Alert archive / Idaho / Mesoscale Discussions in 2005

Mesoscale Discussion 1472

June 25, 200516 counties in Idaho; 12 counties in Montana; Teton County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2005, 6:42 PM MDT for 16 counties in Idaho; 12 counties in Montana; Teton County, Wyoming. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: Jun 25, 2005, 6:42 PM MDT (00:42 UTC)
Expired: Jun 25, 2005, 8:15 PM MDT
In force: 93 min
Issued by: the Storm Prediction Center

All 29 counties

Bannock County, ID, Bear Lake County, ID, Bingham County, ID, Bonneville County, ID, Butte County, ID, Caribou County, ID, Cassia County, ID, Clark County, ID, Franklin County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID, Minidoka County, ID, Oneida County, ID, Power County, ID, Teton County, ID, Beaverhead County, MT, Broadwater County, MT, Gallatin County, MT, Golden Valley County, MT, Jefferson County, MT, Madison County, MT, Meagher County, MT, Park County, MT, Silver Bow County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT, Teton County, WY

The radar

The Pocatello radar (KSFX), 94 km from the middle of the area, began a volume at 00:44 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

Salt Lake City I, UT (KSLC), launched 00:00Z, 0.7 hours before the alert went out and 347 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 85 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 3118 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 26, 2:30 PM MDT	Mesoscale Discussion	SPC	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 19 more	2 hr
Jun 25, 6:40 PM MDT	Tornado Watch	SPC	Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 8 more	6 hr
Jun 25, 9:20 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 8 more	85 min
Jun 25, 10:49 PM MDT	Mesoscale Discussion	SPC	Fallon, Wibaux	116 min
Jun 26, 1:30 PM MDT	Mesoscale Discussion	SPC	Carter, Custer, Fallon, Powder River, Wibaux	3 hr
Jun 26, 2:15 PM MDT	Severe Thunderstorm Watch	SPC	Carter, Dawson, Fallon, Powder River, Richland, Roosevelt and 2 more	7 hr
Jun 25, 6:15 PM MDT	Mesoscale Discussion	SPC	Uinta	2 hr
Jun 25, 8:23 PM MDT	Mesoscale Discussion	SPC	Campbell, Crook, Goshen, Niobrara, Weston	97 min

Nearby

Mesoscale Discussions in Idaho, 2005 Mesoscale Discussions in Montana, 2005 Mesoscale Discussions in Wyoming, 2005 Every mesoscale discussion in 2005

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.