Our Area of Responsibility (CWA)
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The Quad Cities NWS office is responsible for a County Warning Area (CWA) which coincides with its Hydrologic Service Area (HSA). The Quad Cities CWA consists of 36 counties in eastern Iowa, northwest and west-central Illinois, and extreme northeast Missouri–21 in Iowa, 13 in Illinois, and 2 in Missouri–or a total area of nearly 20,000 square miles. Over 1.4 million people live in this region. In this area the Quad Cities NWS office is responsible for providing warnings and forecasts. Routine forecasts include the short-term forecast (1 to 6 hours), the 7-day forecast, and the Hazardous Weather Outlook. Advisories, warnings, and other statements are issued on an as-needed basis, depending on the weather conditions.
Every county across the country has a unique FIPS code and zone code. The FIPS code is designated by the state and is used for dissemination of warnings and for programming the SAME Tone-Alert Weather Radios. The zone code is defined by the National Weather Service and is used for disseminating forecasts and other less urgent products and for selecting NOAA Weather Wire products.
| IOWA |
| County |
FIPS Code |
Zone Code |
| Benton |
019011 |
IAZ051 |
| Buchanan |
019019 |
IAZ040 |
| Cedar |
019031 |
IAZ065 |
| Clinton |
019045 |
IAZ066 |
| Delaware |
019055 |
IAZ041 |
| Des Moines |
019057 |
IAZ089 |
| Dubuque |
019061 |
IAZ042 |
| Henry |
019087 |
IAZ088 |
| Iowa |
019095 |
IAZ063 |
| Jackson |
019097 |
IAZ054 |
| Jefferson |
019101 |
IAZ087 |
| Johnson |
019103 |
IAZ064 |
| Jones |
019105 |
IAZ053 |
| Keokuk |
019107 |
IAZ076 |
| Lee |
019111 |
IAZ099 |
| Linn |
019113 |
IAZ052 |
| Louisa |
019115 |
IAZ078 |
| Muscatine |
019139 |
IAZ067 |
| Scott |
019163 |
IAZ068 |
| Van Buren |
019177 |
IAZ098 |
| Washington |
019183 |
IAZ077 |
|
| ILLINOIS |
| County |
FIPS Code |
Zone Code |
| Bureau |
017011 |
ILZ017 |
| Carroll |
017015 |
ILZ007 |
| Hancock |
017067 |
ILZ034 |
| Henderson |
017071 |
ILZ025 |
| Henry |
017073 |
ILZ016 |
| Jo Daviess |
017085 |
ILZ001 |
| McDonough |
017109 |
ILZ035 |
| Mercer |
017131 |
ILZ024 |
| Putnam |
017155 |
ILZ018 |
| Rock Island |
017161 |
ILZ015 |
| Stephenson |
017177 |
ILZ002 |
| Warren |
017187 |
ILZ026 |
| Whiteside |
017195 |
ILZ009 |
|
| MISSOURI |
| County |
FIPS Code |
Zone Code |
| Clark |
029045 |
MOZ010 |
| Scotland |
029199 |
MOZ009 |
|
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