Alert archive / Washington / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 20, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at Jul 12, 2022, 11:44 PM PDT for Adams County, Spokane County, Whitman 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 counties it named.
The facts
- Issued
- Jul 12, 2022, 11:44 PM PDT (06:44 UTC)
- Expired
- Jul 13, 2022, 12:30 AM PDT
- In force
- 46 min
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Adams County, WA, Spokane County, WA, Whitman County, WA
The radar
The Spokane radar (KOTX), 59 km from the middle of the area, began a volume at 06:48 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, 6.7 hours before the alert went out and 123 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
- 714 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 2465 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 12, 9:58 PM PDT, 1 hour 46 minutes earlier.
Area forecast discussion, Jul 12, 9:58 PM PDT, 1 hour 46 minutes before
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</html>Hazardous weather outlook, Jul 12, 3:55 AM PDT, 19 hours 49 minutes before
Hazardous Weather Outlook National Weather Service Spokane WA 355 AM PDT Tue Jul 12 2022 IDZ026-WAZ032-131300- Lewiston Area-Lower Garfield and Asotin Counties- 355 AM PDT Tue Jul 12 2022 This Hazardous Weather Outlook is for portions of North Central Idaho and Southeast Washington. .DAY ONE...TODAY AND TONIGHT Hot temperatures today could lead to heat related illnesses for those who lack effective cooling or are heat sensitive. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY No hazardous weather is expected at this time. Please refer to our Graphical Hazardous Weather Outlook at https://weather.gov/erh/ghwo?wfo=otx for the latest information on potential weather hazards in the region. IDZ001>004-027-WAZ031-033>038-041-043-044-047>049-131300- Northern Panhandle-Coeur d'Alene Area-Idaho Palouse- Central Panhandle Mountains-Lewis and Southern Nez Perce Counties- Northeast Blue Mountains-Washington Palouse-Moses Lake Area- Upper Columbia Basin-Spokane Area-Northeast Mountains- Okanogan Highlands-Wenatchee Area-Okanogan Valley- Waterville Plateau-Central Chelan County-Western Chelan County- Western Okanogan County- 355 AM PDT Tue Jul 12 2022 This Hazardous Weather Outlook is for portions of North Idaho... North Central Idaho...Central Washington...East Central Washington...North Central Washington...Northeast Washington and Southeast Washington. .DAY ONE...TODAY AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY No hazardous weather is expected at this time. Please refer to our Graphical Hazardous Weather Outlook at https://weather.gov/erh/ghwo?wfo=otx for the latest information on potential weather hazards in the region.
In the hours before
Special weather statement, Jul 12, 11:20 PM PDT, 24 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 |
|---|---|---|---|---|
| Jul 12, 11:20 PM PDT | Special Weather Statement | OTX | Whitman | 25 min |
| Jul 13, 12:34 AM PDT | Special Weather Statement | OTX | Adams | 26 min |
| Jul 13, 12:57 AM PDT | Special Weather Statement | OTX | Adams | 33 min |
| Jul 13, 1:19 AM PDT | Special Weather Statement | OTX | Whitman | 26 min |
| Jul 13, 3:03 AM PDT | Red Flag Warning | OTX | Chelan, Douglas | 17 hr |
| Jul 12, 11:57 PM PDT | Special Weather Statement | OTX | Kootenai | 33 min |
| Jul 13, 12:23 AM PDT | Special Weather Statement | OTX | Benewah | 22 min |
| Jul 13, 12:50 AM PDT | Special Weather Statement | OTX | Kootenai | 25 min |
| Jul 13, 1:25 AM PDT | Special Weather Statement | OTX | Shoshone | 35 min |
Nearby
Severe Thunderstorm Warnings in Washington, 2022Every severe thunderstorm warning in 2022
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.