Alert archive / Montana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 33, NWS Billings, MT

July 2, 2000Musselshell County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jul 2, 2000, 7:31 PM MDT for Musselshell County, Montana. It was in force for 59 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
Jul 2, 2000, 7:31 PM MDT (01:31 UTC)
Expired
Jul 2, 2000, 8:30 PM MDT
In force
59 min
Issued by
NWS Billings, MT
Area
Whole counties

County Musselshell County, MT

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 2, 4:45 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 1.5 hours before the alert went out and 198 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 00:00Z on 2000-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 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, Great_falls, MT at 00:00Z on 2000-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939587897Sfc1 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
62 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
2639 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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.

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 6:24 PM MDTSevere Thunderstorm WarningBYZGolden Valley36 min
Jul 2, 9:16 PM MDTSevere Thunderstorm WarningBYZWheatland59 min
Jul 3, 2:54 PM MDTSevere Thunderstorm WarningBYZWheatland66 min
Jul 3, 4:06 PM MDTSevere Thunderstorm WarningBYZGolden Valley54 min
Jul 3, 5:04 PM MDTSevere Thunderstorm WarningBYZCarter, Powder River56 min
Jul 3, 5:07 PM MDTSevere Thunderstorm WarningBYZMusselshell53 min

Nearby

Severe Thunderstorm Warnings in Montana, 2000Every severe thunderstorm warning in 2000

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.