1 Day Observed Precipitation
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 24-hr time period ending daily at 12 pm UTC at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, and Puerto Rico. Updated daily.
1 Hour Observed Precipitation
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 1-hr time period at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, Hawaii and Puerto Rico. Updated hourly.
12 Hour Observed Precipitation
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 12-hr time period at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, Hawaii and Puerto Rico. Updated hourly.
12 Hour Precipitation Probability
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The percentage likelihood of measurable precipitation (0.01" or more) during a 12-hour period ending at the specified time for the next 7 days. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated at 00 and 12 UTC.
15-Minute Lightning Strike Density
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Lightning strike density data from U.S. National Lightning Detection Network (NLDN) and Global Lightning Detection Network (GLD360). Time period: 15 minutes. Resolution: 5 x 5 miles. Extent: western South Pacific to north of Scotland. Source: NWS/NCEP/OPC
24 Hr Observed Precipitation (2020-08-26)
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24 hr observed precipitation for 8-26-2020. Covers Louisiana and portions of adjacent states.
24 Hr Observed Precipitation (2020-08-27)
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24 hr observed precipitation for 8-27-2020. Covers Louisiana and portions of adjacent states.
24 Hr Observed Precipitation (2020-08-28)
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24 hr observed precipitation for 8-28-2020. Covers Louisiana and portions of adjacent states.
24 Hr Observed Snowfall
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NOAA National Snowfall Analysis: 24-hour accumulation ending at 6 am UTC (= 1 am EST). Combines monitoring station and model data into a single report. Covers continental US only. Updated daily.
3 Hour Observed Precipitation
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 3-hr time period at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, Hawaii and Puerto Rico. Updated hourly.
3-5 Day Air Quality Forecast (6-7-2023)
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3-5 day forecast for air quality as of 6-7-2023.
5 Day Hurricane Wind Speed Probability
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Probability of hurricane-force winds occurring over the next 120 hrs from all tropical cyclones. Updated twice daily. Provided by the National Hurricane Center of the US NWS.
5 Day Hurricane Wind Speed Probability (2022-9-24)
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Probability of hurricane-force winds occurring over the next 120 hrs from all tropical cyclones. As of 2 pm EDT 9-24-2022. Provided by the National Hurricane Center of the US NWS.
5 Day Significant River Flood Outlook
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US NWS 5-Day River Flood Outlook. Note: This Flood Outlook is intended to provide a general outlook for significant river flooding. It is not intended to depict all areas of minor flooding or small-scale events such as localized and/or flash flooding.
5 Day Tropical Storm Wind Speed Probability
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Probability of tropical-storm (34 knot) winds occurring over the next 120 hrs from all tropical cyclones. Updated twice daily. Provided by the National Hurricane Center of the US NWS.
6 Hour Ice Forecast
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The expected new ice accretion on all exposed surfaces during a 6 hour period, in inches, for the next 3 days. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated at 00, 06, 12, and 18 UTC.
6 Hour Observed Precipitation
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 1-hr time period at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, Hawaii and Puerto Rico. Updated hourly.
6 Hour Precipitation Forecast
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The expected quantity of liquid precip. over a 6-hr period in inches for the next 3 days (incl. the liquid equivalent for snow and ice). Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated at 00, 06, 12, 18 UTC.
6 Hour Snowfall Forecast
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The expected total accumulation of new snow during a 6 hour period, in inches, for the next 3 days. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated at 00, 06, 12, and 18 UTC.
7 Day Observed Precipitation
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 7-day time period ending daily at 12 pm UTC at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, and Puerto Rico. Updated daily.
7 Day Precipitation Forecast
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Latest NWS 7-day Quantitative Precipitation Forecast. Covers North America from 20.60 °N to 57.15 °N.
Clouds
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Global clouds
Current Air Quality (Composite)
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Current air quality index (AQI) readings from a variety of sensors located throughout US states, territories, and embassies around the world. Provided by the AirNow program of the EPA. Updated hourly.
Current Air Quality (North America)
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Current composite air quality for North America. Provided by the AirNow program of the EPA. Updated hourly.
Current Air Quality (Point Data)
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Current air quality index (AQI) readings from a variety of sensors located throughout US states, territories, and embassies around the world. Provided by the AirNow program of the EPA. Updated hourly.
