Alert archive / Oregon / High Surf Warnings in 2012

High Surf Warning 9, NWS Medford, OR

December 18, 2012Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this high surf warning at Dec 18, 2012, 2:51 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Dec 19, 2012, 10:00 AM PST. It was in force for 20 hr. 3 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 18, 2012, 2:51 PM PST (22:51 UTC)
In effect from
Dec 19, 2012, 10:00 AM PST
Expired
Dec 20, 2012, 6:00 AM PST
In force
20 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 22:49 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 19, 9:30 PM PSTNON-TSTM WND GST 592 Nne Langlois, ORPEAK GUST FROM LAST NIGHT.
Dec 20, 5:06 AM PSTHEAVY RAIN 1.93Ssw Gold Beach, OR24 HOUR AMOUNT
Dec 20, 5:44 AM PSTHEAVY RAIN 1.333 Sse Coos Bay, OR12 HOUR AMOUNT

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 12:00Z, 10.9 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 12:00Z on 2012-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2012-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
501 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
93 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.

246 
WHUS46 KMFR 182251
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
251 PM PST TUE DEC 18 2012

...STORM FORCE SOUTH WINDS EXPECTED TO GENERATE HIGH SURF AT SOUTH
FACING BEACHES AND PORTS LATE WEDNESDAY MORNING THROUGH EARLY
THURSDAY MORNING...

.VERY STRONG SOUTH WINDS WILL GENERATE VERY STEEP SOUTH WAVES
WHICH WILL BUILD WEDNESDAY MORNING, PEAK WEDNESDAY NIGHT AND
PERSIST THROUGH EARLY THURSDAY MORNING. LARGE BREAKING WAVES AND
HAZARDOUS CONDITIONS ARE EXPECTED IN THE SURF ZONE...ESPECIALLY AT
SOUTH FACING BEACHES AND PORTS.

ORZ021-022-191200-
/O.NEW.KMFR.SU.W.0009.121219T1800Z-121220T1200Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
251 PM PST TUE DEC 18 2012

...HIGH SURF WARNING IN EFFECT FROM 10 AM WEDNESDAY TO 4 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A HIGH SURF
WARNING...WHICH IS IN EFFECT FROM 10 AM WEDNESDAY TO 4 AM PST
THURSDAY. 

* WAVES AND SURF...WIND WAVES WILL BUILD WEDNESDAY MORNING AND
  AFTERNOON WITH BREAKERS IN THE SURF ZONE PEAKING AT 22 TO 27
  FEET WEDNESDAY NIGHT. THE HIGHEST SURF WILL BE AT SOUTH FACING
  BEACHES AND PORTS RESULTING IN VERY HAZARDOUS CONDITIONS AND RIP
  CURRENTS.

* TIMING...WAVES INCREASE WEDNESDAY MORNING...PEAK WEDNESDAY NIGHT
  THEN EASE THURSDAY MORNING.

* IMPACTS...SIGNIFICANT SHOALING COULD LEAD TO WATER IN THE
  PARKING LOT AT PORT ORFORD AND OTHER SOUTH FACING PORTS AND
  BEACHES. USE EXTRA CAUTION AT THE BEACHES AND STAY OFF JETTIES.
  CONDITIONS WILL BE ESPECIALLY DANGEROUS DURING HIGH TIDE...WHICH
  OCCURS BETWEEN 4 AND 5 PM PST WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SPILDE
4 follow-up statements
575 
WHUS46 KMFR 191150
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
350 AM PST WED DEC 19 2012

...STORM FORCE SOUTH WINDS EXPECTED TO GENERATE HIGH SURF AT
SOUTH FACING BEACHES AND PORTS LATE THIS MORNING THROUGH
EARLY THURSDAY MORNING...

