Alert archive / Montana / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 526

July 2, 200019 counties in Montana

The Storm Prediction Center issued this severe thunderstorm watch at Jul 2, 2000, 4:45 PM MDT for 19 counties in Montana. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 2, 2000, 4:45 PM MDT (22:45 UTC)
Expired
Jul 2, 2000, 11:00 PM MDT
In force
6 hr
Issued by
the Storm Prediction Center

Counties Big Horn County, MT, Blaine County, MT, Carbon County, MT, Chouteau County, MT, Fergus County, MT, Garfield County, MT, Golden Valley County, MT, Hill County, MT, Judith Basin County, MT, Musselshell County, MT, Park County, MT, Petroleum County, MT, Phillips County, MT, Stillwater County, MT, Sweet Grass County, MT, Treasure County, MT, Valley County, MT, Wheatland County, MT, Yellowstone County, MT

Warnings issued inside it

18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jul 2, 4:50 PM MDTSevere Thunderstorm WarningBYZWheatland55 min
Jul 2, 4:59 PM MDTSevere Thunderstorm WarningTFXFergus31 min
Jul 2, 5:32 PM MDTSevere Thunderstorm WarningTFXFergus, Judith Basin43 min
Jul 2, 5:34 PM MDTSevere Thunderstorm WarningTFXBlaine41 min
Jul 2, 5:42 PM MDTSevere Thunderstorm WarningBYZWheatland48 min
Jul 2, 5:53 PM MDTSevere Thunderstorm WarningGGWPhillips67 min
Jul 2, 6:04 PM MDTSevere Thunderstorm WarningGGWValley56 min
Jul 2, 6:24 PM MDTSevere Thunderstorm WarningBYZGolden Valley36 min
Jul 2, 6:35 PM MDTSevere Thunderstorm WarningGGWPetroleum55 min
Jul 2, 6:47 PM MDTSevere Thunderstorm WarningTFXFergus43 min
Jul 2, 6:54 PM MDTSevere Thunderstorm WarningGGWValley66 min
Jul 2, 7:19 PM MDTSevere Thunderstorm WarningGGWPetroleum56 min
Jul 2, 7:31 PM MDTSevere Thunderstorm WarningBYZMusselshell59 min
Jul 2, 7:45 PM MDTSevere Thunderstorm WarningGGWGarfield60 min
Jul 2, 7:56 PM MDTTornado WarningGGWValley64 min
Jul 2, 8:38 PM MDTSevere Thunderstorm WarningGGWGarfield67 min
Jul 2, 8:56 PM MDTSevere Thunderstorm WarningGGWRoosevelt, Valley64 min
Jul 2, 9:16 PM MDTSevere Thunderstorm WarningBYZWheatland59 min

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 10.8 hours before the alert went out and 149 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 2000-07-02Temperature 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 2000-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1631 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
93 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.

Nearby

Severe Thunderstorm Watches in Montana, 2000Every severe thunderstorm watch 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.