Alert archive / Nevada / Excessive Heat Warnings in 2012
Excessive Heat Warning 4, NWS Las Vegas, NV
NWS Las Vegas, NV issued this excessive heat warning at Aug 7, 2012, 2:41 PM PDT for Clark County, Nye County, Nevada; Inyo County, San Bernardino County, California; Mohave County, Arizona. It took effect at Aug 8, 2012, 12:00 PM PDT. It was in force for 56 hr. 33 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 7, 2012, 2:41 PM PDT (21:41 UTC)
- In effect from
- Aug 8, 2012, 12:00 PM PDT
- Expired
- Aug 10, 2012, 8:00 PM PDT
- In force
- 56 hr
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, Inyo County, CA, San Bernardino County, CA, Clark County, NV, Nye County, NV
The radar
The Las Vegas radar (KESX), 100 km from the middle of the area, began a volume at 21:40 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 8, 2:50 PM PDT | NON-TSTM WND DMG | 4 Nw North Las Vegas, NV | A DUST DEVIL HIT A HOME IN ALIANTE NEAR GRAND TETON AND ALIANTE PARKWAY AFTER IT DEVELOPED IN A NEARBY DIRT LOT. THE WIND TOOK OF 20 TO 30 TILES FROM THE ROOF OF ONE HOME. |
| Aug 9, 3:32 PM PDT | TSTM WND GST 57 | 8 Nw Adelanto, CA | EL MIRAGE RAWS REPORTED A GUST TO 57 MPH AND 0.88 INCHES OF RAIN FROM A THUNDERSTORM. |
| Aug 9, 3:40 PM PDT | LIGHTNING | 10 Wsw Mountain Pass, CA | THE PARK SERVICE REPORTED LIGHTNING STARTED A WILDFIRE NEAR THE VALLEY WELLS REST AREA. |
| Aug 9, 3:50 PM PDT | TSTM WND DMG | Peach Springs, AZ | THUNDERSTORM WINDS BLEW TRAMPOLINES INTO POWER LINES IN PEACH SPRINGS. |
| Aug 9, 3:54 PM PDT | HEAVY RAIN 2.69 | 1 Ese Running Springs, CA | REPORTED BY SDRNS - RUNNING SPRINGS, THE BULK OF THIS RAIN FELL BETWEEN 1354 AND 1454 PDT. |
| Aug 9, 3:59 PM PDT | FLOOD | Victorville, CA | CHP IS REPORTING ROADWAY FLOODING ALONG STATE ROUTE 18 AT THE JUNCTION WITH SHEEP CREEK. |
| Aug 9, 4:15 PM PDT | FLASH FLOOD | Wrightwood, CA | THUNDERSTORM WITH HEAVY RAIN AND HALF INCH HAIL STARTED AROUND 130 PM. ALTHOUGH HE MEASURED 0.68 INCHES IN ABOUT 2 HOURS...SWARTOUT CREEK IS NOW OVERFLOWING ITS BANKS. SOME CARS ARE TURNING AROUND...NOT WANTING TO CROSS. |
| Aug 9, 4:15 PM PDT | HAIL 0.5 | Dolan Springs, AZ | A SPOTTER ESTIMATED HALF INCH DIAMETER HAIL IN DOLAN SPRINGS. |
| Aug 9, 4:40 PM PDT | TSTM WND DMG | Dolan Springs, AZ | DOLAN SPRINGS FIRE DEPARTMENT REPORTED 3 POWER POLES WERE KNOCKED DOWN IN DOLAN SPRINGS BY WIND FROM A THUNDERSTORM. |
| Aug 9, 4:42 PM PDT | FLASH FLOOD | 5 Ne Dolan Springs, AZ | PIERCE FERRY ROAD WAS SHUT DOWN TO DUE TO FLOODING AT MILE POST 15. TOURISTS FROM GRAND CANYON WEST WERE HALTED IN THEIR VEHICLES DUE TO THE FLOODING. |
| Aug 9, 4:47 PM PDT | FLASH FLOOD | 5 N Peach Springs, AZ | MUD WASHED ONTO PORTIONS OF DIAMOND CREEK ROAD. |
| Aug 9, 4:48 PM PDT | TSTM WND GST 47 | 12 Ese Cedar Hills, AZ | A SPOTTER MEASURED A 47 MPH WIND GUST AT THEIR HOUSE. |
| Aug 9, 5:00 PM PDT | DUST STORM | 4 W Chloride, AZ | A SPOTTER REPORTED VISIBILITY REDUCED TO ONE MILE IN BLOWING DUST ON HIGHWAY 93 NEAR CHLORIDE. |
| Aug 9, 5:00 PM PDT | FLASH FLOOD | 12 Ne Dolan Springs, AZ | STOCKTON HILL ROAD WAS FLOODED AND CLOSED. |
| Aug 9, 5:58 PM PDT | TSTM WND GST 68 | 4 Ene Bullhead City, AZ | A SPOTTER MEASURED A 68 MPH WIND GUST AT A HOME WEATHER STATION. THE WIND WAS SHOWING A STEADY PERIOD OF 50 TO 55 MPH WINDS. THE WIND KNOCKED OVER A LARGE MESQUITE TREE AND PUNCHED A HOLE IN THE SIDE OF HIS HOUSE. |
| Aug 9, 6:00 PM PDT | TSTM WND DMG | 2 Nnw Bullhead City, NV | AN 8 BY 12 FOOT WINDOW WAS BLOWN OUT OF THE RIVERSIDE CASINO. |
| Aug 9, 6:00 PM PDT | TSTM WND DMG | Bullhead City, AZ | BULLHEAD CITY POLICE DEPARTMENT REPORTED NUMEROUS POWER LINES DOWN AND POWER POLES KNOCKED DOWN. POWER WAS OUT TO A CONSIDERABLE PORTION OF BULLHEAD CITY. ROOFS WERE AKEN OFF A NUMBER OF MOBILE HOMES. SHEDS WERE KNOCKED OVER AND AWNINGS WERE OFF MOBILE HOMES. |
| Aug 9, 6:11 PM PDT | HEAVY RAIN 0.59 | 1 S Anthem, NV | THE CCRFCD RAIN GAUGE AT THE ANTHEM DETENTION BASIN MEASURED 0.59 INCH OF RAIN IN ABOUT AN HOUR. |
