Alert archive / Idaho / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 238
The Storm Prediction Center issued this severe thunderstorm watch at Jun 8, 2016, 2:07 PM PDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 8, 2016, 2:07 PM PDT (21:07 UTC)
- Expired
- Jun 8, 2016, 7:56 PM PDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 23 counties
Benewah County, ID, Clearwater County, ID, Idaho County, ID, Kootenai County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Shoshone County, ID, Flathead County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Sanders County, MT, Grant County, OR, Umatilla County, OR, Union County, OR, Wallowa County, OR, Asotin County, WA, Columbia County, WA, Garfield County, WA, Walla Walla County, WA, Whitman County, WA
The radar
The Spokane radar (KOTX), 137 km from the middle of the area, began a volume at 21:10 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 2:12 PM PDT | Severe Thunderstorm Warning | OTX | Lewis, Nez Perce | 33 min |
| Jun 8, 2:31 PM PDT | Flash Flood Warning | MSO | Clearwater | 59 min |
| Jun 8, 2:31 PM PDT | Severe Thunderstorm Warning | OTX | Benewah, Latah, Shoshone | 44 min |
| Jun 8, 2:35 PM PDT | Tornado Warning | PDT | Umatilla, Union | 40 min |
| Jun 8, 2:37 PM PDT | Severe Thunderstorm Warning | OTX | Nez Perce | 38 min |
| Jun 8, 2:39 PM PDT | Severe Thunderstorm Warning | MSO | Clearwater, Idaho | 36 min |
| Jun 8, 3:06 PM PDT | Severe Thunderstorm Warning | OTX | Nez Perce | 24 min |
| Jun 8, 3:14 PM PDT | Severe Thunderstorm Warning | OTX | Shoshone | 46 min |
| Jun 8, 3:15 PM PDT | Severe Thunderstorm Warning | OTX | Lewis, Nez Perce | 31 min |
| Jun 8, 3:42 PM PDT | Severe Thunderstorm Warning | MSO | Flathead | 33 min |
| Jun 8, 3:52 PM PDT | Severe Thunderstorm Warning | MSO | Mineral, Sanders | 23 min |
| Jun 8, 3:57 PM PDT | Severe Thunderstorm Warning | MSO | Mineral, Sanders | 33 min |
| Jun 8, 4:48 PM PDT | Severe Thunderstorm Warning | OTX | Benewah, Latah, Nez Perce | 42 min |
| Jun 8, 5:06 PM PDT | Severe Thunderstorm Warning | MSO | Flathead | 24 min |
| Jun 8, 5:16 PM PDT | Severe Thunderstorm Warning | MSO | Flathead | 29 min |
| Jun 8, 5:22 PM PDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 24 min |
| Jun 8, 5:37 PM PDT | Severe Thunderstorm Warning | MSO | Mineral, Missoula, Sanders | 38 min |
| Jun 8, 5:44 PM PDT | Severe Thunderstorm Warning | MSO | Lake | 28 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 9.1 hours before the alert went out and 62 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
- 20 J/kg
- Mixed-layer CIN
- -336 J/kg
- Mixed-layer LCL
- 2709 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 1:16 PM PDT | Mesoscale Discussion | SPC | Benewah, Clearwater, Kootenai, Latah, Lewis, Nez Perce and 1 more | 2 hr |
| Jun 8, 4:48 PM PDT | Mesoscale Discussion | SPC | Benewah, Clearwater, Kootenai, Latah, Lewis, Nez Perce and 1 more | 57 min |
| Jun 8, 1:39 PM PDT | Mesoscale Discussion | SPC | Broadwater, Cascade, Deer Lodge, Fergus, Gallatin, Golden Valley and 9 more | 3 hr |
Nearby
Severe Thunderstorm Watches in Idaho, 2016Severe Thunderstorm Watches in Montana, 2016Severe Thunderstorm Watches in Washington, 2016Every severe thunderstorm watch in 2016
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.