Alert archive / Washington / Flash Flood Watches in 2014
Flash Flood Watch 4, NWS Spokane, WA
NWS Spokane, WA issued this flash flood watch at Aug 11, 2014, 3:16 PM PDT for 4 counties in Washington. It took effect at Aug 12, 2014, 5:00 PM PDT. It was in force for 3 days.
The area
The counties it named.
The facts
- Issued
- Aug 11, 2014, 3:16 PM PDT (22:16 UTC)
- In effect from
- Aug 12, 2014, 5:00 PM PDT
- Expired
- Aug 15, 2014, 8:00 PM PDT
- In force
- 3 days
- Issued by
- NWS Spokane, WA
- Flood severity
- None
Counties Chelan County, WA, Douglas County, WA, Ferry County, WA, Okanogan County, WA
The radar
The Spokane radar (KOTX), 159 km from the middle of the area, began a volume at 22:19 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, 10.3 hours before the alert went out and 247 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
- 2961 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
888 WGUS66 KOTX 112216 FFAOTX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 316 PM PDT MON AUG 11 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS TUESDAY NIGHT THROUGH THURSDAY NIGHT... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ038-041>043-121215- /O.NEW.KOTX.FF.A.0004.140813T0000Z-140815T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OKANOGAN HIGHLANDS-WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- OKANOGAN VALLEY- INCLUDING THE CITIES OF...REPUBLIC...INCHELIUM...WAUCONDA... WENATCHEE...CHELAN...ENTIAT...CASHMERE...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...OMAK...OKANOGAN... BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM 316 PM PDT MON AUG 11 2014 ...FLASH FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A * FLASH FLOOD WATCH FOR A PORTION OF NORTH CENTRAL WASHINGTON... INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN HIGHLANDS...OKANOGAN VALLEY AND WENATCHEE AREA. * FROM TUESDAY AFTERNOON THROUGH THURSDAY EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. * IT TAKES AS LITTLE AS TEN OR FIFTEEN MINUTES OF HEAVY RAIN TO CAUSE FLASH FLOODING AND DEBRIS FLOWS IN AND BELOW AREAS AFFECTED BY WILDFIRES. RAIN RUNS OFF ALMOST INSTANTLY FROM BURNED SOILS...CAUSING CREEKS AND DRAINAGES TO FLOOD AT A MUCH FASTER RATE THAN NORMAL. SOILS IN A BURN SCAR CAN ALSO BECOME UNSTABLE WHEN IT RAINS...SOMETIMES RESULTING IN DEBRIS FLOWS AND FALLING ROCK. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$
9 follow-up statements
067 WGUS66 KOTX 120226 FFAOTX FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 726 PM PDT MON AUG 11 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS TUESDAY NIGHT THROUGH THURSDAY NIGHT... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ038-120330- /O.CAN.KOTX.FF.A.0004.140813T0000Z-140815T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OKANOGAN HIGHLANDS- 726 PM PDT MON AUG 11 2014 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR A PORTION OF NORTH CENTRAL WASHINGTON HAS BEEN CANCELLED. THERE WILL BE ISOLATED TO SCATTERED THUNDERSTORMS ACROSS THE REGION...BUT THE THREAT FOR HEAVY RAIN LEADING TO FLOODING ON THE AREA BURN SCARS IS MINIMAL. $$ WAZ041>043-121430- /O.CON.KOTX.FF.A.0004.140813T0000Z-140815T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 726 PM PDT MON AUG 11 2014 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTH CENTRAL WASHINGTON...INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN VALLEY AND WENATCHEE AREA. * FROM TUESDAY AFTERNOON THROUGH THURSDAY EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$
668 WGUS66 KOTX 121308 FFAOTX FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 608 AM PDT TUE AUG 12 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS TUESDAY NIGHT THROUGH THURSDAY NIGHT... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ041>043-130115- /O.CON.KOTX.FF.A.0004.140813T0000Z-140815T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 608 AM PDT TUE AUG 12 2014 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 5 PM PDT THIS AFTERNOON THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTH CENTRAL WASHINGTON...INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN VALLEY AND WENATCHEE AREA. * FROM 5 PM PDT THIS AFTERNOON THROUGH THURSDAY EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$
968 WGUS66 KOTX 130418 FFAOTX FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 918 PM PDT TUE AUG 12 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS TUESDAY NIGHT THROUGH THURSDAY NIGHT... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ041>043-131730- /O.CON.KOTX.FF.A.0004.000000T0000Z-140815T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 918 PM PDT TUE AUG 12 2014 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTH CENTRAL WASHINGTON...INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN VALLEY AND WENATCHEE AREA. * THROUGH THURSDAY EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$
