Alert archive / Arkansas / Flash Flood Warnings in 2019
Flash Flood Warning 21, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at May 1, 2019, 1:20 AM CDT for 4 counties in 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 1, 2019, 1:20 AM CDT (06:20 UTC)
- Expired
- May 1, 2019, 5:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
Counties Boone County, AR, Johnson County, AR, Marion County, AR, Newton County, AR
The radar
The Western Arkansas radar (KSRX), 127 km from the middle of the area, began a volume at 06:23 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.3 hours before the alert went out and 105 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
- 390 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 893 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.0
The text
As transmitted.
373
WGUS54 KLZK 010620
FFWLZK
ARC009-071-089-101-011015-
/O.NEW.KLZK.FF.W.0021.190501T0620Z-190501T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
120 AM CDT Wed May 1 2019
The National Weather Service in Little Rock has issued a
* Flash Flood Warning for...
Northwestern Johnson County in western Arkansas...
Newton County in north central Arkansas...
Northwestern Marion County in north central Arkansas...
Boone County in north central Arkansas...
* Until 515 AM CDT.
* At 117 AM CDT, Doppler radar indicated showers and thunderstorms
continuing from Peel in Marion County to Harrison and Jasper to
Oark in Johnson County. The radar estimated one to two inches of
rain had fallen in places. Given additional heavy rain, flash
flooding is likely to occur.
* Some locations that will experience flooding include...
Harrison... Jasper...
Diamond City... Bergman...
Western Grove... Lead Hill...
Pyatt... Valley Springs...
Olvey... Erbie...
Upper Buffalo Wilderness Area... Lakeway...
Winington... Clark Hill...
Devils Knob... Lost Valley State Park...
Pruitt... Rosetta...
Myrtle... Self...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
&&
LAT...LON 3650 9256 3559 9345 3553 9370 3577 9370
3577 9352 3588 9353 3597 9345 3605 9345
3612 9338 3612 9330 3622 9330 3650 9305
$$
46The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 12:11 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Montgomery, Polk, Scott | 49 min |
| May 1, 12:50 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Yell | 25 min |
| May 1, 12:59 AM CDT | Special Weather Statement | LZK | Yell | 46 min |
| May 1, 1:02 AM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan | 28 min |
| May 1, 1:12 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott, Yell | 33 min |
| May 1, 1:28 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Johnson, Logan, Perry, Pope, Saline and 1 more | 47 min |
| May 1, 2:15 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Perry, Pope, Van Buren | 45 min |
| May 1, 3:02 AM CDT | Special Weather Statement | LZK | Cleburne, Independence, White | 43 min |
| May 1, 3:49 AM CDT | Flash Flood Watch | LZK | Baxter, Conway, Fulton, Izard, Marion, Pike and 1 more | 36 hr |
| May 1, 8:50 AM CDT | Severe Thunderstorm Warning | LZK | Grant, Jefferson, Lonoke, Pulaski, Saline | 21 min |
| May 1, 9:23 AM CDT | River Flood Warning | LZK | Yell | 4 days |
| May 1, 3:00 PM CDT | River Flood Warning | LZK | Perry | 5 days |
Nearby
Flash Flood Warnings in Arkansas, 2019Every flash flood warning in 2019
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.