Alert archive / Arkansas / Flash Flood Warnings in 2021
Flash Flood Warning 29, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at May 18, 2021, 8:42 PM CDT for Garland County, Montgomery County, Perry County, Arkansas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 18, 2021, 8:42 PM CDT (01:42 UTC)
- Expired
- May 19, 2021, 12:26 AM CDT
- In force
- 4 hr
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
Counties Garland County, AR, Montgomery County, AR, Perry County, AR
The radar
The Little Rock radar (KLZK), 101 km from the middle of the area, began a volume at 01:44 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
Shreveport, LA (KSHV), launched 00:00Z, 1.7 hours before the alert went out and 245 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
- 608 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 863 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
666
WGUS54 KLZK 190142
FFWLZK
ARC051-097-105-190545-
/O.NEW.KLZK.FF.W.0029.210519T0142Z-210519T0540Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
842 PM CDT Tue May 18 2021
The National Weather Service in Little Rock has issued a
* Flash Flood Warning for...
Northwestern Garland County in central Arkansas...
Southwestern Perry County in central Arkansas...
Eastern Montgomery County in western Arkansas...
* Until 1240 AM CDT.
* At 840 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. 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...
Lake Ouachita State Park, Meyers, Avant, Mt Tabor, Crystal Springs
Landing, Crystal Springs, Lena Landing Rec Area, Fannie, Silver,
Hamilton and Hollis.
Heavy rain already fell across portions of the warning area on
Monday which will lead to quicker water rises.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3440 9341 3436 9360 3468 9350 3474 9344
3474 9339 3477 9339 3477 9329 3486 9329
3486 9331 3486 9330 3488 9308 3468 9309
3458 9325 3443 9335
FLASH FLOOD...RADAR INDICATED
$$
Jones1 follow-up statement
460
WGUS74 KLZK 190526
FFSLZK
Flash Flood Statement
National Weather Service Little Rock AR
1226 AM CDT Wed May 19 2021
ARC051-097-105-190536-
/O.CAN.KLZK.FF.W.0029.000000T0000Z-210519T0540Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Garland AR-Montgomery AR-Perry AR-
1226 AM CDT Wed May 19 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN GARLAND,
SOUTHWESTERN PERRY AND EASTERN MONTGOMERY COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flood Watch remains in effect until 700 AM CDT Thursday for
portions of central Arkansas...north central Arkansas...southwest
Arkansas and western Arkansas.
LAT...LON 3440 9341 3436 9360 3468 9350 3474 9344
3474 9339 3477 9339 3477 9329 3486 9329
3486 9331 3486 9330 3488 9308 3468 9309
3458 9325 3443 9335
$$
62The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:07 PM CDT | Special Weather Statement | LZK | Conway, Pope, Saline | 53 min |
| May 18, 7:21 PM CDT | Special Weather Statement | LZK | Clark | 39 min |
| May 18, 7:33 PM CDT | Tornado Warning | LZK | Conway, Faulkner, Perry | 16 min |
| May 18, 8:04 PM CDT | Special Weather Statement | LZK | Pulaski | 41 min |
| May 18, 8:08 PM CDT | Special Weather Statement | LZK | Faulkner | 37 min |
| May 18, 8:22 PM CDT | Special Weather Statement | LZK | Faulkner | 38 min |
| May 18, 8:34 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Pulaski | 20 min |
| May 18, 8:50 PM CDT | Flash Flood Warning | LZK | Faulkner, Pulaski, Van Buren | 5 hr |
| May 18, 8:54 PM CDT | River Flood Advisory | LZK | Prairie, White, Woodruff | 13 hr |
| May 18, 8:56 PM CDT | Flash Flood Warning | LZK | Faulkner, Grant, Pulaski, Saline | 5 hr |
| May 18, 9:25 PM CDT | Flash Flood Warning | LZK | Clark, Dallas, Ouachita | 3 hr |
| May 18, 10:00 PM CDT | Flash Flood Warning | LZK | Cleburne, Faulkner, Lonoke, Pulaski, Van Buren, White | 3 hr |
| May 18, 10:34 PM CDT | Flash Flood Warning | LZK | Calhoun, Dallas, Grant, Ouachita | 4 hr |
| May 18, 10:51 PM CDT | Flash Flood Warning | LZK | Grant, Pulaski, Saline | 118 min |
| May 19, 10:18 AM CDT | River Flood Warning | LZK | Prairie, White, Woodruff | 35 hr |
| May 19, 11:28 AM CDT | Flash Flood Watch | LZK | Clark, Cleburne, Conway, Dallas, Faulkner, Garland and 9 more | 32 hr |
| May 19, 4:43 PM CDT | Flash Flood Warning | LZK | Bradley, Calhoun, Cleveland, Dallas, Grant | 3 hr |
| May 19, 5:34 PM CDT | Flash Flood Warning | LZK | Faulkner, Grant, Perry, Pulaski, Saline | 2 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.