Alert archive / Oregon / Frost Advisories in 2016
Frost Advisory 14, NWS Medford, OR
NWS Medford, OR issued this frost advisory at Dec 12, 2016, 4:56 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Dec 13, 2016, 3:00 AM PST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Dec 12, 2016, 4:56 PM PST (00:56 UTC)
- In effect from
- Dec 13, 2016, 3:00 AM PST
- Expired
- Dec 13, 2016, 9:00 AM PST
- In force
- 6 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 01:00 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 00:00Z, 0.9 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
- 961 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost advisory 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 frost advisory went out at Dec 12, 1:00 PM PST, 3 hours 56 minutes earlier.
Area forecast discussion, Dec 12, 1:00 PM PST, 3 hours 56 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 |
|---|---|---|---|---|
| Dec 12, 6:56 PM PST | Gale Watch | MFR | 20 hr | |
| Dec 13, 3:19 AM PST | High Wind Watch | MFR | Klamath, Lake | 10 hr |
| Dec 13, 1:42 PM PST | High Wind Warning | MFR | Klamath, Lake | 41 hr |
| Dec 13, 1:42 PM PST | Wind Advisory | MFR | Klamath, Lake | 41 hr |
| Dec 13, 2:43 PM PST | Winter Storm Warning | MFR | Douglas, Jackson, Josephine, Klamath, Lake | 25 hr |
| Dec 13, 2:43 PM PST | Winter Weather Advisory | MFR | Douglas, Jackson, Josephine, Klamath, Lake | 19 hr |
| Dec 13, 3:08 PM PST | Small Craft Advisory | MFR | 31 hr | |
| Dec 13, 3:08 PM PST | Small Craft Advisory for Hazardous Seas | MFR | 24 hr | |
| Dec 13, 3:30 PM PST | Flood Watch | MFR | Coos, Curry, Douglas, Jackson, Josephine, Klamath | 51 hr |
| Dec 13, 3:30 PM PST | Flood Watch | MFR | Modoc, Siskiyou | 55 hr |
Nearby
Frost Advisories in Oregon, 2016Every frost advisory 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.