Alert archive / Nevada / High Wind Watches in 2011
High Wind Watch 1, NWS Las Vegas, NV
NWS Las Vegas, NV issued this high wind watch at Jan 30, 2011, 3:26 PM PST for Clark County, Lincoln County, Nye County, Nevada; Mohave County, Arizona; San Bernardino County, California. It took effect at Feb 1, 2011, 9:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 30, 2011, 3:26 PM PST (23:26 UTC)
- In effect from
- Feb 1, 2011, 9:00 AM PST
- Expired
- Feb 1, 2011, 3:47 AM PST
- In force
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, San Bernardino County, CA, Clark County, NV, Lincoln County, NV, Nye County, NV
The radar
The Las Vegas radar (KESX), 94 km from the middle of the area, began a volume at 23:26 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.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 11.4 hours before the alert went out and 28 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
- 3574 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
195 WWUS75 KVEF 302326 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 326 PM PST SUN JAN 30 2011 ...NORTH WINDS WILL DEVELOP ACROSS THE AREA ON TUESDAY WITH LOCALLY STRONG AND GUSTY WINDS POSSIBLE LATE TUESDAY INTO WEDNESDAY... .A COLD STORM SYSTEM WILL DROP SOUTH ALONG THE ROCKIES FROM CANADA ON TUESDAY RESULTING IN GUSTY NORTH WINDS DEVELOPING ACROSS THE SOUTHERN GREAT BASIN AND MOJAVE DESERT. THE STRONGEST WINDS WILL BE OVER THE EASTERN PORTION OF THE AREA WITH THE POTENTIAL FOR WIND GUSTS OVER 60 MPH. AZZ002-036-CAZ524-526-527-NVZ016-020>022-311300- /O.NEW.KVEF.HW.A.0001.110201T2100Z-110203T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- EASTERN MOJAVE DESERT-CADIZ BASIN-SAN BERNARDINO COUNTY- UPPER COLORADO RIVER VALLEY-NORTHEAST CLARK COUNTY-LAS VEGAS VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS... MITCHELL CAVERNS...VIDAL JUNCTION...NEEDLES...MESQUITE...OVERTON... MOAPA...LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY... SUMMERLIN...NELLIS...MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND... HOOVER DAM...LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI 326 PM PST SUN JAN 30 2011 /426 PM MST SUN JAN 30 2011/ ...HIGH WIND WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND WATCH FOR LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL RECREATION AREA...EASTERN MOJAVE DESERT CADIZ BASIN...SAN BERNARDINO COUNTY UPPER COLORADO RIVER VALLEY...NORTHEAST CLARK COUNTY...LAS VEGAS VALLEY...AND SOUTHERN CLARK COUNTY...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON. * WINDS: NORTH WINDS BETWEEN 20 AND 30 MPH WITH GUSTS TO OVER 60 MPH. * TIMING: WINDS WILL INCREASE ON TUESDAY WITH THE STRONGEST WINDS EXPECTED EARLY TUESDAY EVENING AND CONTINUING INTO EARLY WEDNESDAY ACROSS THE AREA. WINDS ARE EXPECTED TO DECREASE ACROSS THE AREA BY LATE WEDNESDAY. * LOCATIONS: INCLUDED BUT ARE NOT LIMITED TO LAKE HAVASU...BULLHEAD CITY...MOHAVE VALLEY...MOUNTAIN PASS...MITCHELL CAVERNS... NEEDLES...OVERTON...LAS VEGAS VALLEY...BOULDER CITY...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...AND SEARCHLIGHT. * IMPACTS: IF THESE WINDS DEVELOP...ACTIONS WILL NEED TO BE TAKEN TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS. STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES AND MAY CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. 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 AND...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR IN THE WATCH AREA. CONTINUE TO MONITOR FORECASTS FOR THE LATEST INFORMATION. && $$
4 follow-up statements
955 WWUS75 KVEF 311259 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 459 AM PST MON JAN 31 2011 .GUSTY NORTH WINDS WILL DEVELOP OVER THE SOUTHERN GREAT BASIN AND THE EASTERN MOJAVE DESERT TUESDAY AFTERNOON THROUGH WEDNESDAY AS A VERY COLD AIR MASS FROM CANADA DROPS DOWN THROUGH UTAH INTO ARIZONA. THE STRONGEST WINDS WITH THE POTENTIAL FOR GUSTS UP TO 60 MPH WILL BE OVER SOUTHEAST NEVADA...THE COLORADO RIVER VALLEY AND EASTERN SAN BERNARDINO COUNTY IN CALIFORNIA. AZZ002-036-CAZ524-526-527-NVZ016-020>022-010000- /O.CON.KVEF.HW.A.0001.110201T2100Z-110203T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- EASTERN MOJAVE DESERT-CADIZ BASIN-SAN BERNARDINO COUNTY- UPPER COLORADO RIVER VALLEY-NORTHEAST CLARK COUNTY-LAS VEGAS VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS... MITCHELL CAVERNS...VIDAL JUNCTION...NEEDLES...MESQUITE...OVERTON... MOAPA...LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY... SUMMERLIN...NELLIS...MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND... HOOVER DAM...LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI 459 AM PST MON JAN 31 2011 /559 AM MST MON JAN 31 2011/ ...