Alert archive / Washington / River Flood Advisories in 2011
River Flood Advisory 5, NWS Seattle, WA
NWS Seattle, WA issued this river flood advisory at Mar 11, 2011, 4:46 AM PST for Mason County, Washington. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Mar 11, 2011, 4:46 AM PST (12:46 UTC)
- Expired
- Mar 12, 2011, 4:44 AM PST
- In force
- 24 hr
- Issued by
- NWS Seattle, WA
County Mason County, WA
The river
Written for the forecast point Skokomish River near Potlatch (SRPW1).
- Action stage
- 15 ft
- Minor stage
- 16.5 ft
- Moderate stage
- 17.5 ft
- Major stage
- 18 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 12061500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Seattle, WA wrote its last area forecast discussion before this river flood advisory went out at Mar 11, 3:25 AM PST, 1 hour 21 minutes earlier.
Area forecast discussion, Mar 11, 3:25 AM PST, 1 hour 21 minutes before
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Special weather statement, Mar 11, 12:23 AM PST, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SEATTLE WA 1223 AM PST FRI MAR 11 2011 WAZ516-517-111030- NORTH COAST-CENTRAL COAST- 1223 AM PST FRI MAR 11 2011 ...A TSUNAMI WATCH IS IN EFFECT FOR THE NORTHERN AND CENTRAL WASHINGTON COAST... THE NATIONAL WEATHER SERVICE HAS ISSUED A TSUNAMI WATCH FOR THE NORTHERN AND CENTRAL WASHINGTON COAST. AT 946 PM PST THURSDAY... A LARGE EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.9 WAS DETECTED NEAR THE EAST COAST OF JONSHU JAPAN. THE ARRIVAL TIME FOR THE INITIAL WAVE ON THE WASHINGTON COAST IS EXPECTED AROUND 705 AM PST FRIDAY. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THIS EVENT...AND WILL UPDATE THIS STATEMENT AS CONDITIONS WARRANT. WWW.WEATHER.GOV
Special weather statement, Mar 11, 1:02 AM PST, 3 hours 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SEATTLE WA 102 AM PST FRI MAR 11 2011 WAZ516-517-111115- NORTH COAST-CENTRAL COAST- 102 AM PST FRI MAR 11 2011 ...A TSUNAMI ADVISORY IS IN EFFECT FOR THE NORTHERN AND CENTRAL WASHINGTON COAST... THE NATIONAL WEATHER SERVICE HAS ISSUED A TSUNAMI ADVISORY FOR THE NORTHERN AND CENTRAL WASHINGTON COAST. AT 946 PM PST THURSDAY... A LARGE EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.9 WAS DETECTED NEAR THE EAST COAST OF HONSHU JAPAN. WAVES OF ABOUT A HALF TO ONE FOOT ARE EXPECTED TO REACH THE COAST AROUND 7 AM PST FRIDAY...AND ARE NOT ANTICIPATED TO LEAD TO COASTAL FLOODING. HOWEVER SOME AREAS COULD EXPERIENCE DANGEROUS CURRENTS AND SURGES IN HARBORS OR BAYS. THE MINIMUM WAVE HEIGHT FOR A TSUNAMI ADVISORY ON THE WASHINGTON COAST IS 6 INCHES OR 15 CENTIMETERS. THE INITIAL WAVE MAY NOT BE THE LARGEST. COASTAL RESIDENTS ARE ADVISED TO STAY OUT OF THE WATER...OFF THE BEACH...AND AWAY FROM HARBORS AND MARINAS. WAVE HEIGHTS AND CURRENTS ARE AMPLIFIED BY IRREGULAR SHORELINE AND ARE DIFFICULT TO PREDICT. THE TSUNAMI MAY NOT BE VISIBLE AMONG THE COMMON OCEAN SURF....YET TIDE GAGES WILL LIKELY REPORT SOME FLUCTUATIONS. MARINERS IN WATER DEEPER THAN 600 FEET SHOULD NOT BE AFFECTED BY A TSUNAMI. REPEAT...A TSUNAMI ADVISORY IS IN EFFECT FOR THE WASHINGTON COAST. WWW.WEATHER.GOV