| Aug 9, 6:15 PM PDT | TSTM WND DMG | 1 N Bullhead City, AZ | A SPOTTER REPORTED 2 BIG TREES DOWN IN THE SAMS CLUB PARKING LOT IN BULLHEAD CITY. ONE CAR WINDSHIELD WAS BROKEN OUT. |
| Aug 9, 6:15 PM PDT | TSTM WND DMG | 1 N Laughlin, NV | POWER WAS KNOCKED OUT TO RESIDENTIAL NEIGHBORHOODS ON THE NORTH SIDE OF LAUGHLIN. THE EVENT TIME IS AN ESTIMATE. |
| Aug 9, 6:20 PM PDT | FLASH FLOOD | 4 Nne Green Valley, NV | A REPORT WAS RECEIVED OF 6 INCHES OF WATER CONTAINING ROCK AND DEBRIS ACROSS THE ROAD AT THE INTERSECTION OF TROPICANA AND STEPHANIE. |
| Aug 9, 6:30 PM PDT | FLASH FLOOD | 1 Nw Hualapai Mountain, AZ | SMALL AMOUNTS OF MUD WASHED ONTO HUALAPAI MOUNTAIN ROAD BETWEEN THE 5500 AND 6000 FOOT ELEVATION. THE EVENT TIME IS AN ESTIMATE. |
| Aug 9, 6:30 PM PDT | TSTM WND GST 52 | Bullhead City Airport, AZ | SUSTAINED WINDS OF 45 MPH WITH GUST OF 52 MPH WERE MEASURED AT THE BULLHEAD CITY AIRPORT IN ASSOCIATION WITH AN OUTFLOW BOUNDARY. AIRPORT OBSERVATIONS FAILED AFTER THIS OBSERVATION WAS TRANSMITTED DUE TO POWER OUTAGE. |
| Aug 9, 6:39 PM PDT | DUST STORM | 2 Nne Mohave Valley, AZ | A SPOTTER ESTIMATED WINDS OF 25 MPH ALONG WITH VISIBILITY AT 1/4 MILE DUE TO BLOWING DUST IN BULLHEAD CITY. |
| Aug 9, 6:41 PM PDT | DUST STORM | Topock, AZ | VISIBILITY WAS LESS THAN A QUARTER OF A MILE DUE TO BLOWING DUST IN TOPOCK. WINDS WERE ESTIMATED 35 MPH. |
| Aug 9, 6:44 PM PDT | DUST STORM | 3 Wsw Bullhead City, NV | VISIBILITY WAS ESTIMATED AT LESS THAN 30 FEET DUE TO BLOWING DUST IN LAUGHLIN. |
| Aug 9, 6:45 PM PDT | DUST STORM | 2 Nne Needles, CA | A SPOTTER ESTIMATED 40 TO 50 MPH WIND GUSTS IN NEEDLES. FULLY LOADED NEWSPAPER STANDS WERE KNOCKED OVER. VISIBILITY REDUCED TO ABOUT 2 BLOCKS...OR 1/4 MILE. |
| Aug 9, 6:46 PM PDT | TSTM WND GST 69 | 3 Se Bullhead City, AZ | 69 MPH GUST REPORTED AT BULLHEAD CITY CW4367 MESONET STATION. |
| Aug 9, 6:50 PM PDT | TSTM WND DMG | 1 Sw Bullhead City, AZ | THUNDERSTORM OUTFLOW WINDS CAUSED SEVERAL TENTS TO COLLAPSE DURING A PARTY AT THE COMMUNITY PARK IN BULLHEAD CITY. THE WIND ALSO KNOCKED OVER SEVERAL PORTABLE TOILETS AND BROKE OFF MULTIPLE TREE BRANCHES. |
| Aug 9, 6:50 PM PDT | TSTM WND DMG | 4 Nnw Topock, AZ | POWER LINES WERE REPORTED DOWN IN GOLDEN SHORES AND MOHAVE VALLEY. VISIBILITY BETWEEN 50 AND 500 FEET. |
| Aug 9, 6:56 PM PDT | TSTM WND GST 50 | 3 Ne Bullhead City, AZ | A SPOTTER MEASURED A 50 MPH WIND GUST ASSOCIATED WITH AN OUTFLOW BOUNDARY IN BULLHEAD CITY. TRASH CANS WERE BLOWN AWAY AND ELECTRICTY WAS OUT IN THEIR NEIGHBORHOOD. |
| Aug 9, 7:00 PM PDT | TSTM WND DMG | 2 Nne Mohave Valley, AZ | DAMAGE TO FENCES AND SIGNS FROM BULLHEAD CITY AND MOHAVE VALLEY. POWER WAS OUT IN OLD BULLHEAD AND IN MOHAVE VALLEY. |
| Aug 9, 7:00 PM PDT | TSTM WND DMG | Kingman, AZ | POWER WAS KNOCKED OUT IN DOWNTOWN KINGMAN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 9.7 hours before the alert went out and 24 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
- 3374 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
253 WWUS75 KVEF 072141 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 241 PM PDT TUE AUG 7 2012 ...EXCESSIVE HEAT IN STORE FOR THE MOJAVE DESERT REGION THE LATTER HALF OF THIS WEEK... .A STRONG AREA OF HIGH PRESSURE WILL BE CENTERED OVER UTAH AND ARIZONA WEDNESDAY THROUGH FRIDAY. THIS WILL RESULT IN WELL ABOVE NORMAL TEMPERATURES ACROSS THE MOJAVE DESERT THROUGH AT LEAST FRIDAY AND POSSIBLY INTO THIS WEEKEND. AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-081200- /O.UPG.KVEF.EH.A.0002.120808T1900Z-120811T0300Z/ /O.NEW.KVEF.EH.W.0004.120808T1900Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...BAKER...MORONGO VALLEY... YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES... MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...PRIMM... SEARCHLIGHT...CAL-NEV-ARI 241 PM PDT TUE AUG 7 2012 /241 PM MST TUE AUG 7 2012/ ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON PDT /NOON MST/ WEDNESDAY TO 8 PM PDT /8 PM MST/ FRIDAY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED AN EXCESSIVE HEAT WARNING BELOW 4000 FEET FOR PORTIONS OF SOUTHERN NEVADA... SOUTHEAST CALIFORNIA AND NORTHWEST ARIZONA...WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 8 PM FRIDAY. THIS REPLACES THE EXCESSIVE HEAT WATCH PREVIOUSLY IN EFFECT. * EXPECTED TEMPERATURES: HIGHS ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...110 TO 112 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS...113 TO 118 IN THE COLORADO RIVER VALLEY...102 TO 105 IN KINGMAN AND 122 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$
9 follow-up statements
605 WWUS75 KVEF 081139 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 439 AM PDT WED AUG 8 2012 ...EXCESSIVE HEAT IN STORE FOR THE MOJAVE DESERT REGION TODAY THROUGH FRIDAY... .A STRONG AREA OF HIGH PRESSURE WILL BE CENTERED OVER UTAH AND ARIZONA TODAY THROUGH FRIDAY. THIS WILL RESULT IN WELL ABOVE NORMAL TEMPERATURES ACROSS THE MOJAVE DESERT THROUGH AT LEAST FRIDAY AND POSSIBLY INTO THIS WEEKEND. AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-081915- /O.CON.KVEF.EH.W.0004.120808T1900Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...BAKER...MORONGO VALLEY... YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES... MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...PRIMM... SEARCHLIGHT...CAL-NEV-ARI 439 AM PDT WED AUG 8 2012 /439 AM MST WED AUG 8 2012/ ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON PDT /NOON MST/ TODAY TO 8 PM PDT /8 PM MST/ FRIDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON PDT /NOON MST/ TODAY TO 8 PM PDT /8 PM MST/ FRIDAY. * EXPECTED TEMPERATURES: HIGHS ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...110 TO 112 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS...113 TO 118 IN THE COLORADO RIVER VALLEY...102 TO 105 IN KINGMAN AND 122 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$
929 WWUS75 KVEF 081908 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 1208 PM PDT WED AUG 8 2012 ...EXCESSIVE HEAT IN STORE FOR THE MOJAVE DESERT REGION TODAY THROUGH FRIDAY... .A STRONG AREA OF HIGH PRESSURE WILL BE CENTERED OVER UTAH AND ARIZONA TODAY THROUGH FRIDAY. THIS WILL RESULT IN WELL ABOVE NORMAL TEMPERATURES ACROSS THE MOJAVE DESERT THROUGH AT LEAST FRIDAY AND POSSIBLY INTO THIS WEEKEND. AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-091200- /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...BAKER...MORONGO VALLEY... YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES... MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...PRIMM... SEARCHLIGHT...CAL-NEV-ARI 1208 PM PDT WED AUG 8 2012 /1208 PM MST WED AUG 8 2012/ ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY. * EXPECTED TEMPERATURES: HIGHS ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...110 TO 112 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS...113 TO 118 IN THE COLORADO RIVER VALLEY...102 TO 105 IN KINGMAN AND 122 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$
165 WWUS75 KVEF 091213 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 513 AM PDT THU AUG 9 2012 ...EXCESSIVE HEAT IN STORE FOR THE MOJAVE DESERT REGION THROUGH FRIDAY... .A STRONG AREA OF HIGH PRESSURE WILL BE CENTERED OVER UTAH AND ARIZONA THROUGH FRIDAY. THIS WILL RESULT IN WELL ABOVE NORMAL TEMPERATURES ACROSS THE MOJAVE DESERT THROUGH AT LEAST FRIDAY AND POSSIBLY INTO THIS WEEKEND. AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-092300- /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...BAKER...MORONGO VALLEY... YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES... MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...PRIMM... SEARCHLIGHT...CAL-NEV-ARI 513 AM PDT THU AUG 9 2012 /513 AM MST THU AUG 9 2012/ ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY. * EXPECTED TEMPERATURES: HIGHS ARE FORECAST TO REACH AROUND 112 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...112 IN THE BARSTOW- DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS...113 TO 118 IN THE COLORADO RIVER VALLEY...103 TO 106 IN KINGMAN AND 124 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$