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... A HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON FOR LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL RECREATION AREA...EASTERN MOJAVE DESERT CADIZ BASIN...SAN BERNARDINO COUNTY UPPER COLORADO RIVER VALLEY...NORTHEAST CLARK COUNTY...LAS VEGAS VALLEY...AND SOUTHERN CLARK COUNTY. * WINDS: NORTH WINDS GUSTING TO 60 MPH WILL BE POSSIBLE AS A STRONG COLD FRONT PUSHES DOWN THROUGH SOUTHERN NEVADA. SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS BETWEEN 40 AND 50 MPH WILL BE COMMON TUESDAY AFTERNOON THROUGH WEDNESDAY ACROSS MUCH OF THE AREA. * TIMING: WINDS WILL INCREASE ON TUESDAY WITH THE STRONGEST WINDS EXPECTED EARLY TUESDAY EVENING AND CONTINUING INTO EARLY WEDNESDAY. WINDS ARE EXPECTED TO DECREASE ACROSS THE AREA BY LATE WEDNESDAY. * LOCATIONS: INCLUDED BUT ARE NOT LIMITED TO LAKE HAVASU... BULLHEAD CITY...MOHAVE VALLEY...MOUNTAIN PASS...MITCHELL CAVERNS... NEEDLES...OVERTON...LAS VEGAS VALLEY...BOULDER CITY...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...AND SEARCHLIGHT. * IMPACTS: IF THESE WINDS DEVELOP...ACTIONS WILL NEED TO BE TAKEN TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS. STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES AND MAY CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. 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 AND...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR IN THE WATCH AREA. CONTINUE TO MONITOR FORECASTS FOR THE LATEST INFORMATION. && $$
694 WWUS75 KVEF 312158 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 158 PM PST MON JAN 31 2011 .STRONG...GUSTY NORTH WINDS WILL DEVELOP OVER THE SOUTHERN GREAT BASIN AND THE EASTERN MOJAVE DESERT TUESDAY AND WEDNESDAY AS A VERY COLD AIR MASS FROM CANADA DROPS DOWN THROUGH UTAH INTO ARIZONA. THE STRONGEST WINDS WITH THE POTENTIAL FOR GUSTS TO AROUND 60 MPH WILL BE OVER SOUTHEAST NEVADA...THE COLORADO RIVER VALLEY AND EASTERN SAN BERNARDINO COUNTY IN CALIFORNIA. AZZ001-003-CAZ519>523-525-NVZ014-015-017-010600- /O.NEW.KVEF.WI.Y.0003.110201T1700Z-110202T0800Z/ NORTHWEST PLATEAU-NORTHWEST DESERTS-EASTERN SIERRA SLOPES- OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY- DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-MORONGO BASIN- ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY- WESTERN CLARK AND SOUTHERN NYE COUNTY- INCLUDING...COLORADO CITY... PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN... GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA... ASPENDELL...WHITNEY PORTAL...BISHOP...INDEPENDENCE...LONE PINE... OLANCHA...FURNACE CREEK...SHOSHONE...BARSTOW...DAGGETT... FORT IRWIN...MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS... BEATTY...GOLDFIELD...SILVER PEAK...DYER...CALIENTE...PIOCHE... PANACA...HIKO...ALAMO...RACHEL...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY 158 PM PST MON JAN 31 2011 /258 PM MST MON JAN 31 2011/ ...WIND ADVISORY IN EFFECT FROM 9 AM PST /10 AM MST/ TUESDAY TO MIDNIGHT PST /1 AM MST/ TUESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND ADVISORY FOR PORTIONS OF SOUTHERN NEVADA...SOUTHEAST CALIFORNIA AND NORTHWEST ARIZONA...WHICH IS IN EFFECT FROM 9 AM PST /10 AM MST/ TUESDAY TO MIDNIGHT PST /1 AM MST/ TUESDAY NIGHT. * WINDS: NORTH WINDS BETWEEN 20 AND 30 MPH WITH GUSTS BETWEEN 40 AND 50 MPH. * TIMING: WINDS ARE EXPECTED TO FIRST DEVELOP ACROSS ESMERALDA...NYE AND LINCOLN COUNTIES MID TO LATE TUESDAY MORNING AND THEN PUSH COMPLETELY THROUGH THE REMAINDER OF THE AREA BY EARLY AFTERNOON . WINDS ARE EXPECTED TO REMAIN STRONG THROUGH THE EVENING HOURS. * LOCATIONS: COLORADO CITY...PIPE SPRING NATIONAL MONUMENT... KINGMAN...DOLAN SPRINGS...WIKIEUP....ASPENDELL...BARSTOW...FORT IRWIN...MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS... BEATTY...GOLDFIELD...DYER...CALIENTE...PIOCHE...PANACA... RACHEL...PAHRUMP...INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY. * IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION. && $$ NVZ018-019-010600- /O.EXB.KVEF.HW.A.0001.110201T1700Z-110203T0200Z/ SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON- INCLUDING...THE TOWN OF MT CHARLESTON...RED ROCK 158 PM PST MON JAN 31 2011 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND WATCH FOR THE SPRING MOUNTAINS...RED ROCK CANYON AND SHEEP RANGE...