Alert archive / Washington / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at Jun 15, 2021, 12:43 AM PDT for Lincoln County, Stevens County, Washington. It was in force for 47 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 15, 2021, 12:43 AM PDT (07:43 UTC)
- Expired
- Jun 15, 2021, 1:30 AM PDT
- In force
- 47 min
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Lincoln County, WA, Stevens County, WA
The radar
The Spokane radar (KOTX), 35 km from the middle of the area, began a volume at 07:43 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, 7.7 hours before the alert went out and 121 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2457 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
451 WUUS56 KOTX 150743 SVROTX WAC043-065-150830- /O.NEW.KOTX.SV.W.0002.210615T0743Z-210615T0830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Spokane WA 1243 AM PDT Tue Jun 15 2021 The National Weather Service in Spokane has issued a * Severe Thunderstorm Warning for... Northeastern Lincoln County in eastern Washington... South central Stevens County in northeastern Washington... * Until 130 AM PDT. * At 1242 AM PDT, a severe thunderstorm was located 9 miles northeast of Davenport, or 28 miles northwest of Cheney, moving north at 60 mph. HAZARD...Quarter size hail. Wind gusts up to 45 MPH. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Chewelah, Davenport, Gravelles, Little Falls Dam, Wellpinit and Mondovi. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4758 11801 4761 11820 4832 11805 4828 11772 TIME...MOT...LOC 0742Z 190DEG 64KT 4777 11802 HAIL...1.00IN WIND...<50MPH $$ JW
1 follow-up statement
038
WWUS56 KOTX 150757
SVSOTX
Severe Weather Statement
National Weather Service Spokane WA
1257 AM PDT Tue Jun 15 2021
WAC043-150805-
/O.CAN.KOTX.SV.W.0002.000000T0000Z-210615T0830Z/
Lincoln WA-
1257 AM PDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LINCOLN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area into Stevens county. Therefore, the warning has been
cancelled.
LAT...LON 4784 11790 4790 11811 4832 11805 4828 11772
TIME...MOT...LOC 0755Z 189DEG 57KT 4791 11799
$$
WAC065-150830-
/O.CON.KOTX.SV.W.0002.000000T0000Z-210615T0830Z/
Stevens WA-
1257 AM PDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM PDT
FOR SOUTH CENTRAL STEVENS COUNTY...
At 1255 AM PDT, a severe thunderstorm was located 19 miles northeast
of Davenport, or 31 miles northwest of Spokane, moving north at 60
mph.
HAZARD...Quarter size hail. Wind gusts up to 45 MPH.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Chewelah and Wellpinit.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4784 11790 4790 11811 4832 11805 4828 11772
TIME...MOT...LOC 0755Z 189DEG 57KT 4791 11799
HAIL...1.00IN
WIND...<50MPH
$$
JWThe office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 12:43 AM PDT | Special Weather Statement | OTX | Whitman | 32 min |
| Jun 15, 3:00 AM PDT | Severe Thunderstorm Warning | OTX | Pend Oreille, Spokane | 30 min |
| Jun 15, 3:29 AM PDT | Special Weather Statement | OTX | Whitman | 46 min |
| Jun 15, 2:10 PM PDT | Special Weather Statement | OTX | Spokane | 50 min |
| Jun 15, 3:11 PM PDT | Special Weather Statement | OTX | Spokane | 49 min |
Nearby
Severe Thunderstorm Warnings in Washington, 2021Every severe thunderstorm warning in 2021
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.