, De Ridder, Forked Island, Ivanhoe, Cade, Jasper, Beaver, Centerville, Hillister, Lafayette, Leesville, and Stephensville 1128 AM CDT Tue May 11 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON... ...POTENTIAL FOR SIGNIFICANT FLASH FLOODING... The Flash Flood Watch continues for * Portions of Louisiana and southeast Texas, including the following areas, in Louisiana, Acadia, Allen, Avoyelles, Beauregard, Evangeline, Iberia, Lafayette, Lower St. Martin, Rapides, St. Landry, St. Mary, Upper St. Martin, Vermilion and Vernon. In southeast Texas, Northern Jasper, Northern Newton and Tyler. * Through Wednesday afternoon * A stalled front will be draped across interior southeast Texas and central Louisiana this afternoon. Daytime heating and moisture pooling along the front should trigger thunderstorms with heavy rainfall. This band of heavy rains should sag southeast Tuesday night into Wednesday morning resulting in 1-3 inches of rainfall with isolated higher amounts possible over the saturated soils from previous rains. 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. The probability for numerous significant flash floods events has increased. There is an increased danger to lives and property due to flash flooding. && $$ 87
950 WGUS64 KLCH 120213 FFALCH Flood Watch National Weather Service Lake Charles LA 913 PM CDT Tue May 11 2021 LAZ041-042-073-074-TXZ201-215-216-261-262-121200- /O.EXA.KLCH.FF.A.0005.000000T0000Z-210512T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Calcasieu-Jefferson Davis-West Cameron-East Cameron-Hardin-Jefferson- Orange-Southern Jasper-Southern Newton- Including the cities of Roanoke, Buna, Silsbee, Topsy, Deweyville, Lumberton, Johnson Bayou, Orange, Bridge City, Creole, Klondike, Gist, Welsh, Jennings, Grand Lake, Rutherford Beach, Sabine Pass, Sulphur, Sea Rim State Park, Lake Charles, Grand Chenier, Hackberry, Evadale, Hathaway, Beaumont, Lake Arthur, Vidor, and Cameron 913 PM CDT Tue May 11 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH WEDNESDAY AFTERNOON... ...POTENTIAL FOR SIGNIFICANT FLASH FLOODING... The National Weather Service in Lake Charles has expanded the * Flash Flood Watch to include portions of southwest Louisiana and southeast Texas, including the following areas, in southwest Louisiana, Calcasieu, East Cameron, Jefferson Davis and West Cameron. In southeast Texas, Hardin, Jefferson, Orange, Southern Jasper and Southern Newton. * Through Wednesday afternoon * Showers and thunderstorms are expected to continue near a stalled front into early Wednesday. Some of the thunderstorms will produce heavy rainfall resulting in 1-3 inches of rainfall with isolated higher amounts possible over the saturated soils from previous rains. 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. The probability for numerous significant flash floods events has increased. There is an increased danger to lives and property due to flash flooding. && $$ LAZ027>033-043>045-052>055-TXZ180-259-260-121200- /O.CON.KLCH.FF.A.0005.000000T0000Z-210512T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry- Acadia-Lafayette-Upper St. Martin-Vermilion-Iberia-St. Mary-Lower St. Martin-Tyler-Northern Jasper-Northern Newton- Including the cities of Bundick Lake, Newton, Richard, Holly Springs, Magnolia Springs, Opelousas, Town Bluff, Spurger, Mansura, Kinder, Pickering, Call, Branch, Kaplan, Fort Polk, Jamestown, Effie, Burns Point, New Iberia, Intracoastal City, Reddell, Oakdale, Patterson, Cottonport, Ville Platte, Eunice, St. Martinville, Rayne, Fred, Simmesport, Slagle, Roganville, Berwick, Meaux, Pineville, Bayou Vista, Abbeville, Wiergate, St. Landry, Mamou, Oretta, Fields, Crowley, Burkeville, Marksville, Franklin, Lawtell, Mt. Union, Farrsville, Morgan City, Breaux Bridge, Alexandria, Woodville, Bleakwood, Kirbyville, Warren, Bunkie, Church Point, De Ridder, Forked Island, Ivanhoe, Cade, Jasper, Beaver, Centerville, Hillister, Lafayette, Leesville, and Stephensville 913 PM CDT Tue May 11 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON... ...POTENTIAL