Alert archive / Idaho / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 2, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at Jun 22, 2011, 7:25 PM PDT for Lewis County, Nez Perce County, Idaho; Asotin County, Washington. It was in force for 51 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 22, 2011, 7:25 PM PDT (02:25 UTC)
- Expired
- Jun 22, 2011, 8:16 PM PDT
- In force
- 51 min
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
Counties Lewis County, ID, Nez Perce County, ID, Asotin County, WA
The radar
The Pendleton radar (KPDT), 162 km from the middle of the area, began a volume at 02:26 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 22, 7:30 PM PDT | HAIL 1.75 | 5 E Anatone, WA | PUBLIC REPORT OF GOLF BALL SIZE HAIL OVER MONTGOMERY RIDGE |
| Jun 22, 7:42 PM PDT | TSTM WND DMG | 7 Sse Asotin, WA | TREE LIMBS 1 1/2 INCHES DOWN FROM THUNDERSTORM WINDS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 2.4 hours before the alert went out and 183 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
- 2770 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
239
WUUS56 KOTX 230225
SVROTX
IDC061-069-WAC003-230330-
/O.NEW.KOTX.SV.W.0002.110623T0225Z-110623T0330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
725 PM PDT WED JUN 22 2011
THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN LEWIS COUNTY IN NORTH CENTRAL IDAHO...
NEZ PERCE COUNTY IN NORTH CENTRAL IDAHO...
SOUTHEASTERN ASOTIN COUNTY IN SOUTHEAST WASHINGTON...
* UNTIL 830 PM PDT
* AT 721 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES
SOUTHEAST OF ANATONE...OR 22 MILES SOUTH OF LEWISTON...AND MOVING
NORTHEAST AT 30 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WAHA...WINCHESTER...CRAIGMONT...CULDESAC AND REUBENS
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 4594 11689 4599 11692 4599 11696 4611 11717
4649 11669 4631 11636 4592 11686
TIME...MOT...LOC 0223Z 216DEG 27KT 4609 11697
$$
JCOTE2 follow-up statements
412 WWUS56 KOTX 230254 SVSOTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPOKANE WA 754 PM PDT WED JUN 22 2011 WAC003-230303- /O.CAN.KOTX.SV.W.0002.000000T0000Z-110623T0330Z/ ASOTIN WA- 754 PM PDT WED JUN 22 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ASOTIN COUNTY IS CANCELLED... LAT...LON 4645 11669 4627 11643 4610 11666 4620 11693 TIME...MOT...LOC 0253Z 211DEG 14KT 4621 11684 $$ IDC061-069-230330- /O.CON.KOTX.SV.W.0002.000000T0000Z-110623T0330Z/ LEWIS ID-NEZ PERCE ID- 754 PM PDT WED JUN 22 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM PDT FOR CENTRAL NEZ PERCE AND WEST CENTRAL LEWIS COUNTIES... AT 749 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR WAHA... OR 15 MILES SOUTHEAST OF LEWISTON...MOVING NORTHEAST AT 15 MPH. THE STORM HAS WEAKENED SOME...LESSENING THE CHANCE OF ONE INCH HAIL. HOWEVER THERE REMAINS A THREAT OF WIND GUSTS NEAR 60 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINCHESTER...REUBENS...CULDESAC AND CRAIGMONT. LAT...LON 4645 11669 4627 11643 4610 11666 4620 11693 TIME...MOT...LOC 0253Z 211DEG 14KT 4621 11684 $$ JCOTE
713 WWUS56 KOTX 230316 SVSOTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPOKANE WA 816 PM PDT WED JUN 22 2011 IDC061-069-230325- /O.CAN.KOTX.SV.W.0002.000000T0000Z-110623T0330Z/ LEWIS ID-NEZ PERCE ID- 816 PM PDT WED JUN 22 2011 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NEZ PERCE AND WEST CENTRAL LEWIS COUNTIES IS CANCELLED... THE STORM HAS WEAKENED BELOW SEVERE LEVELS. HOWEVER LOCALLY HEAVY RAIN AND GUSTY WINDS TO 45 MPH...AND OCCASIONAL LIGHTNING WILL CONTINUE OVER THE REGION. LAT...LON 4645 11669 4627 11643 4610 11666 4620 11693 TIME...MOT...LOC 0315Z 216DEG 27KT 4641 11664 $$ JCOTE
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 5:38 PM PDT | Special Weather Statement | OTX | Nez Perce | 37 min |
| Jun 22, 5:42 PM PDT | Severe Thunderstorm Warning | OTX | Latah, Nez Perce | 26 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 2011Severe Thunderstorm Warnings in Washington, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.