.VERY STRONG SOUTH WINDS WILL GENERATE VERY STEEP SOUTH WAVES
WHICH WILL BUILD THIS MORNING...PEAK TONIGHT AND PERSIST THROUGH
EARLY THURSDAY MORNING. LARGE BREAKING WAVES AND HAZARDOUS
CONDITIONS ARE EXPECTED IN THE SURF ZONE...ESPECIALLY AT SOUTH
FACING BEACHES AND PORTS.

ORZ021-022-192000-
/O.CON.KMFR.SU.W.0009.121219T1800Z-121220T1200Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
350 AM PST WED DEC 19 2012

...HIGH SURF WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
4 AM PST THURSDAY...

* WAVES AND SURF...WIND WAVES WILL BUILD THIS MORNING AND 
  AFTERNOON WITH BREAKERS IN THE SURF ZONE PEAKING AT 22 TO 27 
  FEET WEDNESDAY NIGHT. THE HIGHEST SURF WILL BE AT SOUTH FACING 
  BEACHES AND PORTS RESULTING IN VERY HAZARDOUS CONDITIONS AND 
  RIP CURRENTS. 

* TIMING...WAVES INCREASE THIS MORNING...PEAK TONIGHT THEN EASE
  THURSDAY MORNING.

* IMPACTS...SIGNIFICANT SHOALING COULD LEAD TO WATER IN THE 
  PARKING LOT AT PORT ORFORD AND OTHER SOUTH FACING PORTS AND 
  BEACHES. USE EXTRA CAUTION AT THE BEACHES AND STAY OFF 
  JETTIES. CONDITIONS WILL BE ESPECIALLY DANGEROUS DURING HIGH 
  TIDE...WHICH OCCURS BETWEEN 4 AND 5 PM PST TODAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SK
435 
WHUS46 KMFR 191950
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
1150 AM PST WED DEC 19 2012

...STORM FORCE SOUTH WINDS EXPECTED TO GENERATE HIGH SURF AT
   SOUTH FACING BEACHES AND PORTS LATE THIS MORNING THROUGH EARLY
   THURSDAY MORNING...

.VERY STRONG SOUTH WINDS WILL GENERATE VERY STEEP SOUTH WAVES
WHICH WILL BUILD THIS AFTERNOON...PEAK TONIGHT AND PERSIST
THROUGH EARLY THURSDAY MORNING. LARGE BREAKING WAVES AND HAZARDOUS
CONDITIONS ARE EXPECTED IN THE SURF ZONE...ESPECIALLY AT SOUTH
FACING BEACHES AND PORTS.

ORZ021-022-201200-
/O.CON.KMFR.SU.W.0009.000000T0000Z-121220T1200Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
1150 AM PST WED DEC 19 2012

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY...

* WAVES AND SURF...WIND WAVES WILL BUILD THIS AFTERNOON WITH
  BREAKERS IN THE SURF ZONE PEAKING AT 22 TO 27 FEET WEDNESDAY
  NIGHT. THE HIGHEST SURF WILL BE AT SOUTH FACING BEACHES AND
  PORTS RESULTING IN VERY HAZARDOUS CONDITIONS AND RIP CURRENTS.

* TIMING...WAVES INCREASE THIS AFTERNOON...PEAK TONIGHT...THEN
  EASE THURSDAY MORNING.

* IMPACTS...SIGNIFICANT SHOALING COULD LEAD TO WATER IN THE
  PARKING LOT AT PORT ORFORD AND OTHER SOUTH FACING PORTS AND
  BEACHES. USE EXTRA CAUTION AT THE BEACHES AND STAY OFF JETTIES.
  CONDITIONS WILL BE ESPECIALLY DANGEROUS DURING HIGH TIDE...WHICH
  OCCURS BETWEEN 4 AND 5 PM PST TODAY.

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.

&&

$$

STOCKTON
569 
WHUS46 KMFR 201157
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
357 AM PST THU DEC 20 2012

...A LARGE NORTHWEST SWELL WILL IMPACT SOUTHERN OREGON BEACHES
TODAY INTO FRIDAY...

