Alert archive / Tennessee / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Nashville, TN

April 6, 2003Giles County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 6, 2003, 9:32 AM CDT for Giles County, Tennessee. It was in force for 28 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: Apr 6, 2003, 9:32 AM CDT (14:32 UTC)
Expired: Apr 6, 2003, 10:00 AM CDT
In force: 28 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Giles County, TN

The radar

The Northeast Alabama radar (KHTX), 94 km from the middle of the area, began a volume at 14:34 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, 2.5 hours before the alert went out and 108 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1528 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 304 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

174 
WUUS54 KOHX 061432
SVRBNA
TNC055-061500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
931 AM CDT SUN APR 6 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GILES COUNTY IN TENNESSEE

* UNTIL 1000 AM CDT

* AT 927 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR PULASKI...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL MOVE TO NEAR...
  BRICK CHURCH AND LYNNVILLE BY 1000 AM CDT

THIS THUNDERSTORM IS CAPABLE OF PRODUCING EXTREMELY LARGE HAIL, WHICH
MAY CAUSE INJURY AND PROPERTY DAMAGE. TAKE SHELTER IN A STURDY
BUILDING AND AVOID WINDOWS.

&&

LAT...LON 3521 8718 3508 8702 3528 8687 3537 8700

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 12:15 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, White	45 min
Apr 6, 12:58 PM CDT	Severe Thunderstorm Warning	OHX	Perry	47 min
Apr 6, 1:05 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson	40 min
Apr 6, 1:17 PM CDT	Tornado Warning	OHX	Davidson, Robertson, Sumner	28 min
Apr 6, 1:25 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys	35 min
Apr 6, 1:35 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	40 min
Apr 6, 1:40 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	50 min
Apr 6, 1:50 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	40 min
Apr 6, 2:14 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham	46 min
Apr 6, 2:32 PM CDT	Severe Thunderstorm Warning	OHX	Robertson	43 min
Apr 6, 2:48 PM CDT	Flash Flood Warning	OHX	Davidson	117 min
Apr 6, 3:01 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Sumner, Wilson	44 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2003 Every severe thunderstorm warning in 2003

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.