Weather Alert in Washington

Special Weather Statement issued July 29 at 7:16PM PDT by NWS Seattle WA

AREAS AFFECTED: San Juan County; Lowlands of Western Whatcom County; Lowlands of Western Skagit and Northwestern Snohomish Counties; Port Townsend Area; Eastern Strait of Juan de Fuca; Western Strait of Juan de Fuca; Northern Washington Coast; Grays Harbor County Coast; Island County

DESCRIPTION: ...TSUNAMI ADVISORY IS IN EFFECT... * LOCAL IMPACTS... A tsunami capable of producing strong currents that may be hazardous to swimmers, boats, and coastal structures is expected. Widespread inundation is NOT expected. * RECOMMENDED ACTIONS... If you are located in this coastal area, move off the beach and out of harbors and marinas. Do not go to the coast to watch the tsunami. Be alert to instructions from your local emergency officials * FORECAST TSUNAMI START TIMES... Neah Bay Washington 1140 PM PDT on Jul 29 Moclips Washington 1150 PM PDT on Jul 29 Westport Washington 1155 PM PDT on Jul 29 Port Angeles Washington 1220 AM PDT on Jul 30 Port Townsend Washington 1245 AM PDT on Jul 30 Bellingham Washington 0110 AM PDT on Jul 30 Tacoma Washington 0200 AM PDT on Jul 30 Tsunamis often arrive as a series of waves or surges which could be dangerous for many hours after the first wave arrival. The first tsunami wave or surge may not be the highest in the series. * FORECAST TSUNAMI DURATION... Moclips Washington 9 hrs * FORECAST PEAK TSUNAMI WAVE HEIGHTS... Neah Bay Washington less than 1 ft Moclips Washington 0.8 to 1.4 ft Westport Washington less than 1 ft Port Angeles Washington less than 1 ft Port Townsend Washington less than 1 ft Bellingham Washington less than 1 ft * PRELIMINARY EARTHQUAKE INFORMATION... An earthquake occurred with a preliminary magnitude of 8.7. * TIDE INFORMATION... Neah Bay...Low tide of 1.3 ft at 958 AM PDT on Jul 30. High tide of 6.9 ft at 438 PM PDT on Jul 30. La Push...Low tide of 0.9 ft at 943 AM PDT on Jul 30. High tide of 7.4 ft at 415 PM PDT on Jul 30. Westport...Low tide of 1.2 ft at 956 AM PDT on Jul 30. High tide of 8.0 ft at 435 PM PDT on Jul 30. Port Angeles...Low tide of 2.2 ft at 1153 AM PDT on Jul 30. High tide of 6.4 ft at 651 PM PDT on Jul 30. Port Townsend...Low tide of 2.8 ft at 118 PM PDT on Jul 30. High tide of 8.2 ft at 811 PM PDT on Jul 30. Friday Harbor...Low tide of 2.9 ft at 327 AM PDT on Jul 30. High tide of 7.4 ft at 853 PM PDT on Jul 30. This product will be updated as new information becomes available. Stay tuned to your local news source and NOAA weather radio for further information and updates.

INSTRUCTION: N/A

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Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Cirrocumulus Clouds Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

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Weather Topic: What are Cirrus Clouds?

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Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

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