Alert archive / Oregon / High Surf Warnings in 2012

High Surf Warning 8, NWS Medford, OR

December 15, 2012Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this high surf warning at Dec 15, 2012, 4:06 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Dec 16, 2012, 12:00 PM PST. It was in force for 10 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 15, 2012, 4:06 PM PST (00:06 UTC)
In effect from
Dec 16, 2012, 12:00 PM PST
Expired
Dec 16, 2012, 9:53 PM PST
In force
10 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 00:05 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.

What was reported inside it

TimeReportWhereRemark
Dec 16, 7:00 PM PSTHEAVY RAIN 1.18Ne Brookings, OR12 HOUR TOTAL.
Dec 16, 9:44 PM PSTNON-TSTM WND GST 50Winston, ORTREE REPORTED DOWN
Dec 16, 9:46 PM PSTNON-TSTM WND GST 351 Ene Roseburg, OR
Dec 16, 9:48 PM PSTNON-TSTM WND DMG1 Wnw Winston, ORSPOTTER REPORTS 2 TRANSFORMERS BLOWN AND LOSS OF POWER DUE TO GUSTY WINDS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 0.1 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 2012-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2012-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 293 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
704 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
293 m²/s²
0-3 km storm-relative helicity
678 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

738 
WHUS46 KMFR 160006
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
406 PM PST SAT DEC 15 2012

...STORM FORCE SOUTH WINDS TO GENERATE HIGH SURF SUNDAY AFTERNOON
AND EVENING...

.A COLD FRONT WILL PRODUCE SOUTH WINDS OF 40 TO 50 MPH WITH GUSTS
AS HIGH AS 75 MPH SUNDAY AFTERNOON INTO SUNDAY EVENING. THIS WILL
GENERATE HIGH SURF AT SOUTH FACING BEACHES AND PORTS. WINDS WILL
VEER TO WEST AND WEAKEN LATER SUNDAY NIGHT INTO MONDAY BUT
NORTHWEST SWELL WILL BECOME VERY LARGE AS IT BUILDS TO A PEAK MONDAY
AFTERNOON.


ORZ021-022-161200-
/O.NEW.KMFR.SU.W.0008.121216T2000Z-121217T0600Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
406 PM PST SAT DEC 15 2012

...HIGH SURF WARNING IN EFFECT FROM NOON TO 10 PM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A HIGH SURF
WARNING...WHICH IS IN EFFECT FROM NOON TO 10 PM PST SUNDAY. 

* WAVES AND SURF...SOUTH WIND WAVE DOMINATED SEAS WILL PRODUCE
  BREAKERS OF 20 TO 25 FEET SUNDAY AFTERNOON AND EVENING. SURF
  WILL DIMINISH ONLY SLIGHTLY LATER SUNDAY NIGHT BUT THE SOUTHERLY
  WAVES WILL TRANSITION TO NORTHWEST ON MONDAY.

* TIMING...SURF WILL RAPIDLY BUILD SUNDAY MORNING WITH THE HIGHEST
  BREAKERS EXPECTED DURING THE AFTERNOON AND EARLY EVENING. 

* IMPACTS...THE HIGH SURF WILL PRIMARILY AFFECT SOUTH FACING
  BEACHES AND PORTS...ESPECIALLY PORT ORFORD. CONDITIONS WILL BE
  ESPECIALLY HAZARDOUS DURING HIGH TIDE EARLY SUNDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVES
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
DW
3 follow-up statements
913 
WHUS46 KMFR 161155
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
355 AM PST SUN DEC 16 2012

...STORM FORCE SOUTH WINDS TO GENERATE HIGH SURF THIS AFTERNOON
AND EVENING...

.A COLD FRONT WILL PRODUCE SOUTH WINDS OF 40 TO 50 MPH WITH GUSTS
AS HIGH AS 75 MPH THIS AFTERNOON AND EVENING. THIS WILL GENERATE
HIGH SURF AT SOUTH FACING BEACHES AND PORTS. WINDS WILL VEER TO
WEST AND WEAKEN LATER TONIGHT INTO MONDAY BUT NORTHWEST SWELL WILL
BECOME VERY LARGE AS IT BUILDS TO A PEAK MONDAY AFTERNOON.

ORZ021-022-170000-
/O.CON.KMFR.SU.W.0008.121216T2000Z-121217T0600Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
355 AM PST SUN DEC 16 2012

...HIGH SURF WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM
PST THIS EVENING...

* WAVES AND SURF...SOUTH WIND WAVE DOMINATED SEAS WILL PRODUCE
  BREAKERS OF 20 TO 25 FEET THIS AFTERNOON AND EVENING. SURF WILL
  DIMINISH ONLY SLIGHTLY LATER TONIGHT BUT THE SOUTHERLY WAVES
  WILL TRANSITION TO NORTHWEST ON MONDAY.

