This map displays the Quantitative Precipitation Forecast (QPF) for the next 72 hours across the contiguous United States. Data are updated hourly from the National Digital Forecast Database produced by the National Weather Service.The dataset includes incremental and cumulative precipitation data in 6-hour intervals. In the ArcGIS Online map viewer you can enable the time animation feature and select either the "Amount by Time" (incremental) layer or the "Accumulation by Time" (cumulative) layer to view a 72-hour animation of forecast precipitation. All times are reported according to your local time zone.Where is the data coming from?The National Digital Forecast Database (NDFD) was designed to provide access to weather forecasts in digital form from a central location. The NDFD produces forecast data of sensible weather elements. NDFD contains a seamless mosaic of digital forecasts from National Weather Service (NWS) field offices working in collaboration with the National Centers for Environmental Prediction (NCEP). All of these organizations are under the administration of the National Oceanic and Atmospheric Administration (NOAA).Source: https://tgftp.nws.noaa.gov/SL.us008001/ST.opnl/DF.gr2/DC.ndfd/AR.conus/VP.001-003/ds.qpf.binWhere can I find other NDFD data?The Source data is downloaded and parsed using the Aggregated Live Feeds methodology to return information that can be served through ArcGIS Server as a map service or used to update Hosted Feature Services in Online or Enterprise.What can you do with this layer?This map service is suitable for data discovery and visualization. Identify features by clicking on the map to reveal the pre-configured pop-ups. View the time-enabled data using the time slider by Enabling Time Animation.This map is provided for informational purposes and is not monitored 24/7 for accuracy and currency.If you would like to be alerted to potential issues or simply see when this Service will update next, please visit our Live Feed Status Page!

This map displays projected visible surface smoke across the contiguous United States for the next 48 hours in 1 hour increments. It is updated every 24 hours by NWS. Concentrations are reported in micrograms per cubic meter.Where is the data coming from?The National Digital Guidance Database (NDGD) is a sister to the National Digital Forecast Database (NDFD). Information in NDGD may be used by NWS forecasters as guidance in preparing official NWS forecasts in NDFD. The experimental/guidance NDGD data is not an official NWS forecast product.Source: https://tgftp.nws.noaa.gov/SL.us008001/ST.opnl/DF.gr2/DC.ndgd/GT.aq/AR.conus/ds.smokes01.binSource data archive can be found here: https://www.ncei.noaa.gov/products/weather-climate-models/national-digital-guidance-database look for 'LXQ...' files by date. These are the Binary GRIB2 files that can be decoded via DeGRIB tool.Where can I find other NDGD data?The Source data is downloaded and parsed using the Aggregated Live Feeds methodology to return information that can be served through ArcGIS Server as a map service or used to update Hosted Feature Services in Online or Enterprise.What can you do with this layer?This map service is suitable for data discovery and visualization. Identify features by clicking on the map to reveal the pre-configured pop-ups. View the time-enabled data using the time slider by Enabling Time Animation.RevisionsJuly 11, 2022: Feed updated to leverage forecast model change by NOAA, whereby the Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) forecast model system was replaced with the Rapid Refresh (RAP) forecast model system. Key differences: higher accuracy with RAP now concentrated at 0-8 meter detail vs HYSPLIT at 0-100 meter; earlier data delivery by 6 hrs; forecast output extended to 51 hrs.This map is provided for informational purposes and is not monitored 24/7 for accuracy and currency.If you would like to be alerted to potential issues or simply see when this Service will update next, please visit our Live Feed Status Page!

Hourly Precipitation Data (HPD) is digital data set DSI-3240, archived at the National Climatic Data Center (NCDC). The primary source of data for this file is approximately 5,500 US National Weather Service (NWS), Federal Aviation Administration (FAA), and cooperative observer stations in the United States of America, Puerto Rico, the US Virgin Islands, and various Pacific Islands. The earliest data dates vary considerably by state and region: Maine, Pennsylvania, and Texas have data since 1900. The western Pacific region that includes Guam, American Samoa, Marshall Islands, Micronesia, and Palau have data since 1978. Other states and regions have earliest dates between those extremes. The latest data in all states and regions is from the present day. The major parameter in DSI-3240 is precipitation amounts, which are measurements of hourly or daily precipitation accumulation. Accumulation was for longer periods of time if for any reason the rain gauge was out of service or no observer was present. DSI 3240_01 contains data grouped by state; DSI 3240_02 contains data grouped by year.

