Alert archive / Tennessee / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 85, NWS Morristown, TN

May 19, 1995Unicoi County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at May 19, 1995, 12:23 AM EDT for Unicoi County, Tennessee. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
May 19, 1995, 12:23 AM EDT (04:23 UTC)
Expired
May 19, 1995, 1:23 AM EDT
In force
60 min
Issued by
NWS Morristown, TN
Area
Whole counties

County Unicoi County, TN

The radar

The Knoxville radar (KMRX), 87 km from the middle of the area, began a volume at 04:25 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.4 hours before the alert went out and 228 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 1995-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 611 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 1995-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
611 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
1530 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

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.

In the hours before

Special weather statement, May 18, 7:20 PM EDT, 5 hours 3 minutes before
TNZ015>018-042>047-VAZ001-002-005-006-008-190000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TRI-CITIES TN
ISSUED BY MORRISTOWN TN
720 PM EDT THU MAY 18 1995

...TORNADIC THUNDERSTORMS ARE APPROACHING THE CUMBERLAND PLATEAU...

A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHEAST TN AND SOUTHWEST
VIRGINIA UNTIL MIDNIGHT.  THE WATCH DOES INCLUDE THE TRI-CITIES AREA.  AT
715 PM EDT THE MORRISTOWN DOPPLER RADAR INDICATED A TORNADIC THUNDERSTORM
APPROACHING CUMBERLAND COUNTY.  SEVERAL OTHER TORNADIC THUNDERSTORMS WERE
NOTED FURTHER NORTH IN CENTRAL KY AND FURTHER SOUTHWEST OVER MIDDLE TN AND
NORTHERN ALABAMA.  THEREFORE RESIDENTS LIVING ACROSS NORTHEAST TN AND
SOUTHWEST VA WL NEED TO~ MONITOR THIS VERY DANGEROUS WEATHER SITUATION.
CURRENTLY THERE ARE NO SEVERE THUNDERSTORMS OVER THE REGION BUT THIS MAY
CHANGE LATER AS SEVERE AND POSSIBLY TORNADIC THUNDERSTORMS APPROACH THE AREA
FROM THE WEST.
Special weather statement, May 18, 8:20 PM EDT, 4 hours 3 minutes before
TNZ015>018-042>047-VAZ001-002-005-006-008-190115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TRI-CITIES TN
ISSUED BY MORRISTOWN TN
820 PM EDT THU MAY 18 1995

...DANGEROUS TORNADIC SITUATION CONTINUES TO DEVELOP OVER EAST TN...

AT 813 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERAL
TORNADIC THUNDERSTORMS ACROSS EAST TN.  THE CLOSEST TORNADIC THUNDERSTORM
WAS LOCATED ABOUT 5 MILES TO THE WEST OF OAK RIDGE.  OTHER TORNADIC
THUNDERSTORMS WERE LOCATED OVER VAN BUREN AND HAMILTON COUNTIES.  ALL OF
THESE STORMS WERE MOVING TO THE EAST-NORTHEAST AT 45 MPH.

RESIDENTS ARE REMINDED THAT A TORNADO WATCH IS IN EFFECT FOR ALL OF
NORTHEAST TN AND SOUTHWEST VIRGINIA UNTIL MIDNIGHT.  PERSONS LIVING IN
THESE AREAS SHOULD KEEP ABREAST OF THIS VERY DANGEROUS WEATHER SITUATION
AND BE PREPARED TO TAKE COVER IMMEDIATELY IF A TORNADO IS OBSERVED OR A
WARNING IS ISSUED.
Special weather statement, May 18, 8:51 PM EDT, 3 hours 32 minutes before
TNZ015>018-042>047-VAZ001-002-005-006-008-190145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TRI-CITIES TN
ISSUED BY MORRISTOWN TN
851 PM EDT THU MAY 18 1995

...VERY LARGE HAIL AND TORNADOES WILL BE POSSIBLE BY 10 PM OVER NORTHWESTERN
   GREENE COUNTY...

AT 850 PM EDT A TORNADIC THUNDERSTORM WITH HAIL THE SIZE OF BASEBALLS WILL
BE MOST LIKELY AFFECTING NORTHWESTERN GREENE COUNTY BY 1000 PM EDT.  PERSONS
LIVING IN GREENE COUNTY SHOUL&D BE PREPARED FOR THIS VERY DANGEROUS STORM.
IF A TORNADO IS OBSERVED OR A WARNING IS ISSUED YOU SHOULD TAKE COVER
IMMEDIATELY!

THE TORNADO WATCH FOR ALL OF NORTHEAST TN AND SOUTHWEST VA IS STILL IN
EFFECT UNTIL MIDNIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 8:03 PM EDTTornado WarningMRXAnderson, Roane42 min
May 18, 8:29 PM EDTTornado WarningMRXKnox46 min
May 18, 8:52 PM EDTTornado WarningMRXGrainger, Union53 min
May 18, 9:02 PM EDTSevere Thunderstorm WarningMRXLoudon, Monroe28 min
May 18, 9:07 PM EDTTornado WarningMRXHamblen, Jefferson53 min
May 18, 9:25 PM EDTTornado WarningMRXHawkins63 min
May 18, 9:33 PM EDTSevere Thunderstorm WarningMRXAnderson, Knox42 min
May 18, 9:33 PM EDTTornado WarningMRXGreene57 min
May 18, 9:52 PM EDTTornado WarningMRXKnox68 min
May 18, 10:02 PM EDTSevere Thunderstorm WarningMRXMonroe43 min
May 18, 10:09 PM EDTSevere Thunderstorm WarningMRXSullivan, Washington66 min
May 18, 10:10 PM EDTTornado WarningMRXGrainger, Jefferson50 min
May 18, 10:26 PM EDTSevere Thunderstorm WarningMRXCumberland, Roane64 min
May 18, 10:31 PM EDTTornado WarningMRXHamblen44 min
May 18, 10:33 PM EDTTornado WarningMRXMonroe42 min
May 18, 10:35 PM EDTSevere Thunderstorm WarningMRXLoudon55 min
May 18, 10:45 PM EDTSevere Thunderstorm WarningMRXHawkins60 min
May 18, 10:47 PM EDTSevere Thunderstorm WarningMRXBlount58 min
May 18, 10:52 PM EDTTornado WarningMRXLoudon53 min
May 18, 10:58 PM EDTTornado WarningMRXKnox62 min
May 18, 11:07 PM EDTTornado WarningMRXBlount68 min
May 18, 11:20 PM EDTSevere Thunderstorm WarningMRXJefferson, Sevier55 min
May 18, 11:36 PM EDTSevere Thunderstorm WarningMRXCocke, Hamblen69 min
May 18, 11:43 PM EDTSevere Thunderstorm WarningMRXGreene, Hawkins62 min
May 18, 11:53 PM EDTSevere Thunderstorm WarningMRXMonroe67 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1995Every severe thunderstorm warning in 1995

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.