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON. * WINDS: NORTH WINDS GUSTING TO AROUND 60 MPH ARE POSSIBLE AS A STRONG COLD FRONT PUSHES DOWN THROUGH SOUTHERN NEVADA. SUSTAINED SPEEDS OF 25 TO 35 MPH AND GUSTS BETWEEN 50 AND 60 MPH WILL BE COMMON IN THESE AREAS. * TIMING: WINDS WILL INCREASE TUESDAY AND CONTINUE THROUGH WEDNESDAY WITH THE STRONGEST WINDS EXPECTED LATE TUESDAY MORNING THROUGH TUESDAY EVENING. WINDS ARE EXPECTED TO DECREASE ACROSS THE AREA BY LATE WEDNESDAY. * LOCATIONS: THE TOWN OF MT CHARLESTON AND RED ROCK CANYON. * IMPACTS: IF THESE WINDS DEVELOP...ACTIONS WILL NEED TO BE TAKEN TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS. STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES AND MAY CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH AND...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR IN THE WATCH AREA. CONTINUE TO MONITOR FORECASTS FOR THE LATEST INFORMATION. && $$ AZZ002-036-CAZ524-526-527-NVZ016-020>022-010600- /O.EXT.KVEF.HW.A.0001.110201T1700Z-110203T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- EASTERN MOJAVE DESERT-CADIZ BASIN-SAN BERNARDINO COUNTY- UPPER COLORADO RIVER VALLEY-NORTHEAST CLARK COUNTY-LAS VEGAS VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS... MITCHELL CAVERNS...VIDAL JUNCTION...NEEDLES...MESQUITE...OVERTON... MOAPA...LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY... SUMMERLIN...NELLIS...MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND... HOOVER DAM...LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI 158 PM PST MON JAN 31 2011 /258 PM MST MON JAN 31 2011/ ...HIGH WIND WATCH NOW IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON... THE HIGH WIND WATCH IS NOW IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON. * WINDS: NORTH WINDS GUSTING TO AROUND 60 MPH ARE POSSIBLE AS A STRONG COLD FRONT PUSHES DOWN THROUGH THE AREA. SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH WILL BE COMMON ACROSS MUCH OF THE AREA. * TIMING: WINDS WILL INCREASE TUESDAY MORNING WITH THE STRONGEST WINDS EXPECTED TUESDAY AFTERNOON AND EVENING. THERE MAY BE SOME DECREASE IN WIND SPEEDS TUESDAY NIGHT BUT THEN INCREASE AGAIN WEDNESDAY WITH THE STRONGEST WINDS EXPECTED ALONG THE COLORADO RIVER VALLEY. WINDS ARE EXPECTED TO DECREASE ACROSS THE AREA BY LATE WEDNESDAY. * LOCATIONS: BULLHEAD CITY...MOHAVE VALLEY...PRIMM... SEARCHLIGHT...CAL-NEV-ARI...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS... MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND...HOOVER DAM... LAUGHLIN... NEEDLES...VIDAL JUNCTION...BAKER... MOUNTAIN PASS...MITCHELL CAVERNS...LAKE HAVASU... DESERT HILLS...TOPOCK...MESQUITE... OVERTON...MOAPA * IMPACTS: IF THESE WINDS DEVELOP...ACTIONS WILL NEED TO BE TAKEN TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS. STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES AND MAY CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. 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 AND...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR IN THE WATCH AREA. CONTINUE TO MONITOR FORECASTS FOR THE LATEST INFORMATION. && $$
