Alert archive / Tennessee / Special Weather Statements in 2016

Special Weather Statement, NWS Nashville, TN

May 1, 2016Clay County, Macon County, Tennessee

NWS Nashville, TN issued this special weather statement at May 1, 2016, 12:49 AM CDT for Clay County, Macon County, Tennessee. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 1, 2016, 12:49 AM CDT (05:49 UTC)
Expired: May 1, 2016, 1:30 AM CDT
In force: 41 min
Issued by: NWS Nashville, TN

Counties Clay County, TN, Macon County, TN

The radar

The Nashville radar (KOHX), 76 km from the middle of the area, began a volume at 05:51 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 00:00Z, 5.8 hours before the alert went out and 85 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: 135 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1111 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 30, 11:55 PM CDT, 54 minutes earlier.

Area forecast discussion, Apr 30, 11:55 PM CDT, 54 minutes before

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Hazardous weather outlook, Apr 30, 10:30 PM CDT, 2 hours 19 minutes before

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In the hours before

Special weather statement, May 1, 12:49 AM CDT, 0 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
May 1, 1:57 PM CDT	Special Weather Statement	OHX	Stewart	63 min
May 1, 2:14 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	46 min
May 1, 2:56 PM CDT	Severe Thunderstorm Warning	OHX	Houston, Montgomery, Stewart	24 min
May 1, 3:18 PM CDT	Special Weather Statement	OHX	Montgomery	42 min
May 1, 3:25 PM CDT	Special Weather Statement	OHX	Houston	50 min
May 1, 3:42 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery	33 min
May 1, 4:09 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Montgomery, Robertson	36 min
May 1, 4:45 PM CDT	Special Weather Statement	OHX	Robertson	45 min
May 1, 4:50 PM CDT	Special Weather Statement	OHX	Dickson	25 min
May 1, 5:11 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Williamson	34 min
May 1, 5:30 PM CDT	Special Weather Statement	OHX	Perry	45 min
May 1, 5:39 PM CDT	Severe Thunderstorm Warning	OHX	Williamson	36 min
May 1, 6:15 PM CDT	Special Weather Statement	OHX	Williamson	45 min

Nearby

Special Weather Statements in Tennessee, 2016 Every special weather statement in 2016

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.