| Day 1 Risk |
Area (sq. mi.) |
Area Pop. |
Some Larger Population Centers in Risk Area |
| SLIGHT |
163,271 |
1,321,462 |
Fargo, ND...Rapid City, SD...Bismarck, ND...Grand Forks, ND...Moorhead, MN... |
| MARGINAL |
157,425 |
2,372,670 |
Sioux Falls, SD...Billings, MT...Sioux City, IA...St. Cloud, MN...Grand Island, NE... |
|