KWO39 Chicago, 162.55 MHz NOAA All Hazards
Weather Radio station KWO39 serves marine interests on southern Lake Michigan
and the Illinois and Indiana lakeshore, from a 300 Watt transmitter at
the Sears Tower in downtown Chicago. 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
KWO39 occur each WEDNESDAY at approximately 11 AM.
|
County
Lake (IL)
Cook
DuPage
Lake (IN)
Porter (IN)
|
FIPS code
017097
017031
017043
018089
018127
|
Nearshore Areas (within 5 nm
of shore) |
FIPS code |
Winthrop Harbor to Wilmette Harbor |
092740 |
Wilmette Harbor to Northerly Island |
092741 |
Northerly Island to Calumet Harbor |
092742 |
Calumet Harbor to Gary |
092743 |
Gary to Burns Harbor |
092744 |
Burns Harbor to Michigan City |
092745 |
Winthrop Harbor to Michigan City (open waters beyond
5 NM out to midlake) |
092766 |
*Note that FIPS codes are used for programming SAME-equipped NWR
receivers. This utilizes a six digit number for each county. The first
three digits are the state code, with the last three digits being
the county code. |
Broadcast Cycle
Station ID Message |
|
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 |
Open Lakes Forecast for Lake Michigan |
updated 3 AM, 9 AM, 3 AM and 9 PM |
Nearshore Marine Forecast for Illinois
and Indiana Shores
|
updated 4 AM, 10 AM, 4 PM and 9 PM |
Marine Observations |
updated every hour |
Water Temperatures |
updated everyday at 9 AM |
Severe Weather and other special programming during "active" weather
|
|