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National Weather Service
Report - listing of Operational Products in database, sorted by product name.
Product Name Brief Description     Click Here for "Printable" version of this list.
Climate Diagnostics BulletinThe Climate Prediction Center (CPC) issues this monthly report on the status of the ocean-atmosphere climate system in the tropics and extratropics.
Coastal Waters Forecast ProductProvides marine weather information over the coastal waters - generally from the coastline out to between 20 and 60 miles from the coastline
Coastal/Lakeshore Flood Statement/Watch/WarningThe suite of products provides the public with statements, watches, and warnings of significant coastal/lakeshore flooding events.
Coded Marine ForecastProvides an abbreviated version of the Coastal Waters Forecast
Cold Advisory for Newborn Livestock (CANL) GraphicIn the winter of 2008-2009,NWS Glasgow ran this system. Due to significant livestock losses in other areas of the high plains during the winter of 2008-2009, additional NWS offices joined the experimental test period for the 2009-2010,2010-2011,and 2011-12 winter seasons including: WFO Aberdeen, SD WFO Billings, MT WFO Bismarck, ND WFO Glasgow, MT WFO Great Falls, MT WFO Pocatello, ID WFO Pendleton, OR Durint the 2011-2012 experimental test period, NWS surveyed other entities in the weather enterprise for their interest in providing this type of service to the livestock industry.
Collaborative Convective Forecast ProductThe Collaborative Convective Forecast Product (CCFP) is a graphical representation of expected convective occurrence at 2-, 4-, and 6-hours after issuance time. Convection is defined as a polygon of at least 3,000 square miles with coverage of at least 25% with echoes of at least 40 dbZ composite reflectivity and at least one echo top of 25,000 feet or greater. CCFP covers the contiguous 48 states and portions of Ontario and Quebec south of 48 degrees north latitude.
Collaborative Surf ProductSurf is the number one weather-related killer in Hawaii. More lives are lost to surf-related accidents every year in Hawaii than any other weather event. Between 1993 to 1997, 238 ocean drownings occurred and 473 people were hospitalized for ocean-related spine injuries, with 77 directly caused by breaking waves. This is a serious safety problem. The National Weather Service (NWS) Weather Forecast Office (WFO) in Honolulu wants to better serve the citizens of Hawaii and visitors to the islands who may not be familiar with ocean conditions. An evolving Collaborative Nearshore Swell and Wind Forecast for Oahu and improved web page will incorporate educational tools and forecast explanations for all levels of ocean-going customers. The collaborative nearshore swell and wind forecast will be disseminated to the public via the world wide web and other NWS dissemination methods, including the Family of Services and NOAA Weather Wire.
Convective SIGMETConvective Significant Meteorological Advisories (WST) is a text product describing the occurrence or expected occurrence of thunderstorms and related phenomena over the conterminous United States and adjacent coastal waters within 2 hours of issuance tim
Cook Inlet Sea Ice AnalysisAids ships navigating the ice-covered waters of Cook Inlet and into the Port of Anchorage
Crop Moisture Index.The Climate Prediction Center?s (CPC) and U.S. Department of Agriculture?s Joint Agricultural Weather Facility (JAWF) produces the Crop Moisture Index chart. The index indicates short term conditions.
Crosswind Calculator AidThe Crosswind Decision Aid is color-coded according to the degree of impact the wind will have on various runways green indicating little or no impact; yellow indicating marginal impact; and red indicating significant impact. Each color level is triggered based on a user-defined wind direction and wind speed threshold. The product also includes a Wet Runway/IFR factor that effectively lowers the crosswind speed thresholds.
Current Icing Product (CIP) SeverityThe Current Icing Product (CIP) is an automatically-generated index suitable for depicting areas of potentially hazardous airframe icing. This version of the CIP was updated in December 2006. The original CIP was implemented in 2002. The CIP algorithm is rooted in cloud physics principles that have been applied in the practical forecasting of icing probability and severity using research aircraft for nearly a decade. These principles and the resulting methods have also been applied to studies of icing incidents and accidents, as well as daily assessment of icing environments associated with icing pilot reports (PIREPs) over the United States and Canada at all times of the year.
D Region Absorption Prediction, Release 2The D-Region Absorption Prediction, Release 2 (D-RAP2) product provides a suite of graphic and text information about the global High Frequency (HF) radio propagation conditions related to the state of the ionosphere’s D-region. D-RAP2 will be web based ( and is an enhancement of the current D Region Absorption Prediction product ( D-RAP2 fills a void that exists in the current product by providing absorption information due to energetic proton precipitation at high latitudes. The web site provides: o A main page containing a global map of the highest HF frequencies affected by a 1dB attenuation, estimated recovery times, and links to subordinate pages. o Subordinate pages containing: north and south polar maps of the highest frequencies affected by a 10dB attenuation, and ASCII tabular values of total absorption at 10 MHz. o DRAP2 is updated every minute SWPC data and products are designed to provide accurate and real-time space weather information for the safety and benefit of our customers
Day 4-8 Severe Weather Outlook GuidanceThe Day 4-8 Severe Weather Outlook product will consist of one graphic with an area (s) where severe weather is anticipated during the period. The severe weather threat areas will be depicted with a closed line and a label indicating the dates of the expected threat. A short 2-4 sentence paragraph will accompany the graphic to briefly describe the area depicted and occasionally describe the key reasons for the forecast. The forecast decision will be based on a variety of guidance information including the GFS, UKMET and ECMWF deterministic models, Medium Range (MREF) ensemble guidance and other statistical techniques.
Digital Wind and Wave Forecasts on Inland Lakes and ReservoirsWind and wave digital forecasts on inland lakes and reservoirs in text and graphical forecasts on the WFO web page. Wind and wave forecasts created within the GFE using the NOAA/GLERL wind/wave model.WInd wave forecasts for the lakes are produced using forecaster derived data.