* TIMING...SURF WILL RAPIDLY BUILD THIS MORNING WITH THE HIGHEST
  BREAKERS EXPECTED DURING THE AFTERNOON AND EARLY EVENING.

* IMPACTS...THE HIGH SURF WILL PRIMARILY AFFECT SOUTH FACING
  BEACHES AND PORTS...ESPECIALLY PORT ORFORD. CONDITIONS WILL BE
  ESPECIALLY HAZARDOUS DURING HIGH TIDE EARLY THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVES
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$

SPILDE
776 
WHUS46 KMFR 162317
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
317 PM PST SUN DEC 16 2012

...STORM FORCE SOUTH WINDS TO GENERATE HIGH SURF THROUGH THIS
EVENING...

.A COLD FRONT WILL PRODUCE SOUTH WINDS OF 40 TO 50 MPH WITH GUSTS
AS HIGH AS 75 MPH THROUGH THIS EVENING. THIS WILL GENERATE HIGH
SURF AT SOUTH FACING BEACHES AND PORTS. WINDS WILL VEER TO WEST
AND WEAKEN LATER TONIGHT INTO MONDAY BUT NORTHWEST SWELL WILL
BECOME VERY LARGE AS IT BUILDS TO A PEAK MONDAY MORNING BUT REMAINS
VERY LARGE THROUGH MONDAY AFTERNOON.

ORZ021-022-170600-
/O.CON.KMFR.SU.W.0008.000000T0000Z-121217T0600Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
317 PM PST SUN DEC 16 2012

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WAVES AND SURF...SOUTH WIND WAVE DOMINATED SEAS WILL PRODUCE
  BREAKERS OF 20 TO 25 FEET THROUGH THIS EVENING. THE SOUTHERLY
  WAVES WILL TRANSITION TO NORTHWEST LATE TONIGHT. A VERY LARGE
  NORTHWEST SWELL WILL BUILD TO A PEAK MONDAY MORNING WITH BREAKER
  HEIGHTS REMAINING AT 20 TO 25 FEET THROUGH MONDAY AFTERNOON. 

* TIMING...THE HIGHEST SOUTHERLY BREAKERS ARE EXPECTED EARLY THIS
  EVENING THEN SURF WILL REMAIN VERY LARGE BUT TRANSITION TO WESTERLY
  LATE TONIGHT AND NORTHWESTERLY ON MONDAY MORNING.

* IMPACTS...THE HIGH SURF THROUGH THIS EVENING WILL PRIMARILY
  AFFECT SOUTH FACING BEACHES AND PORTS...ESPECIALLY PORT ORFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVES
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

&&

$$
DW
653 
WHUS46 KMFR 170553
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
953 PM PST SUN DEC 16 2012

ORZ021-022-180000-
/O.CAN.KMFR.SU.W.0008.000000T0000Z-121217T0600Z/
/O.NEW.KMFR.SU.Y.0013.121217T0553Z-121218T0000Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
953 PM PST SUN DEC 16 2012

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM PST MONDAY...
...HIGH SURF WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM PST MONDAY. THE HIGH
SURF WARNING HAS BEEN CANCELLED. 

* WAVES AND SURF...AS WINDS BECOME MORE WESTERLY TONIGHT...HIGH
  SURF WILL BECOME DRIVEN BY AN INCREASING WEST SWELL. WEST SWELLS
  WILL BUILD THROUGH THE NIGHT AND PEAK MONDAY. THIS WILL CAUSE
  BREAKERS BETWEEN 20 AND 25 FEET TO CONTINUE. WAVES WILL
  DECREASE LATE MONDAY AFTERNOON AS SWELLS SUBSIDE.

* IMPACTS...THE HIGH SURF WILL CONTINUE TO AFFECT SOUTH FACING
  BEACHES THIS EVENING AND THEN TRANSITION TO WEST AND NORTHWEST
  FACING BEACHES OVERNIGHT AND MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

WRIGHT

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 5:07 PM PSTGale WarningMFR19 hr
Dec 15, 5:07 PM PSTHazardous Seas WarningMFR51 hr
Dec 15, 5:07 PM PSTSmall Craft Advisory for WindsMFR3 hr
Dec 15, 5:07 PM PSTStorm WarningMFR33 hr
Dec 15, 5:07 PM PSTSmall Craft Advisory for Hazardous SeasMFR15 hr
Dec 16, 3:29 AM PSTWind AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Lake31 hr
Dec 16, 3:05 PM PSTBlizzard WarningMFRDouglas, Jackson, Klamath19 hr
Dec 16, 3:05 PM PSTWinter Weather AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine45 hr

Nearby

High Surf Warnings in Oregon, 2012Every high surf warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.