Alert archive / Tennessee / Wind Advisories in 2025

Wind Advisory 11, NWS Morristown, TN

April 1, 202514 counties in Tennessee

NWS Morristown, TN issued this wind advisory at Apr 1, 2025, 11:52 AM CDT for 14 counties in Tennessee. It took effect at Apr 2, 2025, 1:00 AM CDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Apr 1, 2025, 11:52 AM CDT (16:52 UTC)
In effect from
Apr 2, 2025, 1:00 AM CDT
Expired
Apr 3, 2025, 7:00 AM CDT
In force
30 hr
Issued by
NWS Morristown, TN

Counties Bledsoe County, TN, Blount County, TN, Campbell County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Marion County, TN, Monroe County, TN, Morgan County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Unicoi County, TN

The radar

The Knoxville radar (KMRX), 47 km from the middle of the area, began a volume at 16:51 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

Nashville Metro, TN (KBNA), launched 12:00Z, 4.9 hours before the alert went out and 250 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, Nashville Metro, TN at 12:00Z on 2025-04-01Temperature 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, Nashville Metro, TN at 12:00Z on 2025-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -77 square meters per square second.1939587897Sfc1 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
900 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-77 m²/s²
0-3 km storm-relative helicity
21 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 wind advisory 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 wind advisory went out at Apr 1, 8:45 AM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, Apr 1, 8:45 AM CDT, 3 hours 7 minutes before
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Hazardous weather outlook, Apr 1, 2:08 AM CDT, 9 hours 44 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Nearby

Wind Advisories in Tennessee, 2025Every wind advisory 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.