Alert archive / Washington / Special Weather Statements in 2012
Special Weather Statement, NWS Pendleton, OR
NWS Pendleton, OR issued this special weather statement at Jul 19, 2012, 5:21 PM PDT for Benton County, Washington. It was in force for 24 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
- Jul 19, 2012, 5:21 PM PDT (00:21 UTC)
- Expired
- Jul 19, 2012, 5:45 PM PDT
- In force
- 24 min
- Issued by
- NWS Pendleton, OR
County Benton County, WA
The radar
The Pendleton radar (KPDT), 40 km from the middle of the area, began a volume at 00:24 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
Spokane, WA (KOTX), launched 00:00Z, 0.4 hours before the alert went out and 287 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
- 239 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 2541 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
386 WWUS86 KPDT 200021 SPSPDT SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PENDLETON OR 521 PM PDT THU JUL 19 2012 ORZ044-WAZ028-200045- LOWER COLUMBIA BASIN OF OREGON OR-LOWER COLUMBIA BASIN OF WASHINGTON WA- 521 PM PDT THU JUL 19 2012 ...SIGNIFICANT WEATHER ADVISORY FOR EXTREME SOUTHWESTERN WALLA WALLA...NORTHWESTERN UMATILLA AND SOUTHEASTERN BENTON COUNTIES UNTIL 545 PM PDT... AT 515 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR STANFIELD...OR 6 MILES EAST OF HERMISTON... MOVING NORTH AT 25 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. LAT...LON 4615 11935 4615 11890 4569 11904 4570 11931 TIME...MOT...LOC 0021Z 180DEG 23KT 4586 11915 $$
The office that day
Everything else NWS Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 5:44 PM PDT | Special Weather Statement | PDT | Grant | 31 min |
| Jul 19, 6:31 PM PDT | Special Weather Statement | PDT | Morrow | 29 min |
| Jul 20, 11:40 AM PDT | Special Weather Statement | PDT | Morrow | 65 min |
| Jul 20, 12:15 PM PDT | Special Weather Statement | PDT | Umatilla | 60 min |
| Jul 20, 12:15 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla | 60 min |
| Jul 20, 12:42 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla | 63 min |
| Jul 20, 12:53 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla, Union | 67 min |
| Jul 20, 1:34 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla, Union, Wallowa | 56 min |
| Jul 19, 7:45 PM PDT | Special Weather Statement | PDT | Franklin | 30 min |
| Jul 20, 9:02 AM PDT | Special Weather Statement | PDT | Kittitas | 58 min |
| Jul 20, 11:18 AM PDT | Special Weather Statement | PDT | Asotin | 27 min |
| Jul 20, 11:58 AM PDT | Special Weather Statement | PDT | Asotin | 32 min |
| Jul 20, 12:30 PM PDT | Special Weather Statement | PDT | Kittitas | 60 min |
| Jul 20, 12:30 PM PDT | Severe Thunderstorm Warning | PDT | Benton, Yakima | 60 min |
| Jul 20, 2:18 PM PDT | Severe Thunderstorm Warning | PDT | Columbia | 25 min |
Nearby
Special Weather Statements in Washington, 2012Every special weather statement in 2012
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.