Alert archive / Tennessee / Flash Flood Warnings in 2022

Flash Flood Warning 23, NWS Morristown, TN

July 25, 2022Roane County, Tennessee

NWS Morristown, TN issued this flash flood warning at Jul 25, 2022, 9:02 PM EDT for Roane County, Tennessee. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 25, 2022, 9:02 PM EDT (01:02 UTC)
Expired: Jul 26, 2022, 1:15 AM EDT
In force: 4 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: None

County Roane County, TN

The radar

The Knoxville radar (KMRX), 107 km from the middle of the area, began a volume at 01:06 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Morristown, TN wrote its last area forecast discussion before this flash flood warning went out at Jul 25, 7:38 PM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, Jul 25, 7:38 PM EDT, 1 hour 24 minutes before

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Hazardous weather outlook, Jul 25, 3:36 PM EDT, 5 hours 26 minutes before

Hazardous Weather Outlook
National Weather Service Morristown TN
336 PM EDT Mon Jul 25 2022

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-261945-
Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins-
Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen-
Northwest Cocke-Cocke Smoky Mountains-Northwest Greene-
Southeast Greene-Washington TN-Unicoi-Northwest Carter-
Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount-
Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains-
Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-
Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee-
Wise-Scott VA-Russell-Washington VA-
336 PM EDT Mon Jul 25 2022 /236 PM CDT Mon Jul 25 2022/

This Hazardous Weather Outlook is for portions of southwest North
Carolina...east Tennessee and southwest Virginia.

.DAY ONE...This Afternoon and Tonight

Several rounds of showers and storms are expected throughout the
day. Heavy rainfall may lead to localized flash flooding across
areas that receive repeated rounds of showers and storms.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Locally heavy rainfall is expected Tuesday through Friday, and
possibly through the weekend, with any daily convection that
develops. As a result, localized flash flooding will be possible
each day. In addition, isolated damaging winds are possible each
day, mainly during the afternoon and evenings with any stronger
storms that develop.

.SPOTTER INFORMATION STATEMENT...

Reports of flooding and wind damage may be needed throughout the
week.

In the hours before

Local storm report, Jul 25, 3:20 PM EDT, 5 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
320 PM EDT MON JUL 25 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0250 PM     FLOOD            4 SSW BIRD CROSSING     35.85N 83.40W
07/25/2022                   SEVIER             TN   LAW ENFORCEMENT

            FLOODING ON HWY 339. LAW ENFORCEMENT THINKS
            THE ROAD WILL NEED TO BE CLOSED DUE TO
            FLOODING.

&&

BW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 11:19 PM EDT	Areal Flood Advisory	MRX	Scott	116 min
Jul 26, 12:41 AM EDT	Areal Flood Advisory	MRX	Campbell, Claiborne	109 min
Jul 26, 1:24 AM EDT	Areal Flood Advisory	MRX	Claiborne, Hancock	3 hr
Jul 26, 1:47 PM EDT	Flood Watch	MRX	Anderson, Campbell, Carter, Claiborne, Grainger, Greene and 10 more	7 hr
Jul 26, 3:43 PM EDT	Areal Flood Advisory	MRX	Campbell, Scott	4 hr
Jul 26, 2:13 AM EDT	Areal Flood Advisory	MRX	Lee, Scott, Wise	2 hr
Jul 26, 3:19 PM EDT	Special Weather Statement	MRX	Scott	26 min

Nearby

Flash Flood Warnings in Tennessee, 2022 Every flash flood warning in 2022

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.