Alert archive / Washington / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 21, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at Aug 2, 2014, 3:04 PM PDT for Douglas County, Washington. It was in force for 29 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
- Aug 2, 2014, 3:04 PM PDT (22:04 UTC)
- Expired
- Aug 2, 2014, 3:33 PM PDT
- In force
- 29 min
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
County Douglas County, WA
The radar
The Spokane radar (KOTX), 169 km from the middle of the area, began a volume at 22:07 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 12:00Z, 10.1 hours before the alert went out and 260 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
- 2743 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
784
WUUS56 KOTX 022204
SVROTX
WAC017-022300-
/O.NEW.KOTX.SV.W.0021.140802T2204Z-140802T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
304 PM PDT SAT AUG 2 2014
THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL DOUGLAS COUNTY IN NORTHEAST WASHINGTON...
* UNTIL 400 PM PDT
* AT 303 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL AND DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 12 MILES SOUTHEAST OF
CHELAN...OR 28 MILES NORTHEAST OF WENATCHEE...AND MOVING NORTH AT
15 MPH.
* LOCATIONS IMPACTED INCLUDE...
WITHROW.
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 4785 11995 4787 11991 4790 11992 4794 11986
4796 11988 4801 11987 4795 11955 4763 11982
4766 11997
TIME...MOT...LOC 2203Z 196DEG 15KT 4771 11987
$$
SB2 follow-up statements
817
WWUS56 KOTX 022225
SVSOTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
325 PM PDT SAT AUG 2 2014
WAC017-022300-
/O.CON.KOTX.SV.W.0021.000000T0000Z-140802T2300Z/
DOUGLAS WA-
325 PM PDT SAT AUG 2 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM PDT
FOR NORTHWESTERN DOUGLAS COUNTY...
AT 324 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS TO 60 MPH ALONG WITH VERY HEAVY
RAINFALL. THIS STORM WAS LOCATED 9 MILES EAST OF CHELAN...OR NEAR
WINTHROW...MOVING NORTH AT 15 MPH. PENNY SIZE HAIL MAY ALSO
ACCOMPANY THE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
WITHROW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4785 11995 4787 11991 4787 11984 4790 11981
4786 11966 4768 11982 4771 11991
TIME...MOT...LOC 2224Z 196DEG 15KT 4780 11983
$$
SB676
WWUS56 KOTX 022233
SVSOTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
333 PM PDT SAT AUG 2 2014
WAC017-022242-
/O.CAN.KOTX.SV.W.0021.000000T0000Z-140802T2300Z/
DOUGLAS WA-
333 PM PDT SAT AUG 2 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DOUGLAS COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED. A SECOND STRONG
THUNDERSTORM CAPABLE OF WINDS TO 58 MPH AND PENNY TO NICKEL SIZE
HAIL HAS DEVELOPED SOUTH OF WINTHROW AND WILL TRACK NORTH BETWEEN
MANSFIELD AND MOLD.
LAT...LON 4785 11995 4787 11991 4787 11984 4790 11981
4786 11966 4768 11982 4771 11991
TIME...MOT...LOC 2224Z 196DEG 15KT 4783 11982
$$
SBThe office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 9:59 AM PDT | Red Flag Warning | OTX | 13 hr | |
| Aug 2, 2:02 PM PDT | Special Weather Statement | OTX | Ferry | 28 min |
| Aug 2, 2:07 PM PDT | Special Weather Statement | OTX | Okanogan | 38 min |
| Aug 2, 2:24 PM PDT | Special Weather Statement | OTX | Ferry | 36 min |
| Aug 2, 2:31 PM PDT | Special Weather Statement | OTX | Okanogan | 59 min |
| Aug 2, 3:14 PM PDT | Special Weather Statement | OTX | Ferry | 61 min |
| Aug 2, 3:20 PM PDT | Special Weather Statement | OTX | Douglas | 40 min |
| Aug 2, 3:59 PM PDT | Special Weather Statement | OTX | Pend Oreille | 61 min |
| Aug 2, 4:04 PM PDT | Special Weather Statement | OTX | 26 min | |
| Aug 2, 4:05 PM PDT | Special Weather Statement | OTX | Stevens | 55 min |
| Aug 2, 4:38 PM PDT | Flash Flood Warning | OTX | Ferry | 3 hr |
| Aug 2, 4:54 PM PDT | Severe Thunderstorm Warning | OTX | Ferry, Lincoln, Okanogan, Stevens | 51 min |
Nearby
Severe Thunderstorm Warnings in Washington, 2014Every severe thunderstorm warning in 2014
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.