Alert archive / Washington / Wind Advisories in 2015
Wind Advisory 8, NWS Spokane, WA
NWS Spokane, WA issued this wind advisory at Aug 29, 2015, 8:17 AM PDT for 13 counties in Washington; 8 counties in Idaho. It took effect at Aug 29, 2015, 9:00 AM PDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2015, 8:17 AM PDT (15:17 UTC)
- In effect from
- Aug 29, 2015, 9:00 AM PDT
- Expired
- Aug 29, 2015, 7:00 PM PDT
- In force
- 10 hr
- Issued by
- NWS Spokane, WA
All 21 counties
Benewah County, ID, Bonner County, ID, Boundary County, ID, Kootenai County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Shoshone County, ID, Adams County, WA, Asotin County, WA, Chelan County, WA, Douglas County, WA, Ferry County, WA, Garfield County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA, Whitman County, WA
The radar
The Spokane radar (KOTX), 23 km from the middle of the area, began a volume at 15:17 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, 3.3 hours before the alert went out and 101 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
- 2706 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 278 m²/s²
- 0-3 km storm-relative helicity
- 467 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
731 WWUS76 KOTX 291517 NPWOTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 817 AM PDT SAT AUG 29 2015 ...STRONG COLD FRONT TO PRODUCE VERY WINDY CONDITIONS AND BLOWING DUST TODAY... .A STRONG COLD FRONT WILL PRODUCE STRONG WINDS ACROSS THE REGION LATE THIS MORNING INTO THE EARLY EVENING HOURS. SOME WIND GUSTS MAY BE STRONG ENOUGH TO RESULT IN HAZARDOUS DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES AND CAUSE ISOLATED TREE DAMAGE AND POWER OUTAGES. THE WINDY CONDITIONS ARE ALSO EXPECTED TO PRODUCE AREAS OF BLOWING DUST WITH REDUCED VISIBILITY. IDZ001>004-026-027-WAZ031-032-037-038-043-292330- /O.UPG.KOTX.HW.A.0001.150829T1600Z-150830T0300Z/ /O.NEW.KOTX.WI.Y.0008.150829T1600Z-150830T0300Z/ 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-NORTHEAST MOUNTAINS- OKANOGAN HIGHLANDS-OKANOGAN VALLEY- 817 AM PDT SAT AUG 29 2015 ...WIND ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM PDT THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS BETWEEN 40 TO 50 MPH. MOUNTAIN TOP WINDS ARE EXPECTED TO GUST TO BETWEEN 50 AND 60 MPH WITH ISOLATED GUSTS UP TO 65 MPH POSSIBLE. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WINDS WILL RELAX LATE SATURDAY EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WAZ041-042-292330- /O.NEW.KOTX.WI.Y.0008.150829T1600Z-150830T0300Z/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- 817 AM PDT SAT AUG 29 2015 ...WIND ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM PDT THIS EVENING. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS BETWEEN 35 TO 45 MPH IN THE VALLEYS....EXCEPT 25 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH IN THE MOUNTAINS. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WINDS WILL RELAX LATE SATURDAY EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WAZ033>036-044-292330- /O.CON.KOTX.HW.A.0001.150829T1600Z-150830T0300Z/ WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN- SPOKANE AREA-WATERVILLE PLATEAU- 817 AM PDT SAT AUG 29 2015 ...HIGH WIND WATCH REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS BETWEEN 50 AND 60 MPH. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WINDS WILL RELAX LATE SATURDAY EVENING. * IMPACTS...HIGH WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. STRONG CROSS WINDS WILL RESULT IN HAZARDOUS TRAVEL FOR HIGH PROFILE VEHICLES...ESPECIALLY ALONG INTERSTATE 90 AND ALONG HIGHWAY 2. WINDS WILL ALSO PRODUCE BLOWING DUST ACROSS THE BASIN INTO THE SURROUNDING VALLEYS. BLOWING DUST MAY RESULT IN VISIBILITY REDUCED TO ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
6 follow-up statements
487 WWUS76 KOTX 291619 NPWOTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 919 AM PDT SAT AUG 29 2015 ...STRONG COLD FRONT TO PRODUCE VERY WINDY CONDITIONS AND BLOWING DUST TODAY... .A STRONG COLD FRONT WILL PRODUCE STRONG WINDS ACROSS THE REGION LATE THIS MORNING INTO THE EARLY EVENING HOURS. SOME WIND GUSTS MAY BE STRONG ENOUGH TO RESULT IN HAZARDOUS DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES AND CAUSE ISOLATED TREE DAMAGE AND POWER OUTAGES. THE WINDY CONDITIONS ARE ALSO EXPECTED TO PRODUCE AREAS OF BLOWING DUST WITH REDUCED VISIBILITY. WAZ033>035-300030- /O.UPG.KOTX.HW.A.0001.000000T0000Z-150830T0300Z/ /O.NEW.KOTX.DS.W.0002.150829T1619Z-150830T0000Z/ WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN- 919 AM PDT SAT AUG 29 2015 ...DUST STORM WARNING IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A DUST STORM WARNING...WHICH IS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * VISIBILITIES...DOWN TO ONE QUARTER MILE AT TIMES. ISOLATED VISIBILITY TO NEAR ZERO WILL BE POSSIBLE. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WORST VISIBILITY DUE TO THE BLOWING DUST IS EXPECTED TO OCCUR BETWEEN THE HOURS OF 1000 AM TO 300 PM TODAY. * IMPACTS...STRONG WINDS ARE EXPECTED TO RESULT IN WIDESPREAD BLOWING DUST. DECREASED VISIBILITY IS EXPECTED TO RESULT IN TREACHEROUS TRAVEL CONDITIONS. THIS WILL INCLUDE INTERSTATE 90 BETWEEN VANTAGE AND SPRAGUE...HIGHWAY 395 BETWEEN RITZVILLE AND SOUTH TOWARD THE TRI-CITIES AND HIGHWAY 195 ON THE PALOUSE. STRONG CROSS WINDS WILL ALSO RESULT IN DIFFICULT DRIVING CONDITIONS FRO HIGH PROFILE VEHICLES. STRONGEST CROSS WINDS ARE EXPECTED ALONG INTERSTATE 90. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DUST STORM WARNING MEANS SEVERELY LIMITED VISIBILITIES ARE EXPECTED WITH BLOWING DUST. TRAVEL COULD BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES. && $$ WAZ041-042-300030- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- 919 AM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS BETWEEN 35 TO 45 MPH IN THE VALLEYS....EXCEPT 25 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH IN THE MOUNTAINS. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WINDS WILL RELAX LATE SATURDAY EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IDZ001>004-026-027-WAZ031-032-037-038-043-300030- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- LOWER GARFIELD AND ASOTIN COUNTIES-NORTHEAST MOUNTAINS- OKANOGAN HIGHLANDS-OKANOGAN VALLEY- 919 AM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS BETWEEN 40 TO 50 MPH. MOUNTAIN TOP WINDS ARE EXPECTED TO GUST TO BETWEEN 50 AND 60 MPH WITH ISOLATED GUSTS UP TO 65 MPH POSSIBLE. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WINDS WILL RELAX LATE SATURDAY EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. BLOWING DUST MAY ALSO REDUCE VISIBILITY TO DOWN TO 1 MILE AT TIMES...ESPECIALLY FOR AREAS AROUND THE COLUMBIA BASIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WAZ036-044-300030- /O.CON.KOTX.HW.A.0001.000000T0000Z-150830T0300Z/ SPOKANE AREA-WATERVILLE PLATEAU- 919 AM PDT SAT AUG 29 2015 ...HIGH WIND WATCH REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS BETWEEN 50 AND 60 MPH. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WINDS WILL RELAX LATE SATURDAY EVENING. * IMPACTS...HIGH WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. STRONG CROSS WINDS WILL RESULT IN HAZARDOUS TRAVEL FOR HIGH PROFILE VEHICLES...ESPECIALLY ALONG INTERSTATE 90 AND ALONG HIGHWAY 2. WINDS WILL ALSO PRODUCE BLOWING DUST ACROSS THE BASIN INTO THE SURROUNDING VALLEYS. BLOWING DUST MAY RESULT IN VISIBILITY REDUCED TO ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
220 WWUS76 KOTX 291659 NPWOTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 959 AM PDT SAT AUG 29 2015 ...STRONG COLD FRONT TO PRODUCE VERY WINDY CONDITIONS AND BLOWING DUST TODAY... .A STRONG COLD FRONT WILL PRODUCE STRONG WINDS ACROSS THE REGION LATE THIS MORNING INTO THE EARLY EVENING HOURS. SOME WIND GUSTS MAY BE STRONG ENOUGH TO RESULT IN HAZARDOUS DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES AND CAUSE ISOLATED TREE DAMAGE AND POWER OUTAGES. THE WINDY CONDITIONS ARE ALSO EXPECTED TO PRODUCE AREAS OF BLOWING DUST WITH REDUCED VISIBILITY. WAZ036-044-300100- /O.UPG.KOTX.HW.A.0001.000000T0000Z-150830T0300Z/ /O.EXA.KOTX.DS.W.0002.000000T0000Z-150830T0000Z/ SPOKANE AREA-WATERVILLE PLATEAU- 959 AM PDT SAT AUG 29 2015 ...DUST STORM WARNING IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A DUST STORM WARNING...WHICH IS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * VISIBILITIES...DOWN TO ONE QUARTER MILE AT TIMES. ISOLATED VISIBILITY TO NEAR ZERO WILL BE POSSIBLE. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WORST VISIBILITY DUE TO THE BLOWING DUST IS EXPECTED TO OCCUR BETWEEN THE HOURS OF 1000 AM TO 300 PM TODAY. * IMPACTS...STRONG WINDS ARE EXPECTED TO RESULT IN WIDESPREAD BLOWING DUST. DECREASED VISIBILITY IS EXPECTED TO RESULT IN TREACHEROUS TRAVEL CONDITIONS. THIS WILL INCLUDE INTERSTATE 90 BETWEEN SPRAGUE AND LIBERTY LAKE...HIGHWAY 2 BETWEEN SPOKANE AND DAVENPORT AND ON THE WATERVILLE PLATEAU...AND HIGHWAY 195 FROM SPOKANE DOWN TO THE PALOUSE. STRONG CROSS WINDS WILL ALSO RESULT IN DIFFICULT DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES. STRONGEST CROSS WINDS ARE EXPECTED ALONG HIGHWAY 2. TOPPLED TREES AND POWER LINE DAMAGE MAY ALSO BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DUST STORM WARNING MEANS SEVERELY LIMITED VISIBILITIES ARE EXPECTED WITH BLOWING DUST. TRAVEL COULD BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES. && $$ WAZ033>035-300000- /O.CON.KOTX.DS.W.0002.000000T0000Z-150830T0000Z/ WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN- 959 AM PDT SAT AUG 29 2015 ...DUST STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... * VISIBILITIES...DOWN TO ONE QUARTER MILE AT TIMES. ISOLATED VISIBILITY TO NEAR ZERO WILL BE POSSIBLE. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WORST VISIBILITY DUE TO THE BLOWING DUST IS EXPECTED TO OCCUR BETWEEN THE HOURS OF 1000 AM TO 300 PM TODAY. * IMPACTS...STRONG WINDS ARE EXPECTED TO RESULT IN WIDESPREAD BLOWING DUST. DECREASED VISIBILITY IS EXPECTED TO RESULT IN TREACHEROUS TRAVEL CONDITIONS. THIS WILL INCLUDE INTERSTATE 90 BETWEEN VANTAGE AND SPRAGUE...HIGHWAY 395 BETWEEN RITZVILLE AND SOUTH TOWARD THE TRI-CITIES...HIGHWAY 195 ON THE PALOUSE AND HIGHWAY 2 BETWEEN DAVENPORT TO COULEE CITY. STRONG CROSS WINDS WILL ALSO RESULT IN DIFFICULT DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES. STRONGEST CROSS WINDS ARE EXPECTED ALONG INTERSTATE 90. TOPPLED TREES AND POWER LINE DAMAGE MAY ALSO BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DUST STORM WARNING MEANS SEVERELY LIMITED VISIBILITIES ARE EXPECTED WITH BLOWING DUST. TRAVEL COULD BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES. && $$ WAZ041-042-300100- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- 959 AM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS BETWEEN 35 TO 45 MPH IN THE VALLEYS....EXCEPT 25 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH IN THE MOUNTAINS. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WINDS WILL RELAX LATE SATURDAY EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IDZ001>004-026-027-WAZ031-032-037-038-043-300100- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ 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-NORTHEAST MOUNTAINS- OKANOGAN HIGHLANDS-OKANOGAN VALLEY- 959 AM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS BETWEEN 40 TO 50 MPH. MOUNTAIN TOP WINDS ARE EXPECTED TO GUST TO BETWEEN 50 AND 60 MPH WITH ISOLATED GUSTS UP TO 65 MPH POSSIBLE. * TIMING...WINDS WILL INCREASE THIS MORNING AND PEAK BY THE EARLY AFTERNOON HOURS. WINDS WILL RELAX LATE SATURDAY EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. BLOWING DUST MAY ALSO REDUCE VISIBILITY TO DOWN TO 1 MILE AT TIMES...ESPECIALLY FOR AREAS AROUND THE COLUMBIA BASIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
109 WWUS76 KOTX 292103 NPWOTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 203 PM PDT SAT AUG 29 2015 ...STRONG COLD FRONT TO PRODUCE VERY WINDY CONDITIONS AND BLOWING DUST INTO THE EARLY EVENING... WAZ033-036-300300- /O.CAN.KOTX.DS.W.0002.000000T0000Z-150830T0000Z/ /O.EXA.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ WASHINGTON PALOUSE-SPOKANE AREA- 203 PM PDT SAT AUG 29 2015 ...WIND ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING... ...DUST STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM PDT THIS EVENING. THE DUST STORM WARNING HAS BEEN CANCELLED. * WINDS...SOUTHWEST 25 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING...WINDY CONDITIONS WILL CONTINUE THROUGH THIS AFTERNOON AND BEGIN TO SUBSIDE THIS EVENING * IMPACTS...SMALL TREE LIMBS MAY BE BROKEN OFF AND POWER OUTAGES WILL BE POSSIBLE. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WAZ034-035-044-300000- /O.CON.KOTX.DS.W.0002.000000T0000Z-150830T0000Z/ MOSES LAKE AREA-UPPER COLUMBIA BASIN-WATERVILLE PLATEAU- 203 PM PDT SAT AUG 29 2015 ...DUST STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... * VISIBILITIES...DOWN TO ONE QUARTER MILE AT TIMES. ISOLATED VISIBILITY TO NEAR ZERO WILL BE POSSIBLE. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * TIMING...WINDS WILL REMAIN GUSTY THIS AFTERNOON AND THEN SUBSIDE THIS EVENING. * IMPACTS...STRONG WINDS ARE EXPECTED TO RESULT IN WIDESPREAD BLOWING DUST. DECREASED VISIBILITY IS EXPECTED TO RESULT IN TREACHEROUS TRAVEL CONDITIONS. THIS WILL INCLUDE INTERSTATE 90 BETWEEN VANTAGE AND SPRAGUE...HIGHWAY 395 BETWEEN RITZVILLE AND SOUTH TOWARD THE TRI-CITIES...HIGHWAY 195 ON THE PALOUSE AND HIGHWAY 2 BETWEEN DAVENPORT TO COULEE CITY. STRONG CROSS WINDS WILL ALSO RESULT IN DIFFICULT DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES. STRONGEST CROSS WINDS ARE EXPECTED ALONG INTERSTATE 90. TOPPLED TREES AND POWER LINE DAMAGE MAY ALSO BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DUST STORM WARNING MEANS SEVERELY LIMITED VISIBILITIES ARE EXPECTED WITH BLOWING DUST. TRAVEL COULD BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES. && $$ WAZ041-042-300300- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- 203 PM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS BETWEEN 35 TO 45 MPH IN THE VALLEYS....EXCEPT 25 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH IN THE MOUNTAINS. * TIMING...WINDS WILL REMAIN GUSTY THROUGH THIS AFTERNOON AND THEN BEGIN TO SUBSIDE IN THE EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN BROKEN TREE LIMBS AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IDZ001>004-026-027-WAZ031-032-037-038-043-300300- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ 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-NORTHEAST MOUNTAINS- OKANOGAN HIGHLANDS-OKANOGAN VALLEY- 203 PM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS BETWEEN 40 TO 50 MPH. MOUNTAIN TOP WINDS ARE EXPECTED TO GUST TO BETWEEN 50 AND 60 MPH WITH ISOLATED GUSTS UP TO 65 MPH POSSIBLE. * TIMING...WINDS WILL REMAIN GUSTY THIS AFTERNOON AND THEN BEGIN TO SUBSIDE IN THE EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
511 WWUS76 KOTX 292238 NPWOTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 338 PM PDT SAT AUG 29 2015 ...STRONG COLD FRONT TO PRODUCE VERY WINDY CONDITIONS AND BLOWING DUST INTO THE EARLY EVENING... WAZ034-035-044-300000- /O.CON.KOTX.DS.W.0002.000000T0000Z-150830T0000Z/ MOSES LAKE AREA-UPPER COLUMBIA BASIN-WATERVILLE PLATEAU- 338 PM PDT SAT AUG 29 2015 ...DUST STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... * VISIBILITIES...DOWN TO ONE QUARTER MILE AT TIMES. ISOLATED VISIBILITY TO NEAR ZERO WILL BE POSSIBLE. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * TIMING...WINDS WILL REMAIN GUSTY THIS AFTERNOON AND THEN SUBSIDE THIS EVENING. * IMPACTS...STRONG WINDS ARE EXPECTED TO RESULT IN WIDESPREAD BLOWING DUST. DECREASED VISIBILITY IS EXPECTED TO RESULT IN TREACHEROUS TRAVEL CONDITIONS. THIS WILL INCLUDE INTERSTATE 90 BETWEEN VANTAGE AND SPRAGUE...HIGHWAY 395 BETWEEN RITZVILLE AND SOUTH TOWARD THE TRI-CITIES...HIGHWAY 195 ON THE PALOUSE AND HIGHWAY 2 ACROSS THE UPPER COLUMBIA BASIN AND ON THE WATERVILLE PLATEAU. STRONG CROSS WINDS WILL ALSO RESULT IN TREACHEROUS DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES. STRONGEST CROSS WINDS ARE EXPECTED ALONG INTERSTATE 90 AND ALONG HIGHWAY 2. TOPPLED TREES