Alert archive / Tennessee / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 160, NWS Morristown, TN

August 5, 2001Meigs County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Aug 5, 2001, 6:46 PM EDT for Meigs County, Tennessee. It was in force for 29 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: Aug 5, 2001, 6:46 PM EDT (22:46 UTC)
Expired: Aug 5, 2001, 7:15 PM EDT
In force: 29 min
Issued by: NWS Morristown, TN
Area: Whole counties

County Meigs County, TN

The radar

The Northeast Alabama radar (KHTX), 132 km from the middle of the area, began a volume at 22:48 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, 10.8 hours before the alert went out and 175 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: 1898 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 654 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: -10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 5, 3:22 PM EDT, 3 hours 24 minutes earlier.

Area forecast discussion, Aug 5, 3:22 PM EDT, 3 hours 24 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
322 PM EDT SUN AUG 5 2001

LOOKS LIKE MORE OF THE SAME THE NEXT FEW DAYS...WITH THE ADDITION OF
SOME OF BERRY'S MOISTURE INTO OUR SOUTHERN CWA.  WILL GO WITH MAINLY
AFTERNOON AND EVENING SLIGHT CHANCE TO CHANCE POPS AREA WIDE...WITH
THE HIGHER POPS IN THE HIGHER TERRAIN AND TO THE SOUTH.  TEMPS WILL
BE FAIRLY STABLE...AND WILL GO WITH PERSISTENCE AS MUCH AS GUIDANCE.

LOOK OUT FOR HEAVY RAINERS THIS AFTERNOON AND EVENING.  ANY STORM IS
CAPABLE OF DROPPING 1 TO 2 INCHES IN A BRIEF PERIOD.

FCSTID = 29
CHA   72  90  72  91 /  30  30  30  30
TYS   70  90  70  90 /  20  20  20  20
TRI   67  89  67  89 /  20  2U0  20  20
OQT   70  90  70  90 /  20  20  20  20

.MRX...
NC...NONE.
TN...NONE.
VA...NONE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 6:23 PM EDT	Severe Thunderstorm Warning	MRX	McMinn	37 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2001 Every severe thunderstorm warning in 2001

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.