NOAA
| Spring Outlook: Historic, widespread flooding to continue through May | 2019-03-25 |
| NOAA GIS Datasets | noaa.gov | 2019-01-20 | |
| NOAA-NWS Space Weather Prediction Center | swpc.noaa.gov | 2019-03-21 |
| Spring Outlook: Historic, widespread flooding to continue through May | 2019-03-25 |
| NOAA GIS Datasets | noaa.gov | 2019-01-20 | |
| NOAA-NWS Space Weather Prediction Center | swpc.noaa.gov | 2019-03-21 |