Alert archive / Missouri / Flash Flood Warnings in 2021
Flash Flood Warning 87, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Oct 25, 2021, 1:18 AM CDT for Clay County, Arkansas; Dunklin County, Pemiscot County, Missouri. It was in force for 2 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
- Oct 25, 2021, 1:18 AM CDT (06:18 UTC)
- Expired
- Oct 25, 2021, 3:35 AM CDT
- In force
- 2 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, AR, Dunklin County, MO, Pemiscot County, MO
The radar
The Memphis radar (KNQA), 123 km from the middle of the area, began a volume at 06:19 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 |
|---|---|---|---|
| Oct 25, 2:00 AM CDT | FLASH FLOOD | 3 Ne Rector, AR | WATER OVER ROADWAY ON HIGHWAY 49 BETWEEN RECTOR AND GREENWAY. |
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 00:00Z, 6.3 hours before the alert went out and 179 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
- 1375 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1184 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 10.9
The text
As transmitted.
870
WGUS54 KMEG 250618
FFWMEG
ARC021-MOC069-155-250930-
/O.NEW.KMEG.FF.W.0087.211025T0618Z-211025T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
118 AM CDT Mon Oct 25 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Eastern Clay County in eastern Arkansas...
Northeastern Dunklin County in southeastern Missouri...
Northwestern Pemiscot County in southeastern Missouri...
* Until 430 AM CDT.
* At 118 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Piggott, Campbell, Rector, Chalk Bluff Natural Area, Clarkton,
Holcomb, Wardell, St. Francis, Pollard, Greenway, McDougal, Saint
Francis, Crockett, Nimmons, Rhyne, Carryville, Bell City, Pratt,
Lorine and Hickoria.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3626 9053 3650 9049 3650 9022 3654 9021
3655 9019 3657 9018 3658 8996 3646 8996
3639 8997 3639 8976 3633 8976 3626 9035
FLASH FLOOD...RADAR INDICATED
$$
SWB3 follow-up statements
879
WGUS74 KMEG 250639
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
139 AM CDT Mon Oct 25 2021
ARC021-MOC069-155-250930-
/O.CON.KMEG.FF.W.0087.000000T0000Z-211025T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay AR-Dunklin MO-Pemiscot MO-
139 AM CDT Mon Oct 25 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CDT EARLY THIS
MORNING FOR EASTERN CLAY, NORTHEASTERN DUNKLIN AND NORTHWESTERN
PEMISCOT COUNTIES...
At 139 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 3 inches of rain have
fallen. Additional rainfall amounts of 1 to 3 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Piggott, Campbell, Rector, Chalk Bluff Natural Area, Clarkton,
Holcomb, Wardell, St. Francis, Pollard, Greenway, McDougal, Saint
Francis, Crockett, Nimmons, Rhyne, Carryville, Bell City, Pratt,
Lorine and Hickoria.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3626 9053 3650 9049 3650 9022 3654 9021
3655 9019 3657 9018 3658 8996 3646 8996
3639 8997 3639 8976 3633 8976 3626 9035
FLASH FLOOD...RADAR INDICATED
$$
SWB392
WGUS74 KMEG 250757
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
257 AM CDT Mon Oct 25 2021
ARC021-MOC069-155-250930-
/O.CON.KMEG.FF.W.0087.000000T0000Z-211025T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay AR-Dunklin MO-Pemiscot MO-
257 AM CDT Mon Oct 25 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CDT EARLY THIS
MORNING FOR NORTHEASTERN CLAY, EAST CENTRAL DUNKLIN AND NORTHWESTERN
PEMISCOT COUNTIES...
At 257 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 3 inches of rain have
fallen. Additional rainfall amounts up to 1 inch are possible in the
warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Piggott, Clarkton, Holcomb, Wardell, St. Francis, Pollard,
Greenway, McDougal, Saint Francis, Crockett, Nimmons, Rhyne,
Carryville, Pratt, Lorine, Hickoria, Tipperary, North Wardell,
White Oak and Homestown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3630 9050 3645 9049 3646 8996 3639 8997
3639 8976 3633 8976 3628 9035
FLASH FLOOD...RADAR INDICATED
$$
SWB213
WGUS74 KMEG 250835
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
335 AM CDT Mon Oct 25 2021
ARC021-MOC069-155-250845-
/O.CAN.KMEG.FF.W.0087.000000T0000Z-211025T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay AR-Dunklin MO-Pemiscot MO-
335 AM CDT Mon Oct 25 2021
...FLASH FLOOD WARNING FOR NORTHEASTERN CLAY, EAST CENTRAL DUNKLIN
AND NORTHWESTERN PEMISCOT COUNTIES HAS BEEN REPLACED WITH A FLOOD
ADVISORY...
LAT...LON 3630 9050 3645 9049 3646 8996 3639 8997
3639 8976 3633 8976 3628 9035
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 11:44 PM CDT | Special Weather Statement | MEG | Clay | 31 min |
| Oct 25, 12:05 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 40 min |
| Oct 25, 12:48 AM CDT | Special Weather Statement | MEG | Dunklin, Pemiscot | 42 min |
Nearby
Flash Flood Warnings in Missouri, 2021Flash 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.