Daily Precipitation Forecast
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NWS 24-hr Quantitative Precipitation Forecast. Covers North America from ~23 °N to ~50 °N. It is issued ~2215Z for the period between 00Z this evening and next; and ~1015Z for the period between 12Z today and next. Available for days 1-7.
Hail Intensity
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72 hr US hail report intensity map
Indonesia Average Daily Temperature
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Long-term yearly average of air temperature in degrees C, covering the period 1994-2018. Provided by The World Bank as part of the Global Solar Atlas program based on data provided by Solargis.
Surface Weather Observations
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Latest surface and marine weather observations at sites operated by NESDIS/OPSD and MADIS. Individual stations update on different schedules ranging from once every 10 minutes to once per hour.
Tropical Weather
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Active and forecast tropical weather systems around the globe. Includes data from US NHC, CPHC, and JTWC. Updated hourly.
Tropical Weather (SM)
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Active and forecast tropical weather systems around the globe. Includes data from US NHC, CPHC, and JTWC. Updated hourly.
US Air Quality and Visibility Alerts
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US NWS alerts for hazardous air quality and reduced visibility events. Updated every 5 minutes.
US Coastal & Maritime Alerts
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US NWS alerts for hazardous seas, surf, and coastal conditions. Updated every 5 minutes.
US Convective Outlook
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Categorical forecast that specifies the relative level of threat from thunderstorms, hail, damaging winds, and tornadoes, over the next 3 days. Covers CONUS. Updated daily.
US Current Sky Cover
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Amount of opaque clouds (in percent) expected to be covering the sky for CONUS at the selected time, for the next 7 days. Provided by NWS from the National Digital Forecast Database (NDFD). Updated hourly.
US Excessive Rainfall Forecast
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Probability that rainfall will exceed flash flood guidance within 25 miles of a point between 12Z on a specific day and 12Z the following day. Provided by the NWS Weather Prediction Center. Available for days 1-5. Covers CONUS. Updated daily.
US Extreme Temperature Alerts
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US NWS alerts for extreme heat and cold and agriculturally significant frosts and freezes. Updated every 5 minutes.
US Flood Alerts
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US NWS alerts for long-duration flooding, including coastal, inland, storm surge, and tsunami. Updated every 5 minutes.
US High Urgency Alerts
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US NWS alerts for urgent, short-duration events including dust storms, snow squalls, flash floods, severe thunderstorms, extreme wind, tornadoes, and special marine hazards. Updated every 5 minutes.
US High Wind Alerts
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US NWS alerts for high wind events, including both cyclonic and inland straight-line wind. Updated every 5 minutes.
US Maximum Temperature Forecast
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The expected daytime maximum surface air temperature (in degrees F) for CONUS for the next 7 days. Provided by NWS from the National Digital Forecast Database (NDFD). Updated daily at 0 UTC.
US Minimum Temperature Forecast
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The expected overnight minimum surface air temperature (in degrees F) for CONUS for the next 7 days. Provided by NWS from the National Digital Forecast Database (NDFD). Updated daily at 12 UTC.
US NWS Current Alerts
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US NWS alerts for all conditions. Updated every 5 minutes.
US Radar Composite
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Radar Composite. 1km x 1km resolution base reflectivity. Provided by NOAA. Covers North America between 20 and 55 degrees N and between 130 and 60 degrees W. Updated every 15 minutes.
US Relative Humidity
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The ratio, expressed as a percent, of the amount of atmospheric moisture present relative to the amount that would be present if the air were saturated. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated hourly.
US Weather Forecast Summary
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Expected weather at the indicated time for CONUS for the next 7 days. Precipitating weather includes type, probability, and intensity. Provided by the NWS from the National Digital Forecast Database NDFD). Updated every 6 hours.
US Wildfire Alerts
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US NWS alerts for conditions favorable for wildfire development. Updated every 5 minutes.
US Wind Speed
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The expected sustained wind speed at 10-meters in mph for the next 7 days. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated hourly.
US Winter Weather Alerts
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US NWS alerts for winter weather, including snowfall, freezing rain, ice storms, blizzards, freezing spray and freezing fog. Updated every 5 minutes.
Week 2 Global Tropical Cyclone Formation Probability
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Week 2: Probability of Tropical Cyclogenesis. Released by the Climate Prediction Center of the US NWS at 11:30 am ET on Tuesdays and covers the following Wednesday through Tuesday. More .
Wind
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Global wind conditions