Alert archive / Tennessee / Red Flag Warnings in 2025

Red Flag Warning 3, NWS Morristown, TN

March 14, 20259 counties in Tennessee

NWS Morristown, TN issued this red flag warning at Mar 14, 2025, 2:58 PM EDT for 9 counties in Tennessee. It took effect at Mar 15, 2025, 8:00 AM EDT. It was in force for 15 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
Mar 14, 2025, 2:58 PM EDT (18:58 UTC)
In effect from
Mar 15, 2025, 8:00 AM EDT
Expired
Mar 15, 2025, 11:00 PM EDT
In force
15 hr
Issued by
NWS Morristown, TN

Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Monroe County, TN, Polk County, TN, Sevier County, TN, Unicoi County, TN

The radar

The Knoxville radar (KMRX), 37 km from the middle of the area, began a volume at 19:00 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.0 hours before the alert went out and 305 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2025-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2025-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
995 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this red flag 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 red flag warning went out at Mar 14, 1:45 PM EDT, 1 hour 13 minutes earlier.

Area forecast discussion, Mar 14, 1:45 PM EDT, 1 hour 13 minutes before
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Hazardous weather outlook, Mar 14, 4:36 AM EDT, 10 hours 22 minutes before
Hazardous Weather Outlook
National Weather Service Morristown TN
436 AM EDT Fri Mar 14 2025

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-150845-
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-
436 AM EDT Fri Mar 14 2025 /336 AM CDT Fri Mar 14 2025/

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

.DAY ONE...Today and Tonight

Southerly winds will be increasing this afternoon and evening.
Downslope winds will be especially strong in the mountains and
foothills with gusts up to 70 mph possible tonight. See High Wind
Warning for details.

A few strong to severe storms will be possible late tonight mainly
along and west of I-75. The primary threat will be gusty winds if
storms hold together this far east.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

High winds will continue in the mountains and foothills through
Saturday night with winds up to 80 mph by the evening. This will
also raise concerns for the spread of any ongoing wildfires in the
region. See the High Wind Warning now in effect for more details.

A severe weather outbreak is likely across portions of the
eastern United States Saturday into Saturday night with the
greatest threat in east Tennesse being along the Cumberland
Plateau, southeast Tennessee, and southwest North Carolina.
Widespread and significant damaging winds are likely. There is
also a threat for tornadoes and large hail. Some details regarding
the severe weather threat remain uncertain, so stay tuned to the
forecast for additional updates.

Also, with multiple rounds of storms, there is a threat for flash
flooding by Saturday evening, especially west of Interstate 75.

.SPOTTER INFORMATION STATEMENT...

Spotter reports may be needed this weekend with any severe
thunderstorms and flash flooding Saturday.

In the hours before

Special weather statement, Mar 14, 9:18 AM EDT, 5 hours 40 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 10:43 AM EDTRiver Flood WarningMRXBledsoe, Marion, Sequatchie3 days
Mar 14, 1:02 PM EDTFlood WatchMRXAnderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 14 more43 hr

Nearby

Red Flag Warnings in Tennessee, 2025Every red flag warning in 2025

Sources

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