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‘Neutral’ Conditions are around average SSTs El Niño vs La Niña.

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Presentation on theme: "‘Neutral’ Conditions are around average SSTs El Niño vs La Niña."— Presentation transcript:

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2 ‘Neutral’ Conditions are around average SSTs El Niño vs La Niña

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4 Niño Indices: Historical Evolution

5 Niño Indices: Recent Evolution Transition from La Nina to El Nino early last summer Weak El Nino to Neutral conditions persisting the last several months

6 Neutral conditions are present across the eastern equatorial PacificNeutral conditions are present across the eastern equatorial Pacific Sea surface temperatures (SST) about 0.4 degree above average Sea surface temperatures (SST) about 0.4 degree above average SSTs are showing a moderating or slowing trend right now SSTs are showing a moderating or slowing trend right now Tropical Pacific Status

7 Consensus ENSO Forecast

8 Bottom Line… Instead, Neutral to very weak El Nino conditions expected Instead, Neutral to very weak El Nino conditions expected El Nino watch has been…

9 ENSO & Spokane Snowfall

10 Seasonal Snowfall 35.2” as of February 12 Average approximately another 10” mid February through April 3 out of the last 4 years measured at least 12” in March and April

11 Full Season Temperature Outlooks Feb/Mar/Apr Mar/Apr/May

12 Full Season Precipitation Outlooks Feb/Mar/Apr Mar/Apr/May

13 8-14 Day Outlook (Feb 21-27) Temperature Precipitation

14 NWS Resources: Insuring Decision Makers Know How to Get the Information They Need

15 NWS Spokane Webpage: Point and Click Forecast Map

16 HazardousWeatherOutlook A more general description of potential weather hazards (Especially Days 2-7)

17 Winter Weather Advisory Detailed Highlight What When Where Impacts

18 Used to convey rapidly evolving hazards Heavy snow bands Dense fog Thunderstorms Short Term Forecast (NOW Cast)

19 weather.gov/spokane Interactive map highlighting exactly where the hazards/impacts are expectedResources: Detailed Hazards

20 Weather Story Event driven Highlight the expected impacts All hazards (severe weather, flooding, pattern changes, etc)

21 All NWS Forecast Offices have Facebook, Twitter, and now Youtube! All NWS Forecast Offices have Facebook, Twitter, and now Youtube! Follow, Like, and Subscribe for the latest information. Follow, Like, and Subscribe for the latest information. National Weather Service Spokane @NWSSpokane NWS Spokane Stay in Touch!

22 Communication between Forecaster and Decision Makers Convey Forecast Confidence Discuss Potential Impacts Ask Questions Human Element Advantages of Briefings

23 Forecasts Can Change Quickly. Tough to Address the Needs of Everyone. Limitations of Briefings

24 nwschat.weather.gov You can always contact us at 509-244-0537 *unlisted number only for our core partners * NWS Chat

25 Direct Line of Communication with Forecasters. Available 24/7. Can be monitored for questions asked by neighboring districts. NWS Chat Advantages

26 Passwords change -- 180 days. Long periods of quiet weather cause loss of chat momentum. NWS Chat Disadvantages

27 Ways to Improve Our Service

28 Survey We Need YOUR Help! NWS Wants Your Comments on a Proposed Alternative to Simplify Winter Hazard Headlines nws.weather.gov/haz_simp/ “THE NWS HAS ISSUED A __________ WATCH” W ill be converted to… “THE NWS FORECASTS THE POTENTIAL FOR ______ “


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