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Report - listing of Operational Products in database, sorted by product Originator.
 
Product Name Brief Description     Click Here for "Printable" version of this list. Originator
Potential Storm Surge Flooding Map The Potential Storm Surge Flooding Map is a product that provides valuable information on potential storm surge flooding for areas along the U.S. Gulf and East Coast at risk from storm surge during a tropical cyclone event John F. Kuhn 
GovDelivery Southeast River Forecast Center (SERFC) Subscription Service GovDelivery is a subscription service that serves as an efficient means of notifying partners of the issuance of critical SERFC products. GovDelivery specializes in the unique distribution of government information, and currently has contracts in place with many other state and federal agencies, including FEMA. John Feldt 
National Digital Forecast Database (NDFD) Convective Outlook Hazard Probability Elements As of April 30, 2009, the following Convective Outlook Hazard Probability elements prepared by the SPC are now available in the NDFD in operational status Categorical Convective Outlook for today (Day 1), tomorrow (Day 2), and the day following (Day 3) Probability of Tornadoes (Day 1) Probability of Hail (Day 1) Probability of Damaging Thunderstorm Winds (Day 1) Probability of Extreme Tornadoes (Day 1) Probability of Extreme Hail (Day 1) Probability of Extreme Thunderstorm Winds (Day 1) Total Probability of Severe Thunderstorms (Day 2 and Day 3) Total Probability of Extreme Severe Thunderstorms (Day 2 and Day 3) All of these elements are currently only available for the contiguous U.S. (CONUS) and the 16 pre-defined NDFD CONUS subsectors. The Convective Outlook Probabilities are issued for a convective day from 12 UTC to 12 UTC. Day 1 Outlooks are valid from 12 UTC on Day 1 (or, if issued after 12 UTC from the issuance time) to 12 UTC on Day 2. The Day 2 products are valid from 12 UTC on Day 2 to 12 UTC on Day 3. The Day 3 products are valid from 12 UTC on Day 3 to 12 UTC on Day 4. The Categorical Convective Outlook elements specify the perceived level of threat via the descriptive wording Slight, Moderate, and High Risk. However, these outlooks, do not display the forecaster’s expectations of the individual severe weather hazards (large hail,damaging winds, and tornadoes) The individual probabilistic elements further express forecaster uncertainty of the individual severe weather hazards through the use of probabilities (i.e., percent likelihood of occurrence). In the Day 1 period, forecaster expectations of large hail, damaging winds, and tornadoes are explicitly conveyed in separate forecasts. By producing forecasts of each hazard individually, users who are sensitive to one particular threat (e.g., car dealers and large hail) can make more informed decisions. John Ferree 
National Digital Forecast Database (NDFD) Day 4 to 8 Convective Outlook Elements The NWS provides access to operational and experimental gridded forecasts of weather elements (e.g., maximum temperature, sky cover) through the National Digital Forecast Database (NDFD). The NDFD contains a seamless mosaic of digital forecasts from NWS field offices and the National Centers for Environmental Prediction (NCEP). NCEP's Storm Prediction Center (SPC) operationally produces detailed outlooks and probability products for severe convective weather for Days 1, 2, and 3, and a more general Day 4 to 8 convective outlook (available as text and graphic products at http://www.spc.noaa.gov/products/exper/day4-8/). This element is a forecast for organized severe thunderstorms over the contiguous United States. A severe weather area depicted in the day 4 to 8 period indicates a 30% or higher probability for severe thunderstorms within 25 miles of any point John Ferree 
Enhanced Product National Implementation of the use of 1 inch Diameter Hail Criteria The 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. John Ferree 
SPC Day 1-3 Categorical Convective Outlooks The Storm Prediction Center Day 1-3 Categorical Outlook include a defined areas of general non-severe thunderstorms, and 5 risk categories of severe convection (1 - Marginal, 2- Slight, 3-Enhanced, 4-Moderate, and 5-High). These outlooks previously included a defined area of general thunderstorms, and only three defined risk categories of severe convective weather (SLIGHT, MODERATE, and HIGH). The addition of “Marginal” and “Enhanced” categories will more closely compare to the SPC Day 1-3 Narrative and Probabilistic Convective Outlooks, and WFO products. John Ferree 
SPC Dry Thunderstorm Fire Weather Outlook for Days 4 through 8 This product provides a daily categorical forecast of critical fire weather conditions for dry thunderstorms in the 4 through 8 day period.The National Centers for Environmental Prediction (NCEP) Storm Prediction Center (SPC) provides Day 1, Day 2 and Day 3-8 Fire Weather Outlooks (narrative and graphical) describing large-scale meteorological conditions in the lower 48 states which, when combined with the antecedent fuel conditions, favor the rapid growth and spread of a wildfire, should a fire ignition occur. These outlooks provide guidance for WFO forecasters and aid land management agencies in determining large-scale areas of fire danger risk. John Ferree 
SPC Day 4-8 Severe Weather Outlooks The Storm Prediction Center (SPC) Day 4-8 Severe Weather Outlooks are five separate graphics, one for each day (D4, D5, D6, D7, and D8), that depict areas of organized convection in the contiguous U.S. (CONUS). Two thresholds (15% probability and 30% probability) are used to depict these areas.The outlooks help users to adequately prepare several days in advance of an expected severe weather episode.The target audience includes NWS CONUS Weather Forecast Offices (WFOs), the public, media and emergency managers. products will provide five separate outlook graphics, one for each day (D4, D5, D6, D7, and D8). John Ferree 
