Alert archive / Montana / Tornado Warnings in 1992

Tornado Warning 1, NWS Missoula, MT

July 8, 1992Lewis and Clark County, Montana

NWS Missoula, MT issued this tornado warning at Jul 8, 1992, 5:07 PM MDT for Lewis and Clark County, Montana. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1992, 5:07 PM MDT (23:07 UTC)
Expired
Jul 8, 1992, 6:00 PM MDT
In force
53 min
Issued by
NWS Missoula, MT
Area
Whole counties

County Lewis and Clark County, MT

The nearest sounding before it

Great Falls, MT (KGTF), launched 12:00Z, 11.1 hours before the alert went out and 91 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, Great Falls, MT at 12:00Z on 1992-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Great Falls, MT at 12:00Z on 1992-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1344 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
40 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 tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 8, 1:28 PM MDT, 3 hours 39 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE KALISPELL MT
125 PM MDT WED JUL 08 1992

7/8/92 120 PM MDT PUBLIC REPORT OF 1/2 INCH HAIL ON NORTH END OF
WHITEFISH LAKE WITH 2 INCHES OF HAIL O;N THE GROUND ANtD STILL
FALLING.
7/8/92 1145 AM MDT PUBLIC REPORT OF HEAVY RAIN IN BIGFORK AREA ON
NORTH END OF FLATHEAD LAKE. VERY SLOW MOVING CELL SOUTH OF KALISPELL
MOVING NORTHEAST.

END/CCC

Nearby

Tornado Warnings in Montana, 1992Every tornado warning in 1992Tornadoes in 1992

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.