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National Weather Service
Listing of EXPERIMENTAL Products
Product Name Brief Description Submitter Date Entered
Experimental Weather, Water, and Climate Information Podcasts Podcasts are produced through the use of Really Simple Syndication (RSS) feeds and industry-standard mp3 files created by the NOAA Weather Radio All Hazards (NWR) broadcast management system that can be distributed over the Internet using syndication feeds, for playback on mobile devices and personal computers, thus making NWS data and products available in Internet-accessible, vendor-neutral form. The Podcasts are not a replacement for NWR and do not offer the warning capability of NWR Specific Area Message Encoding or Warning Alarm Tone, but rather allow the user to download products for playback at a later time on their computer or portable mp3 player. Mike Szkil 2007-06-05
Experimental NHC Media Briefings : Videocasts For the 2012 Hurricane Season The National Hurricane Center (NHC) has entered into an agreement with Weather Decision Technologies (WDT), Inc. to provide internet protocol (ip) based audio and video streaming of its hourly hurricane briefings. The URL to the briefings will be posted on the NHC web site when the media pool is activated. Anyone with access to the internet and a web browser supporting audio and video can view the briefings broadcast from the NHC. Dennis Feltgen 2009-09-01
Experimental Mobile Decision Support Services(MDSS) Interactive NWS(iNWS) Warning Alert SMS Text and Email Messaging Services via Mobile Device Technologies The National Weather Service (NWS) is responsible for providing weather warnings and alerts in a timely and effective manner to support the protection of life and property. The NWS must provide this information to an increasingly mobile user community who are utilizing rapidly evolving technologies for accessing Internet content via mobile wireless devices. In response to this, the NWS is developing weather warning messaging services that leverage mobile device technologies such as Personal Digital Assistants (PDA) and cell phones, in order to better serve NWS core partners(see footnote 1). The NWS Western Region (WR) has developed a real-time, warning messaging service adapted to the unique characteristics of cellular phones and mobile devices. This service has been named Mobile Decision Support Services (MDSS) interactive NWS (iNWS). Users who subscribe can configure their user profile (via an interactive web page) to receive alerts for weather and environmental warnings, watches and advisories via Short Message Service (SMS) text messages or email, as they occur. This capability is provided on the MDSS (iNWS) webpage through an application called “iNWS Mobile Alerting”. “iNWS Mobile Alerting” provides the user the option to choose which class/classes of NWS products (hydrologic, marine, severe weather, etc.)to be alerted for. “iNWS Mobile Alerting” also allows the user to define specific alert areas by city, state, line or point and the recently adopted polygon for defining short fused NWS watches and warnings. SMS text and email alerts will only be sent to users when an alert falls within the user’s configured area of interest The SMS text and email alert provides a short headline and embedded hyperlink which the user can select to see additional multimedia information (including graphics and images relevant to the particular weather event). This additional information may include products currently available on the NWS Website or products generated specifically to support decision making by NWS core partners. MDSS (iNWS) services are provided via a web page Currently, only “iNWS Mobile Alerting” is being provided as an experimental service to NWS core partners in preparation for a decision on operational implementation. In future phases of this project in addition to the experimental service documented in this SDD, the web page may link to other mobile services that are already operational such as NWS web services via wireless technologies (see NWS web services via wireless technologies SDD) as well as additional experimental services. The national experimental MDSS (iNWS) SDD supersedes the regional experimental: NWS Warning Alert Messaging Services via Mobile Device Technologies SDD issued in November 2007. The regional experimental service was previously provided by NWS WR to the general public. In August 2009, the NWS approved a phased approach toward developing a standardized, baseline national mobile decision support service (see attached NWS Decision Memorandum, August, 2009) with the initial focus on NWS core partners. The experimental MDSS (iNWS) is now available as a national experimental service for NWS core partners only. 1 NWS core partners include (1) Members of the Emergency Management community at all levels of government;Federal, State, Local and tribal. Other members of this community include: safety and emergency personnel, from universities or other entities with large populations, whose roles are similar to the public safety officials. (2) Other government agencies: specific government partners NWS requires close coordination with, e.g. FAA officials (for NWS Center Weather Service Units) and water and land management officials (for NWS River Forecast Centers).(3) Members of the Electronic Media: parties who operate systems that routinely provide weather and water warning information rapidly to a significant part of the population served by the NWS. Andy Edman 2010-07-20
Experimental Enhanced Graphical Hazardous Weather Outlook (EHWO) The NWS core mission is to provide accurate and timely hazardous weather information for the protection of life and property. Although the textual Hazardous Weather Outlook (HWO) plays a vital role in supporting the NWS mission, effectively conveying hazardous weather information in a textual or narrative format can prove challenging to an increasingly diverse customer base. The EHWO is a decision support service that supports preparedness and response efforts prior to and during hazardous weather. In conjunction with the textual HWO, the clear and concise Internet-based EHWO graphics provides decision makers with convenient access to potential weather hazard information by graphically depicting the risk of multiple weather hazards out to seven days in the future. The Advanced Weather Interactive Processing System (AWIPS) Graphical Forecast Editor (GFE) produced EHWO packages multi-level color coded hazard graphics and text within a comprehensive web page suite. Further, weather hazards and thresholds are easily customized based on external customer needs for a particular office. Ultimately, workload is conserved through the use of existing local and national guidance GFE grids such as the Storm Prediction Center and the Hydrometeorological Prediction Centers, supporting a seamless office to office presentation. John Ferree 2010-11-18
