Alert archive / Tennessee / River Flood Warnings in 2020

River Flood Warning 32, NWS Morristown, TN

April 12, 2020Bledsoe County, Marion County, Sequatchie County, Tennessee

NWS Morristown, TN issued this river flood warning at Apr 12, 2020, 9:28 AM CDT for Bledsoe County, Marion County, Sequatchie County, Tennessee. It took effect at Apr 13, 2020, 7:34 AM CDT. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued: Apr 12, 2020, 9:28 AM CDT (14:28 UTC)
In effect from: Apr 13, 2020, 7:34 AM CDT
Expired: Apr 14, 2020, 11:30 PM CDT
In force: 40 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: Minor

Counties Bledsoe County, TN, Marion County, TN, Sequatchie County, TN

The radar

The Northeast Alabama radar (KHTX), 78 km from the middle of the area, began a volume at 14:29 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 Sequatchie River near Whitwell (WHTT1). The gauge peaked at 14.74 ft at Apr 13, 2020, 7:00 PM CDT.

Action stage: 12 ft
Minor stage: 14 ft
Moderate stage: 18 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03571000, 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 Morristown, TN wrote its last area forecast discussion before this river flood warning went out at Apr 12, 6:10 AM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, Apr 12, 6:10 AM CDT, 3 hours 18 minutes before

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Hazardous weather outlook, Apr 12, 2:44 AM CDT, 6 hours 44 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 8:32 PM CDT	Wind Advisory	MRX	Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more	42 hr
Apr 11, 8:41 PM CDT	Flash Flood Watch	MRX	Anderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 15 more	32 hr
Apr 12, 8:32 AM CDT	River Flood Warning	MRX	Cocke	44 hr
Apr 12, 8:37 AM CDT	River Flood Warning	MRX	Hawkins, Sullivan	57 hr
Apr 12, 8:44 AM CDT	River Flood Warning	MRX	Claiborne, Grainger, Hancock	3 days
Apr 12, 8:44 AM CDT	River Flood Warning	MRX	Claiborne, Union	60 hr
Apr 12, 9:26 AM CDT	River Flood Warning	MRX	Hamilton	3 days
Apr 12, 9:32 AM CDT	River Flood Advisory	MRX	Morgan, Roane	12 hr

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.