AND POWER LINE DAMAGE MAY ALSO BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DUST STORM WARNING MEANS SEVERELY LIMITED VISIBILITIES ARE EXPECTED WITH BLOWING DUST. TRAVEL COULD BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES. && $$ WAZ041-042-300300- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- 338 PM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS BETWEEN 35 TO 45 MPH IN THE VALLEYS....EXCEPT 25 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH IN THE MOUNTAINS. * TIMING...WINDS WILL REMAIN GUSTY THROUGH THIS AFTERNOON AND THEN BEGIN TO SUBSIDE IN THE EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN BROKEN TREE LIMBS AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IDZ001>004-026-027-WAZ031-032-037-038-043-300300- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- LOWER GARFIELD AND ASOTIN COUNTIES-NORTHEAST MOUNTAINS- OKANOGAN HIGHLANDS-OKANOGAN VALLEY- 338 PM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS BETWEEN 40 TO 50 MPH. MOUNTAIN TOP WINDS ARE EXPECTED TO GUST TO BETWEEN 50 AND 60 MPH WITH ISOLATED GUSTS UP TO 65 MPH POSSIBLE. * TIMING...WINDS WILL REMAIN GUSTY THIS AFTERNOON AND THEN BEGIN TO SUBSIDE IN THE EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WAZ033-036-300300- /O.CON.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ WASHINGTON PALOUSE-SPOKANE AREA- 338 PM PDT SAT AUG 29 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WINDS...SOUTHWEST 25 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING...WINDY CONDITIONS WILL CONTINUE THROUGH THIS AFTERNOON AND BEGIN TO SUBSIDE THIS EVENING * IMPACTS...SMALL TREE LIMBS MAY BE BROKEN OFF AND POWER OUTAGES WILL BE POSSIBLE. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
155 WWUS76 KOTX 292357 NPWOTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 457 PM PDT SAT AUG 29 2015 ...WINDY CONDITIONS AND AREAS OF BLOWING DUST INTO THE EARLY EVENING... WAZ034-035-044-300200- /O.CAN.KOTX.DS.W.0002.000000T0000Z-150830T0000Z/ /O.EXB.KOTX.WI.Y.0008.000000T0000Z-150830T0200Z/ MOSES LAKE AREA-UPPER COLUMBIA BASIN-WATERVILLE PLATEAU- 457 PM PDT SAT AUG 29 2015 ...WIND ADVISORY IN EFFECT UNTIL 7 PM PDT THIS EVENING... ...DUST STORM WARNING IS NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS DOWNGRADED THE DUST STORM WARNING TO A WIND ADVISORY. THE WIND ADVISORY WILL BE IN EFFECT UNTIL 7 PM PDT THIS EVENING. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * LOCATIONS...WATERVILLE PLATEAU...MOSES LAKE AREA...AND UPPER COLUMBIA BASIN. * TIMING...WINDS WILL REMAIN GUSTY LATE THIS AFTERNOON AND THEN BEGIN TO SUBSIDE IN THE EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. AREAS OF BLOWING DUST WILL LOWER VISIBILITIES AND MAY CAUSE TRAFFIC SLOW DOWNS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IDZ001>004-027-WAZ031-037-038-041-042-300100- /O.CAN.KOTX.WI.Y.0008.000000T0000Z-150830T0300Z/ NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWIS AND SOUTHERN NEZ PERCE COUNTIES- NORTHEAST BLUE MOUNTAINS-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- 457 PM PDT SAT AUG 29 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WIND ADVISORY. WINDS HAVE SUBSIDED ACROSS MUCH OF NORTH IDAHO AND NORTHEAST WASHINGTON. EXPECT WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH ON EXPOSED LOCATIONS THROUGH EARLY THIS EVENING. $$ IDZ026-WAZ032-043-300200- /O.EXT.KOTX.WI.Y.0008.000000T0000Z-150830T0200Z/ LEWISTON AREA-LOWER GARFIELD AND ASOTIN COUNTIES-OKANOGAN VALLEY- 457 PM PDT SAT AUG 29 2015 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM PDT THIS EVENING... * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * TIMING...WINDS WILL REMAIN GUSTY LATE THIS AFTERNOON AND THEN BEGIN TO SUBSIDE IN THE EVENING. * IMPACTS...STRONG WINDS MAY RESULT IN IN TOPPLED TREES AND DOWNED POWER LINES. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. AREAS OF BLOWING DUST WILL LOWER VISIBILITIES CAUSING TRAFFIC SLOW DOWNS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WAZ033-036-300200- /O.EXT.KOTX.WI.Y.0008.000000T0000Z-150830T0200Z/ WASHINGTON PALOUSE-SPOKANE AREA- 457 PM PDT SAT AUG 29 2015 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM PDT THIS EVENING WEST OF SPOKANE AND PULLMAN... * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH...ESPECIALLY FOR THE WEST PLAINS AND THE WESTERN WASHINGTON PALOUSE. * LOCATIONS...REARDAN...CHENEY...SPANGLE...ST. JOHN...LACROSSE AND DUSTY. * TIMING...WINDY CONDITIONS WILL CONTINUE LATE THIS AFTERNOON AND BEGIN TO SUBSIDE THIS EVENING * IMPACTS...SMALL TREE LIMBS MAY BE BROKEN OFF AND POWER OUTAGES WILL BE POSSIBLE. LIGHT WEIGHT OBJECTS WILL BE BLOWN AROUND IF NOT SECURED. AREAS OF BLOWING DUST MAY LOWER VISIBILITIES ON ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
356 WWUS76 KOTX 300157 NPWOTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 657 PM PDT SAT AUG 29 2015 WAZ034-035-044-300300- /O.EXP.KOTX.WI.Y.0008.000000T0000Z-150830T0200Z/ MOSES LAKE AREA-UPPER COLUMBIA BASIN-WATERVILLE PLATEAU- 657 PM PDT SAT AUG 29 2015 ...WIND ADVISORY WILL EXPIRE AT 7 PM PDT THIS EVENING... GUSTY WINDS WILL CONTINUE TO DIMINISH THIS EVENING. LOCALLY, WINDS MAY GUST TO 30 MPH THIS EVENING CAUSING SOME PATCHY BLOWING DUST BUT ADVISORY LEVEL WINDS ARE NO LONGER EXPECTED. $$ IDZ026-WAZ032-043-300300- /O.EXP.KOTX.WI.Y.0008.000000T0000Z-150830T0200Z/ LEWISTON AREA-LOWER GARFIELD AND ASOTIN COUNTIES-OKANOGAN VALLEY- 657 PM PDT SAT AUG 29 2015 ...WIND ADVISORY WILL EXPIRE AT 7 PM PDT THIS EVENING... GUSTY WINDS WILL CONTINUE TO DIMINISH THIS EVENING. LOCALLY, WINDS MAY GUST TO 35 MPH THIS EVENING CAUSING SOME PATCHY BLOWING DUST BUT WIDESPREAD ADVISORY LEVEL WINDS ARE NO LONGER EXPECTED. $$ WAZ033-036-300300- /O.EXP.KOTX.WI.Y.0008.000000T0000Z-150830T0200Z/ WASHINGTON PALOUSE-SPOKANE AREA- 657 PM PDT SAT AUG 29 2015 ...WIND ADVISORY WILL EXPIRE AT 7 PM PDT THIS EVENING... GUSTY WINDS WILL CONTINUE TO DIMINISH THIS EVENING. LOCALLY, WINDS MAY GUST TO 30 MPH THIS EVENING CAUSING SOME PATCHY BLOWING DUST BUT ADVISORY LEVEL WINDS ARE NO LONGER EXPECTED. $$
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 9:19 AM PDT | Dust Storm Warning | OTX | Adams, Douglas, Grant, Lincoln, Okanogan, Spokane and 1 more | 8 hr |
| Aug 29, 11:38 AM PDT | Special Weather Statement | OTX | Latah, Lewis, Nez Perce, Shoshone | 82 min |
Nearby
Wind Advisories in Washington, 2015Wind Advisories in Idaho, 2015Every wind advisory in 2015
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.