611 WWUS75 KVEF 092244 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 344 PM PDT THU AUG 9 2012 ...EXCESSIVE HEAT IN STORE FOR THE MOJAVE DESERT REGION THROUGH FRIDAY... .A STRONG AREA OF HIGH PRESSURE WILL BE CENTERED OVER UTAH AND ARIZONA THROUGH FRIDAY. THIS WILL RESULT IN WELL ABOVE NORMAL TEMPERATURES ACROSS THE MOJAVE DESERT THROUGH AT LEAST FRIDAY AND POSSIBLY INTO THIS WEEKEND. AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-101200- /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...BAKER...MORONGO VALLEY... YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES... MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...PRIMM... SEARCHLIGHT...CAL-NEV-ARI 344 PM PDT THU AUG 9 2012 /344 PM MST THU AUG 9 2012/ ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY. * EXPECTED TEMPERATURES: ON FRIDAY HIGHS ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...111 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS...113 TO 118 IN THE COLORADO RIVER VALLEY...103 TO 106 IN KINGMAN AND 124 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$
113 WWUS75 KVEF 100206 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 706 PM PDT THU AUG 9 2012 ...EXCESSIVE HEAT IN STORE FOR THE MOJAVE DESERT REGION THROUGH FRIDAY... .A STRONG AREA OF HIGH PRESSURE WILL BE CENTERED OVER UTAH AND ARIZONA THROUGH FRIDAY. THIS WILL RESULT IN WELL ABOVE NORMAL TEMPERATURES ACROSS THE MOJAVE DESERT THROUGH AT LEAST FRIDAY AND POSSIBLY INTO THIS WEEKEND. CAZ524-526-527-NVZ021-022-101015- /O.NEW.KVEF.DS.W.0002.120810T0206Z-120810T0400Z/ /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ EASTERN MOJAVE DESERT-CADIZ BASIN-SAN BERNARDINO COUNTY- UPPER COLORADO RIVER VALLEY-LAKE MEAD NATIONAL RECREATION AREA- SOUTHERN CLARK COUNTY- INCLUDING...BAKER...MOUNTAIN PASS... MITCHELL CAVERNS...VIDAL JUNCTION...NEEDLES...HOOVER DAM... LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI 706 PM PDT THU AUG 9 2012 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... ...DUST STORM WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A DUST STORM WARNING...WHICH IS IN EFFECT UNTIL 9 PM PDT THIS EVENING. AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY. * EXPECTED TEMPERATURES: ON FRIDAY HIGHS ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...111 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS... 113 TO 118 IN THE COLORADO RIVER VALLEY...103 TO 106 IN KINGMAN AND 124 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. * THUNDERSTORM OUTFLOW WINDS ARE MOVING THROUGH THE COLORADO RIVER VALLEY INTO EASTERN SAN BERNARDINO COUNTY PRODUCING STRONG WINDS TO 50 MPH AND BLOWING DUST WITH VISIBILITIES LESS THAN ONE QUARTER MILE THROUGH 9 PM. LOCAL AREAS COULD SEE ZERO VISIBILITIES AT TIMES. IMPACTED AREAS INCLUDE HIGHWAY 95...INTERSTATE 40...NATIONAL TRAILS HIGHWAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. IF YOU SEE AN ADVANCING WALL OF DUST...DO NOT DRIVE INTO IT IF AT ALL POSSIBLE. BLOWING DUST CAN QUICKLY REDUCE VISIBILITY...CAUSING ACCIDENTS...THAT MAY INVOLVE CHAIN COLLISIONS AND CREATE MASSIVE PILEUPS. && $$ AZZ002-003-036-CAZ522-523-525-NVZ016-017-020-101015- /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-MORONGO BASIN-NORTHEAST CLARK COUNTY- WESTERN CLARK AND SOUTHERN NYE COUNTY-LAS VEGAS VALLEY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...MORONGO VALLEY...YUCCA VALLEY... TWENTYNINE PALMS...MESQUITE...OVERTON...MOAPA...PAHRUMP... INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS... NORTH LAS VEGAS...HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS... MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND 706 PM PDT THU AUG 9 2012 /706 PM MST THU AUG 9 2012/ ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY. * EXPECTED TEMPERATURES: ON FRIDAY HIGHS ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...111 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS... 113 TO 118 IN THE COLORADO RIVER VALLEY...103 TO 106 IN KINGMAN AND 124 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$
