Alert archive / Idaho / Winter Storm Warnings in 2016
Winter Storm Warning 3, NWS Boise, ID
NWS Boise, ID issued this winter storm warning at Dec 19, 2016, 4:28 AM MST for 7 counties in Idaho; Baker County, Oregon. It took effect at Dec 19, 2016, 11:00 PM MST. It was in force for 16 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2016, 4:28 AM MST (11:28 UTC)
- In effect from
- Dec 19, 2016, 11:00 PM MST
- Expired
- Dec 20, 2016, 2:40 PM MST
- In force
- 16 hr
- Issued by
- NWS Boise, ID
Counties Adams County, ID, Boise County, ID, Camas County, ID, Elmore County, ID, Gem County, ID, Valley County, ID, Washington County, ID, Baker County, OR
The radar
The Boise radar (KCBX), 81 km from the middle of the area, began a volume at 11:27 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
Spokane, WA (KOTX), launched 00:00Z, 11.5 hours before the alert went out and 389 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 587 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boise, ID wrote its last area forecast discussion before this winter storm warning went out at Dec 19, 3:28 AM MST, 1 hour earlier.
Area forecast discussion, Dec 19, 3:28 AM MST, 1 hour before
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</html>The office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 4:28 AM MST | Winter Weather Advisory | BOI | Ada, Canyon, Elmore, Gem, Owyhee, Payette and 1 more | 34 hr |
Nearby
Winter Storm Warnings in Idaho, 2016Winter Storm Warnings in Oregon, 2016Every winter storm warning 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.