Alert archive / Oregon / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 709
The Storm Prediction Center issued this severe thunderstorm watch at Aug 4, 2004, 12:30 PM PDT for 10 counties in Oregon; 4 counties in Washington. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2004, 12:30 PM PDT (19:30 UTC)
- Expired
- Aug 4, 2004, 8:00 PM PDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
Counties Crook County, OR, Deschutes County, OR, Gilliam County, OR, Grant County, OR, Jefferson County, OR, Morrow County, OR, Sherman County, OR, Umatilla County, OR, Union County, OR, Wheeler County, OR, Benton County, WA, Columbia County, WA, Garfield County, WA, Walla Walla County, WA
The radar
The Pendleton radar (KPDT), 127 km from the middle of the area, began a volume at 19:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 1:50 PM PDT | Severe Thunderstorm Warning | PDT | Deschutes | 55 min |
| Aug 4, 2:33 PM PDT | Severe Thunderstorm Warning | PDT | Union | 57 min |
| Aug 4, 2:45 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla | 60 min |
| Aug 4, 3:44 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla | 61 min |
| Aug 4, 4:17 PM PDT | Severe Thunderstorm Warning | OTX | Asotin, Garfield | 43 min |
| Aug 4, 4:49 PM PDT | Severe Thunderstorm Warning | PDT | Grant | 56 min |
| Aug 4, 5:05 PM PDT | Severe Thunderstorm Warning | PDT | Wheeler | 55 min |
| Aug 4, 5:24 PM PDT | Severe Thunderstorm Warning | PDT | Gilliam | 66 min |
| Aug 4, 6:02 PM PDT | Severe Thunderstorm Warning | PDT | Morrow | 58 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 12:21 PM PDT | Mesoscale Discussion | SPC | Baker, Crook, Deschutes, Gilliam, Grant, Jefferson and 8 more | 114 min |
| Aug 4, 4:43 PM PDT | Mesoscale Discussion | SPC | Baker, Crook, Deschutes, Gilliam, Grant, Jefferson and 7 more | 62 min |
Nearby
Severe Thunderstorm Watches in Oregon, 2004Severe Thunderstorm Watches in Washington, 2004Every severe thunderstorm watch in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.