Alert archive / Washington / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 21, NWS Pendleton, OR
NWS Pendleton, OR issued this severe thunderstorm warning at Aug 7, 2008, 6:43 PM PDT for Klickitat County, Washington; Wasco County, Oregon. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 7, 2008, 6:43 PM PDT (01:43 UTC)
- Expired
- Aug 7, 2008, 7:45 PM PDT
- In force
- 62 min
- Issued by
- NWS Pendleton, OR
- Area
- Storm-based polygon
Counties Wasco County, OR, Klickitat County, WA
The radar
The Portland,OR radar (KRTX), 128 km from the middle of the area, began a volume at 01:46 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.
The nearest sounding before it
Salem/Mcnary, OR (KSLE), launched 00:00Z, 1.7 hours before the alert went out and 148 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 24 J/kg
- Mixed-layer CIN
- -465 J/kg
- Mixed-layer LCL
- 1722 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS56 KPDT 080143
SVRPDT
ORC065-WAC039-080245-
/O.NEW.KPDT.SV.W.0021.080808T0143Z-080808T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PENDLETON OR
643 PM PDT THU AUG 7 2008
THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN KLICKITAT COUNTY IN CENTRAL WASHINGTON...
NORTHWESTERN WASCO COUNTY IN NORTH CENTRAL OREGON...
THIS INCLUDES THE CITY OF CITY OF THE DALLES...
* UNTIL 745 PM PDT
* AT 633 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING NICKEL SIZE HAIL. THIS STORM WAS
LOCATED 28 MILES SOUTH OF CITY OF THE DALLES...OR 23 MILES EAST OF
GOVERNMENT CAMP...AND MOVING NORTHEAST AT 28 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES SOUTHEAST OF CITY OF THE DALLES BY 730 PM PDT...
7 MILES SOUTHEAST OF DALLESPORT BY 735 PM PDT...
CELILO AND WISHRAM BY 745 PM PDT...
LAT...LON 4526 12149 4551 12149 4552 12145 4556 12144
4569 12145 4572 12154 4576 12154 4578 12158
4599 12124 4582 12071 4567 12083 4564 12091
4559 12090 4514 12126 4525 12165 4526 12166
TIME...MOT...LOC 0143Z 207DEG 24KT 4527 12127
$$
MCJ2 follow-up statements
000
WWUS56 KPDT 080213
SVSPDT
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENDLETON OR
712 PM PDT THU AUG 7 2008
ORC065-WAC039-080245-
/O.CON.KPDT.SV.W.0021.000000T0000Z-080808T0245Z/
WASCO OR-KLICKITAT WA-
712 PM PDT THU AUG 7 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM PDT
FOR WESTERN KLICKITAT AND NORTH CENTRAL WASCO COUNTIES...
AT 706 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM THIS STORM WAS LOCATED NEAR DUFUR...
OR 13 MILES SOUTH OF CITY OF THE DALLES...MOVING NORTHEAST AT 28 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES SOUTHEAST OF CITY OF THE DALLES BY 730 PM PDT...
7 MILES SOUTHEAST OF DALLESPORT BY 735 PM PDT...
HAIL TO THE SIZE OF NICKELS IS LIKELY. FOR YOUR PROTECTION MOVE TO A
STURDY SHELTER UNTIL THE STORM PASSES.
LAT...LON 4526 12149 4551 12149 4552 12145 4556 12144
4569 12145 4572 12154 4576 12154 4578 12158
4599 12124 4582 12071 4567 12083 4564 12091
4559 12090 4514 12126 4525 12165 4526 12166
TIME...MOT...LOC 0212Z 207DEG 24KT 4544 12114
$$
MCJ000
WWUS56 KPDT 080246
SVSPDT
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENDLETON OR
745 PM PDT THU AUG 7 2008
ORC065-WAC039-080255-
/O.EXP.KPDT.SV.W.0021.000000T0000Z-080808T0245Z/
WASCO OR-KLICKITAT WA-
745 PM PDT THU AUG 7 2008
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KLICKITAT AND NORTH
CENTRAL WASCO COUNTIES HAS EXPIRED...
THUNDERSTORMS REMAIN STRONG IN NORTH CENTRAL WASCO COUNTY AND
WESTERN KLICKITAT COUNTY YET REMAIN BELOW SEVERE LEVELS. THE SEVERE
THUNDERSTORM WARNING IS NO LONGER IN EFFECT.
LAT...LON 4526 12149 4551 12149 4552 12145 4556 12144
4569 12145 4572 12154 4576 12154 4578 12158
4599 12124 4582 12071 4567 12083 4564 12091
4559 12090 4514 12126 4525 12165 4526 12166
TIME...MOT...LOC 0245Z 207DEG 24KT 4564 12100
$$
MCJThe office that day
Everything else NWS Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:44 PM PDT | Severe Thunderstorm Warning | PDT | Kittitas | 61 min |
| Aug 8, 1:44 PM PDT | Severe Thunderstorm Warning | PDT | Columbia, Walla Walla | 61 min |
| Aug 7, 5:09 PM PDT | Severe Thunderstorm Warning | PDT | Crook, Jefferson, Wheeler | 66 min |
| Aug 7, 6:40 PM PDT | Severe Thunderstorm Warning | PDT | Crook, Deschutes | 65 min |
| Aug 7, 6:58 PM PDT | Severe Thunderstorm Warning | PDT | Crook, Deschutes, Jefferson, Wasco | 62 min |
| Aug 7, 7:39 PM PDT | Severe Thunderstorm Warning | PDT | Crook, Jefferson, Wheeler | 66 min |
| Aug 7, 8:25 PM PDT | Severe Thunderstorm Warning | PDT | Wasco | 65 min |
| Aug 8, 2:24 PM PDT | Severe Thunderstorm Warning | PDT | Morrow, Umatilla | 66 min |
| Aug 8, 2:36 PM PDT | Severe Thunderstorm Warning | PDT | Gilliam, Jefferson, Sherman, Wasco, Wheeler | 54 min |
| Aug 8, 3:57 PM PDT | Severe Thunderstorm Warning | PDT | Morrow | 63 min |
| Aug 8, 4:37 PM PDT | Severe Thunderstorm Warning | PDT | Morrow, Umatilla | 53 min |
| Aug 8, 4:44 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla, Union, Wallowa | 61 min |
Nearby
Severe Thunderstorm Warnings in Washington, 2008Severe Thunderstorm Warnings in Oregon, 2008Every severe thunderstorm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.