Alert archive / Tennessee / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 112, NWS Morristown, TN

May 27, 1996Cocke County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at May 27, 1996, 7:39 PM EDT for Cocke County, Tennessee. It was in force for 66 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: May 27, 1996, 7:39 PM EDT (23:39 UTC)
Expired: May 27, 1996, 8:45 PM EDT
In force: 66 min
Issued by: NWS Morristown, TN
Area: Whole counties

County Cocke County, TN

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.7 hours before the alert went out and 290 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: 27 J/kg
Mixed-layer CIN: -275 J/kg
Mixed-layer LCL: 1124 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 27, 2:17 PM EDT, 5 hours 22 minutes earlier.

Area forecast discussion, May 27, 2:17 PM EDT, 5 hours 22 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
215 PM EDT MON MAY 27 1996

OUTFLOW BNDRY CURRENTLY STRETCHING FROM SOMERSET KY TO AROUND BNA
AND THEN WWD TO AROUND MO BOOTHEEL.  SRN END HAS SLOWED DOWN
CONSIDERABLY BUT WL SPEED UP AS MORE CONVECTION RACES EWD ACROSS AR.
EXTREMELY UNSTABLE AIRMASS IS IN PLACE ACROSS EAST TN... SW VA AND SW
NC.  THUS NEEDLESS TO SAY WE WL CONTINUE THE THREAT FOR DMGG
WINDS/LARGE HAIL ACROSS MOST OF THE RGN TNT.  FLASH FLOODING THREAT WL
ALSO CONTINUE AS MOISTURE CONTENT AND POTENTIAL FOR REPEAT ACTIVITY WL
REMAIN HIGH TNT.  CURRENT CONFIGURATION LOOKS GOOD.  THUS LKLY POPS
FOR ALL ZONES TNT.  ACTIVITY WL TAPER OFF WELL AFT MIDNIGHT AS DRIER
AIR TRIES TO WORK IN FROM THE WEST.

ON TUE NVA ALONG WITH DRIER AIR WL KEEP STORMS ONLY SCTD AT BEST.
MAIN AREAS OF CONVECTION WL BE TO OUR NORTH ALONG THE QUASI-STNRY
FNTL BNDRY.  THE FNT WL BEGIN SINKING SWD ON WED AS PRESSURES RISE
ACROSS THE GRT LKS RGN.  THUS POPS WL BE INCREASING THROUGH THE DAY ON
WED.  TEMPS WL REMAIN SUMMER-LIKE THROUGH THE PD.  MB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 5:42 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Union	63 min
May 27, 5:42 PM EDT	Severe Thunderstorm Warning	MRX	Roane	63 min
May 27, 6:35 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Jefferson	55 min
May 27, 6:46 PM EDT	Severe Thunderstorm Warning	MRX	Hamilton, Rhea	59 min
May 27, 7:02 PM EDT	Severe Thunderstorm Warning	MRX	Cumberland	58 min
May 27, 7:02 PM EDT	Severe Thunderstorm Warning	MRX	Meigs	58 min
May 27, 7:08 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Loudon, Roane	67 min
May 27, 7:15 PM EDT	Severe Thunderstorm Warning	MRX	McMinn	60 min
May 27, 7:22 PM EDT	Tornado Warning	MRX	Meigs	53 min
May 27, 7:30 PM EDT	Tornado Warning	MRX	Bradley	45 min
May 27, 7:34 PM EDT	Severe Thunderstorm Warning	MRX	Monroe	56 min
May 27, 7:52 PM EDT	Severe Thunderstorm Warning	MRX	Polk	68 min
May 27, 5:53 AM EDT	Severe Thunderstorm Warning	MRX	Washington	52 min
May 27, 5:52 PM EDT	Severe Thunderstorm Warning	MRX	Scott, Wise	68 min
May 27, 6:20 PM EDT	Severe Thunderstorm Warning	MRX	Russell, Washington	55 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.