Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 58, NWS Memphis, TN

June 9, 20217 counties in Mississippi; Lee County, Phillips County, Arkansas

NWS Memphis, TN issued this flash flood warning at Jun 9, 2021, 12:12 PM CDT for 7 counties in Mississippi; Lee County, Phillips County, Arkansas. It was in force for 3 hr. 3 reports 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 9, 2021, 12:12 PM CDT (17:12 UTC)
Expired: Jun 9, 2021, 3:15 PM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Lee County, AR, Phillips County, AR, Coahoma County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Yalobusha County, MS

The radar

The Memphis radar (KNQA), 141 km from the middle of the area, began a volume at 17:12 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 9, 1:23 PM CDT	FLASH FLOOD	3 Nne Lake View, AR	IMPASSABLE ROADWAY DUE TO FLASH FLOODING NEAR THE INTERSECTION OF CR 318 AND HWY 85.
Jun 9, 2:45 PM CDT	FLASH FLOOD	2 S Como, MS	WATER COVERING HIGHWAY 51 JUST SOUTH OF COMO.
Jun 9, 2:45 PM CDT	FLASH FLOOD	4 E Tillatoba, MS	STATE ROUTE 330 NEAR TILLATOBA LAKE IS FLOODED.

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, 5.2 hours before the alert went out and 86 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: 1290 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 533 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

645 
WGUS54 KMEG 091712
FFWMEG
ARC077-107-MSC027-107-119-135-137-143-161-092015-
/O.NEW.KMEG.FF.W.0058.210609T1712Z-210609T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1212 PM CDT Wed Jun 9 2021

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Southern Lee County in eastern Arkansas...
  Phillips County in eastern Arkansas...
  Coahoma County in northwestern Mississippi...
  Panola County in northwestern Mississippi...
  Quitman County in northwestern Mississippi...
  Tallahatchie County in northwestern Mississippi...
  Tate County in northwestern Mississippi...
  Tunica County in northwestern Mississippi...
  Yalobusha County in northwestern Mississippi...

* Until 315 PM CDT.

* At 1212 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Additional rainfall on already 
  saturated soils will result in more flooding. Flash flooding is 
  ongoing or expected to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Clarksdale, Senatobia, Batesville, Water Valley, Charleston, 
  Marvell, Elaine, George Payne State Park, Helena-West Helena, St 
  Francis National Park, John W Kyle State Park, White River 
  National Wildlife Refuge, Tutwiler, Marks, Sardis, Coldwater, 
  Lambert, Jonestown, Como and Friars Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3465 9105 3465 9059 3473 9057 3469 8967
      3419 8972 3419 8951 3387 8951 3390 8993
      3382 8993 3370 9030 3372 9031 3378 9017
      3379 9017 3381 9045 3399 9045 3399 9066
      3412 9066 3412 9112 3434 9106 3434 9100

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

MGW

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 7:08 PM CDT	Special Weather Statement	MEG	Chickasaw, Lee, Monroe	37 min
Jun 8, 7:12 PM CDT	Areal Flood Advisory	MEG	Calhoun, Chickasaw, Pontotoc	3 hr
Jun 8, 7:47 PM CDT	Special Weather Statement	MEG	Itawamba, Monroe	28 min
Jun 8, 8:15 PM CDT	Special Weather Statement	MEG	Itawamba	30 min
Jun 8, 9:20 PM CDT	Areal Flood Advisory	MEG	DeSoto, Tunica	3 hr
Jun 8, 10:58 PM CDT	Flash Flood Warning	MEG	Coahoma, Panola, Quitman, Tallahatchie, Tunica	11 hr
Jun 8, 11:00 PM CDT	Flash Flood Warning	MEG	Calhoun, Lafayette, Pontotoc, Union, Yalobusha	11 hr
Jun 8, 11:05 PM CDT	Flash Flood Warning	MEG	Benton, Marshall, Tate, Tippah	3 hr
Jun 9, 1:28 AM CDT	Areal Flood Warning	MEG	Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc and 3 more	38 min
Jun 9, 1:53 AM CDT	Areal Flood Advisory	MEG	DeSoto, Marshall, Tate, Tunica	4 hr
Jun 9, 2:04 AM CDT	Areal Flood Advisory	MEG	Benton, Lafayette, Marshall, Tate, Tippah, Union	4 hr
Jun 9, 2:06 AM CDT	Flash Flood Warning	MEG	Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc and 2 more	7 hr
Jun 9, 5:00 AM CDT	River Flood Warning	MEG	Lee	21 days
Jun 9, 5:06 AM CDT	River Flood Warning	MEG	Calhoun	15 hr
Jun 9, 5:11 AM CDT	Areal Flood Warning	MEG	Benton, Coahoma, DeSoto, Lafayette, Marshall, Panola and 2 more	99 min
Jun 9, 5:22 AM CDT	River Flood Warning	MEG	Tate, Tunica	44 hr
Jun 9, 5:37 AM CDT	River Flood Warning	MEG	Calhoun	13 hr
Jun 9, 6:50 AM CDT	Flash Flood Warning	MEG	DeSoto, Lafayette, Marshall, Panola, Tate, Tunica	3 hr
Jun 9, 6:56 AM CDT	Areal Flood Advisory	MEG	Alcorn, Benton, Marshall, Prentiss, Tippah, Union	3 hr
Jun 9, 7:44 AM CDT	Areal Flood Advisory	MEG	Alcorn, Lee, Prentiss, Tishomingo	2 hr
Jun 9, 8:58 AM CDT	Flash Flood Warning	MEG	Lafayette, Lee, Pontotoc, Union	5 hr
Jun 9, 9:21 AM CDT	Flash Flood Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tate, Tunica	3 hr
Jun 9, 11:04 AM CDT	Areal Flood Advisory	MEG	Lafayette, Marshall	3 hr
Jun 9, 11:08 AM CDT	Special Weather Statement	MEG	Union	37 min
Jun 9, 11:53 AM CDT	Special Weather Statement	MEG	Lee	37 min
Jun 9, 12:39 PM CDT	Special Weather Statement	MEG	Calhoun	36 min
Jun 9, 1:27 PM CDT	Special Weather Statement	MEG	Chickasaw	33 min
Jun 9, 2:03 PM CDT	Areal Flood Advisory	MEG	Calhoun, Lafayette, Lee, Pontotoc, Union, Yalobusha	3 hr
Jun 9, 2:14 PM CDT	Special Weather Statement	MEG	Monroe	31 min
Jun 9, 3:04 PM CDT	Flash Flood Warning	MEG	Lafayette	9 min
Jun 9, 3:10 PM CDT	Areal Flood Advisory	MEG	Coahoma, Panola, Quitman, Tallahatchie, Tate, Tunica and 1 more	3 hr
Jun 9, 3:15 PM CDT	Flash Flood Warning	MEG	Lafayette	6 hr
Jun 9, 5:50 AM CDT	Areal Flood Advisory	MEG	Crittenden	2 hr

Nearby

Flash Flood Warnings in Mississippi, 2021 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.