The NOAA Cooperative Observer Program (COOP) 15-Minute Precipitation Data consists of quality controlled precipitation amounts, which are measurements of 15 minute accumulation of precipitation, including rain and snow for approximately 2,000 observing stations around the country, and several U.S. territories in the Caribbean and Pacific operated or managed by the NOAA National Weather Service (NWS). Stations are primary, secondary, or cooperative observer sites that have the capability to measure precipitation at 15 minute intervals. This dataset contains 15-minute precipitation data (reported 4 times per hour, if precipitation occurred) for U.S. stations along with selected non-U.S. stations in U.S. territories and associated nations. It includes major city locations and many small town locations. Daily total precipitation is also included as part of the data record. The dataset period of record is from May 1970 to December 2013. The dataset is archived by the NOAA National Centers for Environmental Information (NCEI).

The Cooperative Observer Program (COOP) Hourly Precipitation Data (HPD) consists of quality controlled precipitation amounts, which are measurements of hourly accumulation of precipitation, including rain and snow for approximately 2,000 observing stations around the country, and several U.S. territories in the Caribbean and Pacific from the National Weather Service (NWS) Fischer-Porter Network. This new version of COOP HPD with faster automations due updated stations will result in faster access for the public. The data are from 1940 to present, depending upon when each station was installed. These stations, nearly all of which were part of HPD version 1, also known as DSI-3240, were gradually upgraded from paper punch tape data recording systems to a more modern electronic data logger system from 2004-2013.

The 15-min gauge depth time series are processed at NCEI via automated quality control and filtering algorithms to identify and remove spurious observations from noise and malfunctioning equipment, and also those due to natural phenomena such as evaporation and the necessary occasional emptying of the gauge. Hourly precipitation totals are then computed from the 15-min data and are quality controlled by a suite of automated algorithms that combine checks on the daily and hourly time scale. Data and metadata are ingested on a daily basis and combined in a single integrated dataset.

As with the legacy punch paper instrumentation, the electronic loggers record rain gauge depth every 15 minutes. Monthly site visits to each station are still performed, but instead of collecting punched paper (that would subsequently need conversion to a digital record via a MITRON reader), data are downloaded from the station's datalogger to a memory stick and centrally collected at the local Weather Forecast Office (WFO) for all stations in the WFO area. The WFO subsequently combines all data into a single tar file and transfers the data to NCEI via ftp upload nominally each month.

This updated HPD includes the historical data from the punch paper era and the recent digital era in order to provide the full period of record for each location. These data are formatted consistent with practices for NCEI Global In-situ datasets.

U.S. 15 Minute Precipitation Data is digital data set DSI-3260, archived at the National Climatic Data Center (NCDC). This is precipitation data. The primary source of data for this file is approximately 2,000 mostly U.S. weather stations operated or managed by the U.S. National Weather Service. Stations are primary, secondary, or cooperative observer sites that have the capability to measure precipitation at 15 minute intervals. This dataset contains 15-minute precipitation data (reported 4 times per hour, if precip occurs) for U.S. stations along with selected non-U.S. stations in U.S. territories and associated nations. It includes major city locations and many small town locations. Daily total precipitation is also included as part of the data record. NCDC has in archive data from most states as far back as 1970 or 1971, and continuing to the present day. The major parameter is precipitation amounts at 15 minute intervals, when precipitation actually occurs.

The National Digital Forecast Database (NDFD) contains a seamless mosaic of the National Weather Service's (NWS) digital forecasts of precipitation amounts. In collaboration with NWS National Centers for Environmental Prediction (NCEP) and NWS Weather Forecast Offices (WFO), the central NDFD server ingests 5-km, 2-dimensional grids of precipitation amounts, and creates experimental forecast data mosaics for the coterminous United States (CONUS), Alaska, Hawaii, and Guam.

