Alert archive / Idaho / Flood Watches in 2020
Flood Watch 3, NWS Spokane, WA
NWS Spokane, WA issued this flood watch at Jun 27, 2020, 1:03 PM PDT for 4 counties in Idaho. It took effect at Jun 29, 2020, 11:00 AM PDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jun 27, 2020, 1:03 PM PDT (20:03 UTC)
- In effect from
- Jun 29, 2020, 11:00 AM PDT
- Expired
- Jun 28, 2020, 9:30 AM PDT
- In force
- Issued by
- NWS Spokane, WA
- Flood severity
- None
Counties Latah County, ID, Lewis County, ID, Nez Perce County, ID, Shoshone County, ID
The radar
The Spokane radar (KOTX), 142 km from the middle of the area, began a volume at 20:01 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 12:00Z, 8.1 hours before the alert went out and 113 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
- 2051 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before this flood watch went out at Jun 27, 11:43 AM PDT, 1 hour 20 minutes earlier.
Area forecast discussion, Jun 27, 11:43 AM PDT, 1 hour 20 minutes before
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</html>Hazardous weather outlook, Jun 27, 6:12 AM PDT, 6 hours 51 minutes before
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</html>The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 4:51 PM PDT | Special Weather Statement | OTX | Okanogan | 39 min |
Nearby
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.