Alert archive / Oregon / Beach Hazards Statements in 2017

Beach Hazards Statement 4, NWS Medford, OR

October 22, 2017Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this beach hazards statement at Oct 22, 2017, 1:46 PM PDT for Coos County, Curry County, Douglas County, Oregon. It took effect at Oct 23, 2017, 5:00 AM PDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Oct 22, 2017, 1:46 PM PDT (20:46 UTC)
In effect from
Oct 23, 2017, 5:00 AM PDT
Expired
Oct 23, 2017, 8:00 PM PDT
In force
15 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 20:47 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, 8.8 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 2017-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2017-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
877 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
451 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

284 
WHUS46 KMFR 222046
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
146 PM PDT SUN OCT 22 2017


ORZ021-022-231115-
/O.NEW.KMFR.BH.S.0004.171023T1200Z-171024T0000Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
146 PM PDT SUN OCT 22 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A BEACH
HAZARDS STATEMENT FOR SNEAKER WAVES...WHICH IS IN EFFECT FROM 
LATE TONIGHT THROUGH MONDAY AFTERNOON. 

* HAZARDS...INCOMING LONG PERIOD NORTHWEST SWELL WILL PRODUCE THE
  POTENTIAL FOR DANGEROUS SNEAKER WAVES. 

* TIMING...THE LARGEST THREAT FOR SNEAKER WAVES IS EXPECTED LATE
  TONIGHT THROUGH MONDAY AFTERNOON.

* LOCATIONS INCLUDE...ALL BEACHES ALONG THE CURRY, COOS, AND
  DOUGLAS COUNTY COASTS. 

* POTENTIAL IMPACTS...LARGE SNEAKER WAVES CAN ARRIVE SUDDENLY AND
  WITHOUT WARNING, PUSHING WATER VERY FAR UP THE BEACH AND
  SWEEPING PEOPLE OFF THEIR FEET AND INTO THE OCEAN, WHERE COLD
  AND DEEP WATER POSE A LIFE THREATENING RISK. THESE WAVES CAN
  ALSO LIFT AND MOVE LARGE LOGS AND DEBRIS, WHICH IN TURN CAN 
  CRUSH OR INJURE THOSE CAUGHT IN THE WATER. USE EXTRA CAUTION, 
  STAY AWAY FROM THE WATER, AND NEVER TURN YOUR BACK TO THE OCEAN.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTPS://WWW.WRH.NOAA.GOV/MFR/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP
CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS
CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION
SHOULD BE USED WHEN IN OR NEAR THE WATER. 

&&

$$

BPN
3 follow-up statements
764 
WHUS46 KMFR 230519
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
1019 PM PDT SUN OCT 22 2017

ORZ021-022-240000-
/O.CON.KMFR.BH.S.0004.171023T1200Z-171024T0000Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
1019 PM PDT SUN OCT 22 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM PDT MONDAY
THROUGH MONDAY AFTERNOON...

* HAZARDS...INCOMING LONG PERIOD NORTHWEST SWELL WILL PRODUCE 
  THE POTENTIAL FOR DANGEROUS SNEAKER WAVES. 

* TIMING...THE LARGEST THREAT FOR SNEAKER WAVES IS EXPECTED EARLY
  MONDAY MORNING THROUGH MONDAY AFTERNOON. 

* LOCATIONS INCLUDE...ALL BEACHES ALONG THE CURRY, COOS, AND 
  DOUGLAS COUNTY COASTS. 

* POTENTIAL IMPACTS...LARGE SNEAKER WAVES CAN ARRIVE SUDDENLY 
  AND WITHOUT WARNING, PUSHING WATER VERY FAR UP THE BEACH AND 
  SWEEPING PEOPLE OFF THEIR FEET AND INTO THE OCEAN, WHERE COLD 
  AND DEEP WATER POSE A LIFE THREATENING RISK. THESE WAVES CAN 
  ALSO LIFT AND MOVE LARGE LOGS AND DEBRIS, WHICH IN TURN CAN 
  CRUSH OR INJURE THOSE CAUGHT IN THE WATER. USE EXTRA CAUTION, 
  STAY AWAY FROM THE WATER, AND NEVER TURN YOUR BACK TO THE 
  OCEAN. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTPS://WWW.WRH.NOAA.GOV/MFR/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP
CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS
CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION
SHOULD BE USED WHEN IN OR NEAR THE WATER.

&&

$$
914 
WHUS46 KMFR 232147
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
247 PM PDT MON OCT 23 2017

ORZ021-022-240300-
/O.EXT.KMFR.BH.S.0004.000000T0000Z-171024T0300Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
247 PM PDT MON OCT 23 2017

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* HAZARDS...INCOMING LONG PERIOD NORTHWEST SWELL WILL PRODUCE 
  THE POTENTIAL FOR DANGEROUS SNEAKER WAVES. 

* TIMING...THE LARGEST THREAT FOR SNEAKER WAVES IS EXPECTED THIS 
  AFTERNOON BUT WILL CONTINUE INTO THIS EVENING. 

* LOCATIONS INCLUDE...ALL BEACHES ALONG THE CURRY, COOS, AND 
  DOUGLAS COUNTY COASTS. 

* POTENTIAL IMPACTS...LARGE SNEAKER WAVES CAN ARRIVE SUDDENLY 
  AND WITHOUT WARNING, PUSHING WATER VERY FAR UP THE BEACH AND 
  SWEEPING PEOPLE OFF THEIR FEET AND INTO THE OCEAN, WHERE COLD 
  AND DEEP WATER POSE A LIFE THREATENING RISK. THESE WAVES CAN 
  ALSO LIFT AND MOVE LARGE LOGS AND DEBRIS, WHICH IN TURN CAN 
  CRUSH OR INJURE THOSE CAUGHT IN THE WATER. USE EXTRA CAUTION, 
  STAY AWAY FROM THE WATER, AND NEVER TURN YOUR BACK TO THE 
  OCEAN. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTPS://WWW.WRH.NOAA.GOV/MFR/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP
CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS
CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION
SHOULD BE USED WHEN IN OR NEAR THE WATER.

&&

$$

CC
989 
WHUS46 KMFR 240255
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
755 PM PDT MON OCT 23 2017

ORZ021-022-240400-
/O.EXP.KMFR.BH.S.0004.000000T0000Z-171024T0300Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
755 PM PDT MON OCT 23 2017

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 8 PM PDT THIS EVENING...

* THE CONDITIONS FAVORABLE FOR PROMOTING SNEAKER WAVES HAVE BEEN 
  DIMINISHING, BUT IT IS STILL A GOOD IDEA TO STAY OFF JETTIES AND
  NEVER TURN YOUR BACK TO THE OCEAN.

* VIEW THE HAZARD AREA IN DETAIL AT  
HTTPS://WWW.WRH.NOAA.GOV/MFR/HAZARD

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 2:40 PM PDTSmall Craft AdvisoryMFR4 days

Nearby

Beach Hazards Statements in Oregon, 2017Every beach hazards statement in 2017

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.