557 WWUS75 KVEF 100401 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 901 PM PDT THU AUG 9 2012 ...EXCESSIVE HEAT IN STORE FOR THE MOJAVE DESERT REGION THROUGH FRIDAY... .A STRONG AREA OF HIGH PRESSURE WILL BE CENTERED OVER UTAH AND ARIZONA THROUGH FRIDAY. THIS WILL RESULT IN WELL ABOVE NORMAL TEMPERATURES ACROSS THE MOJAVE DESERT THROUGH AT LEAST FRIDAY AND POSSIBLY INTO THIS WEEKEND. CAZ524-526-527-NVZ021-022-101200- /O.CAN.KVEF.DS.W.0002.000000T0000Z-120810T0400Z/ /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ EASTERN MOJAVE DESERT-CADIZ BASIN-SAN BERNARDINO COUNTY- UPPER COLORADO RIVER VALLEY-LAKE MEAD NATIONAL RECREATION AREA- SOUTHERN CLARK COUNTY- INCLUDING...BAKER...VIDAL JUNCTION...NEEDLES... HOOVER DAM...LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI 901 PM PDT THU AUG 9 2012 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... ...DUST STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE DUST STORM WARNING. AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY. * THE OUTFLOW BOUNDARIES FROM THE EARLIER THUNDERSTORMS HAVE DISSIPATED AND VISIBILITIES HAVE IMPROVED GREATLY. * EXPECTED TEMPERATURES: ON FRIDAY HIGHS ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...111 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS... 113 TO 118 IN THE COLORADO RIVER VALLEY...103 TO 106 IN KINGMAN AND 124 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. * THUNDERSTORM OUTFLOW WINDS ARE MOVING THROUGH THE COLORADO RIVER VALLEY INTO EASTERN SAN BERNARDINO COUNTY PRODUCING STRONG WINDS TO 50 MPH AND BLOWING DUST WITH VISIBILITIES LESS THAN ONE QUARTER MILE THROUGH 9 PM. LOCAL AREAS COULD SEE ZERO VISIBILITIES AT TIMES. IMPACTED AREAS INCLUDE HIGHWAY 95... INTERSTATE 40...NATIONAL TRAILS HIGHWAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$ AZZ002-003-036-CAZ522-523-525-NVZ016-017-020-101200- /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-MORONGO BASIN-NORTHEAST CLARK COUNTY- WESTERN CLARK AND SOUTHERN NYE COUNTY-LAS VEGAS VALLEY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...MORONGO VALLEY...YUCCA VALLEY... TWENTYNINE PALMS...MESQUITE...OVERTON...MOAPA...PAHRUMP... INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS... NORTH LAS VEGAS...HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS... MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND 901 PM PDT THU AUG 9 2012 /901 PM MST THU AUG 9 2012/ ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ FRIDAY. * EXPECTED TEMPERATURES: ON FRIDAY HIGHS ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...111 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS... 113 TO 118 IN THE COLORADO RIVER VALLEY...103 TO 106 IN KINGMAN AND 124 TO 126 IN DEATH VALLEY AT FURNACE CREEK. LOWS AT NIGHT ARE EXPECTED TO ONLY BRIEFLY DIP BELOW 90 DEGREES IN THE LAS VEGAS VALLEY. * GREATEST IMPACTS: THE COMBINATION OF VERY HOT AFTERNOON TEMPERATURES AND VERY WARM OVERNIGHT LOWS WILL RESULT IN VERY OPPRESSIVE CONDITIONS. TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$
