Alert archive / Idaho / Mesoscale Discussions in 2003

Mesoscale Discussion 1416

June 19, 200317 counties in Idaho; Baker County, Malheur County, Wallowa County, Oregon

The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2003, 4:04 PM MDT for 17 counties in Idaho; Baker County, Malheur County, Wallowa County, Oregon. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued: Jun 19, 2003, 4:04 PM MDT (22:04 UTC)
Expired: Jun 19, 2003, 6:00 PM MDT
In force: 116 min
Issued by: the Storm Prediction Center

Counties Ada County, ID, Adams County, ID, Blaine County, ID, Boise County, ID, Camas County, ID, Canyon County, ID, Custer County, ID, Elmore County, ID, Gem County, ID, Gooding County, ID, Jerome County, ID, Lincoln County, ID, Minidoka County, ID, Owyhee County, ID, Payette County, ID, Valley County, ID, Washington County, ID, Baker County, OR, Malheur County, OR, Wallowa County, OR

The radar

The Boise radar (KCBX), 25 km from the middle of the area, began a volume at 22:08 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

Boise Airport, ID (KBOI), launched 12:00Z, 10.1 hours before the alert went out and 17 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: 76 J/kg
Mixed-layer CIN: -473 J/kg
Mixed-layer LCL: 1859 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 19 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 18, 7:17 PM MDT	Mesoscale Discussion	SPC	Ada, Adams, Benewah, Boise, Bonner, Boundary and 13 more	88 min
Jun 19, 12:32 PM MDT	Mesoscale Discussion	SPC	Blaine, Butte, Camas, Clearwater, Custer, Idaho and 3 more	118 min

Nearby

Mesoscale Discussions in Idaho, 2003 Mesoscale Discussions in Oregon, 2003 Every mesoscale discussion in 2003

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.