255 WWUS75 KVEF 010656 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 1056 PM PST MON JAN 31 2011 .STRONG...GUSTY NORTH WINDS WILL DEVELOP OVER THE SOUTHERN GREAT BASIN AND THE EASTERN MOJAVE DESERT TUESDAY AND WEDNESDAY AS A VERY COLD AIR MASS FROM CANADA DROPS DOWN THROUGH UTAH INTO ARIZONA. THE STRONGEST WINDS WITH THE POTENTIAL FOR GUSTS TO AROUND 60 MPH WILL BE OVER SOUTHEAST NEVADA...THE COLORADO RIVER VALLEY AND EASTERN SAN BERNARDINO COUNTY IN CALIFORNIA. AZZ001-003-CAZ519>523-525-NVZ014-015-017-011500- /O.CON.KVEF.WI.Y.0003.110201T1700Z-110202T0800Z/ NORTHWEST PLATEAU-NORTHWEST DESERTS-EASTERN SIERRA SLOPES- OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY- DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-MORONGO BASIN- ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY- WESTERN CLARK AND SOUTHERN NYE COUNTY- INCLUDING...COLORADO CITY... PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN... GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA... ASPENDELL...WHITNEY PORTAL...BISHOP...INDEPENDENCE...LONE PINE... OLANCHA...FURNACE CREEK...SHOSHONE...BARSTOW...DAGGETT... FORT IRWIN...MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS... BEATTY...GOLDFIELD...SILVER PEAK...DYER...CALIENTE...PIOCHE... PANACA...HIKO...ALAMO...RACHEL...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY 1056 PM PST MON JAN 31 2011 /1156 PM MST MON JAN 31 2011/ ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM PST /10 AM MST/ TUESDAY TO MIDNIGHT PST /1 AM MST/ TUESDAY NIGHT... A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM PST /10 AM MST/ TUESDAY TO MIDNIGHT PST /1 AM MST/ TUESDAY NIGHT FOR PORTIONS OF SOUTHERN NEVADA...SOUTHEAST CALIFORNIA AND NORTHWEST ARIZONA. * WINDS: NORTH WINDS BETWEEN 20 AND 30 MPH WITH GUSTS BETWEEN 40 AND 50 MPH. * TIMING: WINDS ARE EXPECTED TO FIRST DEVELOP ACROSS ESMERALDA... NYE AND LINCOLN COUNTIES MID TO LATE TUESDAY MORNING AND THEN PUSH COMPLETELY THROUGH THE REMAINDER OF THE AREA BY EARLY AFTERNOON . WINDS ARE EXPECTED TO REMAIN STRONG THROUGH THE EVENING HOURS. * LOCATIONS: COLORADO CITY...PIPE SPRING NATIONAL MONUMENT... KINGMAN...DOLAN SPRINGS...WIKIEUP....ASPENDELL...BARSTOW... FORT IRWIN...MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS... BEATTY...GOLDFIELD...DYER...CALIENTE...PIOCHE... PANACA... RACHEL...PAHRUMP...INDIAN SPRINGS...DESERT ROCK... AMARGOSA VALLEY. * IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION. && $$ AZZ002-036-CAZ524-526-527-NVZ016-018>022-011500- /O.CON.KVEF.HW.A.0001.110201T1700Z-110203T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- EASTERN MOJAVE DESERT-CADIZ BASIN-SAN BERNARDINO COUNTY- UPPER COLORADO RIVER VALLEY-NORTHEAST CLARK COUNTY-SHEEP RANGE- SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS... MITCHELL CAVERNS...VIDAL JUNCTION...NEEDLES...MESQUITE...OVERTON... MOAPA...THE TOWN OF MT CHARLESTON...RED ROCK...LAS VEGAS... NORTH LAS VEGAS...HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS... MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND...HOOVER DAM... LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI 1056 PM PST MON JAN 31 2011 /1156 PM MST MON JAN 31 2011/ ...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 AM PST /10 AM MST/ TUESDAY THROUGH WEDNESDAY AFTERNOON... A HIGH WIND WATCH REMAINS IN EFFECT FROM 9 AM PST /10 AM MST/ TUESDAY THROUGH WEDNESDAY AFTERNOON FOR EASTERN CLARK COUNTY...EASTERN SAN BERNARDINO COUNTY AND THE COLORADO RIVER VALLEY. * WINDS: NORTH WINDS GUSTING TO AROUND 60 MPH ARE POSSIBLE AS A STRONG COLD FRONT PUSHES DOWN THROUGH THE AREA. SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH WILL BE COMMON ACROSS MUCH OF THE AREA. * TIMING: WINDS WILL INCREASE TUESDAY MORNING WITH THE STRONGEST WINDS EXPECTED TUESDAY AFTERNOON AND EVENING. THERE MAY BE SOME DECREASE IN WIND SPEEDS TUESDAY NIGHT BUT THEN INCREASE AGAIN WEDNESDAY WITH THE STRONGEST WINDS EXPECTED ALONG THE COLORADO RIVER VALLEY. WINDS ARE EXPECTED TO DECREASE ACROSS THE AREA BY LATE WEDNESDAY. * LOCATIONS: BULLHEAD CITY...MOHAVE VALLEY...PRIMM... SEARCHLIGHT...CAL-NEV-ARI...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS... MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM... LAUGHLIN... NEEDLES... VIDAL JUNCTION...BAKER... MOUNTAIN PASS...MITCHELL CAVERNS...LAKE HAVASU... DESERT HILLS... TOPOCK...MESQUITE... OVERTON...MOAPA * IMPACTS: IF THESE WINDS DEVELOP...ACTIONS WILL NEED TO BE TAKEN TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS. STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES AND MAY CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. 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 AND...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR IN THE WATCH AREA. CONTINUE TO MONITOR FORECASTS FOR THE LATEST INFORMATION. && $$