330 WGUS66 KOTX 131654 FFAOTX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 954 AM PDT WED AUG 13 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS THROUGH FRIDAY EVENING... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ041>043-140700- /O.EXT.KOTX.FF.A.0004.000000T0000Z-140816T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 954 AM PDT WED AUG 13 2014 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH FRIDAY EVENING... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * A PORTION OF NORTH CENTRAL WASHINGTON...INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN VALLEY AND WENATCHEE AREA. * THROUGH FRIDAY EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...THE DUNCAN FIRE AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$ LN
532 WGUS66 KOTX 140906 FFAOTX FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 206 AM PDT THU AUG 14 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS THROUGH FRIDAY EVENING... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ041>043-142300- /O.CON.KOTX.FF.A.0004.000000T0000Z-140816T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 206 AM PDT THU AUG 14 2014 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTH CENTRAL WASHINGTON...INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN VALLEY AND WENATCHEE AREA. * THROUGH FRIDAY EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...THE DUNCAN FIRE AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$
261 WGUS66 KOTX 142116 FFAOTX FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 216 PM PDT THU AUG 14 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS THROUGH FRIDAY EVENING... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ041>043-150615- /O.CON.KOTX.FF.A.0004.000000T0000Z-140816T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 216 PM PDT THU AUG 14 2014 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTH CENTRAL WASHINGTON...INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN VALLEY AND WENATCHEE AREA. * THROUGH FRIDAY EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...THE DUNCAN FIRE AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$
224 WGUS66 KOTX 150552 FFAOTX FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 1052 PM PDT THU AUG 14 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS THROUGH THIS EVENING... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ041>043-160600- /O.CON.KOTX.FF.A.0004.000000T0000Z-140816T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 1052 PM PDT THU AUG 14 2014 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTH CENTRAL WASHINGTON...INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN VALLEY AND WENATCHEE AREA. * THROUGH THIS EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...THE DUNCAN FIRE AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$
298 WGUS66 KOTX 152038 FFAOTX FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 138 PM PDT FRI AUG 15 2014 ...FLASH FLOODING POSSIBLE ON RECENT BURN AREAS THROUGH THIS EVENING... ..BRIEF DOWNPOURS FROM ISOLATED TO SCATTERED THUNDERSTORMS COULD PRODUCE FLASH FLOODING ACROSS AREAS THAT HAVE EXPERIENCED RECENT WILDFIRES. DEBRIS FLOWS AND RAPID RUNOFF WOULD BE A SIGNIFICANT THREAT IN THIS CASE.. WAZ041>043-160445- /O.CON.KOTX.FF.A.0004.000000T0000Z-140816T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 138 PM PDT FRI AUG 15 2014 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTH CENTRAL WASHINGTON...INCLUDING THE FOLLOWING AREAS...EAST SLOPES NORTHERN CASCADES...OKANOGAN VALLEY AND WENATCHEE AREA. * UNTIL 11 PM PDT THIS EVENING * ISOLATED TO SCATTERED THUNDERSTORMS PRODUCING POCKETS OF HEAVIER RAINFALL COULD LINGER OVER RECENT AND PAST BURN SCARS FROM WILDFIRES. * THE AREAS AT GREATEST RISK ARE IN AND BELOW THE AREAS BURNED BY THE RECENT WILDFIRES IN THE EAST CASCADES...INCLUDING THE COUGAR AND CARLTON COMPLEX FIRES...THE CHIWAUKUM COMPLEX...THE MILLS CANYON FIRE...THE LONE MOUNTAIN FIRE...THE LITTLE BRIDGE CREEK FIRE...THE DUNCAN FIRE AND THE UPPER FALLS FIRE. AREAS BURNED IN THE 2012 AND 2013 WILDFIRES ALSO STILL HAVE AN INCREASED RISK OF FLASH FLOODING. RUSHING WATER AND DEBRIS...INCLUDING TREES AND ROCKS...CAN DAMAGE OR DESTROY CULVERTS...BRIDGES...ROADS...AND BUILDINGS. FLASH FLOODING AND DEBRIS FLOW PATHS ARE UNPREDICTABLE AND CAN AFFECT LOCATIONS THAT ARE MILES AWAY FROM A BURNED AREA AND AREAS THAT DO NOT USUALLY FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX && $$
169 WGUS66 KOTX 160300 FFAOTX FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 800 PM PDT FRI AUG 15 2014 WAZ041>043-160400- /O.CAN.KOTX.FF.A.0004.000000T0000Z-140816T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 800 PM PDT FRI AUG 15 2014 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR A PORTION OF NORTH CENTRAL WASHINGTON HAS BEEN CANCELLED. THE THUNDERSTORM ACTIVITY HAS DECREASED ACROSS THE REGION...AND THREAT FOR ADDITIONAL HEAVY RAIN HAS ENDED. $$
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before this flash flood watch went out at Aug 11, 3:16 PM PDT, 0 minutes earlier.
