Alert archive / Washington / Special Weather Statements in 2018
Special Weather Statement, NWS Spokane, WA
NWS Spokane, WA issued this special weather statement at Jun 21, 2018, 4:29 PM PDT for Lincoln County, Washington. It was in force for 46 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
- Jun 21, 2018, 4:29 PM PDT (23:29 UTC)
- Expired
- Jun 21, 2018, 5:15 PM PDT
- In force
- 46 min
- Issued by
- NWS Spokane, WA
County Lincoln County, WA
The radar
The Spokane radar (KOTX), 61 km from the middle of the area, began a volume at 23:29 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 12:00Z, 11.5 hours before the alert went out and 151 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
- 18 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 1724 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before this special weather statement went out at Jun 21, 2:26 PM PDT, 2 hours 3 minutes earlier.
Area forecast discussion, Jun 21, 2:26 PM PDT, 2 hours 3 minutes before
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</html>Hazardous weather outlook, Jun 21, 6:28 AM PDT, 10 hours 1 minute before
Hazardous Weather Outlook National Weather Service Spokane WA 628 AM PDT Thu Jun 21 2018 IDZ001>004-026-027-WAZ031>033-036>038-221330- Northern Panhandle-Coeur d'Alene Area-Idaho Palouse- Central Panhandle Mountains-Lewiston Area- Lewis and Southern Nez Perce Counties-Northeast Blue Mountains- Lower Garfield and Asotin Counties-Washington Palouse- Spokane Area-Northeast Mountains-Okanogan Highlands- 628 AM PDT Thu Jun 21 2018 This Hazardous Weather Outlook is for portions of North Idaho... North Central Idaho...North Central Washington...Northeast Washington and Southeast Washington. .DAY ONE...TODAY AND TONIGHT Slow moving thunderstorms containing very heavy rain are expected today. Showers with embedded thunderstorms will be focused over southeast Washington and into the Central Idaho Panhandle this morning. Thunderstorms over Northeast Washington and the Northern Panhandle will be more likely in the afternoon. Flash flooding will be a concern with these thunderstorms, especially in areas of steep terrain. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY No hazardous weather is expected at this time. WAZ034-035-041>044-221330- Moses Lake Area-Upper Columbia Basin-Wenatchee Area- East Slopes Northern Cascades-Okanogan Valley-Waterville Plateau- 628 AM PDT Thu Jun 21 2018 This Hazardous Weather Outlook is for portions of Central Washington...East Central Washington and North Central Washington. .DAY ONE...TODAY AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY Cold fronts on Friday and again on Monday will produce windy conditions through the Cascade gaps and out over the Columbia Basin. Gusty winds will result in increased fire spread in grasses for any new or ongoing fires.
In the hours before
Special weather statement, Jun 21, 1:42 PM PDT, 2 hours 47 minutes before
Special Weather Statement National Weather Service Spokane WA 142 PM PDT THU JUN 21 2018 WAZ038-212115- Okanogan Highlands WA- 142 PM PDT THU JUN 21 2018 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL FERRY COUNTY UNTIL 215 PM PDT... At 142 PM PDT, Doppler radar was tracking a strong thunderstorm 24 miles east of Nespelem Community, or 49 miles east of Omak, and near Twin Lakes, moving south at 10 mph. Nickel size hail will be possible with this storm. This storm will remain over mainly rural areas of south central Ferry County. LAT...LON 4828 11861 4827 11834 4806 11834 4808 11867 TIME...MOT...LOC 2042Z 005DEG 8KT 4821 11849 RP
Special weather statement, Jun 21, 2:38 PM PDT, 1 hour 51 minutes before
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</html>Special weather statement, Jun 21, 3:45 PM PDT, 44 minutes before
Special Weather Statement
National Weather Service Spokane WA
345 PM PDT THU JUN 21 2018
WAZ038-212330-
Okanogan Highlands WA-
345 PM PDT THU JUN 21 2018
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN FERRY AND
NORTHEASTERN OKANOGAN COUNTIES UNTIL 430 PM PDT...
At 345 PM PDT, Doppler radar was tracking a strong thunderstorm 20
miles east of Oroville, or 42 miles northeast of Omak, moving
southeast at 5 mph.
Nickel size hail will be possible with this storm.
Locations impacted include...
Lost Lake Campground.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4886 11873 4875 11881 4871 11891 4888 11915
4893 11903 4900 11897 4900 11894
TIME...MOT...LOC 2245Z 313DEG 5KT 4890 11898
RPSpecial weather statement, Jun 21, 3:49 PM PDT, 40 minutes before
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</html>Special weather statement, Jun 21, 4:29 PM PDT, 0 minutes before
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</html>The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:05 PM PDT | Special Weather Statement | OTX | Ferry | 40 min |
| Jun 20, 9:30 PM PDT | Flood Watch | OTX | Ferry, Pend Oreille, Spokane, Stevens | 28 hr |
| Jun 21, 5:36 AM PDT | Areal Flood Advisory | OTX | Asotin, Garfield | 5 hr |
| Jun 21, 12:57 PM PDT | Special Weather Statement | OTX | Stevens | 48 min |
| Jun 21, 1:15 PM PDT | Severe Thunderstorm Warning | OTX | Ferry | 45 min |
| Jun 21, 1:42 PM PDT | Special Weather Statement | OTX | Ferry | 33 min |
| Jun 21, 1:54 PM PDT | Severe Thunderstorm Warning | OTX | Ferry | 51 min |
| Jun 21, 2:13 PM PDT | Areal Flood Advisory | OTX | Ferry, Okanogan | 3 hr |
| Jun 21, 2:38 PM PDT | Special Weather Statement | OTX | Pend Oreille | 52 min |
| Jun 21, 2:55 PM PDT | Areal Flood Advisory | OTX | Ferry, Okanogan | 3 hr |
| Jun 21, 3:00 PM PDT | Special Weather Statement | OTX | Pend Oreille | 45 min |
| Jun 21, 3:45 PM PDT | Special Weather Statement | OTX | Ferry | 45 min |
| Jun 21, 4:16 PM PDT | Severe Thunderstorm Warning | OTX | Pend Oreille, Stevens | 44 min |
| Jun 21, 4:46 PM PDT | Special Weather Statement | OTX | Pend Oreille | 44 min |
| Jun 21, 4:51 PM PDT | Special Weather Statement | OTX | Spokane | 39 min |
| Jun 21, 3:49 PM PDT | Special Weather Statement | OTX | Boundary | 41 min |
Nearby
Special Weather Statements in Washington, 2018Every special weather statement in 2018
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.