NOAA NEXRAD Quantitative Precipitation Estimation (QPE) Climate Data Record (CDR) is created from the Radar Multi-Radar/Multi-Sensor (MRMS) Reanalysis to produce severe weather and precipitation products for improved decision-making capability to improve severe weather forecasts and warnings, hydrology, aviation, and numerical weather prediction. The data cover a time period from 2002-01-01 to 2011-12-31. NOAA's NEXRAD reanalysis consists of two primary components; (1) Severe weather and radar-reflectivity data generation, (2) Quantitative Precipitation Estimate (including associated precipitation variables and merged rain gauge and radar estimation). This document focuses on the second component of NOAA's NEXRAD reanalysis - the Quantitative Precipitation Estimate (QPE). The primary files generated within this data set are radar-only and radar- gauge (ROQPE, GCQPE, and MOS2D) merged precipitation products as well as ancillary information on precipitation type (PRATE and PFLAG) and radar quality (RQIND). The initial data set covers the time period from January 2002 - December 2011. Radar-only reflectivity, Gauge, Precipitation Flag, and Radar Quality Index for 5-minute data at 1km regular grid over CONUS. Radar only Radar-Gauge Quantitative Precipitation Estimates at hourly scale at 1km regular grid over CONUS. MRMS Quantitative Precipitation Estimation (QPE) uses the most advanced radar technologies and provides high-resolution information about precipitation types and amounts for the nation. The data are stored in netCDF version 4.0 files that include the necessary metadata and supplementary data fields. Data set provides information that can be useful for identification of various types of precipitation, estimation of radar reflectivity, recognition of storm patterns, forecasting technologies for rainfall estimation, and associating different phases of precipitation such as hail freezing rain and snow with radar observations.

This GIS grid atlas contains precipitation frequency estimates for Midwestern states based on precipitation data collected between 1836-2013. This atlas supersedes information in Technical Memorandum NWS Hydro 35, published in 1977, NOAA Atlas 2, published in 1973 (Colorado), Technical Paper 40, published in 1961, and Technical Paper 49,published in 1964. The grids provide information for durations from 5 minutes through 60 days, and for return periods of 1 year through 1000 years. All grids are in geographic coordinate system (NAD83 horizontal datum) and units are in 1000th of inches.

The National Digital Forecast Database (NDFD) contains a seamless mosaic of the National Weather Service's (NWS) digital forecasts of precipitation probabilities. In collaboration with NWS National Centers for Environmental Prediction (NCEP) and NWS Weather Forecast Offices (WFO), the central NDFD server ingests 5-km, 2-dimensional grids of precipitation probabilities, and creates experimental forecast data mosaics for the coterminous United States (CONUS), Alaska, Hawaii, and Guam.

This dataset contains 15 minute precipitation data from the National Climatic Data Center (NCDC) Cooperative (COOP) data for the IHOP_2002 domain. The observations in this dataset are primarily those from the cooperative network, augmented by observations from principal observing stations operated by the NWS and other sites having highly trained observers. Quality Control for this data was provided by NCDC.

This GIS grid atlas contains precipitation frequency estimates for Puerto Rico and the U.S. Virgin Islands is based on precipitation data collected between 1/1899-12/2004. This atlas is an updated version of Technical Paper 42 Generalized Estimates of Probable Maximum Precipitation and Rainfall-Frequency Data for Puerto Rico and Virgin Islands and Technical Paper 53, Two-to-Ten-Day Precipitation for Return Periods of 2 to 100 Years in Puerto Rico and Virgin Islands (1965). The grids provide information for durations from 5 minutes through 60 days, and for recurrence intervals of 1 year through 1000 years. All grids are in geographic coordinate system (WGS72 horizontal datum) and units are in 1000th of inches.

This data set contains 15-minute resolution precipitation data from the National Weather Service Cooperative Network. These stations are located across the SMEX02 region. This data set covers the period from 1 June to 31 July 2002.

Dataset Abstract This data set contains information collected from the “Gull Lake Biological Station COOP” (#203504) weather observatory located at the W. K. Kellogg Biological Station. Data is also archived at the national weather service. The station is located at 42 degrees 24 minutes north and 85 degrees 23 minutes west at an elevation of 277.4 meters. Observations began on Jan 1 1948 and are recorded daily at 4 pm local time. original data source http://lter.kbs.msu.edu/datasets/20

This GIS grid atlas contains precipitation frequency estimates for California based on precipitation data collected between 1850-2010. This atlas is an updated version of volume XI (California) of NOAA Atlas 2, published in 1973 and volume 1 of NOAA Atlas 14 (Semiarid Southwest), published in 2006. The grids provide information for durations from 5 minutes through 60 days, and for return periods of 1 year through 1000 years. All grids are in geographic coordinate system (NAD83 horizontal datum) and units are in 1000th of inches. The grid data also contains estimates for Semiarid Southwest from NOAA Atlas 14 Volume 1 Version 5. Please see the metadata page for the Semiarid Southwest portion of the grid.

