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| RIDGE Radar Integrated Display with Geospatial Elements (National)||NWS is responsible to make its weather, water and climate information widely available to taxpayers using commonly accepted standards and technologies. Currently, the NWS provides weather radar information for all Weather Service Doppler Radars (WSR 88-D) in the United States on the NWS Internet page.
The National Weather Service Southern Region, working in cooperation with North Central Texas Council of Governments, has developed a method to display radar images more efficiently than the previous method. These radar images, call RIDGE (Radar Integrated Display with Geospatial Elements), allows the radar image to be combined with geospatial elements such as topography maps, highways, and county boundaries. This not only produces a better image, but provides additional reference information for users to understand where they are located. RIDGE also adds the ability to overlay polygon warnings issued by the National Weather Service Forecast Offices.
| Rip Current Probability Graphical||The National Weather Services (NWS) Rip Current Probability Graphical product provides a graphical representation of the probabilities of rip currents along area beaches from Pender County, NC south to Georgetown County, SC. This product is issued twice a day. || ERRIPCP.pdf|
| Route Forecast||The Route Forecast (ROFOR) is an alphanumeric product providing a coded route forecast for regularly scheduled flights or upon request for flights that either begin or end in or that have most of the flight path within the National Weather Service's Pac|| ROFOR.pdf|
| Satellite Interpretation Message||SIM is an alphanumeric product providing an interpretation of synoptic weather features, significant weather areas, and various cloud and weather phenomena based upon satellite imagery (visual, infrared, water vapor, etc.). National Weather Service's Pacific Region's Weather Forecast Office (WFO) Honolulu prepares the SIM for a portion of their area of responsibility (AOR). The AORs for WFOs Honolulu vary and depend upon the program (tropical cyclone, aviation, marine, public, and satellite). || SatelliteInterpretationMessage.pdf|
| Sea Ice Advisory||Provides analysis, forecast, and climatological information pertaining to sea ice in the waters surrounding Alaska.
| Sea Ice Analysis||Sea ice conditions for the waters surrounding Alaska
| Sea State Analysis||A graphical product depicting sea state conditions over the North Atlantic and Pacific Ocean Basins. Features such as the location of the ice edge and the isopleths for wave heights and arrows for swell direction are depicted.|| SSA.pdf|
| Sierra Backcountry Forecast||The Sierra Backcountry Forecast is a web based text product produced by forecasters in support of the Sierra Avalanche Center and the Central Sierra Avalanche Center. The product provides forecasted parameters critical to accurately forecasting avalanche conditions by the Sierra Avalanche Centers. The elements forecasted include temperatures, winds, and sky/weather, all of which affect the stability of the snowpack, changes in the snowpack structure, and ultimately avalanche potential. || RenoSierrabackcountryPDD3.pdf|
| Significant Meteorological Information (SIGMET)||SIGMETs are concise, brief descriptions of the development and occurrence or expected occurrence in time and space of specified en-route weather phenomena which may affect the safety of all aircraft operations.|| SIGMET.pdf|
| Southern Region TRACON APPROACH and DEPARTURE GATE FORECAST PRODUCT||The Southern Region Tracon Approach and Departure Gate Forecast will complement the Collaborative Convection Forecast Product (CCFP) by providing greater detail of convective occurrence and coverage of significant reflectivities and echo tops as determined collaboratively between the CWSU MIC, the Air Route Traffic Control Centerís (ARTCC) Traffic Management Unit (TMU) and the impacted Terminal Radar Approach Control (TRACON). Variations in the presentation and depiction are authorized based on the needs and requirements of the specific ARTCC TMU and TRACON|| SR_CWSR_TRACON_Gates_op_PDD.pdf|
| Space Weather for Aviation Service Providers||The Space Environment Center (SEC) Space Weather for Aviation Service Providers web page combines graph and text presentations of near real-time solar and geophysical parameters of interest to the aviation industry. This page incorporates products and models which are driven by data and imagery from ground-based and space-based observations. The Space Weather for Aviation Service Providers web page displays retrieved and reformatted existing SEC products. || Space24hrfcstPDD.pdf|
| Space Weather Forecast Discussion||Plain language Space Weather Forecast Discussion bulletin detailing recently observed space weather data, model guidance, and plain text forecaster rationale to compliment to the new 3-Day Space Weather Forecast product, tailored to sophisticated users and scientific perspectives|| PDD_Dis_op.pdf|
| SPC Enhanced Resolution Thunderstorm Outlook||The Storm Prediction Center (SPC) is the National Weather Serviceís
(NWS)center of expertise for forecasting convection, including economically-disruptive weather
events such as tornadoes, large hail, damaging winds and heavy rainfall. Included within the
SPC Severe Weather (Convective) Outlook (SWO) for the CONUS is a forecast for a 10% or greater probability of thunderstorms. Since these thunderstorm forecasts cover a 24 hour period with only the 10% probability contour, they provide little in the way of temporal or spatial resolution. The SPC Thunderstorm Outlook adds greater temporal and spatial resolution by depicting the expected areal coverage and probabilities for thunderstorms in 4 or 8 hour time periods. A 40% probability means that given similar environmental conditions, a thunderstorm would be observed at any one location (in either a county or city) within the 40% thunderstorm
probability area four times out of ten, or 40% of the time.
The greater temporal and spatial
resolution of the SPC Thunderstorm Outlook will aid both NWS forecasters and NWS Partners in
time-sensitive decisions related to thunderstorms, and ultimately provide greater safety for the
United States public.
| Special Marine Warning||An alphanumeric product issued from all WFOs with Marine responsibility. The product is issued to provide notification of short duration marine hazards such as waterspouts, thunderstorms, or hail.|| SMW.pdf|
| SR CWSU Web-based TRACON Briefings ||The National Weather Service-Southern Region Center Weather Service Units (CWSU) may develop web-based briefings for Terminal Radar Approach CONtrol (TRACON) that aviation customers can use for tactical and strategic planning for operations. Maps and other graphics used in the web-based TRACON briefings are culled from various maps, models and charts available on the web. Variations in the presentation and depiction are authorized based on the needs and requirements of the specific ARTCC TMU and TRACON. || SRCWSU_TRACON_WebBriefing_PDD_Op.pdf|