WYDOT – NWS – DayWeather, Inc. June 30, 2015 Photo Credit: Jeff Garmon, 2014.
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Transcript of WYDOT – NWS – DayWeather, Inc. June 30, 2015 Photo Credit: Jeff Garmon, 2014.
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PathfinderA Wyoming SummaryWYDOT – NWS – DayWeather, Inc.June 30, 2015
Photo Credit: Jeff Garmon, 2014
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Parties Involved
WYDOT
National Weather Service Cheyenne, Riverton, Salt Lake City,
Rapid City, Billings
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Before Pathfinder
Cooperative relationship WYDOT DayWeather NWS
Working together was often disjointed because there were misunderstandings, lack of knowledge of end-goals
Tended to be slightly more reactive
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During Pathfinder
Improved relationship Improvement to communication
More consistent, more action-oriented
Highlighted impacts Coordinated statements
Pathfinder helped build structure and an organized path of communication between all
parties involved.
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Strategy & Process
1. Start conversation on NWS-chat (all parties)
2. Discussion of Three Main Items:▪ High impact potential▪ Location of potential impact▪ Timing of potential impact
3. Conference call to discuss further if necessary
4. Come to general agreement of main items5. Disseminate information to public (WYDOT)
GOAL: At least 24 hours before storm
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Giving Information to the Public
NWSText products
Graphical productsSocial Media
WYDOTDynamic Message SignsHighway Advisory RadiosEmail Subscription Alerts
BEFORE expected weather event
DMS updated withForecasted message(impact + timing)
NWS Warningissued
DMS updated withWarning + impact + updated time-frame
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Form created for WYDOT TMC to
disseminate information accurately
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Christmas Day Storm 2014
December 24 – 26, 2014
Image from NWS CYS
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Snow Accumulation
Strong Winds
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Christmas Day Storm 2014
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Christmas Day Storm 2014
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Christmas Day Storm 2014
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February 4-5, 2015
Weather concerns: Strong winds, blowing & drifting snow, slick road conditions
Increased travel expected at night Cheyenne to Laramie to Fort Collins CSU/Wyo. basketball game in Laramie,
WY February 4th evening
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NWS Jeff Garmon:We will likely issue a statement later today for travel conditions late tonight along I-80. Will also hit harder on Facebook/Twitter as we get into late afternoon along I-80 corridor….and point them to the wyoroad.info website
WYDOT Met Julie:…I’m going to give TMC a message to put up [on DMS signs] when there is space. Thinking…”Blowing Snow Expected Tonight Through Thursday 10 AM”. Do you have a more detailed time-frame suggestion? …conditions on 287 will stay snowy/icy, blowing snow probably not as big a concern as on I-80.
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February 4-5, 2015
DMS signs updated February 3rd
WINTER WEATHER HAZARDOUS CONDITIONS WED 12 AM – THUR 8 AM
I-80 Cheyenne to Laramie
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February 4-5, 2015
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April 16-17, 2015
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April 16-17, 2015
Previous night closure on I-80 created backup
Larger storm system moved in faster than expected (10-11am band of snow)
More traffic than normal Thursday morning 33% increase (based on WYDOT traffic counts)
Pileup resulted from early snowfall (11am) long-term closure of I-80
Smaller weather disturbance expected before larger storm
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Wed, April 15, 2015Discussion started.
The thinking was….
Weaker snow event night of 15th
(Winter Weather Advisory)
Low-level warming possible in between
Larger snow event night of 16th-17th
(Winter Storm Warning)
Pathfinder messaging to target larger event
April 16-17, 2015
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Thurs, April 16, 2015Discussion continued.
Late-morning band of snow createdproblems on I-80 (pileup situation).
Prevented any low-level warming
Conference call to discuss afternoon/next-day impacts.
April 16-17, 2015
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Pathfinder In-Action Improvments
Improved communication throughout season Smaller parties (Rapid City WFO, Iteris)
Better understanding of NWS & WYDOT needs and end-goals for public information NWS traffic volume data, communication with/TMC WYDOT effective messaging (timing, DMS, HARs)
First time WYDOT has displayed forecast information to the public (DMS, email, radio)
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Commuter Response to Pathfinder
Pre-storm messaging DMS positive results
Traffic analysis to focus on long-term trends
Variables Unique to Wyoming 80% + traffic is commercial, low %
commuters
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Challenges & Improvements
Slick/blowing snow in-between storms Difficult to get pre-storm messaging on signs
Smaller storms prior to larger storms Small weather disturbances can be deceiving April 15-17 (example of this) Combined effort of weather enterprise▪ Forecasts, road weather impacts, traffic data
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Challenges & Improvements Involving TMC in communication w/NWS
Phone call? NWSchat?
Timing of Information Focus messages during pre-commute hours
Involving WDOT PIO’s (press releases)
WYDOT Survey Target on commuters and truckers?
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Pathfinder - Next Steps
Keeping Pathfinder-practice all year long
Sharing of more information (traffic, etc.)
Re-arranging schedules for improved DMS message timing
Formal after-storm “pow-wow”
Better understanding of how truckers receive and use weather information
Expansion within WY & east?
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Pathfinder – Next Steps
Down the road…
Better way to advertise where to get road weather information in states?
More formalized daily communication on overnight shift to set stage for day