Alert archive / Washington / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 19, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at Jul 7, 2012, 7:27 PM PDT for Whitman County, Washington. It was in force for 33 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
- Jul 7, 2012, 7:27 PM PDT (02:27 UTC)
- Expired
- Jul 7, 2012, 8:00 PM PDT
- In force
- 33 min
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
County Whitman County, WA
The radar
The Spokane radar (KOTX), 108 km from the middle of the area, began a volume at 02:28 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, 2.5 hours before the alert went out and 146 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
- 3675 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
704
WUUS56 KOTX 080227
SVROTX
WAC075-080300-
/O.NEW.KOTX.SV.W.0019.120708T0227Z-120708T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
727 PM PDT SAT JUL 7 2012
THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL WHITMAN COUNTY IN EASTERN WASHINGTON...
* UNTIL 800 PM PDT
* AT 724 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED 13 MILES SOUTH OF DUSTY...OR 28 MILES WEST OF
PULLMAN...AND MOVING NORTH AT 25 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DUSTY
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 4663 11785 4693 11784 4686 11731 4669 11750
4667 11758 4668 11762 4670 11766 4670 11774
4664 11778
TIME...MOT...LOC 0228Z 196DEG 23KT 4665 11771
$$
VAN HORN1 follow-up statement
453
WWUS56 KOTX 080302
SVSOTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
802 PM PDT SAT JUL 7 2012
WAC075-080312-
/O.EXP.KOTX.SV.W.0019.000000T0000Z-120708T0300Z/
WHITMAN WA-
802 PM PDT SAT JUL 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WHITMAN COUNTY HAS
EXPIRED...
DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND THE
WARNING WAS ALLOWED TO EXPIRE.
LAT...LON 4663 11785 4693 11784 4686 11731 4669 11750
4667 11758 4668 11762 4670 11766 4670 11774
4664 11778
TIME...MOT...LOC 0227Z 196DEG 23KT 4664 11771
$$
KELCHThe office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 6:04 PM PDT | Special Weather Statement | OTX | Asotin | 26 min |
| Jul 7, 6:52 PM PDT | Severe Thunderstorm Warning | OTX | Garfield | 38 min |
| Jul 7, 7:59 PM PDT | Severe Thunderstorm Warning | OTX | Whitman | 21 min |
| Jul 8, 6:34 AM PDT | Red Flag Warning | OTX | 40 hr |
Nearby
Severe Thunderstorm Warnings in Washington, 2012Every severe thunderstorm warning in 2012
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.