FOR SIGNIFICANT FLASH FLOODING... The Flash Flood Watch continues for * Portions of Louisiana and southeast Texas, including the following areas, in Louisiana, Acadia, Allen, Avoyelles, Beauregard, Evangeline, Iberia, Lafayette, Lower St. Martin, Rapides, St. Landry, St. Mary, Upper St. Martin, Vermilion and Vernon. In southeast Texas, Northern Jasper, Northern Newton and Tyler. * Through Wednesday afternoon * Showers and thunderstorms are expected to continue near a stalled front into early Wednesday. Some of the thunderstorms will produce heavy rainfall resulting in 1-3 inches of rainfall with isolated higher amounts possible over the saturated soils from previous rains. 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. The probability for numerous significant flash floods events has increased. There is an increased danger to lives and property due to flash flooding. && $$ Rua
431 WGUS64 KLCH 120846 FFALCH Flood Watch National Weather Service Lake Charles LA 346 AM CDT Wed May 12 2021 LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-121800- /O.CON.KLCH.FF.A.0005.000000T0000Z-210512T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry- Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin- Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-East Cameron- Tyler-Hardin-Jefferson-Orange-Northern Jasper-Northern Newton- Southern Jasper-Southern Newton- Including the cities of Roanoke, Silsbee, Lumberton, Branch, Kaplan, Fort Polk, Burns Point, Burkeville, Oakdale, Eunice, Jennings, Spurger, Fred, Simmesport, Rutherford Beach, Sulphur, Intracoastal City, Mamou, Grand Chenier, Farrsville, Alexandria, Beaumont, Bayou Vista, Lake Arthur, Cade, Warren, Bundick Lake, Newton, Holly Springs, Magnolia Springs, Opelousas, Mansura, Kinder, Orange, Jamestown, Rayne, Slagle, Pineville, Sea Rim State Park, Reddell, Marksville, Lawtell, Hathaway, Vidor, Cameron, Beaver, Hillister, Buna, Topsy, Deweyville, Town Bluff, St. Martinville, Bridge City, Creole, Klondike, Cottonport, Sabine Pass, Meaux, Lake Charles, Abbeville, Oretta, Crowley, Franklin, Mt. Union, Morgan City, Breaux Bridge, Woodville, Bunkie, Church Point, Hackberry, Call, Centerville, Leesville, Richard, Kirbyville, Pickering, Johnson Bayou, Effie, Patterson, Welsh, Ville Platte, Jasper, Grand Lake, New Iberia, Berwick, Roganville, Wiergate, St. Landry, Fields, Lafayette, Gist, Evadale, Bleakwood, De Ridder, Forked Island, Ivanhoe, and Stephensville 346 AM CDT Wed May 12 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... The Flash Flood Watch continues for * Portions of Louisiana and southeast Texas, including the following areas, in Louisiana, Acadia, Allen, Avoyelles, Beauregard, Calcasieu, East Cameron, Evangeline, Iberia, Jefferson Davis, Lafayette, Lower St. Martin, Rapides, St. Landry, St. Mary, Upper St. Martin, Vermilion, Vernon and West Cameron. In southeast Texas, Hardin, Jefferson, Northern Jasper, Northern Newton, Orange, Southern Jasper, Southern Newton and Tyler. * Until 1 PM CDT this afternoon * Showers and thunderstorms overnight have resulted in widespread rainfall totals of 1-4 inches, with up to 4-6 inches in some locations. Upper level support combined with a stalled frontal boundary will result in the potential for further redevelopment through early Wednesday Afternoon. Given the already saturated soils, heavier or repeat thunderstorms will pose the risk for flash flooding. 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. && $$ Warthen