Special weather statement, Mar 11, 2:29 AM PST, 2 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SEATTLE WA 229 AM PST FRI MAR 11 2011 WAZ001-503-506-510-514>517-111230- SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA- WESTERN STRAIT OF JUAN DE FUCA-NORTH COAST-CENTRAL COAST- 229 AM PST FRI MAR 11 2011 ...A TSUNAMI ADVISORY IS IN EFFECT FOR THE COAST AND THE LAND AREAS ADJACENT TO THE STRAIT OF JUAN DE FUCA AND THE NORTHERN INLAND WATERS... A TSUNAMI ADVISORY IS IN EFFECT FOR THE ENTIRE WASHINGTON COAST AS WELL AS THE STRAIT OF JUAN DE FUCA...ADMIRALTY INLET AREA...AND THE SAN JUANS. AT 946 PM PST THURSDAY...A LARGE EARTHQUAKE WITH A MAGNITUDE OF 8.9 WAS OCCURRED NEAR THE EAST COAST OF HONSHU JAPAN. THIS POWERFUL EARTHQUAKE GENERATED A TSUNAMI THAT WAS MOVING ACROSS THE PACIFIC OCEAN. THE FOLLOWING ARE THE ESTIMATED ARRIVAL TIMES FOR THE INITIAL WAVE. NEAH BAY...710 AM PST. WESTPORT...725 AM PST. THE FOLLOWING ARE ESTIMATED WAVE AMPLITUDES. MOCLIPS...3.3 FEET. LONG BEACH...1.3 FEET. WESTPORT...1.3 FEET. NEAH BAY...1.1 FEET. BELLINGHAM...0.9 FEET. PORT ANGELES...0.8 FEET. REPEAT...A TSUNAMI ADVISORY IS IN EFFECT FOR THE COAST AND THE LAND AREAS ADJACENT TO THE STRAIT OF JUAN DE FUCA AND THE NORTHERN INLAND WATERS. ALTHOUGH THE WAVES ARE NOT ANTICIPATED TO LEAD TO COASTAL FLOODING...SOME AREAS COULD EXPERIENCE DANGEROUS CURRENTS AND SURGES IN HARBORS OR BAYS. THE MINIMUM WAVE HEIGHT FOR A TSUNAMI ADVISORY IS 6 INCHES OR 15 CENTIMETERS. THE INITIAL WAVE MAY NOT BE THE LARGEST. COASTAL RESIDENTS ARE ADVISED TO STAY OUT OF THE WATER...OFF THE BEACH...AND AWAY FROM HARBORS AND MARINAS. WAVE HEIGHTS AND CURRENTS ARE AMPLIFIED BY IRREGULAR SHORELINE AND ARE DIFFICULT TO PREDICT. THE TSUNAMI MAY NOT BE VISIBLE AMONG THE COMMON OCEAN SURF...YET TIDE GAGES WILL LIKELY REPORT SOME FLUCTUATIONS. MARINERS IN WATER DEEPER THAN 600 FEET SHOULD NOT BE AFFECTED BY A TSUNAMI. WWW.WEATHER.GOV
Special weather statement, Mar 11, 4:24 AM PST, 22 minutes before
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</html>The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 6:25 PM PST | River Flood Warning | SEW | Thurston | 31 hr |
| Mar 10, 9:10 PM PST | Gale Watch | SEW | 12 hr | |
| Mar 10, 9:10 PM PST | Small Craft Advisory | SEW | 53 hr | |
| Mar 11, 2:37 AM PST | Gale Warning | SEW | 31 hr |
Nearby
River Flood Advisories in Washington, 2011Every river flood advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.