Area forecast discussion, Aug 11, 3:16 PM PDT, 0 minutes before
Area Forecast Discussion
National Weather Service Spokane WA
316 PM PDT MON AUG 11 2014
.SYNOPSIS...
The potential for thunderstorms will increase this evening as our
next storm system moves into the region. The main impacts with the
storms tonight will be gusty winds leading to the potential for
blowing dust. Stronger thunderstorms are possible Tuesday
afternoon and evening with hail, abundant lightning, gusty winds
and flash flooding all possible. Wednesday, Thursday and Friday
have the potential for more showers and thunderstorms. Seasonal
temperatures and drier conditions is a good bet for next weekend.
&&
.DISCUSSION...
POSSIBLE FLASH FLOODING ALONG THE CASCADES WILDFIRE AREAS DUE TO
HEAVY RAINFALL FROM THUNDERSTORMS TUESDAY NIGHT THROUGH THURSDAY
NIGHT
Tonight through Tuesday night: A deep trough of lower pressure in
the Gulf of Alaska will kick up a closed low off of California
tonight. This is expected to increase the potential for some
elevated convection tonight out of northern Oregon. Thunderstorms
tonight will be more isolated in coverage, but may result in some
outflow winds and blowing dust into southern WA this evening.
Better dynamics and instability tomorrow will set up the potential
for stronger and potentially some severe thunderstorms late in the
afternoon into the evening. The main threat will be for strong
outflow winds across the basin and propagating northward across
the region. There will also be a chance for some hail with the
stronger storms, but the main impact will be with winds. Another
concern that we will have to keep an eye out for will be with the
potential for Flash Flooding in the evening across the burn scar
areas in the Cascades. The line of thunderstorms is expected to
shift north of the region overnight on Tuesday. Lighting and
outflow winds will also be problematic for ongoing fire or any new
fires that get started up. /SVH
Wednesday through Friday: A slow moving Low will pass through the
region along the WA/OR border. The model agreement is high between the
GFS and the ECMWF. This will bring widespread rain and the
potential for thunderstorms to the Inland Northwest. The
instability associated with this system is weaker than the
previous wave but will still have potential to produce
thunderstorm cells which can bring brief heavy downpours with
gusty winds associated with downdrafts of collapsing cells. Flash
flooding is possible to the recent wildfire areas in the CHILEAN
and OKANOGAN counties. The Low is expected to exit the region by
late Friday into early Saturday and limit the precipitation
chances to higher elevations of the Inland Northwest. Temperatures
will begin this period around the season normals and finish the
period on the warm side of the season normals. /JDC
Friday Night through Monday Night: The persistent area of low
pressure that brought thunderstorms to the region earlier in the
week will continue to influence our weather moving into the
weekend. Lingering showers with isolated storms will remain late
Friday as the low pressure system slowly moves to the east.
By Saturday morning the low continues to shift east with both the
Euro and GFS having the low center well east of the Panhandle
either in north central Montana or the southern portion of
Alberta. Showers and thunderstorms for Saturday should remain
isolated are expected to remain confined to the higher elevations
of the Panhandle into NE Washington.
By Sunday more of a zonal flow pattern is in place leading to
much drier conditions for most. Once again a slight chance for
isolated showers and t-storms will be possible for the mountains
of the northern Panhandle/NE Washington as remnant moisture from
previous storms is coupled with topographical influences promoting weak
convection. Monday looks to be almost a copy of what we saw
Sunday with only mountain storms expected. Temperatures
throughout this period look to balance out in the 80s for most
nearing our seasonal averages for this time of year. Overall this
looks to be the period when we finally start to see a break from
the active weather earlier in the week. /Fliehman
&&
.AVIATION...
18Z TAFS: High pressure aloft will generally promote VFR weather.