Dry Lightning Potential IndexThe Dry Lightning Potential Index (DLPI) is a graphical product produced by forecasters at WFO Las Vegas (VEF) using GFE/IFPS. Ratings of Dry Lightning potential (numbered from 0 through 6) for the next three days (today, tomorrow and the next day) are calculated using forecasts of boundary layer relative humidity and static stability. The DLPI is intended to be used as general guidance, primarily for planning purposes. The DLPI is intended as a seasonal product, issued from June through October, when active wildfires are most likely to occur in our forecast area
Eastern Pacific Hurricane Season OutlookThe Climate Prediction Center (CPC) issues the Hurricane Outlook for the eastern Pacific east of 140? West. No outlook, however, can give certainty as to whether or not a particular locality will be impacted by a tropical storm or hurricane in any given year. CPC issues this outlook in cooperation with the Tropical Prediction Center and NOAA?s Hurricane Research Division.
Eastern Region National Digital Forecast Database (NDFD) Graphic Forecast DisplaysThe National Oceanic and Atmospheric Administration (NOAA) National Weather Service (NWS) National Digital Forecast Database (NDFD) Graphic Forecast Displays ( ccc is the WFO ID, are web-based presentations of digital forecast data originating from local Weather Forecast Office (WFO) digital databases. The data is displayed in a graphical form on a local scale.
El Nino/Southern Oscillation (ENSO) Diagnostic DiscussionThe Climate Prediction Center (CPC) issues this monthly bulletin to provide insight into climate outlooks by reviewing the potential effects of the ENSO.
Enhanced Product addition of Max Wind-Hail Size Coding Tag for Severe Thunderstorm Warnings and associated follow up staThe Central Region Severe Thunderstorm Warning (CR SVR) is an alphanumeric product providing short-fused warning in¬formation on hazardous conditions associated with thunderstorms which are expected to pose a threat to life and/or real property. This product is prepared by each National Weather Service (NWS) Weather Forecast Office (WFO) for their County Warning Area (CWA) of responsibility. Integrated Warning Team workshops, as well as several societal impacts groups, have indicated a desire by many emergency managers for a concise tag line on the end of the SVR product identifying maximum hail size and wind speeds expected for a given SVR warning. Local area sirens are typically alarmed for tornadoes only. Decoding this tag line will facilitate the capability for local area EMs to trigger sirens for particularly dangerous severe thunderstorm events when conditions exceed locally developed thresholds for thunderstorm induced wind and or hail size.
Enhanced Product Fire Weather Planning Forecast (FWF) Bullet Format A Fire Weather Forecast (FWF) that utilizes left-justified asterisks to begin each line of text. The asterisks help maintain proper word wrapping and indentations in the AWIPS text editor. This significantly reduces the amount of time needed to edit the product before dissemination.
Enhanced Product National Implementation of the use of 1 inch Diameter Hail CriteriaThe Severe Thunderstorm Warning (SVR) is an alphanumeric product providing short-fused warning in¬formation on hazardous conditions associated with thunderstorms which are expected to pose a threat to life and/or real property. This product is prepared by each National Weather Service (NWS) Weather Forecast Office (WFO) for their County Warning Area (CWA) of responsibility. In the Western Region (WR) and Central Region (CR) a Severe Thunderstorm Warning is currently being issued experimentally based on expectation of winds gusting to 58 mph or greater and/or hail of one (1) inch diameter or greater. Pending successful completion of this experiment, all NWS sites will issue Severe Thunderstorm Warnings based on these criteria.
Enhanced Winter Weather Guidance Product SuiteThe Hydrometeorological Prediction Center (HPC) proposes to produce probability guidance for three specific snow/sleet accumulation thresholds per forecast day out to Day 3. HPC will also generate separate probability graphics for the exceedance of freezing rain. In addition a single graphic will depict both HPC forecast position of significant surface low pressure centers over the contiguous U.S. and conveyance of uncertainty of the forecast position. This will be depicted in 12 hour increments out to Day 3.
Enhancement to National Spot Webpage: HYSPLIT Trajectories Request Function The Weather Forecast Office (WFO) NWS Spot webpages provide a nationally uniform portal for NWS customers to request, receive, and leave feedback for site specific spot forecasts. As of September 19, 2011, all WFO NWS Spot webpage hosted a new functionality for requesting HYSPLIT (Hybrid Single Particle Lagrangian Integrated rajectorymodel) trajectory runs from NOAA’s Air Resources Laboratory (ARL) on an experimental basis. On October 20, 2013 this functionality became operational. Trajectory elements will be available based on the North American Mesoscale Model (NAM) for the CONUS and on the Global Forecast System (GFS) for Alaska and Hawaii. The HYSPLIT trajectories Request Function will allow users to request HYSPLIT trajectory runs at 500, 1500, and 3000 meters for the latitude/longitude of the spot request. The trajectory runs will begin at the specified ignition time on the spot request. To request HYSPLIT trajectories with a spot request, the user must enter the phrase ..."hysplit to requester email address" in the remarks section of the spot request form. The HYSPLIT trajectory raw data, as well as gif and kml files, will be sent to the specified email address.
Enhancement to the National Snow Analysis: NOHRC Snow Model and Forecast Products ExpansionThe NOHRSC is expanding the spatial domain of its gridded snow model into Canada to include the Great Lakes drainage area. Additionally, the NOHRSC is executing the model in a 72-hour forecast mode. The Rapid Refresh (RR) model forces the first 18 forecast hours and the North American Mesoscale (NAM) model forces the remaining 54 forecast hours.

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