Alert archive / Oregon / Red Flag Warnings in 2022
Red Flag Warning 18, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Aug 10, 2022, 1:24 PM PDT for Klamath County, Lake County, Oregon; Modoc County, Siskiyou County, California. It took effect at Aug 11, 2022, 2:00 PM PDT. It was in force for 7 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
- Aug 10, 2022, 1:24 PM PDT (20:24 UTC)
- In effect from
- Aug 11, 2022, 2:00 PM PDT
- Expired
- Aug 11, 2022, 9:00 PM PDT
- In force
- 7 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Siskiyou County, CA, Klamath County, OR, Lake County, OR
The radar
The Medford radar (KMAX), 115 km from the middle of the area, began a volume at 20:25 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
Reno, NV (KREV), launched 12:00Z, 8.4 hours before the alert went out and 390 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
- 7 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1376 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Medford, OR wrote its last area forecast discussion before this red flag warning went out at Aug 10, 10:50 AM PDT, 2 hours 34 minutes earlier.
Area forecast discussion, Aug 10, 10:50 AM PDT, 2 hours 34 minutes before
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</html>The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:14 PM PDT | Special Weather Statement | MFR | 46 min | |
| Aug 9, 7:29 PM PDT | Special Weather Statement | MFR | Lake | 31 min |
| Aug 9, 7:53 PM PDT | Severe Thunderstorm Warning | MFR | Lake | 37 min |
| Aug 9, 8:32 PM PDT | Special Weather Statement | MFR | Lake | 13 min |
| Aug 9, 9:12 PM PDT | Red Flag Warning | MFR | Harney, Klamath, Lake | 24 hr |
| Aug 9, 10:34 PM PDT | Special Marine Warning | MFR | 26 min | |
| Aug 10, 3:15 AM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 10 hr |
Nearby
Red Flag Warnings in Oregon, 2022Red Flag Warnings in California, 2022Every red flag warning in 2022
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.