Alert archive / Tennessee / River Flood Warnings in 2019

River Flood Warning 82, NWS Memphis, TN

February 23, 2019Lauderdale County, Tipton County, Tennessee

NWS Memphis, TN issued this river flood warning at Feb 23, 2019, 8:21 PM CST for Lauderdale County, Tipton County, Tennessee. It took effect at Feb 27, 2019, 4:00 AM CST. It was in force for 64 hr.

The area

The counties it named.

The facts

Issued: Feb 23, 2019, 8:21 PM CST (02:21 UTC)
In effect from: Feb 27, 2019, 4:00 AM CST
Expired: Mar 1, 2019, 7:32 PM CST
In force: 64 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: Minor

Counties Lauderdale County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 35 km from the middle of the area, began a volume at 02:24 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 Hatchie River at Rialto (RLTT1). The gauge peaked at 20.59 ft at Feb 28, 2019, 9:00 AM CST.

Action stage: 12 ft
Minor stage: 20 ft
Moderate stage: 24 ft
Major stage: 27 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07030050, 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 Feb 23, 5:40 PM CST, 2 hours 41 minutes earlier.

Area forecast discussion, Feb 23, 5:40 PM CST, 2 hours 41 minutes before

Area Forecast Discussion
National Weather Service Memphis TN
540 PM CST Sat Feb 23 2019

.UPDATE...
See the 00z aviation discussion.

&&

.PREV DISCUSSION... /issued 248 PM CST Sat Feb 23 2019/

DISCUSSION...
Focus remains over north Mississippi and adjacent west Tennessee.
Thunderstorms have struggled to reach severe levels early this
afternoon despite rather impressive CAPE for late February. Water
vapor shows shortwave "spoke" rotating north away from the region
as it tracks quickly toward the Great Lakes. CAMs appear to
respond with dramatic weakening of CAPE from mid-afternoon onward.
Still the threat remains at this time for severe weather as the
surface trough moves across the area this afternoon into early
evening.

Meanwhile, flash flooding remains a threat along and ahead of the
surface trough. Will peal back on the Flash Flood Watch to the
west. Also, gradient wind threat remains ahead and behind the
surface trough and with such wet soils there is a risk for tree
fall in 25Kt winds or greater. Will keep the advisory in place.

Weather pattern change with the exit of the strong shortwave into
the Great Lakes region on Sunday. Upper ridge over the Caribbean
breaks down and the western US trough evolves into move zonal
flow across the country. This is important as the pattern that
brought the abundant rainfall over much of February ends. For the
upcoming week more seasonal temperatures are expected as weak
fronts move through from mid-week into the weekend. These systems
are not expected to produce heavy rainfall.

&&

.AVIATION...
/00z TAFs/

Showers and thunderstorms will end from west to east this evening
with TUP/MKL being the only terminals that may be affected.
Otherwise, expected breezy southwest winds overnight shifting from
the west-northwest late tonight as a cold front moves through the
area. Northwest winds will continue through tomorrow, eventually
weakening by late afternoon. A cloud deck around 2500-3000 ft is
expected to move across the norther reaches of the area overnight
and could provide a brief MVFR ceiling. However, TAFs contain
prevailing VFR conditions at this time.

Johnson

&&

.MEG WATCHES/WARNINGS/ADVISORIES...
AR...Wind Advisory until midnight CST tonight for Clay-Craighead-
     Crittenden-Cross-Greene-Lee AR-Mississippi-Phillips-
     Poinsett-St. Francis.

MO...Wind Advisory until midnight CST tonight for Dunklin-Pemiscot.

MS...Wind Advisory until midnight CST tonight for Benton MS-Coahoma-
     DeSoto-Lafayette-Marshall-Panola-Quitman-Tallahatchie-Tate-
     Tunica-Yalobusha.

     Flash Flood Watch until midnight CST tonight for Alcorn-Benton
     MS-Calhoun-Chickasaw-Itawamba-Lafayette-Lee MS-Marshall-
     Monroe-Pontotoc-Prentiss-Tippah-Tishomingo-Union-Yalobusha.

TN...Wind Advisory until midnight CST tonight for Carroll-Crockett-
     Dyer-Fayette-Gibson-Hardeman-Haywood-Henry-Lake-Lauderdale-
     Madison-Obion-Shelby-Tipton-Weakley.

     Flash Flood Watch until midnight CST tonight for Benton TN-
     Carroll-Chester-Crockett-Decatur-Fayette-Gibson-Hardeman-
     Hardin-Haywood-Henderson-Henry-Madison-McNairy-Weakley.

&&

Hazardous weather outlook, Feb 23, 8:11 PM CST, 10 minutes before

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In the hours before

Local storm report, Feb 23, 6:14 PM CST, 2 hours 7 minutes before

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Special weather statement, Feb 23, 6:19 PM CST, 2 hours 2 minutes before

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Special weather statement, Feb 23, 6:54 PM CST, 1 hour 27 minutes before

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Local storm report, Feb 23, 7:12 PM CST, 1 hour 9 minutes before

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Local storm report, Feb 23, 7:31 PM CST, 50 minutes before

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Local storm report, Feb 23, 7:38 PM CST, 43 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
Feb 23, 6:54 PM CST	Special Weather Statement	MEG	Itawamba	36 min
Feb 23, 6:02 PM CST	Tornado Warning	MEG	Chester, Henderson, McNairy, Madison	15 min
Feb 23, 6:16 PM CST	Severe Thunderstorm Warning	MEG	Benton, Carroll, Chester, Decatur, Henderson	23 min
Feb 23, 6:19 PM CST	Special Weather Statement	MEG	Benton, Carroll, Henry	41 min
Feb 23, 8:13 PM CST	River Flood Warning	MEG	Obion, Weakley	46 hr
Feb 24, 3:45 AM CST	Wind Advisory	MEG	Dyer, Gibson, Henry, Lake, Lauderdale, Obion and 1 more	2 hr

Nearby

River Flood Warnings in Tennessee, 2019 Every river flood warning in 2019

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.