Will Cook - NOAA Radio

So what is this all about? This personal weather station and many more volunteers have taken a NOAA Weather Alert radio and fed it into a computer. We then take that feed and upload or "stream" it live to our partner Weather Underground. They have graciously donated a server and large amounts of bandwidth to streaming these broadcasts over the internet, so you the public can be kept better informed in case of emergencies. How NOAA Alert actually works is better described below from a reprint from their website.

KZZ-81 Lockport, 162.425 MHz

NOAA All Hazards Weather Radio station, KZZ-81 serves portions of northeast Illinois and northwest Indiana including the Chicago Metropolitan Area, from a 1000 Watt transmitter in Lockport, IL. The nominal effective range of the transmitter is about 40 miles. Continuous 24 hour programming is provided from the National Weather Service Chicago Forecast Office, located in southwest suburban Romeoville.

A map of the listening area is shown below, with Specific Area Message Encoder codes shown for each county. Severe weather watches and warnings are tone-alerted for all counties shaded in blue. Tone alarm tests for KZZ-81 occur each WEDNESDAY at approximately 11 AM.

County

Lake (IL)

Kane

Cook

DuPage

Kendall

Will

Grundy

Kankakee

Lake (IN)

SAME code

017097
017089
017031
017043
017093
017197
017063
017091
018089

Broadcast Cycle

• Station ID Message
• Regional Weather Synopsis	updated around 430 AM and 430 PM, or as needed
• Hourly Temperature Roundup	updated between 5 and 10 min past the hour
• Short Term Forecast	only when precipitation or active weather is near Chicagoland
• Chicago Metro Forecast	updated 4 AM and 4 PM, or as needed
• Nearshore Marine Forecast for Illinois and Indiana waters	updated 4 AM, 10 AM, 4 PM and 10 PM
• Chicago Climate Summary	6 AM to 10 AM and 430 PM to 7 PM
• Severe Weather and other special programming during "active" weather

NOAA's National Weather Service
Chicago, IL Weather Forecast Office
333 West University Drive
Romeoville, IL 60446
815-834-1435 8am-8pm
Page Author: LOT Webmaster
Web Master's E-mail: w-lot.webmaster@noaa.gov
Page last modified: April 18th 2007 6:43 PM
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