Alert archive / Washington / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 2, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at May 5, 2017, 3:13 AM PDT for Adams County, Grant County, Lincoln 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
- May 5, 2017, 3:13 AM PDT (10:13 UTC)
- Expired
- May 5, 2017, 4:00 AM PDT
- In force
- 47 min
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
Counties Adams County, WA, Grant County, WA, Lincoln County, WA
The radar
The Spokane radar (KOTX), 115 km from the middle of the area, began a volume at 10:15 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, 10.2 hours before the alert went out and 203 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
- 9 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 2433 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
281 WUUS56 KOTX 051013 SVROTX WAC001-025-043-051100- /O.NEW.KOTX.SV.W.0002.170505T1013Z-170505T1100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Spokane WA 313 AM PDT FRI MAY 5 2017 The National Weather Service in Spokane has issued a * Severe Thunderstorm Warning for... North central Adams County in north central Washington... Southwestern Lincoln County in eastern Washington... East central Grant County in north central Washington... * Until 400 AM PDT * At 313 AM PDT, Doppler radar indicated a severe thunderstorm capable of producing damaging winds in excess of 60 mph. This storm was located 9 miles north of Warden, or 10 miles east of Moses Lake, and moving north at 55 mph. Nickel size hail may also accompany the damaging winds. * Locations impacted include... Moses Lake, Wilson Creek, Krupp, Irby, Marlin, Moody, Ruff and Wheeler. PRECAUTIONARY/PREPAREDNESS ACTIONS... Severe thunderstorms produce damaging winds, destructive hail, deadly lightning and very heavy rain. For your protection, move to an interior room on the lowest floor of your home or business. Heavy rains flood roads quickly so do not drive into areas where water covers the road. && LAT...LON 4705 11904 4711 11926 4764 11920 4750 11859 TIME...MOT...LOC 1013Z 201DEG 46KT 4711 11906 $$ AK
1 follow-up statement
240
WWUS56 KOTX 051041
SVSOTX
Severe Weather Statement
National Weather Service Spokane WA
341 AM PDT FRI MAY 5 2017
WAC001-051049-
/O.CAN.KOTX.SV.W.0002.000000T0000Z-170505T1100Z/
Adams WA-
341 AM PDT FRI MAY 5 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ADAMS COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
LAT...LON 4727 11883 4727 11924 4764 11920 4750 11859
TIME...MOT...LOC 1039Z 201DEG 46KT 4743 11888
$$
WAC025-043-051100-
/O.CON.KOTX.SV.W.0002.000000T0000Z-170505T1100Z/
Lincoln WA-Grant WA-
341 AM PDT FRI MAY 5 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM PDT
FOR SOUTHWESTERN LINCOLN AND EAST CENTRAL GRANT COUNTIES...
At 339 AM PDT, Doppler radar indicated a severe thunderstorm capable
of producing damaging winds in excess of 60 mph. This storm was
located 23 miles southeast of Banks Lake South, or 28 miles
northeast of Moses Lake, moving north at 55 mph. Penny size hail may
also accompany the damaging winds.
Locations impacted include...
Wilson Creek, Krupp, Irby and Marlin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Severe thunderstorms produce damaging winds, destructive hail, deadly
lightning and very heavy rain. For your protection move to an
interior room on the lowest floor of your home or business. Heavy
rains flood roads quickly so do not drive into areas where water
covers the road.
&&
LAT...LON 4727 11883 4727 11924 4764 11920 4750 11859
TIME...MOT...LOC 1039Z 201DEG 46KT 4743 11888
$$
AKThe office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 2:11 AM PDT | Special Weather Statement | OTX | Grant | 34 min |
| May 5, 2:29 AM PDT | Special Weather Statement | OTX | Grant | 31 min |
| May 5, 2:44 AM PDT | Severe Thunderstorm Warning | OTX | Douglas, Grant, Lincoln, Okanogan | 46 min |
| May 5, 3:20 AM PDT | Special Weather Statement | OTX | Ferry | 40 min |
| May 5, 3:46 AM PDT | Special Weather Statement | OTX | Lincoln | 44 min |
| May 5, 9:13 AM PDT | Areal Flood Advisory | OTX | Okanogan | 6 hr |
| May 5, 10:17 AM PDT | River Flood Warning | OTX | Chelan | 41 hr |
| May 5, 10:58 AM PDT | River Flood Watch | OTX | Okanogan | 4 days |
| May 5, 11:35 AM PDT | River Flood Warning | OTX | Ferry | 63 hr |
| May 5, 2:57 PM PDT | Areal Flood Advisory | OTX | Okanogan | 19 hr |
| May 5, 4:13 PM PDT | Severe Thunderstorm Warning | OTX | Asotin | 47 min |
Nearby
Severe Thunderstorm Warnings in Washington, 2017Every severe thunderstorm warning in 2017
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.