Alert archive / Tennessee / Areal Flood Warnings in 2015

Areal Flood Warning 3, NWS Nashville, TN

May 31, 20154 counties in Tennessee

NWS Nashville, TN issued this areal flood warning at May 31, 2015, 7:16 PM CDT for 4 counties in Tennessee. It was in force for 3 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: May 31, 2015, 7:16 PM CDT (00:16 UTC)
Expired: May 31, 2015, 10:15 PM CDT
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Flood severity: None

Counties Davidson County, TN, Rutherford County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 26 km from the middle of the area, began a volume at 00:19 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 00:00Z, 0.3 hours before the alert went out and 13 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 417 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 712 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this areal flood warning went out at May 31, 6:12 PM CDT, 1 hour 4 minutes earlier.

Area forecast discussion, May 31, 6:12 PM CDT, 1 hour 4 minutes before

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Hazardous weather outlook, May 31, 3:17 PM CDT, 3 hours 59 minutes before

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In the hours before

Special weather statement, May 31, 4:22 PM CDT, 2 hours 54 minutes before

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Special weather statement, May 31, 4:34 PM CDT, 2 hours 42 minutes before

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Special weather statement, May 31, 5:06 PM CDT, 2 hours 10 minutes before

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Local storm report, May 31, 5:12 PM CDT, 2 hours 4 minutes before

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Local storm report, May 31, 5:15 PM CDT, 2 hours 1 minute before

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Special weather statement, May 31, 5:37 PM CDT, 1 hour 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 2:12 PM CDT	Severe Thunderstorm Warning	OHX	Marshall	33 min
Jun 1, 2:36 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall	24 min
Jun 1, 2:52 PM CDT	Special Weather Statement	OHX	Cannon	38 min
Jun 1, 4:56 PM CDT	Special Weather Statement	OHX	Cumberland	19 min

Nearby

Areal Flood Warnings in Tennessee, 2015 Every areal flood warning in 2015

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.