685 WGUS64 KLCH 121752 FFALCH Flood Watch National Weather Service Lake Charles LA 1252 PM CDT Wed May 12 2021 LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-121900- /O.EXP.KLCH.FF.A.0005.000000T0000Z-210512T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry- Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin- Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-East Cameron- Tyler-Hardin-Jefferson-Orange-Northern Jasper-Northern Newton- Southern Jasper-Southern Newton- Including the cities of Roanoke, Silsbee, Lumberton, Branch, Kaplan, Fort Polk, Burns Point, Burkeville, Oakdale, Eunice, Jennings, Spurger, Fred, Simmesport, Rutherford Beach, Sulphur, Intracoastal City, Mamou, Grand Chenier, Farrsville, Alexandria, Beaumont, Bayou Vista, Lake Arthur, Cade, Warren, Bundick Lake, Newton, Holly Springs, Magnolia Springs, Opelousas, Mansura, Kinder, Orange, Jamestown, Rayne, Slagle, Pineville, Sea Rim State Park, Reddell, Marksville, Lawtell, Hathaway, Vidor, Cameron, Beaver, Hillister, Buna, Topsy, Deweyville, Town Bluff, St. Martinville, Bridge City, Creole, Klondike, Cottonport, Sabine Pass, Meaux, Lake Charles, Abbeville, Oretta, Crowley, Franklin, Mt. Union, Morgan City, Breaux Bridge, Woodville, Bunkie, Church Point, Hackberry, Call, Centerville, Leesville, Richard, Kirbyville, Pickering, Johnson Bayou, Effie, Patterson, Welsh, Ville Platte, Jasper, Grand Lake, New Iberia, Berwick, Roganville, Wiergate, St. Landry, Fields, Lafayette, Gist, Evadale, Bleakwood, De Ridder, Forked Island, Ivanhoe, and Stephensville 1252 PM CDT Wed May 12 2021 ...FLASH FLOOD WATCH WILL EXPIRE AT 1 PM CDT THIS AFTERNOON... The Flash Flood Watch for portions of Louisiana and southeast Texas, including the following areas, in Louisiana, Acadia, Allen, Avoyelles, Beauregard, Calcasieu, East Cameron, Evangeline, Iberia, Jefferson Davis, Lafayette, Lower St. Martin, Rapides, St. Landry, St. Mary, Upper St. Martin, Vermilion, Vernon and West Cameron. In southeast Texas, Hardin, Jefferson, Northern Jasper, Northern Newton, Orange, Southern Jasper, Southern Newton and Tyler will expire AT 1 PM CDT this afternoon. The Flood Watch is cancelled. Flash flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ 87
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 9:02 PM CDT | River Flood Warning | LCH | Jasper, Tyler | 21 days |
| May 11, 6:42 AM CDT | Special Weather Statement | LCH | Newton | 33 min |
| May 11, 7:23 AM CDT | Special Weather Statement | LCH | Jasper | 22 min |
| May 11, 7:39 AM CDT | Special Weather Statement | LCH | Hardin | 51 min |
| May 11, 5:58 PM CDT | Severe Thunderstorm Warning | LCH | Jasper, Tyler | 62 min |
| May 11, 6:27 PM CDT | Severe Thunderstorm Warning | LCH | Hardin | 63 min |
| May 11, 6:54 PM CDT | Severe Thunderstorm Warning | LCH | Jasper, Newton, Tyler | 25 min |
| May 10, 9:59 PM CDT | River Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 23 hr |
| May 11, 6:14 AM CDT | Special Weather Statement | LCH | Saint Martin | 16 min |
| May 11, 6:29 AM CDT | Special Weather Statement | LCH | Vernon | 31 min |
| May 11, 6:50 AM CDT | Special Weather Statement | LCH | Vernon | 25 min |
| May 11, 6:55 AM CDT | Severe Thunderstorm Warning | LCH | Rapides, Vernon | 18 min |
| May 11, 7:17 AM CDT | Special Weather Statement | LCH | Acadia | 43 min |
| May 11, 7:22 AM CDT | Special Weather Statement | LCH | Rapides | 23 min |
| May 11, 7:48 AM CDT | Severe Thunderstorm Warning | LCH | Lafayette, Saint Landry | 16 min |
| May 11, 8:04 AM CDT | Special Weather Statement | LCH | Acadia, Lafayette | 41 min |
| May 11, 8:40 AM CDT | Severe Thunderstorm Warning | LCH | Allen, Jefferson Davis | 33 min |
| May 11, 8:52 AM CDT | Flash Flood Warning | LCH | Acadia, Lafayette, Saint Landry, Saint Martin | 3 hr |
| May 11, 10:24 AM CDT | River Flood Watch | LCH | Allen, Evangeline | 25 hr |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Lafayette, Saint Landry, Saint Martin | 4 days |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Lafayette, Saint Martin, Vermilion | 33 days |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Allen, Calcasieu, Jefferson Davis | 18 days |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Allen, Beauregard | 21 days |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Allen, Beauregard | 4 days |
| May 11, 6:43 PM CDT | Special Weather Statement | LCH | Saint Martin | 47 min |
| May 11, 6:57 PM CDT | Tornado Warning | LCH | Iberia, St. Mary | 33 min |
Nearby
Flash Flood Watches in Louisiana, 2021Flash Flood Watches in Texas, 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.