Alert archive / Arkansas / Flash Flood Warnings in 2021
Flash Flood Warning 36, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at May 19, 2021, 4:43 PM CDT for 5 counties in Arkansas. It was in force for 3 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 19, 2021, 4:43 PM CDT (21:43 UTC)
- Expired
- May 19, 2021, 7:52 PM CDT
- In force
- 3 hr
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bradley County, AR, Calhoun County, AR, Cleveland County, AR, Dallas County, AR, Grant County, AR
The radar
The Little Rock radar (KLZK), 148 km from the middle of the area, began a volume at 21:43 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 12:00Z, 9.7 hours before the alert went out and 178 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
- 243 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 513 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
586
WGUS54 KLZK 192143
FFWLZK
ARC011-013-025-039-053-200145-
/O.NEW.KLZK.FF.W.0036.210519T2143Z-210520T0140Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
443 PM CDT Wed May 19 2021
The National Weather Service in Little Rock has issued a
* Flash Flood Warning for...
Southern Grant County in central Arkansas...
Bradley County in southeastern Arkansas...
Western Cleveland County in southeastern Arkansas...
Eastern Calhoun County in southwestern Arkansas...
Eastern Dallas County in southwestern Arkansas...
* Until 840 PM CDT.
* At 440 PM CDT, Doppler radar indicated a narrow band of showers
and thunderstorms forming from central into southern Arkansas from
just west of Sheridan to Fordyce to east of El Dorado. The radar
estimated that 1 to 2 inches of rain has already fallen in places.
Given additional heavy rain, 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...
Warren, Sheridan, Fordyce, Rison, Hampton, Hermitage, Leola,
Kingsland, Thornton, Carthage, Prattsville, Poyen, Harrell,
Tipton, Ellisville, Marks Mill State Park, Hebron, Weeks, Mt Elba
and Lanark.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3434 9267 3432 9238 3433 9234 3397 9218
3328 9200 3324 9209 3321 9208 3321 9213
3315 9214 3315 9217 3321 9218 3321 9222
3325 9223 3326 9229 3328 9230 3326 9232
3328 9236 3329 9236 3328 9240 3379 9256
FLASH FLOOD...RADAR INDICATED
$$
462 follow-up statements
418
WGUS74 KLZK 192347
FFSLZK
Flash Flood Statement
National Weather Service Little Rock AR
647 PM CDT Wed May 19 2021
ARC011-013-025-039-053-200145-
/O.CON.KLZK.FF.W.0036.000000T0000Z-210520T0140Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bradley AR-Calhoun AR-Cleveland AR-Dallas AR-Grant AR-
647 PM CDT Wed May 19 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 840 PM CDT THIS
EVENING FOR SOUTHERN GRANT, BRADLEY, WESTERN CLEVELAND, EASTERN
CALHOUN AND EASTERN DALLAS COUNTIES...
At 640 PM CDT, Doppler radar indicated showers becoming more
scattered with time in the warned area. Any thunderstorms were
isolated. The radar estimated one and a half to three inches of rain
from Prattsville in Grant County to Farindale in Dallas County to
New Edinburg in Cleveland County. If there is any flash flooding in
these areas, it will take awhile for high water to runoff.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Warren, Sheridan, Fordyce, Rison, Hampton, Hermitage, Leola,
Kingsland, Thornton, Carthage, Prattsville, Poyen, Harrell,
Tipton, Ellisville, Marks Mill State Park, Hebron, Weeks, Mt Elba
and Lanark.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3434 9267 3432 9238 3433 9234 3397 9218
3328 9200 3324 9209 3321 9208 3321 9213
3315 9214 3315 9217 3321 9218 3321 9222
3325 9223 3326 9229 3328 9230 3326 9232
3328 9236 3329 9236 3328 9240 3379 9256
FLASH FLOOD...RADAR INDICATED
$$
46964
WGUS74 KLZK 200052
FFSLZK
Flash Flood Statement
National Weather Service Little Rock AR
752 PM CDT Wed May 19 2021
ARC011-013-025-039-053-200102-
/O.CAN.KLZK.FF.W.0036.000000T0000Z-210520T0140Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bradley AR-Calhoun AR-Cleveland AR-Dallas AR-Grant AR-
752 PM CDT Wed May 19 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN GRANT, BRADLEY,
WESTERN CLEVELAND, EASTERN CALHOUN AND EASTERN DALLAS COUNTIES...
Rain has become more scattered this evening, and heavy rain is less
concentrated. While there may be hit and miss heavy downpours,
additional flash flooding is not expected.
A Flash Flood Watch remains in effect until 700 PM CDT Thursday from
southwest into central Arkansas.
LAT...LON 3434 9267 3432 9238 3433 9234 3397 9218
3328 9200 3324 9209 3321 9208 3321 9213
3315 9214 3315 9217 3321 9218 3321 9222
3325 9223 3326 9229 3328 9230 3326 9232
3328 9236 3329 9236 3328 9240 3379 9256
$$
46The 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, 8:42 PM CDT | Flash Flood Warning | LZK | Garland, Montgomery, Perry | 4 hr |
| 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, 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.