Experimental SPC Probabilistic Day 3-8 Fire Weather Outlooks The SPC Probabilistic Day 3-8 Fire Weather Outlooks provide a daily probabilistic forecast of critical fire weather conditions for dry thunderstorms and/or strong winds combined with low relative humidity for the continental U.S. John Ferree 2011-04-12
Experimental PQR Model Spectrum Webpage This experimental web page originally developed at WFO Portland, OR (PQR) displays a “box and whisker” plot time series of statistical data that summarizes output from multiple numerical weather models in addition to the NWS forecast.This experimental web page will clearly show the uncertainty in the models (a good indicator of the possible outcomes) while at the same time being easy to understand. This service is meant to provide users the range of possibilities that exist in a forecast, not simply a single number that may be right or wrong. Users can use this web page to make a more informed decision based on the data presented, with the option to choose the NWS forecast if they feel uncomfortable with their interpretation of the data. Jonathan Wolfe 2011-04-15
Experimental Probability of Exceedance Forecast for Precipitation and Snowfall This service enhancement adds the probability of exceedance for specific rainfall amount thresholds (0.10, 0.25, 0.50 and 1.00 inch) and snowfall amount thresholds (0.1, 1, 3, 6 and 12 inches) to the list of selectable elements for display by the user. B. Purpose/Intended Use: Enhancement of the Hourly Weather Graph format to provide access to forecast probabilities for rainfall and snowfall exceeding specific thresholds. The NWS has historically provided the probability of precipitation (PoP) for 12 hour time periods which is the chance that the occurrence of rainfall will equal or exceed 0.01 inch or more at the selected location. This service enhancement provides the probability that rainfall or snowfall will exceed additional (higher) threshold amounts. Potential users of this enhancement would be in construction, agriculture, water management, outdoor planning, media, academia and the general public. For example, workers pouring concrete often need to know what is the chance of rainfall exceeding 0.10 inches, since rainfall above 0.10 would hamper or damage their work. Therefore, they would be able to display the probability of rainfall above the threshold of 0.10. John S. Eise 2012-02-17
Experimental Rayleigh Distribution in the NWS Coastal Waters Forecast Product Comment period extended to add more SR offices. WFOs Miami, San Juan, Houston, Brownsville, Jacksonville, Corpus Christi and Houston. This is an enhancement to the CWF product at WFO Miami (MFL) with the inclusion of additional wave height fields by implementing the theoretical Rayleigh Distribution. The inclusion of the average height of the highest 10%of waves observed at sea into the CWF product will provide a more descriptive and accurate assessment of the wave field expected for any particular time across a given marine zone. Melinda Bailey 2012-03-12
Experimental National Marine Weather Web Portal The National Marine Weather Web Portal is an experimental effort designed to provide a seamless suite of information to the marine community. This effort has grown out of an initial Eastern and Southern Regional led and NOAA IOOS sponsored/developed effort in 2006 in the Gulf of Mexico and Southeast and is now being expanded nationwide. David Soroka 2012-05-29
Experimental Revised Wave Terminology in the Coastal Waters Forecast Provide enhanced descriptions of the wave environment in the coastal waters. This will eliminate the terms “wind wave” and “swell” from the CWF and replace them with more descriptive wave systems. the enhanced wave terminology will introduce an overall sea state to every forecast period and provide a wave period for each significant wave system. Each forecast period will contain at minimum the overall sea height and a dominant period. At maximum given forecast periods will contain an overall sea height and its component wave systems and associated wave periods. At most, four wave systems could be listed. The old way of creating the CWF forces forecasters to arbitrarily break a combined sea state into swell and wind wave components using nomograms from the middle of the last century. Moving toward enhanced wave terminology allows the forecaster to detach from rules of the last century and leverage off of modern technology and establish a framework for utilization of future wave modeling advances. Brian Garcia 2012-06-26
Experimental RIDGE2 RIDGE2 displays radar data in a web mashup using a web mapping application-programming interface (API) in combination with global information system (GIS) imagery overlays in the form of web mapping services (WMS). John Ferree 2012-11-19
Experimental Nearshore Wave Prediction System Model Output The Nearshore Wave Prediction System (NWPS) wave model is run locally and used operationally at many coastal WFOs. NWPS output products include displays of winds, significant wave height and peak wave direction, and other wind, wave, and ocean parameters. These displays are now available on an experimental basis on the webpages of Southern Region Coastal WFOs and Southern Region Headquarters (SRH). Displays may become available at non-SR sites TBD. This high-resolution model can be used for operational forecasting and research. The NWPS output is used as guidance to produce marine forecasts at the coastal WFOs. The web pages are a convenient way for local users to view the same meteorological forecast data as the local forecaster. Richard May 2012-11-19
Experimental Tampa Bay Marine Channel Forecast Point forecast for 13 locations along the Tampa Bay channel designed to aid local mariners including emergency managers, United States Coast Guard, researchers (NOAA, universities, Florida Fish and Wildlife), Tampa Bay Harbor Pilots, towing or tug boat operators, recreational boaters, and any customer or partner with interest in the respective environmental data for Tampa Bay. A static Google Earth map displays the shipping channel in Tampa Bay along with 13 forecast points. Digital and high resolution model forecast data are used to produce the forecast for all points. Users may click on any point to view the latest information. Melinda Bailey 2012-12-05
Experimental Long Range River Flood Risk A national scale map with drill down capabilities on AHPS which routinely displays the long range (3-month) risk of minor, moderate and major river flooding for locations where probabilistic forecasts are produced. Mary Mullusky 2013-03-01

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