Alert archive / Texas / Flash Flood Warnings in 2026
Flash Flood Warning 21, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Jun 15, 2026, 11:19 AM CDT for 5 counties in Texas. It was in force for 3 hr. 4 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
- Jun 15, 2026, 11:19 AM CDT (16:19 UTC)
- Expired
- Jun 15, 2026, 2:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Gregg County, TX, Harrison County, TX, Panola County, TX, Rusk County, TX, Shelby County, TX
The radar
The Shreveport radar (KSHV), 62 km from the middle of the area, began a volume at 16:23 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 12:02 PM CDT | FLASH FLOOD | 1 N Marshall, TX | Vehicles submerged with water rescues going on along Highway 59 and Houston Street. |
| Jun 15, 12:23 PM CDT | FLASH FLOOD | 1 Nnw Marshall, TX | Parker Creek flooded near grocery stores. Also the intersection of Highways 59 and 80 is flooded by approximately 10 inches of water over the roadway. |
| Jun 15, 12:54 PM CDT | FLASH FLOOD | Marshall, TX | Several water rescues reported and one house reported flooded in Marshall. |
| Jun 15, 12:56 PM CDT | RAIN 5.11 | 1 Nw Marshall, TX | Measured in Downtown Marshall. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 4.3 hours before the alert went out and 227 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
- 1931 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
019
WGUS54 KSHV 151619
FFWSHV
TXC183-203-365-401-419-151915-
/O.NEW.KSHV.FF.W.0021.260615T1619Z-260615T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
1119 AM CDT Mon Jun 15 2026
The National Weather Service in Shreveport has issued a
* Flash Flood Warning for...
Northern Shelby County in eastern Texas...
Southeastern Gregg County in northeastern Texas...
Harrison County in northeastern Texas...
Panola County in northeastern Texas...
Rusk County in northeastern Texas...
* Until 215 PM CDT.
* At 1119 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Longview, Marshall, Henderson, Carthage, Hallsville, Waskom, Tatum,
Tenaha, Timpson, Beckville, Joaquin, Pinehill, Deberry, Elysian
Fields, Minden, Woodlawn, Harleton and Lakeport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3184 9493 3271 9464 3265 9404 3199 9404
3199 9402 3192 9397 3192 9396 3191 9395
3191 9393 3189 9393 3190 9390 3187 9390
3187 9389 3178 9443 3180 9442 3184 9445
FLASH FLOOD...RADAR INDICATED
$$
20The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 9:21 PM CDT | Flood Watch | SHV | Angelina, Cherokee, Gregg, Harrison, Marion, Nacogdoches and 6 more | 4 days |
| Jun 15, 6:26 AM CDT | Areal Flood Advisory | SHV | Sabine, Shelby | 3 hr |
| Jun 15, 10:14 AM CDT | Flash Flood Warning | SHV | Nacogdoches | 4 hr |
| Jun 15, 10:39 AM CDT | Flash Flood Warning | SHV | Sabine, San Augustine, Shelby | 3 hr |
| Jun 15, 12:05 PM CDT | Flash Flood Warning | SHV | Harrison | 3 hr |
| Jun 15, 12:48 PM CDT | Flash Flood Warning | SHV | Gregg, Harrison, Marion, Upshur | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2026Every flash flood warning in 2026
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; radar from the NEXRAD Level II archive.