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Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.
The Northern Indiana NWS office's county warning area, bordered in dark red. A total of 37 counties (24 in Indiana, 8 in Ohio, and 5 in Michigan) receive weather information, forecasts, watches, and warnings from the Northern Indiana office: Agency overview; Type: Meteorological: Jurisdiction: Federal Government of the United States: Headquarters
A surface weather analysis for the United States on October 21, 2006.. A weather map, also known as synoptic weather chart, displays various meteorological features across a particular area at a particular point in time and has various symbols which all have specific meanings. [1]
See Severe weather terminology (United States) and/or Severe weather terminology (Canada) for comprehensive articles concerning specific nations' warnings, watches, advisories and related terms. Pages in category "Weather warnings and advisories"
An example of weather alerts on a national map from the National Weather Service. The NWS divides severe weather alerts into several types of hazardous/hydrologic events: Severe local storms – Short-fused, small-scale hazardous weather or hydrologic events produced by thunderstorms (including large hail, damaging winds, tornadoes, and flash ...
First Warning is a severe weather warning system designed for broadcast television stations, typically those in the United States. A weather advisory product based on First Warning, called First Alert, is an automated version of this product, which has come into widespread use by television stations and is marketed under different names depending on the graphics service vendor.
Under Indiana law, a municipality must have a minimum of 2,000 people to incorporate as a city. Except as noted, all cities are "third-class" cities with a seven-member city council and an elected clerk-treasurer. "Second-class" cities had a population of at least 34,000 and up to 600,000 at time of designation, and have a nine-member city ...
In a 2012 report, Indiana was ranked eighth in a list of the top 20 tornado-prone states based on National Weather Service data from 1950 through 2011. [89] A 2011 report ranked South Bend 15th among the top 20 tornado-prone U.S. cities, [ 90 ] while another report from 2011 ranked Indianapolis eighth.