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Winter storms have the capability to completely immobilize large areas of a state, and possibly several states simultaneously. Thus, winter weather warnings, watches, and advisories are issued by the National Weather Service (NWS) for relatively large geographic areas, rather than for one specific county or a small group of counties.
Extreme Cold Notifications issued by the National Weather Service include frost advisories, freeze, and hard freeze watches and warnings. Wind chill notifications are also used, but are only defined for temperatures at or below 50°F and wind speeds above 3 mph.
Excessive heat events (EHEs) are a public health threat because they often increase the number of daily deaths within distinct groups within the population. Generally, it is those who are older, very young, or poor, or have physical challenges or mental impairments, are at elevated risk for experiencing EHE-attributable health problems.
Severe thunderstorm notifications and convective outlooks (AC) are issued by the National Weather Service's (NWS) Storm Prediction Center (SPC) in Norman, Oklahoma and have different order of severity.
Having multiple sources to receive weather warnings is smart! Relying on only one leaves you vulnerable if there is a power outage, system failure, or if you are "out of range".
NOAA's National Weather Service (NWS) provides daily fire weather forecasts, fire weather warning products, and forecasts designed to assist wildland Fire Agencies' assessment of fire danger every day of the year. Most NWS Weather Forecast Offices provide fire forecasts twice a day and provide warnings in close partnership with local, state and Federal fire control agencies.
The EPA's Air Quality Index (AQI). based on data from local air quality monitors, tells you about the daily air quality in your area and recommends precautions you can take to protect your health. As smoke gets worse, the concentration of particles in the air changes - and so do the steps you should take to protect yourself.
The USGS Volcano Hazards Program issues four-tiered Volcano Alert Levels of Normal, Advisory, Watch, and Warning. The Volcano Alert Levels are intended to inform people on the ground about a volcano's status and are issued in conjunction with the Aviation Color Code. Notifications are issued for both increasing and decreasing volcanic activity.
The NOAA / NWS Space Weather Prediction Center (SWPC) is the nation's official source of space weather alerts, watches and warnings. SWPC provides real-time monitoring and forecasting of solar and geophysical events which impact satellites, power grids, communications, navigation, and many other technological systems.
Although the construction and operation of nuclear power plants are closely monitored and regulated by the Nuclear Regulatory Commission (NRC), accidents are possible and severe accidents are very rare. A nuclear plant emergency could result in dangerous levels of radiation that could affect the health and safety of the public living near the nuclear power plant.
The NWS Marine Weather Forecasters issue wind, sea state, and significant weather warnings, forecasts, and weather statements. These are essential to the conduct of safe and efficient maritime operations and for the protection of the marine public.
Landslide watches and warnings may be issued by the USGS for discrete areas, and include advice about contacting an area's local emergency centers. Watches and warnings for rainfall-induced debris flows are weather dependent and will closely track National Weather Service (NWS) watches and warnings for flash flooding.
Centers for Disease Control and Prevention (CDC's) Health Alert Network (HAN)is CDC's primary method of sharing cleared information about urgent public health incidents with public information officers; federal, state, territorial, and local public health practitioners; clinicians; and public health laboratories.
The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP). They monitor and report earthquakes, assess earthquake impacts and hazards, and research the causes and effects of earthquake. The USGS Earthquake Notification Service (ENS) is a free service that sends you automated notification emails when earthquakes happen in your area.
The U.S. Drought Monitor is unique, blending numeric measures of drought and experts' best judgment into a single map every week. It started in 1999 as a federal, state, and academic partnership, growing out of a Western Governors' Association initiative to provide timely and understandable scientific information on water supply and drought for policymakers.
There are a multitude of advisories, watches, and warnings issued by the National Weather Service (NWS). The NWS uses a multi-tier system of weather statements to notify the public of threatening weather conditions. These statements are used in conjunction with specific weather phenomena to convey different levels of risk.
The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP), established by Congress in 1977. They monitor and report earthquakes, assess earthquake impacts and hazards, and research the causes and effects of earthquake.
All Hazards NOAA Weather Radio (NWR) is a nationwide network of radio stations broadcasting continuous weather information directly from the nearest National Weather Service office. NWR broadcasts official Weather Service warnings, watches, forecasts and other hazard information 24 hours a day, 7 days a week.
Wireless Emergency Alerts (WEA) are emergency messages sent by authorized government alerting authorities through your mobile carrier. Government partners include local and state public safety agencies, FEMA, the FCC, the Department of Homeland Security, and the National Weather Service.
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