389 WWUS75 KVEF 101200 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 500 AM PDT FRI AUG 10 2012 .EXCESSIVELY HOT WEATHER WILL PERSIST ACROSS THE MOJAVE DESERT REGION TODAY. TEMPERATURES ARE EXPECTED TO LOWER SLIGHTLY THIS WEEKEND AS A STRONG AREA OF HIGH PRESSURE SHIFTS OVER THE FOUR CORNERS REGION. AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-102300- /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...BAKER...MORONGO VALLEY... YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES... MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...PRIMM... SEARCHLIGHT...CAL-NEV-ARI 500 AM PDT FRI AUG 10 2012 /500 AM MST FRI AUG 10 2012/ ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM THIS EVENING FOR AREAS BELOW 4000 FEET IN THE MOJAVE DESERT REGION. * EXPECTED TEMPERATURES: HIGHS THIS AFTERNOON ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...111 IN THE BARSTOW- DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS... 113 TO 118 IN THE COLORADO RIVER VALLEY...104 IN KINGMAN AND 125 IN DEATH VALLEY AT FURNACE CREEK. * GREATEST IMPACTS: TEMPERATURES THIS HOT WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. THE EXTREMELY WARM OVERNIGHT TEMPERATURES WILL MAKE IT DIFFICULT FOR THE BODY TO RECOVER FROM THE HEAT... ESPECIALLY FOR THE ELDERLY AND HOMELESS AND THOSE WITHOUT AIR CONDITIONING. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$ JA
990 WWUS75 KVEF 102121 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 221 PM PDT FRI AUG 10 2012 .TEMPERATURES ARE EXPECTED TO COOL SLIGHTLY OVER THE WEEKEND WHICH WILL ALLOW THE EXCESSIVE HEAT WARNING TO EXPIRE THIS EVENING. HOWEVER...TEMPERATURES ARE STILL EXPECTED TO REMAIN ABOVE NORMAL OVER THE WEEKEND AND THEN CONTINUE THROUGH NEXT WEEK. AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-110300- /O.CON.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...BAKER...MORONGO VALLEY... YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES... MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...PRIMM... SEARCHLIGHT...CAL-NEV-ARI 221 PM PDT FRI AUG 10 2012 /221 PM MST FRI AUG 10 2012/ ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS EVENING FOR AREAS BELOW 4000 FEET IN THE MOJAVE DESERT REGION. * EXPECTED TEMPERATURES: HIGHS THIS AFTERNOON ARE FORECAST TO REACH AROUND 111 DEGREES IN LAS VEGAS AT MCCARRAN AIRPORT...111 IN THE BARSTOW-DAGGETT AREA...AROUND 110 IN TWENTYNINE PALMS... 113 TO 118 IN THE COLORADO RIVER VALLEY...104 IN KINGMAN AND 125 IN DEATH VALLEY AT FURNACE CREEK. TEMPERATURES ARE EXPECTED TO BE SLIGHTLY COOLER OVER THE WEEKEND...BUT REMAIN ABOVE NORMAL. * GREATEST IMPACTS: TEMPERATURES THROUGH THE REMAINDER OF THIS AFTERNOON WILL MAKE WORKING OUTDOORS CONSIDERABLY MORE DIFFICULT. HEAT STROKE WILL BE MORE LIKELY FOR THOSE ENGAGING IN STRENUOUS OUTDOOR ACTIVITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING IS ISSUED WHEN TEMPERATURES ARE FORECAST TO REACH DANGEROUS LEVELS THAT WILL STRESS THE BODY IF PRECAUTIONS ARE NOT TAKEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 911. && $$
878 WWUS75 KVEF 110258 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 758 PM PDT FRI AUG 10 2012 AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-110400- /O.EXP.KVEF.EH.W.0004.000000T0000Z-120811T0300Z/ LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...WIKIEUP...YUCCA... BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE... BARSTOW...DAGGETT...FORT IRWIN...BAKER...MORONGO VALLEY... YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES... MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS... DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS... HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE... SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...LAUGHLIN...PRIMM... SEARCHLIGHT...CAL-NEV-ARI 758 PM PDT FRI AUG 10 2012 /758 PM MST FRI AUG 10 2012/ ...EXCESSIVE HEAT WARNING WILL EXPIRE AT 8 PM PDT /8 PM MST/ THIS EVENING... THE EXCESSIVE HEAT WARNING WILL EXPIRE AT 8 PM PDT /8 PM MST/ THIS EVENING. .TEMPERATURES ARE EXPECTED TO COOL SLIGHTLY OVER THE WEEKEND WHICH WILL ALLOW THE EXCESSIVE HEAT WARNING TO EXPIRE AT 8 PM. HOWEVER... TEMPERATURES ARE STILL EXPECTED TO REMAIN ABOVE NORMAL THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK. $$ MS
What forecasters said that day
The local office's own words before this excessive heat warning 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 excessive heat warning went out at Aug 7, 10:15 AM PDT, 4 hours 26 minutes earlier.
