Table 4. Database
of precipitation associated with landslides that occurred during the 2002-2003
wet season in Seattle and vicinity.
(see Table 1 for landslide
location, time of occcurrence, and descriptive information)
| Landslide No. |
Inferred
date/time of occurrence |
Source
of precipitation data |
3-day
(72 hr) precip. prior to landslide (inches) |
15-day
precip prior to 72 hr precip. (inches) |
Peak
6 hr intensity during 72 hr period prior to landslide (in/hr) |
Time
of peak 6-hour intensity (hours prior to landslide occurrence) |
Approx.distance (rain gauge to landslide, miles) |
|---|---|---|---|---|---|---|---|
| 1 | 11/23/02 (~9:00 a.m.) | Seattle rain gauge no. 14 | 0.07 | 3 | 0..01 | 66 | 1 |
| 2 | 1/2/2003 | Bremerton, WA (NWS) | 1.03 - 4.04 | 3.55 - 6.44 | * | * | 2 |
| 3 | 1/24/03 (morning) | Seattle rain gauge no. 1: | * | * | * | * | 2 |
| 3 | " | Seattle rain gauge no. 8: | 1.50 - 1.63 | 1.29 - 1.63 | 0.09 | 37 - 50 | 4 |
| 4 | 1/25-26/03 | Issaquah Middle School (AWS SchoolNet) |
1.0 - 2.57 | 2.08 - 2.33 | * | * | 3 |
| 5 | 2/4/2003 (3:00 a.m.) | Seattle rain gauge no. 1 | 0.23 | 2.84 | * | * | 5 |
| 6 | 3/22/03 (evening) | Woodward Middle School (AWS SchoolNet) |
1.23 - 1.63 | 4.04 - 4.39 | * | * | 2 |
| 7 | 3/22/2003 | Seattle rain gauge no. 7 | 1.11-1.45 | 3.04-3.38 | * | * | 1 |
* Precipitation data and(or) time of occurrence information is missing, undetermined, or insufficient
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