.WIND DRIVEN WAVES AFFECTING MAINLY SOUTH FACING BEACHES WILL
DIMINISH THIS MORNING BUT WILL BE REPLACED BY A LONG PERIOD
NORTHWEST SWELL. THIS SWELL WILL GENERATE LARGE BREAKERS AT
SOUTHERN OREGON BEACHES THROUGH TOMORROW.

ORZ021-022-210000-
/O.NEW.KMFR.SU.Y.0014.121220T1400Z-121222T0000Z/
/O.EXT.KMFR.SU.W.0009.000000T0000Z-121220T1400Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
357 AM PST THU DEC 20 2012

...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 AM PST EARLY THIS
MORNING...
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM PST EARLY THIS MORNING UNTIL
4 PM PST FRIDAY...

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

* WAVES AND SURF...LONG PERIOD NORTHWEST SWELL WILL INCREASE
  THROUGH THE MORNING...AND CONTINUE INTO FRIDAY. THE SWELL WILL
  GENERATE 20 TO 24 FOOT BREAKERS.

* TIMING...WAVES INCREASE THIS MORNING...PEAK FRIDAY
  MORNING...THEN DIMINISH FRIDAY AFTERNOON.

* IMPACTS...USE EXTRA CAUTION AT THE BEACHES...WATCH FOR SNEAKER
  WAVES...AND STAY OFF JETTIES. CONDITIONS WILL BE ESPECIALLY
  DANGEROUS DURING HIGH TIDE...WHICH OCCURS BETWEEN 7 AND 8 AM PST
  TODAY AND TOMORROW...AS WELL AS 7 PM PST THIS EVENING.

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.

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

&&

$$

SK
534 
WHUS46 KMFR 201401
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
601 AM PST THU DEC 20 2012


ORZ021-022-210215-
/O.EXP.KMFR.SU.W.0009.000000T0000Z-121220T1400Z/
/O.CON.KMFR.SU.Y.0014.000000T0000Z-121222T0000Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
601 AM PST THU DEC 20 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY...

* WAVES AND SURF...LONG PERIOD NORTHWEST SWELL WILL INCREASE 
  THROUGH THE MORNING...AND CONTINUE INTO FRIDAY. THE SWELL WILL 
  GENERATE 20 TO 24 FOOT BREAKERS. 

* TIMING...WAVES INCREASE THIS MORNING...PEAK FRIDAY MORNING... 
  THEN DIMINISH FRIDAY AFTERNOON. 

* IMPACTS...USE EXTRA CAUTION AT THE BEACHES...WATCH FOR SNEAKER 
  WAVES...AND STAY OFF JETTIES. CONDITIONS WILL BE ESPECIALLY 
  DANGEROUS DURING HIGH TIDE...WHICH OCCURS BETWEEN 7 AND 8 AM 
  PST TODAY AND TOMORROW...AS WELL AS 7 PM PST THIS EVENING. 

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.

&&

$$

SK

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 4:29 PM PSTGale WatchMFR11 hr
Dec 17, 4:29 PM PSTHazardous Seas WatchMFR11 hr
Dec 17, 4:29 PM PSTHazardous Seas WarningMFR4 hr
Dec 17, 4:29 PM PSTSmall Craft Advisory for WindsMFR11 hr
Dec 17, 8:35 PM PSTSmall Craft Advisory for Hazardous SeasMFR29 hr
Dec 18, 3:05 AM PSTGale WarningMFR31 hr
Dec 18, 3:05 AM PSTHazardous Seas WarningMFR4 days
Dec 18, 3:05 AM PSTStorm WatchMFR12 hr
Dec 18, 4:10 AM PSTHigh Wind WarningMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more63 hr
Dec 18, 1:10 PM PSTWind AdvisoryMFRJackson, Klamath54 hr
Dec 18, 2:30 PM PSTWinter Storm WarningMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more5 days
Dec 18, 2:30 PM PSTWinter Weather AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more4 days
Dec 18, 2:48 PM PSTStorm WarningMFR39 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.