Alert archive / Mississippi / Flash Flood Watches in 2020

Flash Flood Watch 9, NWS Memphis, TN

September 13, 20208 counties in Mississippi; 8 counties in Tennessee

NWS Memphis, TN issued this flash flood watch at Sep 13, 2020, 3:48 AM CDT for 8 counties in Mississippi; 8 counties in Tennessee. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Sep 13, 2020, 3:48 AM CDT (08:48 UTC)
Expired
Sep 13, 2020, 3:00 PM CDT
In force
11 hr
Issued by
NWS Memphis, TN
Flood severity
None

Counties Alcorn County, MS, Benton County, MS, Lafayette County, MS, Marshall County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Chester County, TN, Decatur County, TN, Fayette County, TN, Hardeman County, TN, Hardin County, TN, Henderson County, TN, Madison County, TN, McNairy County, TN

The radar

The Memphis radar (KNQA), 105 km from the middle of the area, began a volume at 08:50 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 forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this flash flood watch went out at Sep 13, 12:05 AM CDT, 3 hours 43 minutes earlier.

Area forecast discussion, Sep 13, 12:05 AM CDT, 3 hours 43 minutes before
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Hazardous weather outlook, Sep 12, 3:19 PM CDT, 12 hours 29 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Memphis TN
319 PM CDT Sat Sep 12 2020

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-132230-
Alcorn-Benton MS-Benton TN-Calhoun-Carroll-Chester-Chickasaw-Clay-
Coahoma-Craighead-Crittenden-Crockett-Cross-DeSoto-Decatur-
Dunklin-Dyer-Fayette-Gibson-Greene-Hardeman-Hardin-Haywood-
Henderson-Henry-Itawamba-Lafayette-Lake-Lauderdale-Lee AR-Lee MS-
Madison-Marshall-McNairy-Mississippi-Monroe-Obion-Panola-Pemiscot-
Phillips-Poinsett-Pontotoc-Prentiss-Quitman-Shelby-St. Francis-
Tallahatchie-Tate-Tippah-Tipton-Tishomingo-Tunica-Union-Weakley-
Yalobusha-
319 PM CDT Sat Sep 12 2020

This hazardous weather outlook is for portions of East Arkansas...
the Missouri Bootheel...North Mississippi...and West Tennessee.

.DAY ONE...This Afternoon and Tonight

Showers and thunderstorms may produce locally heavy rainfall
through late evening. This may result in minor flooding of low-
lying and poor drainage areas.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

The potential for locally heavy rainfall will continue along and
ahead of a cold front, mainly affecting areas south of Interstate
40.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

PWB

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 7:15 PM CDTAreal Flood AdvisoryMEGCalhoun, Chickasaw3 hr
Sep 13, 2:59 AM CDTDense Fog AdvisoryMEGBenton, DeSoto, Marshall, Tate, Tunica6 hr
Sep 13, 9:22 AM CDTAreal Flood AdvisoryMEGAlcorn, Pontotoc, Prentiss, Tippah, Union2 hr
Sep 13, 9:34 AM CDTFlash Flood WarningMEGAlcorn, Pontotoc, Prentiss, Tippah, Union3 hr
Sep 13, 9:38 AM CDTAreal Flood AdvisoryMEGAlcorn, Prentiss, Tishomingo112 min
Sep 13, 11:13 AM CDTFlash Flood WarningMEGAlcorn, Prentiss, Tishomingo3 hr
Sep 13, 12:08 PM CDTAreal Flood AdvisoryMEGAlcorn, Tippah, Union105 min
Sep 13, 12:47 PM CDTAreal Flood AdvisoryMEGAlcorn, Prentiss, Tippah, Union66 min
Sep 13, 6:31 AM CDTAreal Flood AdvisoryMEGDecatur, Hardin, Henderson3 hr

Nearby

Flash Flood Watches in Mississippi, 2020Flash Flood Watches in Tennessee, 2020Every flash flood watch in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.