562 WWUS75 KVEF 011147 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 347 AM PST TUE FEB 1 2011 .STRONG...GUSTY NORTH WINDS WILL DEVELOP OVER THE SOUTHERN GREAT BASIN AND THE EASTERN MOJAVE DESERT TODAY THROUGH WEDNESDAY AS A VERY COLD AIR MASS FROM CANADA DROPS DOWN THROUGH UTAH INTO ARIZONA. THE STRONGEST WINDS WITH GUSTS UP TO 60 MPH WILL BE ALONG THE COLORADO RIVER VALLEY FROM HOOVER DAM TO LAUGHLIN AND BULLHEAD CITY. AZZ036-NVZ021-011700- /O.UPG.KVEF.HW.A.0001.110201T1700Z-110203T0200Z/ /O.NEW.KVEF.HW.W.0001.110201T2100Z-110203T0200Z/ LAKE MEAD NATIONAL RECREATION AREA- INCLUDING...BULLHEAD CITY...MOHAVE VALLEY... HOOVER DAM...LAUGHLIN 347 AM PST TUE FEB 1 2011 /447 AM MST TUE FEB 1 2011/ ...HIGH WIND WARNING IN EFFECT FROM 1 PM PST /2 PM MST/ THIS AFTERNOON TO 6 PM PST /7 PM MST/ WEDNESDAY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND WARNING FOR FOR THE LAKE MEAD NATIONAL RECREATION AREA INCLUDING LAUGHLIN AND BULLHEAD CITY...WHICH IS IN EFFECT FROM 1 PM PST /2 PM MST/ THIS AFTERNOON TO 6 PM PST /7 PM MST/ WEDNESDAY. THIS REPLACES THE HIGH WIND WATCH PREVIOUSLY IN EFFECT. * WINDS: NORTH WINDS GUSTING TO 60 MPH ARE EXPECTED DOWN THE COLORADO RIVER VALLEY...ESPECIALLY IN THE NARROW CHANNELS FROM HOOVER DAM TO LAUGHLIN AND BULLHEAD CITY. SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS BETWEEN 40 AND 50 MPH WILL BE COMMON ACROSS THE REST OF THE LAKE MEAD NATIONAL RECREATION AREA. * TIMING: WINDS WILL INCREASE THIS MORNING THEN THE STRONGEST WINDS WILL OCCUR THIS AFTERNOON AND EVENING AS A STRONG COLD FRONT PUSHES DOWN THROUGH THE REGION. THERE MAY BE SOME DECREASE IN WIND SPEEDS LATE TONIGHT BUT THEY ARE EXPECTED TO INCREASE AGAIN WEDNESDAY. WINDS ARE EXPECTED TO DECREASE ACROSS THE AREA BY WEDNESDAY EVENING. * LOCATIONS: HOOVER DAM...BULLHEAD CITY...LAUGHLIN * IMPACTS: HIGH WINDS WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES AND MAY CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. HIGH WINDS CAN TOPPLE TREES...REMOVE SHINGLES OR BLOW WEAKENED ROOFS OFF HOUSES...AND DOWN POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR OUTINGS UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE LAKES...AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS. FOR THOSE LIVING WITHIN THE RIVER VALLEY...ACTIONS WILL NEED TO BE TAKEN TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS. && $$ AZZ002-CAZ524-526-527-NVZ022-011700- /O.UPG.KVEF.HW.A.0001.110201T1700Z-110203T0200Z/ /O.EXB.KVEF.WI.Y.0003.110201T2100Z-110203T0200Z/ LAKE HAVASU AND FORT MOHAVE-EASTERN MOJAVE DESERT-CADIZ BASIN- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...VIDAL JUNCTION... NEEDLES...PRIMM...SEARCHLIGHT...CAL-NEV-ARI 347 AM PST TUE FEB 1 2011 /447 AM MST TUE FEB 1 2011/ ...WIND ADVISORY IN EFFECT FROM 1 PM PST /2 PM MST/ THIS AFTERNOON TO 6 PM PST /7 PM MST/ WEDNESDAY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND ADVISORY FOR SOUTHERN CLARK COUNTY...THE COLORADO RIVER VALLEY FROM NEEDLES TO LAKE HAVASU AND ADJACENT AREAS OF THE EASTERN MOJAVE DESERT...WHICH IS IN EFFECT FROM 1 PM PST /2 PM MST/ THIS AFTERNOON TO 6 PM PST /7 PM MST/ WEDNESDAY. THIS REPLACES THE HIGH WIND WATCH PREVIOUSLY IN EFFECT. * WINDS: SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS BETWEEN 40 AND 50 MPH WILL BE COMMON ACROSS MUCH OF THE AREA. * TIMING: NORTH WINDS WILL INCREASE LATE THIS MORNING THEN BECOME STRONGEST WINDS DURING THE AFTERNOON AND EVENING. THERE MAY BE SOME DECREASE IN WIND SPEEDS LATE TONIGHT BUT THEY ARE EXPECTED TO INCREASE AGAIN WEDNESDAY AND PERSIST UNTIL LATE WEDNESDAY AFTERNOON. * LOCATIONS: PRIMM...SEARCHLIGHT...CAL-NEV-ARI...NEEDLES... VIDAL JUNCTION...BAKER...MOUNTAIN PASS...MITCHELL CAVERNS... LAKE HAVASU...DESERT HILLS...TOPOCK * IMPACTS: STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES AND MAY CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION IF VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS. DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE USE EXTRA CAUTION AND BE PREPARED FOR STRONG CROSS WINDS. && $$ NVZ016-018>020-011700- /O.UPG.KVEF.HW.A.0001.110201T1700Z-110203T0200Z/ /O.EXB.KVEF.WI.Y.0003.110201T2100Z-110202T0800Z/ NORTHEAST CLARK COUNTY-SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON- LAS VEGAS VALLEY- INCLUDING...MESQUITE...OVERTON...MOAPA... THE TOWN OF MT CHARLESTON...RED ROCK...LAS VEGAS... NORTH LAS VEGAS...HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS... MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND 347 AM PST TUE FEB 1 2011 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO MIDNIGHT PST TONIGHT... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND ADVISORY FOR NORTHEAST AND CENTRAL CLARK COUNTY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO MIDNIGHT PST TONIGHT. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WINDS: NORTH WINDS WITH SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS BETWEEN 40 AND 50 MPH WILL BE COMMON IN THE ADVISORY AREA. GUSTS OVER 60 MPH CAN BE EXPECTED IN THE MOUNTAINS. * TIMING: NORTH WINDS WILL INCREASE LATE THIS MORNING THEN BECOME STRONGER THIS AFTERNOON AND EVENING * LOCATIONS: LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS... BLUE DIAMOND...THE TOWN OF MT CHARLESTON...RED ROCK... MESQUITE...OVERTON...MOAPA * IMPACTS: A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS...ESPECIALLY IN HIGH PROFILE VEHICLES...SHOULD USE EXTRA CAUTION AND BE PREPARED FOR STRONG CROSS WINDS. && $$ AZZ001-003-CAZ519>523-525-NVZ014-015-017-011700- /O.CON.KVEF.WI.Y.0003.110201T1700Z-110202T0800Z/ NORTHWEST PLATEAU-NORTHWEST DESERTS-EASTERN SIERRA SLOPES- OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY- DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-MORONGO BASIN- ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY- WESTERN CLARK AND SOUTHERN NYE COUNTY- INCLUDING...COLORADO CITY... PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN... GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA... ASPENDELL...WHITNEY PORTAL...BISHOP...INDEPENDENCE...LONE PINE... OLANCHA...FURNACE CREEK...SHOSHONE...BARSTOW...DAGGETT... FORT IRWIN...MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS... BEATTY...GOLDFIELD...SILVER PEAK...DYER...CALIENTE...PIOCHE... PANACA...HIKO...ALAMO...RACHEL...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY 347 AM PST TUE FEB 1 2011 /447 AM MST TUE FEB 1 2011/ ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM PST /10 AM MST/ THIS MORNING TO MIDNIGHT PST /1 AM MST/ TONIGHT... A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM PST /10 AM MST/ THIS MORNING TO MIDNIGHT PST /1 AM MST/ TONIGHT FOR PORTIONS OF SOUTHERN NEVADA...SOUTHEAST CALIFORNIA AND NORTHWEST ARIZONA. * WINDS: SUSTAINED NORTH WINDS OF 20 TO 30 MPH WITH GUSTS BETWEEN 40 AND 50 MPH WILL BE COMMON ACROSS THE ADVISORY AREA. * TIMING: WINDS ARE EXPECTED TO FIRST DEVELOP ACROSS ESMERALDA... NYE AND LINCOLN COUNTIES BY MID TO LATE MORNING THEN PUSH COMPLETELY THROUGH THE REMAINDER OF THE AREA BY EARLY AFTERNOON. WINDS ARE EXPECTED TO REMAIN STRONG THROUGH THE EVENING HOURS. * LOCATIONS: ASPENDELL...MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS...BARSTOW...DAGGETT... FORT IRWIN...FURNACE CREEK...SHOSHONE...BISHOP... INDEPENDENCE... LONE PINE...OLANCHA...COLORADO CITY... PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL... KINGMAN...GOLDEN VALLEY... DOLAN SPRINGS...VALENTINE... WIKIEUP...YUCCA...PAHRUMP... INDIAN SPRINGS...DESERT ROCK... AMARGOSA VALLEY...CALIENTE... PIOCHE...PANACA...HIKO... ALAMO...RACHEL...BEATTY... GOLDFIELD...SILVER PEAK...DYER * IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS...ESPECIALLY IN HIGH PROFILE VEHICLES...SHOULD USE EXTRA CAUTION AND BE PREPARED FOR STRONG CROSS WINDS. && $$
What forecasters said that day
The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before this high wind watch went out at Jan 30, 2:30 PM PST, 56 minutes earlier.
Area forecast discussion, Jan 30, 2:30 PM PST, 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
230 PM PST SUN JAN 30 2011
.SYNOPSIS...A PACIFIC STORM MOVING ACROSS THE AREA TONIGHT WILL
RESULT IN SCATTERED LIGHT PRECIPITATION...MAINLY OVER THE
MOUNTAINS...LOCAL GUSTY WINDS AND COOLER TEMPERATURES INTO MONDAY.
HOWEVER THE MAIN CONCERN WILL BE ANOTHER STORM MOVING INTO THE AREA
TUESDAY AND WEDNESDAY WHICH WILL BRING THE POSSIBILITY OF STRONG AND
GUSTY WINDS TO PORTIONS OF THE REGION AND MUCH COLDER CONDITIONS TO
THE AREA THROUGH THE MIDDLE OF THE WEEK.
