Alert archive / Montana / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 530

July 3, 200017 counties in Montana

The Storm Prediction Center issued this severe thunderstorm watch at Jul 3, 2000, 1:30 PM MDT for 17 counties in Montana. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jul 3, 2000, 1:30 PM MDT (19:30 UTC)
Expired
Jul 3, 2000, 8:00 PM MDT
In force
7 hr
Issued by
the Storm Prediction Center

Counties Blaine County, MT, Carbon County, MT, Chouteau County, MT, Fergus County, MT, Gallatin County, MT, Golden Valley County, MT, Hill County, MT, Judith Basin County, MT, Meagher County, MT, Musselshell County, MT, Park County, MT, Petroleum County, MT, Phillips County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT, Yellowstone County, MT

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 3, 1:37 PM MDTSevere Thunderstorm WarningTFXJudith Basin23 min
Jul 3, 1:41 PM MDTSevere Thunderstorm WarningTFXBroadwater, Gallatin49 min
Jul 3, 1:57 PM MDTSevere Thunderstorm WarningTFXJudith Basin33 min
Jul 3, 2:03 PM MDTSevere Thunderstorm WarningTFXMeagher42 min
Jul 3, 2:45 PM MDTSevere Thunderstorm WarningTFXMeagher30 min
Jul 3, 2:54 PM MDTSevere Thunderstorm WarningBYZWheatland66 min
Jul 3, 3:20 PM MDTSevere Thunderstorm WarningTFXChouteau, Hill40 min
Jul 3, 3:26 PM MDTSevere Thunderstorm WarningTFXChouteau49 min
Jul 3, 3:42 PM MDTSevere Thunderstorm WarningTFXJudith Basin33 min
Jul 3, 3:56 PM MDTSevere Thunderstorm WarningTFXBlaine34 min
Jul 3, 4:01 PM MDTSevere Thunderstorm WarningTFXHill29 min
Jul 3, 4:06 PM MDTSevere Thunderstorm WarningBYZGolden Valley54 min
Jul 3, 4:12 PM MDTSevere Thunderstorm WarningTFXFergus33 min
Jul 3, 4:25 PM MDTSevere Thunderstorm WarningTFXBlaine50 min
Jul 3, 4:35 PM MDTSevere Thunderstorm WarningTFXFergus40 min
Jul 3, 5:07 PM MDTSevere Thunderstorm WarningBYZMusselshell53 min
Jul 3, 5:10 PM MDTSevere Thunderstorm WarningGGWPetroleum65 min
Jul 3, 5:17 PM MDTSevere Thunderstorm WarningTFXFergus28 min
Jul 3, 5:20 PM MDTSevere Thunderstorm WarningTFXBlaine40 min
Jul 3, 5:40 PM MDTSevere Thunderstorm WarningGGWPhillips65 min
Jul 3, 6:37 PM MDTSevere Thunderstorm WarningGGWPhillips, Valley53 min

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 7.5 hours before the alert went out and 108 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 2000-07-03Temperature 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 2000-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2111 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
319 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 6:00 PM MDTSevere Thunderstorm WatchSPCCarter, Custer, Daniels, Dawson, Fallon, Garfield and 9 more5 hr

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.