Alert archive / Arkansas / Flash Flood Warnings in 2021
Flash Flood Warning 15, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Jun 7, 2021, 2:22 AM CDT for 4 counties in Arkansas. It was in force for 4 hr. 2 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 7, 2021, 2:22 AM CDT (07:22 UTC)
- Expired
- Jun 7, 2021, 6:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hempstead County, AR, Howard County, AR, Little River County, AR, Sevier County, AR
The radar
The Western Arkansas radar (KSRX), 162 km from the middle of the area, began a volume at 07:24 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 7, 4:00 AM CDT | FLASH FLOOD | 1 N Ozan, AR | HEMPSTEAD COUNTY EMERGENCY MANAGER REPORTS FLOODING IN SEVERAL AREAS ON HEMPSTEAD COUNTY ROAD 333. FLOODING ON THE MIDDLE FORK OZAN CREEK ON HEMPSTEAD COUNTRY ROAD 333 CAUSED A CAR TO STALL ON THE BRIDGE CROSSING THE CREEK. |
| Jun 7, 4:00 AM CDT | FLASH FLOOD | 2 Wsw Ozan, AR | HEMPSTEAD ROAD 1315 CLOSED DUE TO WASHED OUT CULVERT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 7.4 hours before the alert went out and 161 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
- 1039 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted.
526
WGUS54 KSHV 070722
FFWSHV
ARC057-061-081-133-071115-
/O.NEW.KSHV.FF.W.0015.210607T0722Z-210607T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
222 AM CDT Mon Jun 7 2021
The National Weather Service in Shreveport has issued a
* Flash Flood Warning for...
Northern Hempstead County in southwestern Arkansas...
Southeastern Howard County in southwestern Arkansas...
East Central Little River County in southwestern Arkansas...
Southeastern Sevier County in southwestern Arkansas...
* Until 615 AM CDT.
* At 222 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...Doppler radar.
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...
Nashville, Mineral Springs, Blevins, Tollette, Washington, Ben
Lomond, Saratoga, McCaskill, Ozan, Bright Star and Browntown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3386 9415 3401 9382 3401 9375 3399 9370
3397 9368 3397 9365 3397 9364 3397 9363
3396 9362 3396 9359 3396 9357 3395 9355
3374 9354 3372 9411
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 10:18 PM CDT | Special Weather Statement | SHV | Little River, Sevier | 42 min |
| Jun 7, 12:34 AM CDT | Special Weather Statement | SHV | Hempstead | 41 min |
| Jun 7, 3:04 AM CDT | Flash Flood Watch | SHV | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more | 52 hr |
| Jun 7, 3:25 AM CDT | Special Weather Statement | SHV | Nevada | 35 min |
| Jun 7, 4:00 AM CDT | Special Weather Statement | SHV | Howard | 45 min |
| Jun 7, 4:33 AM CDT | Special Weather Statement | SHV | Hempstead | 27 min |
| Jun 7, 3:04 PM CDT | Special Weather Statement | SHV | Columbia, Lafayette | 56 min |
| Jun 7, 3:42 PM CDT | Special Weather Statement | SHV | Nevada | 33 min |
| Jun 7, 3:52 PM CDT | Special Weather Statement | SHV | Columbia, Union | 53 min |
| Jun 7, 4:08 PM CDT | Tornado Warning | SHV | Union | 37 min |
| Jun 7, 4:21 PM CDT | Severe Thunderstorm Warning | SHV | Union | 54 min |
| Jun 7, 4:45 PM CDT | Severe Thunderstorm Warning | SHV | Union | 60 min |
Nearby
Flash Flood Warnings in Arkansas, 2021Every 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; radar from the NEXRAD Level II archive.