Alert archive / Tennessee / River Flood Warnings in 2020

River Flood Warning 117, NWS Memphis, TN

April 13, 2020Decatur County, Perry County, Tennessee

NWS Memphis, TN issued this river flood warning at Apr 13, 2020, 4:22 AM CDT for Decatur County, Perry County, Tennessee. It took effect at Apr 14, 2020, 6:00 PM CDT. It was in force for 19 days.

The area

The counties it named.

The facts

Issued: Apr 13, 2020, 4:22 AM CDT (09:22 UTC)
In effect from: Apr 14, 2020, 6:00 PM CDT
Expired: May 4, 2020, 4:22 AM CDT
In force: 19 days
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: Moderate

Counties Decatur County, TN, Perry County, TN

The radar

The Ft Campbell radar (KHPX), 139 km from the middle of the area, began a volume at 09:22 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 river

Written for the forecast point Tennessee River at Perryville (PRVT1).

Action stage: 362 ft
Minor stage: 365 ft
Moderate stage: 368 ft
Major stage: 375 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning 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 river flood warning went out at Apr 13, 12:41 AM CDT, 3 hours 41 minutes earlier.

Area forecast discussion, Apr 13, 12:41 AM CDT, 3 hours 41 minutes before

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Hazardous weather outlook, Apr 13, 3:42 AM CDT, 40 minutes before

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In the hours before

Local storm report, Apr 12, 11:47 PM CDT, 4 hours 35 minutes before

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Local storm report, Apr 12, 11:59 PM CDT, 4 hours 23 minutes before

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Local storm report, Apr 13, 12:02 AM CDT, 4 hours 20 minutes before

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Special weather statement, Apr 13, 12:05 AM CDT, 4 hours 17 minutes before

Special Weather Statement
National Weather Service Memphis TN
1205 AM CDT Mon Apr 13 2020

TNZ001>004-019>022-130545-
Carroll TN-Weakley TN-Lake TN-Benton TN-Obion TN-Henry TN-Dyer TN-
Gibson TN-
1205 AM CDT Mon Apr 13 2020

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 1245 AM CDT
FOR...

Carroll County in western Tennessee...
Weakley County in western Tennessee...
Eastern Lake County in western Tennessee...
Benton County in western Tennessee...
Obion County in western Tennessee...
Henry County in western Tennessee...
Northeastern Dyer County in western Tennessee...
Northern Gibson County in western Tennessee...

At 1205 AM CDT...strong thunderstorms producing winds in excess of 40
mph was located along a line extending from near Obion to near
McKenzie to 6 miles north of Parsons. Movement was northeast at 55
mph.

People in Carroll...Weakley...eastern Lake...Benton...Obion...
Henry...northeastern Dyer and northern Gibson Counties should monitor
this storm closely.

LAT...LON 3597 8802 3594 8800 3594 8793 3582 8797
      3581 8803 3585 8806 3582 8831 3628 8955
      3646 8949 3650 8942 3651 8930 3650 8806
      3644 8806 3631 8796 3616 8792
TIME...MOT...LOC 0505Z 222DEG 48KT 3631 8927 3611 8858 3575 8810

MJ

Local storm report, Apr 13, 12:57 AM CDT, 3 hours 25 minutes before

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Local storm report, Apr 13, 1:17 AM CDT, 3 hours 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 8:51 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma	54 min
Apr 12, 9:31 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Panola, Quitman, Tallahatchie, Tate, Tunica	43 min
Apr 12, 9:50 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Lafayette, Marshall, Panola, Quitman, Tallahatchie and 3 more	55 min
Apr 12, 10:13 PM CDT	Severe Thunderstorm Warning	MEG	Benton, Calhoun, Chickasaw, DeSoto, Lafayette, Marshall and 5 more	47 min
Apr 12, 10:39 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Chickasaw, Itawamba, Lee, Marshall and 5 more	53 min
Apr 12, 10:58 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Itawamba, Monroe, Prentiss, Tishomingo	50 min
Apr 13, 12:12 PM CDT	River Flood Advisory	MEG	DeSoto	8 hr
Apr 13, 12:12 PM CDT	River Flood Advisory	MEG	Coahoma, Tunica	8 hr
Apr 13, 6:06 PM CDT	Frost Advisory	MEG	Alcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more	39 hr
Apr 12, 7:06 PM CDT	River Flood Warning	MEG	Crockett, Dyer, Lauderdale	9 days
Apr 12, 9:21 PM CDT	River Flood Warning	MEG	Madison	3 days
Apr 12, 9:50 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	40 min
Apr 12, 10:16 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Lauderdale, Shelby, Tipton	44 min
Apr 12, 10:39 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood, Madison, Tipton	51 min
Apr 12, 11:09 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Decatur, Hardeman, Hardin, Henderson, McNairy and 1 more	66 min
Apr 12, 11:36 PM CDT	Special Weather Statement	MEG	Carroll, Dyer, Gibson	24 min
Apr 13, 12:05 AM CDT	Special Weather Statement	MEG	Benton, Carroll, Henry, Lake, Obion, Weakley	40 min
Apr 13, 1:43 AM CDT	High Wind Warning	MEG	Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more	4 hr
Apr 13, 4:22 AM CDT	River Flood Warning	MEG	Benton, Henry, Houston, Humphreys, Stewart	4 days
Apr 13, 6:06 PM CDT	Freeze Watch	MEG	Benton, Carroll, Chester, Crockett, Decatur, Dyer and 14 more	24 hr
Apr 12, 9:13 PM CDT	Special Weather Statement	MEG	Cross	32 min
Apr 12, 9:25 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Poinsett, St. Francis	50 min

Nearby

River Flood Warnings in Tennessee, 2020 Every river flood warning 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; the gauge from the NWS water service and the USGS.