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National Weather Service
Report - listing of Operational Products in database, sorted by Newest First.
 
Product Name Brief Description Operational Date
New Forecast at a Glance Point and Click Icons The new icons are intended to enhance communication of rapidly changing weather conditions, while also highlighting current weather hazards. 2015-07-07 
Tropical Cyclone Threat Grids in the NDFD The Tropical Cyclone (TC) Threat grids provide the worse-case plausible scenario or threat associated with the following hazards; wind, storm surge, flooding rain, and tornado. There are five levels to describe each TC Threat element; None, Low, Moderate, High, Extreme. The methodology for creating the grids takes in account the forecast magnitude and the associated forecast uncertainty for each of the hazards. The grids are produced only by coastal WFOs along the Atlantic and Gulf coasts as well as San Juan, PR whenever tropical cyclone watches and warnings are in effect for their area of responsibility 2015-06-01 
Lightning Strike Density Product The Lightning Strike Density product is a gridded and graphical depiction of the density of lightning strikes. Units for the gridded product (GRIB2) as per WMO requirement are in SI units and are (number of strikes) m-2 sec-1 . These units require a scaling factor of 10 11 (11 is an exponent) to convert to km-2 min-1. The gridded forms are written to 8 km x8 km resolution and are generated in 15 and 30 min collectives. The lightning strike density product is based on the ground based Vaisala GLD360 global lightning network and is capable of detecting cloud-to-ground strokes, cloud-to-ground flash information and survey level cloud lightning information. Lightning Strike Density, as opposed to display of individual strikes, highlights the location of lightning cores and trends of increasing and decreasing activity. It is also a parameter that is useful to compare cloud to ground capabilities from different sources of lightning data. 2015-05-21 
5-Day Graphical Tropical Weather Outlook The 5-Day Graphical Tropical Weather Outlook product is a visual companion to the 5-day (120 hour) forecast and discussion within the text Tropical Weather Outlook product. The product will be produced by the National Hurricane Center for the Atlantic and east Pacific basins 2015-05-15 
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. 2015-05-15 
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. 2015-05-14 
Hurricane Local Watch/Warning Product The Hurricane Local Watch/Warning product is a segmented, automated product, with each segment being a discrete zone, containing tropical cyclone watches/warnings in effect, meteorological information, hazards (rain, storm surge, wind, tornadoes) and their potential impacts, and preparedness information at the Weather Forecast Office (WFO) level. The product is intended to be parsed by the weather enterprise. For 2015, the proposal is are for the Hurricane Local Watch/Warning Product to become the operational WFO flagship product for disseminating tropical cyclone watches/warnings for the Atlantic hurricane basin when a tropical cyclone affects land areas of their county warning area 2015-05-07 
Changes to the Hurricane Local Statement Startinf 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. 2015-05-07 
Beach Hazards Statement The Beach Hazards Statement (BHS) informs beachgoers and local authorities to a multitude of hazards including, but not limited to: rip currents (or other types of dangerous currents in the surf zone), unusually cold water temperatures, potential for lightning along the beach/shoreline, or unusual surf/wave conditions which do not meet advisory criteria. In coordination with other agencies (as needed), the product may also inform users of various types of environmental hazards (e.g. chemical spills, harmful algal blooms, high bacteria levels in the water, or potentially hazardous marine wildlife which may be impacting the area). The BHS is an Informational Statement which is used to describe hazards that do not meet Advisory, Watch, or Warning criteria, as well as hazards that do not have Advisory, Watch, or Warning criteria (e.g. rip currents, oil spills). The BHS provides additional, more targeted information to its customers and partners on hazards along beach/coastal areas and immediate adjacent waters in a single statement. All hazards will not necessarily apply to all NWS coastal offices, as each office has unique criteria for their area of responsibility. 2015-05-04 
Helicopter Emergency Medical Services (HEMS) Tool The Helicopter Emergency Medical Services (HEMS) Tool is an interactive online display that can overlay multiple fields of interest: ceiling, visibility, flight category, winds, relative humidity, temperature, icing, satellite, radar (base and composite reflectivity), G-AIRMETs, SIGMETs, METARs, TAFs, and PIREPs.All 3D data are interpolated to AGL altitudes and can be sliced horizontally on 1000 ft intervals up to 5000 ft. All data is time synchronized to go back up to 6 hours and forward up to 6 hours. The tool has high-resolution basemaps from ESRI, including colored relief, satellite and street views. Overlays include navigational aids, airports, and heliports for the entire United States. More detail is revealed as you zoom in and individual layers can be turned on or off independently. The HEMS Tool was specifically designed in response to a request by the Federal Aviation Administration to meet the needs of first responders who conduct short-distance, low-altitude flights. 2015-05-04 
National Digital Forecast Database (NDFD) Map Viewer The National Digital Forecast Database (NDFD) contains a seamless mosaic of digital weather forecasts from National Weather Service (NWS) field offices and the National Centers for Environmental Prediction (NCEP). The new map viewer enables users to interactively zoom and roam experimental NDFD forecast grids displayed at full resolution. 2015-04-01 
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). 2014-12-16 

Listing contains 288 items. Total pages: 24   Click on desired page:   1    2    3    4    5    6    7    8    9    10    11    12    13    14    15    16    17    18    19    20    21    22    23    24   » Next Page
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