Area forecast discussion, Aug 7, 10:15 AM PDT, 4 hours 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
1015 AM PDT TUE AUG 7 2012
.SYNOPSIS...A STRONG AREA OF HIGH PRESSURE WILL ENCOMPASS THE GREAT
BASIN AND MOJAVE DESERT THROUGH THE REMAINDER OF THE WEEK.
ENOUGH MOISTURE WILL REMAIN TRAPPED UNDER THE HIGH TO PRODUCE
ISOLATED AFTERNOON SHOWERS AND THUNDERSTORMS...PRIMARILY OVER THE
MOUNTAINS. VERY HOT TEMPERATURES ARE EXPECTED WEDNESDAY THROUGH
SUNDAY.
&&
.UPDATE...SURFACE OBSERVATIONS SHOWED DEWPOINTS BETWEEN 50 AND 60
AND PW VALUES WERE AROUND 1.5 INCHES NEAR THE SOUTHERN SAN
BERNARDINO COUNTY BORDER. YESTERDAY BROUGHT ISOLATED THUNDERSTORMS
TO THE MORONGO BASIN AND SUFFICIENT MOISTURE AND INSTABILITY IS IN
PLACE FOR MORE OF THE SAME TODAY. ISOLATED THUNDERSTORMS WERE ADDED
TO THE MORONGO BASIN THIS AFTERNOON. THE REST OF THE FORECAST TRENDS
LOOK OKAY.
&&
.PREV DISCUSSION...
323 AM PDT TUE AUG 7 2012
.SHORT TERM...TODAY THROUGH THURSDAY NIGHT...STRONG RIDGE OF HIGH
PRESSURE WILL ENGULF THE GREAT BASIN AND MOJAVE DESERT THROUGH
THURSDAY. H5 HEIGHTS WILL BE BETWEEN 594-597 DM. TEMPERATURES WILL
WARM EACH DAY WITH THURSDAY PROBABLY THE HOTTEST. NO CHANGE TO
EXCESSIVE HEAT WATCH. MOISTURE TRAPPED UNDER THE RIDGE WILL LEAD TO
ISOLATED THUNDERSTORMS OVER THE MOUNTAINS TODAY...WITH LESS COVERAGE
ON WEDNESDAY AND THURSDAY
.LONG TERM...TEMPERATURES ARE EXPECTED TO STILL BE WELL ABOVE NORMAL
ON FRIDAY...WITH A LARGE AREA OF HIGH PRESSURE CENTERED OVER THE
FOUR CORNERS REGION. MODELS SHOW GOOD CONTINUITY WITH THE STRENGTH
OF THE HIGH...WITH 594DM AT 500MB OVER THE FORECAST AREA ON FRIDAY
AND SLOWLY DECREASING THROUGH THE EXTENDED PERIOD AS THE HIGH
TRANSITIONS EASTWARD. THERE WILL STILL BE JUST ENOUGH MOISTURE FOR
THUNDERSTORM CHANCES...BUT HAVE KEPT FORECAST VALUES LOW AND LIMITED
TO HIGHER ELEVATIONS...AS MODELS SHOW MOST OF THE AREA JUST
MARGINALLY UNSTABLE. MODEL GUIDANCE DIVERGES BY THE BEGINNING OF
NEXT WEEK...WITH THE GFS CONTINUING THE IDEA OF WEAK RIDGING...
WHILE THE EC...GFS ENSEMBLE MEAN..AND GEM ALL SHOW A LOW PRESSURE
SYSTEM IMPACTING THE NW TO VARYING DEGREES. THIS WILL DETERMINE IF
AND HOW MUCH/FAST WE SCOUR OUT THE MOISTURE IN PLACE ACROSS THE
REGION...AND WHETHER OR NOT FIRE WEATHER PRODUCTS WILL BE NEEDED.
