Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 22, NWS Little Rock, AR

April 29, 20215 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 29, 2021, 6:01 AM CDT for 5 counties in Arkansas. It was in force for 4 hr. 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: Apr 29, 2021, 6:01 AM CDT (11:01 UTC)
Expired: Apr 29, 2021, 10:00 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, Pike County, AR, Saline County, AR

The radar

The Little Rock radar (KLZK), 112 km from the middle of the area, began a volume at 11:04 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
Apr 29, 8:30 AM CDT	FLASH FLOOD	3 Nne Hot Springs Villa, AR	SOCIAL MEDIA VIDEO OF HIGH WATER MOVING OVER TALLEY CEMETERY RD BRIDGE BETWEEN JESSIEVILLE AND HOT SPRINGS VILLAGE.

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, 11.0 hours before the alert went out and 235 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 976 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1188 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

As transmitted.

538 
WGUS54 KLZK 291101
FFWLZK
ARC051-097-105-109-125-291500-
/O.NEW.KLZK.FF.W.0022.210429T1101Z-210429T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
601 AM CDT Thu Apr 29 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...
  Northwestern Saline County in central Arkansas...
  Northwestern Pike County in southwestern Arkansas...
  Montgomery County in western Arkansas...

* Until 1000 AM CDT.

* At 600 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. With additional rainfall expected across the warned 
  area, flash flooding is likely to occur.

  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...
  Hot Springs Village, Mount Ida, Glenwood, Mountain Pine, Norman, 
  Meyers, Mauldin, Lake Ouachita State Park, Mimosa, Jessieville, 
  Albert Pike Recreation Area, Little Missouri Falls Recreation 
  Area, Avant, Black Springs, Crystal Springs Landing, Silver, 
  Crystal Springs, Fannie, Washita and Hurricane Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Flooding is occurring or is imminent. It is important to know where 
you are relative to streams, rivers, or creeks which can become 
killers in heavy rains. Campers and hikers should avoid streams or 
creeks.

&&

LAT...LON 3456 9393 3470 9345 3475 9331 3481 9324
      3486 9306 3485 9285 3483 9276 3472 9283
      3440 9341 3427 9367 3422 9392 3426 9392
      3427 9394

FLASH FLOOD...RADAR INDICATED

$$

Jones

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 7:24 PM CDT	Special Weather Statement	LZK	Johnson	51 min
Apr 28, 9:17 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	43 min
Apr 28, 9:55 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan	65 min
Apr 28, 10:02 PM CDT	Tornado Warning	LZK	Johnson, Logan, Yell	29 min
Apr 28, 10:29 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott, Yell	46 min
Apr 28, 10:54 PM CDT	Tornado Warning	LZK	Johnson, Logan, Pope	32 min
Apr 28, 11:26 PM CDT	Flash Flood Warning	LZK	Boone, Johnson, Logan, Marion, Newton, Pope and 1 more	7 hr
Apr 28, 11:35 PM CDT	Special Weather Statement	LZK	Johnson	40 min
Apr 29, 12:22 AM CDT	Special Weather Statement	LZK	Pope, Van Buren	53 min
Apr 29, 12:54 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Stone, Van Buren	51 min
Apr 29, 1:09 AM CDT	Special Weather Statement	LZK	Polk	36 min
Apr 29, 1:15 AM CDT	Flash Flood Warning	LZK	Baxter, Marion, Pope, Searcy, Stone, Van Buren	5 hr
Apr 29, 1:19 AM CDT	Severe Thunderstorm Warning	LZK	Polk	43 min
Apr 29, 1:24 AM CDT	Special Weather Statement	LZK	Scott	51 min
Apr 29, 1:59 AM CDT	Flash Flood Warning	LZK	Logan, Scott, Yell	6 hr
Apr 29, 2:08 AM CDT	Special Weather Statement	LZK	Cleburne, Independence, Lawrence	52 min
Apr 29, 2:26 AM CDT	Special Weather Statement	LZK	Garland, Perry, Yell	64 min
Apr 29, 2:59 AM CDT	Special Weather Statement	LZK	Conway, Faulkner	61 min
Apr 29, 3:05 AM CDT	Special Weather Statement	LZK	Jackson	25 min
Apr 29, 3:49 AM CDT	Special Weather Statement	LZK	White, Woodruff	41 min
Apr 29, 4:15 AM CDT	River Flood Warning	LZK	Fulton, Sharp	16 hr
Apr 29, 4:28 AM CDT	Special Weather Statement	LZK	Woodruff	32 min
Apr 29, 4:33 AM CDT	Flash Flood Warning	LZK	Fulton, Izard, Lawrence, Randolph, Sharp	4 hr
Apr 29, 4:35 AM CDT	Flash Flood Warning	LZK	Cleburne, Independence, Stone, Van Buren, White	4 hr
Apr 29, 6:14 AM CDT	Areal Flood Warning	LZK	Baxter, Boone, Johnson, Logan, Marion, Newton and 4 more	6 hr
Apr 29, 7:59 AM CDT	Areal Flood Warning	LZK	Logan, Scott, Yell	6 hr
Apr 29, 8:09 AM CDT	River Flood Warning	LZK	Lawrence, Randolph	34 hr
Apr 29, 8:28 AM CDT	Areal Flood Warning	LZK	Fulton, Izard, Lawrence, Randolph, Sharp	6 hr
Apr 29, 9:36 AM CDT	Flash Flood Warning	LZK	Van Buren	4 hr
Apr 29, 9:50 AM CDT	River Flood Advisory	LZK	Searcy	4 hr
Apr 29, 10:32 AM CDT	River Flood Warning	LZK	Pope, Yell	28 hr
Apr 29, 10:32 AM CDT	River Flood Warning	LZK	Conway, Perry	60 hr
Apr 29, 10:32 AM CDT	River Flood Warning	LZK	Faulkner, Perry	44 hr
Apr 29, 10:32 AM CDT	River Flood Warning	LZK	Jefferson, Lincoln	47 hr
Apr 29, 11:07 AM CDT	Flash Flood Warning	LZK	Conway, Johnson, Pope	3 hr
Apr 29, 1:42 PM CDT	River Flood Warning	LZK	Izard, Stone	27 hr
Apr 29, 1:42 PM CDT	River Flood Warning	LZK	Independence	44 hr
Apr 29, 1:48 PM CDT	River Flood Warning	LZK	Searcy	9 hr
Apr 29, 2:08 PM CDT	River Flood Warning	LZK	Independence, Jackson	5 days
Apr 29, 2:08 PM CDT	River Flood Warning	LZK	Prairie, White, Woodruff	17 days
Apr 29, 2:08 PM CDT	River Flood Warning	LZK	Prairie	26 days

Nearby

Flash Flood Warnings in Arkansas, 2021 Every 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.