Alert archive / Louisiana / Flash Flood Warnings in 2024
Flash Flood Warning 76, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Jul 26, 2024, 11:00 AM CDT for 4 parishes in Louisiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 26, 2024, 11:00 AM CDT (16:00 UTC)
- Expired
- Jul 26, 2024, 2:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- Unknown
Counties Grant Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Winn Parish, LA
The radar
The Ft Polk radar (KPOE), 76 km from the middle of the area, began a volume at 16:02 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
Jackson, MS (KJAN), launched 12:00Z, 4.0 hours before the alert went out and 272 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
- 117 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Shreveport, LA wrote its last area forecast discussion before this flash flood warning went out at Jul 26, 9:51 AM CDT, 1 hour 9 minutes earlier.
Area forecast discussion, Jul 26, 9:51 AM CDT, 1 hour 9 minutes before
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</html>Hazardous weather outlook, Jul 26, 2:30 AM CDT, 8 hours 30 minutes before
Hazardous Weather Outlook National Weather Service Shreveport LA 230 AM CDT Fri Jul 26 2024 ARZ050-051-059>061-070>073-LAZ001>006-010>014-018>022-OKZ077-TXZ096- 097-108>112-124>126-136>138-150-151-271200- Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette- Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto- Red River-Bienville-Jackson-Ouachita-Natchitoches-Winn-Grant- Caldwell-La Salle-McCurtain-Bowie-Franklin-Titus-Camp-Morris-Cass- Wood-Upshur-Marion-Smith-Gregg-Harrison-Rusk-Panola- 230 AM CDT Fri Jul 26 2024 This Hazardous Weather Outlook is for south central Arkansas, southwest Arkansas, north central Louisiana, northwest Louisiana, southeast Oklahoma and northeast Texas. .DAY ONE...Today and tonight. Scattered to numerous showers and thunderstorms are once again in the forecast today through tonight across the entire Four State Region. Some of this could be heavy at times, especially this morning and into the afternoon hours across portions of the region. While no severe weather is expected, excessive heavy rainfall could result in flash flooding across more flood prone areas. The areas of greatest concern from heavy rainfall should be confined to the southern half of Northeast Texas, Northern Louisiana and far Southern Arkansas. Look for storm coverage to diminish by late this afternoon into this evening, before increasing once again by late tonight. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Scattered to numerous showers and thunderstorms will continue through at least Sunday across portions of the Four State Region. Rain chances should diminish as we transition into the upcoming work week. Decreasing rain chances will result in hotter temperatures with readings by mid to late week returning to the middle and upper 90s. These temperatures when combined with relatively high afternoon humidity will result in afternoon heat indices nearing or exceeding 105 degrees by the middle to later half of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. LAZ017-TXZ149-152-153-165>167-271200- Sabine-Cherokee-Nacogdoches-Shelby-Angelina-San Augustine- 230 AM CDT Fri Jul 26 2024 ...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON... This Hazardous Weather Outlook is for northwest Louisiana, east Texas and northeast Texas. .DAY ONE...Today and tonight. A Flood Watch is in effect through 6 pm this evening. Showers and thunderstorms should become quite numerous today before tapering off late today into tonight. Some of this could be heavy at times, especially this morning and into the afternoon hours. While no severe weather is expected, excessive heavy rainfall could result in flash flooding. The areas of greatest concern from heavy rainfall should be confined to areas near and around the Lower Toledo Bend and Sam Rayburn Country of Deep East Texas into West Central Louisiana. Look for storm coverage to diminish by late this afternoon into this evening. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Scattered to numerous showers and thunderstorms will continue through at least Sunday across portions of the Four State Region. Rain chances should diminish as we transition into the upcoming work week. Decreasing rain chances will result in hotter temperatures with readings by mid to late week returning to the middle and upper 90s. These temperatures when combined with relatively high afternoon humidity will result in afternoon heat indices nearing or exceeding 105 degrees by the middle to later half of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed today across portions of Deep East Texas and North Louisiana for the potential for localized flooding. 13
In the hours before
Local storm report, Jul 26, 8:26 AM CDT, 2 hours 34 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:02 AM CDT | Flood Watch | SHV | Angelina, Cherokee, Nacogdoches, Sabine, San Augustine, Shelby | 16 hr |
| Jul 26, 2:03 AM CDT | Areal Flood Advisory | SHV | Angelina | 117 min |
| Jul 26, 4:05 AM CDT | Areal Flood Advisory | SHV | Angelina, Nacogdoches, Sabine, San Augustine | 115 min |
| Jul 26, 6:03 AM CDT | Areal Flood Advisory | SHV | Angelina, Nacogdoches, Sabine, San Augustine, Shelby | 4 hr |
| Jul 26, 6:05 AM CDT | Flash Flood Warning | SHV | Sabine, San Augustine | 8 hr |
| Jul 26, 6:12 AM CDT | Areal Flood Advisory | SHV | Angelina | 3 hr |
| Jul 26, 6:21 AM CDT | Areal Flood Advisory | SHV | Panola, Shelby | 3 hr |
| Jul 26, 8:18 AM CDT | Flash Flood Warning | SHV | Panola, Shelby | 5 hr |
| Jul 26, 8:20 AM CDT | Flash Flood Warning | SHV | Angelina | 5 hr |
| Jul 26, 8:42 AM CDT | Flash Flood Warning | SHV | Sabine, San Augustine, Shelby | 5 hr |
| Jul 26, 9:45 AM CDT | Flash Flood Warning | SHV | Angelina | 5 hr |
| Jul 26, 11:17 AM CDT | River Flood Warning | SHV | Sabine, San Augustine | 42 hr |
| Jul 26, 11:17 AM CDT | River Flood Warning | SHV | Nacogdoches, Rusk, San Augustine, Shelby | 6 days |
| Jul 26, 5:26 AM CDT | Areal Flood Advisory | SHV | Bossier, Caddo, De Soto | 4 hr |
Nearby
Flash Flood Warnings in Louisiana, 2024Every flash flood warning in 2024
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.