Alert archive / Tennessee / Flash Flood Warnings in 2025

Flash Flood Warning 12, NWS Memphis, TN

February 17, 2025Obion County, Tennessee

NWS Memphis, TN issued this flash flood warning at Feb 17, 2025, 7:21 AM CST for Obion County, Tennessee. It was in force for 12 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
Feb 17, 2025, 7:21 AM CST (13:21 UTC)
Expired
Feb 17, 2025, 7:15 PM CST
In force
12 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
Unknown

County Obion County, TN

The radar

The Paducah radar (KPAH), 86 km from the middle of the area, began a volume at 13:25 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, 1.4 hours before the alert went out and 230 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 2025-02-17Temperature 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 2025-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939587897117136Sfc1 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
1039 m above ground
0-6 km bulk shear
90 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
-93 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 flash 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 flash flood warning went out at Feb 17, 5:21 AM CST, 2 hours earlier.

Area forecast discussion, Feb 17, 5:21 AM CST, 2 hours before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 16, 7:19 PM CSTRiver Flood WarningMEGDyer10 days
Feb 16, 8:28 PM CSTRiver Flood AdvisoryMEGLake12 days
Feb 16, 10:00 PM CSTRiver Flood WarningMEGBenton, Henry, Houston, Humphreys, Stewart39 hr
Feb 17, 2:59 AM CSTWinter Storm WarningMEGBenton, Carroll, Crockett, Dyer, Gibson, Haywood and 8 more52 hr
Feb 17, 2:43 PM CSTWinter Weather AdvisoryMEGChester, Decatur, Fayette, Hardeman, Hardin, Henderson and 1 more40 hr
Feb 16, 7:39 PM CSTRiver Flood WarningMEGCraighead35 hr
Feb 17, 12:19 PM CSTAreal Flood WarningMEGPoinsett71 hr

Nearby

Flash Flood Warnings in Tennessee, 2025Every flash flood 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.