This data set contains 15-minute resolution precipitation data from the National Weather Service Cooperative Network. These stations are located across the BAMEX region. This data set covers the period from 20 May to 7 July 2003

Dataset Abstract This data set contains information collected from the “Gull Lake Biological Station COOP” (#203504) weather observatory located at the W. K. Kellogg Biological Station. Data is also archived at the national weather service. The station is located at 42 degrees 24 minutes north and 85 degrees 23 minutes west at an elevation of 277.4 meters. Observations began on Jan 1 1948 and are recorded daily at 4 pm local time. original data source http://lter.kbs.msu.edu/datasets/20

The precipitation data are quality-controlled, multi-sensor (radar, satellite, and rain gauge) precipitation estimates from National Weather Service (NWS) West Gulf River Forecast Center. The original data are in XMRG format and projected in the Hydrologic Rainfall Analysis Project (HRAP) grid coordinate system, a polar stereographic projection true at 60 N / 105 W. The data represent the 24-hour precipitation estimates for each HRAP grid cell.

Precipitation Hazards Web Service from the Weather Prediction Center(WPC) depicts forecasted Precipitation Hazards where there is a probable threat of Excessive Rainfall Outlook (ERO) for the next five days will exceed flash flood guidance(FFG) within 40 kilometers (25 miles) of a location. The web service’s ERO locations are displayed as polygons. These Hazards are provided by the twelve NWS River Forecast Centers (RFCs) whose service areas cover the lower 48 states. WPC uses national Flash Flood Guidance (FFG), whose 1, 3, and 6-hour values represent the amount of rainfall over those short durations which it is estimated would bring rivers and streams up to bankfull conditions. The primary Precipitation hazard is Flash Flooding and WPC provides guidance with the warnings’ use estimates to build these polygons that contain the likelihood that FFG will be exceeded by assessing environmental conditions (e.g. moisture content and steering winds), recognizing weather patterns commonly associated with heavy rainfall, and using a variety of deterministic and ensemble-based numerical model tools that get at both the meteorological and hydrologic factors associated with flash flooding. These Hazard ERO polygons are produced by a highly collaborative product and benefits from the input of meteorologists and hydrologists among the Weather Forecasted Offices, RFCs, and National Water Center. The EROs polygon are rendered based on Excessive Rainfall Risk Categories.Update Frequency:Every 3 hoursERO Categories are as follows:No Area /Label [Probability Less than 5% Chance of Flash Flood] - Flash floods are generally not expectedMarginal (MRGL) – [At least 5% Chance of Flash Flooding]-Possible Isolated flash flood -Localized and primarily affecting places that can experience rapid runoff with heavy rainfall.Slight (SLGT) [At least 15% Chance of Flash Flooding]- Possible Scattered flash floods that are mainly localized. The most vulnerable are people in urban areas, roads small streams, and washes. Isolates significant flash floods are possible.Moderate (MDT) [At least 40% Chance of Flash Flooding]- Numerous flash floods are likely- Numerous flash flooding events with significant events are possible. Many streams may flood potentially affecting large rivers.High (High) [At least 70% Chance of Flash Flooding] - Widespread flash floods are expected Conditions include severe widespread flash flooding. Areas that do not normally experience flash flooding have conditions where lives and property are in greater danger.Link to graphical web page: https://www.wpc.ncep.noaa.gov/qpf/excessive_rainfall_outlook_ero.phpLink to data download (shp): https://www.wpc.ncep.noaa.gov/qpf/excessive_rainfall_outlook_ero.phpLink to metadataQuestions/Concerns about the service, please contact the DISS GIS teamTime Information:This service is not time enabled.

The Real-Time Mesoscale Analysis (RTMA) is a high-spatial and temporal resolution analysis for near-surface weather conditions. This dataset includes hourly analyses at 2.5 km for CONUS.