Alert archive / Tennessee / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 149, NWS Nashville, TN

July 7, 1996Hickman County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 7, 1996, 9:37 PM CDT for Hickman County, Tennessee. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 7, 1996, 9:37 PM CDT (02:37 UTC)
Expired: Jul 7, 1996, 10:15 PM CDT
In force: 38 min
Issued by: NWS Nashville, TN
Area: Whole counties

County Hickman County, TN

The radar

The Nashville radar (KOHX), 96 km from the middle of the area, began a volume at 02:37 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, 2.6 hours before the alert went out and 87 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: 1207 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 7, 7:44 PM CDT, 1 hour 53 minutes earlier.

Area forecast discussion, Jul 7, 7:44 PM CDT, 1 hour 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
745 PM CDT SUN JUL 7 1996

00Z SOUNDING SHOWS HI INSTABILITY OVR BNA THIS PM. DO NOT BLV THAT THE
LN OF TRW MOVG EWD FM WRN TN WL DIE OUT ANY TIME SOON. QUICK LUK AT 12Z
MODELS SHOWS THAT NGM IS VERIFYING WELL SO FAR. MOS GUID VALUES LUK
REASONABLE...XCPT FOR HI MON. BLV MOS A COUPLE OF DEGREES TOO WM.

AS FOR CURNT ZNS...BLV POPS ACRS MID TN...ESP NRN HALF FM TN RIVER TO
BNA SHUD BE INCREASED TO AT LEAST 60 PCT. SUGGEST UPPER 80S OR NR 90
DEGREES FOR HI TMRW. OTRW...NO FURTHER CHANGES NEEDED.

ROSE

In the hours before

Local storm report, Jul 7, 9:19 PM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
919 PM CDT SUN JUL 07 1996

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

840 PM     COUNTY WIDE               TN   TREES DOWN ACROSS COUNTY
07/07/96   WAYNE                          REPORTED BY LOCAL LAW
                                          ENFORCEMENT.

850 PM     WAVERLY                   TN   TREES AND POWER LINES DOWNn
07/07/96   HUMPHREYS                      REPORTED BY LOCAL LAW
                                          ENFORCEMENT.

END/ROSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 7:58 PM CDT	Severe Thunderstorm Warning	OHX	Benton	47 min
Jul 7, 8:07 PM CDT	Severe Thunderstorm Warning	OHX	Decatur	38 min
Jul 7, 8:27 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys, Perry	33 min
Jul 7, 8:27 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	33 min
Jul 7, 8:48 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lawrence, Lewis	42 min
Jul 7, 9:03 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	42 min
Jul 7, 9:05 PM CDT	Severe Thunderstorm Warning	OHX	Maury	55 min
Jul 7, 9:26 PM CDT	Severe Thunderstorm Warning	OHX	Williamson	49 min
Jul 7, 9:26 PM CDT	Severe Thunderstorm Warning	OHX	Giles	49 min
Jul 7, 9:49 PM CDT	Severe Thunderstorm Warning	OHX	Lincoln, Marshall	41 min
Jul 7, 10:10 PM CDT	Severe Thunderstorm Warning	OHX	Bedford	50 min
Jul 8, 1:47 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys	58 min
Jul 8, 2:16 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman	59 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1996 Every severe thunderstorm warning in 1996

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.