&&
.SHORT TERM...AN UPPER LOW CURRENTLY OVER BISHOP CALIFORNIA AS OF 1
PM PST WILL CONTINUE TO TRANSITION SOUTHEAST ACROSS THE CWA TONIGHT
AND INTO EARLY MONDAY. SHORT RANGE MODELS ARE IN GOOD AGREEMENT THAT
AS THE SYSTEM MOVES ACROSS THE AREA THERE IS A POSSIBILITY OF BRIEF
HEAVY SNOW BANDS FORMING OVER LINCOLN COUNTY...WITH ISOLATED/
SCATTERED SHOWERS MAINLY OVER THE REMAINING MOUNTAINS OF SOUTHERN
NEVADA/NORTHWEST ARIZONA. NOT OUT OF THE QUESTION THAT 1 TO 2 INCHES
OF SNOW MAY BE SEEN OVERNIGHT IN AREAS OF LINCOLN COUNTY...BUT
OVERALL LIGHT PRECIPITATION LOOKED FOR ACROSS THE AREA. AS THE
SYSTEM EXITS THE CWA ON MONDAY...A MAJOR CHANGE THEN BEGINS TO TAKE
PLACE AS NORTHERLY FLOW ALOFT DEVELOPS LATE MONDAY INTO TUESDAY. THE
NEXT LOW DROPS SOUTH IN THIS NORTHERLY FLOW AND ALTHOUGH THERE ARE
MODEL DIFFERENCES ON THE TRACK OF THIS NEXT SYSTEM...GUSTY NORTH
WINDS AND COLDER CONDITIONS WILL BE SEEN FOR THE CWA. DEPENDING ON
THE FINAL TRACK OF THE LOW...THERE WILL BE A BIG DIFFERENCE IN HOW
MUCH OF EACH... WINDS/COLDER AIR...WE WILL RECEIVE OVER THE CWA. A
FURTHER EAST TRACK OVER EASTERN WYOMING/COLORADO WILL BE WARMER/LESS
WINDS...THAN IF THE LOW MOVES FURTHER WEST WITH THE CENTER MORE OVER
EASTERN UTAH/ARIZONA/THE 4 CORNERS REGION. PER THE LONG TERM
DISCUSSION...THE MODELS ARE TRENDING TOWARDS A FURTHER WEST TRACK AT
THIS TIME.
CONCERNING TEMPERATURES FIRST...850 MB...ABOUT 5000 FEET...
TEMPERATURES WILL PLUMMET FROM THIS AFTERNOONS READINGS OF ROUGHLY
43 DEGREES OVER LAS VEGAS TO POTENTIALLY 10 DEGREES BY WEDNESDAY
MORNING. LOCAL STUDIES SHOW THAT LOWER VALLEY TEMPERATURES WILL
LIKELY DROP TO THE MID 20S OR LOWER WITH FREEZING TEMPERATURES
PROBABLY IN THE LOWER SECTIONS OF THE COLORADO RIVER VALLEY. DUE TO
THE UNCERTAINTY MENTIONED ABOVE...WILL COMPROMISE LOWS
SOMEWHAT...BUT STILL FORECAST WELL BELOW FREEZING TEMPERATURES FOR
WEDNESDAY MORNING IN THE LOWER VALLEYS WITH SINGLE DIGIT READINGS
ACROSS THE NORTH.
WITH REGARDS TO THE WINDS...DUE TO THE COLD AIR ADVECTION...THERMAL
GRADIENTS WILL BE INCREASING RAPIDLY ON TUESDAY AND TUESDAY NIGHT.
WITH THESE POTENTIALLY LARGE GRADIENTS...POSSIBLY 20 DEGREES BETWEEN
ELY AND NEEDLES BY EARLY WEDNESDAY MORNING...SURFACE WINDS WILL BE
ON THE INCREASE. THIS ADDED TO 700MB FLOW FROM TUESDAY AFTERNOON/
NIGHT OF BETWEEN 35 AND 50 KTS OVER THE EASTERN PORTION OF THE
CWA...SURFACE WINDS WILL LIKELY BE VERY STRONG AND GUSTY. ALTHOUGH A
LARGE PORTION OF THE CWA WILL LIKELY BE UNDER WIND ADVISORIES IN
LATER PACKAGES...THE MAIN CONCERN IS NORTH WIND PRONE AREAS...
ESPECIALLY ALONG THE COLORADO RIVER VALLEY AND EXTREME EASTERN SAN
BERNARDINO COUNTY WHERE WINDS MAY REACH OVER 60 MPH. A HIGH WIND
WATCH HAS BEEN ISSUED WITH THIS PACKAGE FOR THESE AREAS AS WELL AS
SOUTHERN NEVADA.
.LONG TERM...MODELS ARE TRENDING TOWARD A COMMON SOLUTION WITH THE
CORE OF THE COLD UPPER LOW FORECAST TO DROP JUST EAST OF THE CWA
WEDNESDAY. THERE WAS BETTER MODEL CONSENSUS THIS MORNING WITH THE
GFS TRENDING A LITTLE FURTHER WEST AND THE ECMWF TRENDING EVER SO
SLIGHTLY TO THE EAST. THE GEM HAS BEEN THE MOST CONSISTENT WITH ITS
SOLUTION OF A COMPACT LOW CENTERED OVER NORTHERN ARIZONA BY
WEDNESDAY AFTERNOON WHICH IS CLOSE TO THE TRACK OF THE OPERATIONAL
GFS AND ECMWF MODELS. THE GFS ENSEMBLE FORECAST STILL SHOWS SOME
SPREAD IN THE ACTUAL LOW CENTER POSITION BUT THE INDIVIDUAL
SOLUTIONS ARE FURTHER WEST THAN SOLUTIONS OF 24 HRS AGO AS WELL.
