Alert archive / Arkansas / Flash Flood Warnings in 2021
Flash Flood Warning 21, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Mar 27, 2021, 7:10 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
- Mar 27, 2021, 7:10 PM CDT (00:10 UTC)
- Expired
- Mar 27, 2021, 10:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crittenden County, AR, Cross County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis County, AR
The radar
The Memphis radar (KNQA), 67 km from the middle of the area, began a volume at 00:13 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
Little Rock, AR (KLZK), launched 00:00Z, 0.2 hours before the alert went out and 88 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
- 894 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1261 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 8.7
The text
As transmitted.
469
WGUS54 KMEG 280010
FFWMEG
ARC035-037-093-111-123-280315-
/O.NEW.KMEG.FF.W.0021.210328T0010Z-210328T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
710 PM CDT Sat Mar 27 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Northwestern Crittenden County in eastern Arkansas...
Cross County in eastern Arkansas...
Southwestern Mississippi County in eastern Arkansas...
Southeastern Poinsett County in eastern Arkansas...
Northwestern St. Francis County in eastern Arkansas...
* Until 1015 PM CDT.
* At 710 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. Flash flooding is 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...
Wynne, Marked Tree, Earle, Lepanto, Parkin, Tyronza, Keiser,
Cherry Valley, Joiner, Dyess, Colt, Hickory Ridge, Gilmore,
Bassett, Marie, Vanndale, Fair Oaks, Turrell, Etowah and Birdsong.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3539 9104 3577 9011 3549 9006 3532 9039
3504 9104
FLASH FLOOD...RADAR INDICATED
$$
PWB1 follow-up statement
077
WGUS74 KMEG 280306
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
1006 PM CDT Sat Mar 27 2021
ARC111-280316-
/O.CAN.KMEG.FF.W.0021.000000T0000Z-210328T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Poinsett AR-
1006 PM CDT Sat Mar 27 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN POINSETT
COUNTY...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flash Flood Watch remains in effect until 700 AM CDT Sunday for
portions of East Arkansas...North Mississippi...Southeast Missouri
and West Tennessee.
LAT...LON 3539 9104 3544 9091 3544 9029 3570 9029
3577 9011 3549 9006 3532 9039 3504 9104
$$
ARC035-037-093-123-280316-
/O.EXP.KMEG.FF.W.0021.000000T0000Z-210328T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Crittenden AR-Cross AR-Mississippi AR-St. Francis AR-
1006 PM CDT Sat Mar 27 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 1015 PM CDT THIS EVENING FOR
NORTHWESTERN CRITTENDEN, CROSS, SOUTHWESTERN MISSISSIPPI AND
NORTHWESTERN ST. FRANCIS COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 700 AM CDT Sunday for
portions of East Arkansas...North Mississippi...Southeast Missouri
and West Tennessee.
LAT...LON 3539 9104 3544 9091 3544 9029 3570 9029
3577 9011 3549 9006 3532 9039 3504 9104
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 7:03 PM CDT | Tornado Warning | MEG | Crittenden, Mississippi, Poinsett | 42 min |
| Mar 27, 7:08 PM CDT | Tornado Warning | MEG | Cross, St. Francis | 52 min |
| Mar 27, 7:17 PM CDT | Tornado Warning | MEG | Lee, Phillips | 43 min |
| Mar 27, 7:39 PM CDT | Tornado Warning | MEG | Crittenden, Cross, Poinsett | 51 min |
| Mar 27, 7:50 PM CDT | Tornado Warning | MEG | Crittenden, Lee, St. Francis | 40 min |
| Mar 27, 8:07 PM CDT | Tornado Warning | MEG | Crittenden, Mississippi, Poinsett | 38 min |
| Mar 27, 8:26 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden, St. Francis | 11 min |
| Mar 27, 8:39 PM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 34 min |
| Mar 27, 8:50 PM CDT | Special Weather Statement | MEG | Phillips | 25 min |
| Mar 27, 9:09 PM CDT | Areal Flood Advisory | MEG | Crittenden | 3 hr |
| Mar 27, 9:12 PM CDT | Severe Thunderstorm Warning | MEG | Phillips | 48 min |
| Mar 27, 9:35 PM CDT | Tornado Warning | MEG | Phillips | 40 min |
| Mar 27, 9:37 PM CDT | Tornado Warning | MEG | Phillips | 53 min |
| Mar 27, 9:49 PM CDT | Tornado Warning | MEG | Phillips | 31 min |
| Mar 27, 9:53 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden | 52 min |
| Mar 27, 11:23 PM CDT | Flash Flood Warning | MEG | Phillips | 4 hr |
| Mar 28, 11:45 AM CDT | River Flood Advisory | MEG | Lee, Phillips | 24 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.