Wildfire smoke will continue to impact visibility at the TAF sites
at times...especially KEAT and KPUW. Overnight tonight mid level
moisture and shallow instability will move up from the south and
may be enough to trigger isolated thunderstorms. Confidence is
currently low of TAF sites being impacted...but can not rule this
out. Gusty outflow winds will be possible near thunderstorms. With
a shortwave trough moving through the region during the early
morning hours winds will become gusty for all TAF sites. Tuesday
morning the winds and TS chances will diminish behind the trough.
/JDC
&&
.PRELIMINARY POINT TEMPS/POPS...
Spokane 70 91 64 85 63 80 / 20 20 70 40 40 30
Coeur d'Alene 65 90 61 84 61 79 / 20 30 60 40 30 30
Pullman 65 91 59 84 58 77 / 20 40 60 40 50 30
Lewiston 72 95 67 90 66 83 / 20 40 60 40 30 40
Colville 60 92 59 87 58 86 / 10 30 70 60 40 30
Sandpoint 58 91 56 81 55 79 / 10 30 70 60 30 40
Kellogg 63 87 61 82 59 76 / 20 40 70 50 40 60
Moses Lake 69 95 64 88 63 83 / 20 20 40 30 30 30
Wenatchee 75 94 70 86 70 82 / 20 30 60 30 40 40
Omak 69 94 67 87 67 87 / 10 20 60 50 30 50
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...Red Flag Warning from Noon Tuesday to 5 PM PDT Wednesday for
Northern and Central Idaho Panhandle (Zone 101).
WA...Red Flag Warning until 5 PM PDT Wednesday for East Washington
Central Cascade Valleys (Zone 677)-East Washington Okanogan
Highlands (Zone 687)-East Washington Okanogan/Methow
Valleys (Zone 684)-East Washington South Central Cascade
Valleys (Zone 676).
Flash Flood Watch from Tuesday afternoon through Thursday
evening for East Slopes Northern Cascades-Okanogan
Highlands-Okanogan Valley-Wenatchee Area.
Red Flag Warning from Noon Tuesday to 5 PM PDT Wednesday for
East Washington Northeast (Zone 686)-East Washington
Northern Columbia Basin (Zone 673)-East Washington Palouse
and Spokane Area (Zone 674).
Red Flag Warning until 5 PM PDT Tuesday for East Washington
Central Cascade Mountains (Zone 682)-East Washington North
Cascades (Zone 685)-East Washington South Central Cascade
Mountains (Zone 680).
&&Hazardous weather outlook, Aug 11, 6:11 AM PDT, 9 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 611 AM PDT MON AUG 11 2014 IDZ001>004-026-027-WAZ031>038-041>044-121315- NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE- MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA- NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WENATCHEE AREA- EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-WATERVILLE PLATEAU- 611 AM PDT MON AUG 11 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO... NORTH CENTRAL IDAHO...CENTRAL WASHINGTON...EAST CENTRAL WASHINGTON...NORTH CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND SOUTHEAST WASHINGTON. .DAY ONE...TODAY AND TONIGHT HOT...DRY...AND UNSTABLE CONDITIONS ARE EXPECTED TODAY WITH MOST LOWER VALLEY AREAS NEAR 100 DEGREES. THUNDERSTORMS WILL DEVELOP OVER OREGON MONDAY AFTERNOON AND APPROACH THE WASHINGTON BORDER IN THE EVENING. ISOLATED DRY THUNDERSTORMS ARE POSSIBLE TONIGHT INTO TUESDAY MORNING ACROSS CENTRAL AND EASTERN WASHINGTON AS WELL AS NORTH IDAHO. LOCALIZED OUTFLOW WINDS AND BLOWING DUST COULD IMPACT THE COLUMBIA BASIN. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY ISOLATED TO SCATTERED STRONG THUNDERSTORMS WILL BE POSSIBLE REGION WIDE TUESDAY AFTERNOON AND EVENING WITH SOME STORMS CAPABLE OF PRODUCING DAMAGING WINDS...PENNY TO NICKEL SIZE HAIL...AND HEAVY RAINFALL. LIGHTNING MAY ALSO RESULT IN NEW FIRE STARTS AS STORMS CONTINUE INTO WEDNESDAY. BURN SCAR AREAS WILL BE SUSCEPTIBLE TO DEBRIS FLOWS WITH STORMS THAT PRODUCE HEAVY RAIN.
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 4:30 AM PDT | Red Flag Warning | OTX | 66 hr |
Nearby
Flash Flood Watches in Washington, 2014Every flash flood watch 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.