| Event |
Flood |
| -- Flood Cause |
Heavy Rain / Snow Melt |
| State |
WASHINGTON |
| County/Area |
WALLA WALLA |
| WFO |
PDT |
| Begin Date |
01/17/2011 05:30:00 PST-8 |
| Begin Range |
1 |
| Begin Azimuth |
NNE |
| Begin Location |
COLLEGE PLACE ARPT |
| Begin Lat/Lon |
46.07/-118.41 |
| End Date |
01/17/2011 19:15:00 PST-8 |
| End Range |
2 |
| End Azimuth |
S |
| End Location |
MARTIN ARPT |
| End Lat/Lon |
46/-118.42 |
| Deaths Direct/Indirect |
0/0 (fatality details below, when available...) |
| Injuries Direct/Indirect |
0/0 |
| Property Damage |
0.00K |
| Crop Damage |
0.00K |
| Episode Narrative |
A large Pacific weather system became established in mid January that produced copious amounts of rainfall with unseasonably warm conditions in parts of Washington. The heavy rainfall combined with snowmelt caused rapid runoff with 4 rivers and 7 different warning points reaching flood stage. Flood warnings were first issued on the morning of January 15 and the last flood warning ended on January 21st. |
| Event Narrative |
Only minor flooding observed. The gauge at Touchet crested at 13.45 feet which was .45 feet above flood stage. |