OSPO converts the product into HDF-EOS and WMO BUFR formats and distributed to users.24 hour rainfall totals by zip code. NOAA/NESDIS gets the product through an interagency program referred to as the Shared Processing Program in which NOAA, the US Air Force and US Navy participate. This product is generated initially by the Fleet Numerical Meteorology and Oceanography Center (FNMOC). this product is automated and updated once per day this product contains preliminary climate data subject to revision this product relies on precipitation data issued by local nws offices data represent precipitation (inches) ending at 500 pm pdt on since oct 01- oct 01- oct 01- oct 01- midnite aug 23 aug 23 aug 23 sep 30 climate. The product is updated once per day at 4 am EST. The water vapor varies from 0 to 80 with accuracy of 0.1 kg/m^2. The water vapor is derived from the passive microwave sensor SSM/I, which has 7 channels of 19 GHz (H, V), 22 GHz (V), 37 GHz (H, V), and 85 GHz (H, V), where H is the horizontal polarization, V is the vertical polarization. Total precipitable water is defined as the vertically integrated water vapor in a column extending from the surface to the top of the atmosphere.Īlso referred to as Water Vapor, this product shows the total atmospheric moisture over oceans. It is derived from HIRS/3 channels 10-12 and is generated from the ATOVS processing system. This product also known as Total Atmospheric Moisture (mm) with a 40 km resolution. Product Link (Text with Graphics attached when available) In composing SPENES messages, the following data are used: GOES infrared (IR), visible (VIS), and water vapor (WV) imagery GOES Sounder data and Derived Product Imagery (DPI) GOES satellite-derived winds Microwave data from various Polar orbiting satellites and surface and upper air data. “SPENES” is the AWIPS ID, and the WMO header for this message is “TXUS20 KNES”. This information is disseminated via Satellite Precipitation Estimate messages (SPENES), which are available on the Advanced Weather Interactive Processing System (AWIPS) and the Internet. Support is also provided for heavy rain and snow associated with winter storms, and for heavy lake effect snow. Satellite-derived precipitation estimates (SPE’s) and satellite-based trend guidance are provided to the National Weather Service (NWS) when heavy convective rain threatens to produce flash flooding over the lower 48 states, Puerto Rico, and Hawaii. Satellite Precipitation Estimate Messages (SPENES) This product is also known as the brightness temperature difference. Precipitable water is defined as the total atmospheric water vapor contained in a vertical column of area extending between any two specified levels. Product shows the amount of precipitable water derived from the difference between AVHRR channels 4 and 5. It is derived from SSM/I channels 19V, 19H, 22V, 37V, and 85V on an orbital basis. This product shows the rainfall intensity (mm/hr) over the Earth's surface. The products are available at both pixel and grid levels. The NESDIS operational IWP product is derived from AMSU-B/MHS 89 and 150 GHz channel measurements on board POES and Metop satellites, and is expressed in mm or kg/m2. Cloud ice water plays an important role in the transport of energy (latent heat) in the earth-atmosphere system. It varies greatly from cloud to cloud and also depends on the cloud ice phase (cloud ice, hail, grauple, ice crystal). Ice Water Path is the integrated column amount of ice water in the cloud. The operational global HE products available include instantaneous rain rates and 1-hour, 3-hour, 6-hour, 24-hour and multi-day precipitation accumulations. Recently the HE has been extended to the entire globe equator-ward of 60 degrees to meet user community's need for support of global flash flood guidance efforts. The Hydro-Estimator (HE) algorithm uses infrared (IR) brightness temperatures to identify regions of rainfall and retrieve rainfall rate, while using National Centers for Environmental Prediction (NCEP) Global Forecast System (GFS) model fields to account for the effects of moisture availability, evaporation, orographic modulation, and thermodynamic profile effects. An eTRaP will be produced, centered on the synoptic hours (e.g., 00Z, 06Z, 12Z, 18Z), from single-orbit TRaP segments with start times up to 3 hours after the synoptic hour. Each eTRaP is made up of forecast using observations from potentially several microwave sensores-currently AMSU, SSMI and AMSRE-initiailized at several observation times, and possibly using several different track forecasts. The eTRaP provides deterministic and probabilistic forecasts for each of four 6h time periods (e.g., 00-06h, 06-12h, 12-18h, 18-24h) as well as the 24 hour cumulative time period. The eTRaP is a simple ensemble whose members are the 6-hourly totals from the single-orbit TRaPs. Operational Products Ensemble Tropical Rainfall Potential (eTRaP)
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