Alert archive / Oregon / Frost Advisories in 2022
Frost Advisory 2, NWS Medford, OR
NWS Medford, OR issued this frost advisory at Mar 9, 2022, 1:31 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Mar 10, 2022, 2:00 AM PST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 9, 2022, 1:31 PM PST (21:31 UTC)
- In effect from
- Mar 10, 2022, 2:00 AM PST
- Expired
- Mar 10, 2022, 9:00 AM PST
- In force
- 7 hr
- Issued by
- NWS Medford, OR
Counties Coos County, OR, Curry County, OR, Douglas County, OR
The radar
The Medford radar (KMAX), 135 km from the middle of the area, began a volume at 21:32 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 9.5 hours before the alert went out and 108 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
- 1323 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 8:52 PM PST | Freeze Warning | MFR | Coos, Curry, Douglas | 36 hr |
Nearby
Frost Advisories in Oregon, 2022Every frost advisory 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.