THE LATEST EC ACTUALLY SHOWS ABOUT 45KTS ON AVERAGE AT 700MB ACROSS
THE FORECAST AREA BY NEXT TUESDAY MORNING...WHICH TRANSLATES TO
BORDERLINE WIND ADVISORY SURFACE WINDS. QUITE THE ANOMALY FOR
AUGUST.
&&
.AVIATION...FOR MCCARRAN...LIGHT WINDS EXPECTED OVER THE NEXT 24
HOURS FAVORING TYPICAL DIURNAL TRENDS...WITH FEW-SCT CLOUDS AOA 12K
FEET. TEMPS WILL BE AOA 100F FROM 19Z TO 03Z TODAY.
FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...ISOLATED SHRA/TSRA WILL BE POSSIBLE AGAIN TODAY AFTER
19Z MAINLY ACROSS THE HIGHER ELEVATIONS OF LINCOLN...CLARK...AND
MOHAVE COUNTIES. GUSTY AND ERRATIC WINDS ARE POSSIBLE IN AND NEAR
ANY SHRA/TSRA ALONG WITH REDUCED CIGS/VSBY. OTHERWISE EXPECT WINDS
FAVORING DIURNAL TRENDS WITH FEW-SCT CLOUDS AOA 10K-12K FEET.
&&
.VEF WATCHES/WARNINGS/ADVISORIES...
NV...EXCESSIVE HEAT WATCH FROM WEDNESDAY AFTERNOON THROUGH FRIDAY
EVENING FOR NVZ016-017-020>022.
AZ...EXCESSIVE HEAT WATCH FROM WEDNESDAY AFTERNOON THROUGH FRIDAY
EVENING FOR AZZ002-003-036.
CA...EXCESSIVE HEAT WATCH FROM WEDNESDAY AFTERNOON THROUGH FRIDAY
EVENING FOR CAZ522>527.
&&
UPDATE...ADAIR
PREV DISCUSSION...PIERCE/KENNEDY
HTTP://WEATHER.GOV/LASVEGASHazardous weather outlook, Aug 7, 4:06 AM PDT, 10 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 406 AM PDT TUE AUG 7 2012 AZZ002-003-036-CAZ522>527-NVZ016-017-020>022-081000- LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK- WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN- CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY- 406 AM PDT TUE AUG 7 2012 /406 AM MST TUE AUG 7 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...SOUTHEAST CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS POSSIBLE PRIMARILY OVER THE MOUNTAINS THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FOR THE MOJAVE DESERT FOR ELEVATIONS BELOW 4000 FEET FOR WEDNESDAY THROUGH FRIDAY. HIGH TEMPERATURES ARE EXPECTED TO 6 TO 8 DEGREES ABOVE NORMAL. FORECAST HIGHS FOR SELECTED LOCATIONS INCLUDE...AROUND 111 AT MCCARRAN INTERNATIONAL AIRPORT IN LAS VEGAS...115 IN THE COLORADO RIVER VALLEY. PREPARE FOR THE HEAT BY FINDING A COOL PLACE...STAYING HYDRATED AND AVOIDING STRENUOUS WORK ESPECIALLY DURING THE HOTTEST PART OF THE DAY. NIGHTTIME LOWS MAY NOT DROP BELOW 90 IN THE MORE URBANIZED PARTS OF LAS VEGAS WHICH WILL PROVIDE LITTLE RELIEF. .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. AZZ001-CAZ519>521-NVZ014-015-018-019-081000- NORTHWEST PLATEAU-EASTERN SIERRA SLOPES-OWENS VALLEY- WHITE MOUNTAINS OF INYO COUNTY-ESMERALDA AND CENTRAL NYE COUNTY- LINCOLN COUNTY-SHEEP RANGE-SPRING MOUNTAINS- 406 AM PDT TUE AUG 7 2012 /406 AM MST TUE AUG 7 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...SOUTHEAST CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS POSSIBLE PRIMARILY OVER THE MOUNTAINS THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WELL ABOVE NORMAL TEMPERATURES WILL OCCUR DURING THE PERIOD. ISOLATED THUNDERSTORMS WILL BE POSSIBLE EACH AFTERNOON AND EVENING WITH THE GREATEST CHANCES OVER THE HIGHER ELEVATIONS. .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.
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 3:07 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 113 min |
| Aug 7, 4:57 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 44 min |
| Aug 7, 4:42 PM PDT | Areal Flood Advisory | VEF | Mohave | 2 hr |
Nearby
Excessive Heat Warnings in Nevada, 2012Excessive Heat Warnings in California, 2012Excessive Heat Warnings in Arizona, 2012Every excessive heat warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.