WITH THAT...IT LOOKS LIKE TEMPERATURES WILL STRUGGLE TO WARM ON
WEDNESDAY WITH PARTS OF THE VALLEY STRUGGLING TO REACH THE 40S THAT
AFTERNOON AND DROPPING BACK INTO THE 20S THURSDAY MORNING. ANOTHER
CONCERN WILL BE THE STRENGTH OF THE NORTH WIND ADDING TO THE COLD
TEMPERATURES WITH WIND CHILL VALUES LIKELY IN THE UPPER 20S TO LOW
30S DURING THE DAY WEDNESDAY. THE LOW IS THEN FORECAST TO MOVE OFF
TO THE SOUTHEAST AND EAST THURSDAY AND FRIDAY WITH HIGH PRESSURE
NUDGING INTO THE WEST COAST. THERE IS A HIGH LEVEL OF UNCERTAINTY IN
JUST HOW QUICKLY THE LOW MOVES EAST HOWEVER SO HAVE SLOWLY BROUGHT
TEMPERATURES BACK TO AROUND NORMAL BY SATURDAY.
&&
.AVIATION...FOR MCCARRAN...SOUTHEAST WINDS AROUND 20KTS WITH GUSTS
UP TO 35KTS TO CONTINUE THIS AFTERNOON THEN DECREASING TO AROUND
12KTS THIS EVENING. LIGHT SHOWERS ARE POSSIBLE LATE THIS AFTERNOON
AND INTO THE EVENING MAINLY OVER THE MOUNTAINS WITH VIRGA OVER THE
VALLEY. A COLD FRONT IS FORECAST TO MOVE THROUGH THE VALLEY LATER
THIS EVENING BETWEEN 05Z AND 08Z SHIFTING WINDS TO THE NORTHWEST.
FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...SOUTHWEST WINDS WILL CONTINUE THROUGH THE AFTERNOON
WITH WIND SPEEDS FROM 15 TO 25 KTS AND GUSTS TO AROUND 35 KTS. A
COLD FRONT WILL MOVE SOUTH THROUGH THE REGION TONIGHT WITH GUSTY
NORTH WINDS DEVELOPING BEHIND IT. ISOLATED VALLEY SHOWERS AND
SCATTERED TO NUMEROUS MOUNTAIN SHOWERS ARE POSSIBLE ESPECIALLY ALONG
THE FRONT. MOUNTAINS WILL BECOME PARTIALLY OBSCURED AT TIMES AS
CIGS LOWER TO UNDER 6K FT IN SHOWER ACTIVITY.
&&
.VEF WATCHES/WARNINGS/ADVISORIES...
NV...HIGH WIND WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON FOR NVZ016-020>022.
AZ...HIGH WIND WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
EVENING FOR AZZ002-036.
CA...HIGH WIND WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON FOR CAZ524-526-527.
&&
JENSEN/SALMEN
HTTP://WEATHER.GOV/LASVEGASHazardous weather outlook, Jan 30, 6:25 AM PST, 9 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 625 AM PST SUN JAN 30 2011 AZZ001>003-036-CAZ519>527-NVZ014>022-310800- NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-EASTERN SIERRA SLOPES- OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY- DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT- EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- SHEEP RANGE-SPRING MOUNTAINS-LAS VEGAS VALLEY- SOUTHERN CLARK COUNTY- 625 AM PST SUN JAN 30 2011 /725 AM MST SUN JAN 30 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...SOUTHEAST CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT A PACIFIC STORM WITH LIMITED MOISTURE WILL MOVE FROM NORTHERN CALIFORNIA INTO SOUTHERN NEVADA BY TONIGHT. THIS SYSTEM IS EXPECTED TO PRODUCE LIGHT SNOW AMOUNTS OF 1 TO 3 INCHES ON THE EAST SLOPES OF THE SOUTHERN SIERRA AND ONLY AN INCH OR TWO IN THE MOUNTAINS OF CLARK AND LINCOLN COUNTIES IN SOUTHERN NEVADA. NO WINTER WEATHER ADVISORIES HAVE BEEN ISSUED. ISOLATED TO SCATTERED LIGHT SHOWERS WITH SNOW LEVELS BETWEEN 4000 AND 5000 FEET WILL OCCUR ACROSS THE REST OF THE REGION. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A VERY COLD LOW PRESSURE SYSTEM IS FORECAST TO DROP OUT OF CENTRAL CANADA AND INTO THE SOUTHERN GREAT BASIN TUESDAY AND WEDNESDAY. THE MAIN HAZARDS ASSOCIATED WITH THIS WILL BE THE POTENTIAL FOR NORTH WINDS GUSTING OVER 40 MPH ACROSS MUCH OF THE REGION LATE TUESDAY THROUGH EARLY WEDNESDAY. TEMPERATURES ARE ALSO EXPECTED TO DROP INTO THE MID AND UPPER 20S OVER MOST DESERT AREAS EXCEPT THE LOWER COLORADO RIVER VALLEY TUESDAY NIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER... SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
Nearby
High Wind Watches in Nevada, 2011High Wind Watches in Arizona, 2011High Wind Watches in California, 2011Every high wind watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.