Storm Based (Polygon) Special Weather Statements ER Threat based polygon warnings, or storm based warnings were implemented nationally in 2008 and essential to effectively warn for severe weather and flash floods. SB warnings show the specific meteorological threat area and are not restricted to geopolitical boundaries. By focusing on the true threat area, polygons help improve NWS warning accuracy and quality. ER initiated an experimental Polygon Storm Based Special Weather Statements (SBS) at Weather Forecast Offices (WFO) Blacksburg, VA and State College, PA in 2009 to promote increased accuracy of alerting the public to significant weather events. The SBS methodology allows the forecaster the opportunity to be spatially specific, eliminating large areas needlessly alerted when compared to issuing a county based SBS. Based on positive feedback from partners and users, the SBS has been transitioned to an official product for all ER WFOs. The Guidelines for SBS issuance are included in ER supplement 05-2010 Special Weather Statements. John Koch 
Area Fire Weather Forecast Matrix (AFW) for WFO GSP Land management agencies in Georgia, North Carolina and South Carolina have expressed a need for easily accessible tabular forecast data similar to the Point Fire Weather Forecast Matrix (PFW), except that it encompass an entire fire weather zone instead of just a point. The requirement is for something similar to the existing Area Forecast Matrix (AFM), but with fire weather/smoke management parameters included. It would be tailored to facilitate fire behavior applications in the planning stage by land managers. An area fire weather matrix would satisfy this need well because it would allow agency specialists to quickly run sample fire behavior models for planning purposes for random areas outside of PFW forecast points. The experimental product will be called the Area Fire Weather Forecast Matrix (AFW) and would be generated routinely for all 56 zones in the WFO Greenville-Spartanburg (GSP) county warning area. (CWA) : The experimental AFW is produced by running a modified AFM formatter that uses the local digital forecast data base (DFD). The product will be generated via a GFE automation script every time grids are published by a forecaster. A script will also post the AFW to the WFO GSP website. No additional grids or forecaster intervention will be required. John Koch 
Hurricane/Typhoon Local Statement (HLS) Starting with the 2015 hurricane season, Southern and Eastern Region WFOs having HLS responsibility will issue the HLS as a non-segmented product with no VTEC for land areas only. A new WFO product, “Hurricane Local Watch/Warning Product”, is now being used to issue tropical cyclone watches and warnings for land areas. The Marine Weather Warning (MWW) product is being used for tropical cyclone watches and warnings for marine zones in a WFOs county warning area. There will not be any change in the format to the HLS for Western and Pacific Region offices which issue the product for the 2015 Hurricane Season, except tropical cyclone watches/warnings for marine zones would be moved to the MWW. Plans for expanding the revamped HLS to Western and Pacific Region offices are being developed with implementation TBD.The HLS is an alphanumeric product alerting the public of present and anticipated local tropical cyclone affects. Coastal and selected inland Weather Forecast Offices issue HLSs when their County Warning Area and adjacent coastal waters is affected by a tropical cyclone watch/warning or evacuation orders. John Kuhn 
Changes to the Tropical Cyclone Public Advisory for 2015 The current NWS operational guidelines state that NHC and CPHC will issue public advisories (TCPs) at 2-hourly intervals whenever coastal tropical cyclone watches / warnings are in effect and coastal radars are able to provide reliable hourly center position estimates. When NHC and CPHC is issuing TCPs on 2-hourly cycles, hourly position estimates are issued (on the hour between TCP issuance) in the Tropical Cyclone Update (TCU; prior to 2013, the Tropical Cyclone Position Estimate was issued in these cases) to provide a continuous flow of information regarding the center location of a tropical cyclone when the center can be easily track with land-based radar. Although NHC typically mentions in the Tropical Cyclone Discussion and indicates in the TCP when 2- versus 3-hourly advisories will be issued, the less frequently used 2-hourly advisory cycle sometimes creates confusion among our core partners. This agenda item proposes that NHC and CPHC always remain on a 3-hourly TCP cycle whenever watches / warnings are in effect or a tropical cyclone is over land at tropical storm strength or greater. The elimination of the 2-hourly TCP cycle would preserve the issuance of public advisories at standard times during an event whenever watches or warnings are in effect. This change would also keep the issuance of public advisories out of the interval when NHC and CPHC forecasters are preparing the next forecast (e.g., the 9 a.m. intermediate advisory “B” must be prepared and sent while the 11 a.m. forecast is being developed). Maintaining public advisories on a 3-hour cycle will alleviate workflow issues while the new track and intensity forecast is being prepared and wind and surge watches / warnings are being collaborated. John Kuhn 

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