Alert archive / Idaho / Mesoscale Discussions in 2006
Mesoscale Discussion 897
The Storm Prediction Center issued this mesoscale discussion at May 19, 2006, 1:56 PM MDT for 18 counties in Idaho; 16 counties in Oregon; 9 counties in Washington. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 19, 2006, 1:56 PM MDT (19:56 UTC)
- Expired
- May 19, 2006, 4:00 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 43 counties
Ada County, ID, Adams County, ID, Benewah County, ID, Boise County, ID, Camas County, ID, Canyon County, ID, Clearwater County, ID, Custer County, ID, Elmore County, ID, Gem County, ID, Idaho County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Payette County, ID, Shoshone County, ID, Valley County, ID, Washington County, ID, Baker County, OR, Crook County, OR, Deschutes County, OR, Gilliam County, OR, Grant County, OR, Harney County, OR, Jefferson County, OR, Lake County, OR, Malheur County, OR, Morrow County, OR, Sherman County, OR, Umatilla County, OR, Union County, OR, Wallowa County, OR, Wasco County, OR, Wheeler County, OR, Adams County, WA, Asotin County, WA, Benton County, WA, Columbia County, WA, Franklin County, WA, Garfield County, WA, Klickitat County, WA, Walla Walla County, WA, Whitman County, WA
The radar
The Pendleton radar (KPDT), 112 km from the middle of the area, began a volume at 19:58 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Boise Airport, ID (KBOI), launched 12:00Z, 7.9 hours before the alert went out and 209 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.
- Mixed-layer CAPE
- 70 J/kg
- Mixed-layer CIN
- -234 J/kg
- Mixed-layer LCL
- 1377 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 2:23 PM MDT | Severe Thunderstorm Watch | SPC | Benewah, Latah, Lewis, Nez Perce | 8 hr |
| May 19, 5:03 PM MDT | Mesoscale Discussion | SPC | Ada, Adams, Benewah, Blaine, Boise, Camas and 18 more | 117 min |
Nearby
Mesoscale Discussions in Idaho, 2006Mesoscale Discussions in Oregon, 2006Mesoscale Discussions in Washington, 2006Every mesoscale discussion in 2006
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.