Alert archive / Arkansas / Flash Flood Warnings in 2021
Flash Flood Warning 56, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at Jun 6, 2021, 6:24 PM CDT for Jefferson County, Lonoke County, Arkansas. It was in force for 98 min. 1 report 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 6, 2021, 6:24 PM CDT (23:24 UTC)
- Expired
- Jun 6, 2021, 8:02 PM CDT
- In force
- 98 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jefferson County, AR, Lonoke County, AR
The radar
The Little Rock radar (KLZK), 69 km from the middle of the area, began a volume at 23:28 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 6, 7:30 PM CDT | HEAVY RAIN 2.4 | 1 Nw Rob Roy, AR | 2.40 INCHES OF RAIN FELL IN ONE HOUR AT SANDERS LOCK AND DAM ON THE ARKANSAS RIVER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.4 hours before the alert went out and 181 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
- 343 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
725
WGUS54 KLZK 062324
FFWLZK
ARC069-085-070130-
/O.NEW.KLZK.FF.W.0056.210606T2324Z-210607T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
624 PM CDT Sun Jun 6 2021
The National Weather Service in Little Rock has issued a
* Flash Flood Warning for...
Southeastern Lonoke County in central Arkansas...
Central Jefferson County in southeastern Arkansas...
* Until 830 PM CDT.
* At 622 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Radar was estimating between
two and four inches of rain have fallen. Flash flooding is likely
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...
Pine Bluff, Altheimer, Humphrey, Humnoke, Madding, Cottondale,
Richardson, Linwood, Wabbaseka, Allport, Coy, Sherrill, Rob Roy,
Gethsemane, Cornerstone, Glenlake, Tucker, Ferda, Tomberlin and
Moscow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3458 9194 3457 9166 3447 9168 3447 9171
3426 9171 3409 9175 3409 9195 3408 9195
3407 9202
FLASH FLOOD...RADAR INDICATED
$$
571 follow-up statement
419
WGUS74 KLZK 070102
FFSLZK
Flash Flood Statement
National Weather Service Little Rock AR
802 PM CDT Sun Jun 6 2021
ARC069-085-070112-
/O.CAN.KLZK.FF.W.0056.000000T0000Z-210607T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson AR-Lonoke AR-
802 PM CDT Sun Jun 6 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN LONOKE AND
CENTRAL JEFFERSON COUNTIES...
The heavy rain has ended. However, runoff issues could still
continue for a few hours. Please continue to heed any road closures.
LAT...LON 3458 9194 3457 9166 3447 9168 3447 9171
3426 9171 3409 9175 3409 9195 3408 9195
3407 9202
$$
57The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 4:12 AM CDT | Flash Flood Warning | LZK | Polk, Scott | 4 hr |
| Jun 6, 6:05 AM CDT | Flash Flood Warning | LZK | Montgomery, Pike, Polk | 3 hr |
| Jun 6, 6:51 AM CDT | Flash Flood Warning | LZK | Johnson, Logan, Yell | 3 hr |
| Jun 6, 2:59 PM CDT | Special Weather Statement | LZK | Polk | 46 min |
| Jun 6, 5:59 PM CDT | Special Weather Statement | LZK | Pulaski | 46 min |
| Jun 6, 6:14 PM CDT | Flash Flood Warning | LZK | Pulaski, Saline | 113 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.