Alert archive / Oregon / High Surf Advisories in 2010

High Surf Advisory 9, NWS Medford, OR

March 9, 2010Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this high surf advisory at Mar 9, 2010, 3:15 AM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Mar 9, 2010, 10:00 PM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Mar 9, 2010, 3:15 AM PST (11:15 UTC)
In effect from
Mar 9, 2010, 10:00 PM PST
Expired
Mar 10, 2010, 4:00 PM PST
In force
18 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 11:15 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, 11.3 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2010-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2010-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
11 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1323 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 8, 6:52 PM PSTSmall Craft Advisory for WindsMFR8 hr
Mar 9, 3:56 AM PSTWinter Weather AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath24 hr
Mar 9, 9:11 AM PSTSmall Craft Advisory for WindsMFR4 hr
Mar 9, 9:11 AM PSTSmall Craft Advisory for Hazardous SeasMFR4 hr
Mar 9, 11:21 AM PSTWinter Storm WarningMFRCurry, Josephine16 hr

Nearby

High Surf Advisories in Oregon, 2010Every high surf advisory in 2010

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.