941  
WWUS75 KVEF 121951  
NPWVEF  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
1251 PM PDT SUN JUL 12 2020  
 
AZZ036-NVZ021-131000-  
/O.NEW.KVEF.LW.Y.0011.200713T1800Z-200714T0300Z/  
/O.CON.KVEF.EH.W.0005.000000T0000Z-200714T0300Z/  
LAKE MEAD NATIONAL RECREATION AREA-  
INCLUDING BULLHEAD CITY, OATMAN, MOHAVE VALLEY, HOOVER DAM,  
AND LAUGHLIN  
1251 PM PDT SUN JUL 12 2020 /1251 PM MST SUN JUL 12 2020/  
   
..EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MONDAY
 
 
   
..LAKE WIND ADVISORY IN EFFECT FROM 11 AM PDT TO 8 PM MONDAY
 
 
* WHAT...FOR THE EXCESSIVE HEAT WARNING, DANGEROUSLY HOT  
CONDITIONS WITH TEMPERATURES UP TO 120. FOR THE LAKE WIND  
ADVISORY, SOUTHWEST WINDS UP TO 20 MPH WITH GUSTS UP TO 30 MPH  
EXPECTED.  
 
* WHERE...LAKE MEAD NATIONAL RECREATION AREA, INCLUDING LAKE MEAD  
AND LAKE MOHAVE.  
 
* WHEN...FOR THE EXCESSIVE HEAT WARNING, NOW UNTIL 8 PM MONDAY.  
FOR THE LAKE WIND ADVISORY, FROM 11 AM TO 8 PM MONDAY.  
 
* IMPACTS...STRONG WINDS AND ROUGH WAVES ON AREA LAKES WILL CREATE  
HAZARDOUS CONDITIONS FOR SMALL CRAFT. EXTREME HEAT WILL  
SIGNIFICANTLY INCREASE THE POTENTIAL FOR HEAT RELATED ILLNESSES,  
PARTICULARLY FOR THOSE WORKING OR PARTICIPATING IN OUTDOOR  
ACTIVITIES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BOATERS, PARTICULARLY SMALL CRAFT, ON LAKE MEAD AND LAKE MOHAVE  
SHOULD USE EXTRA CAUTION SINCE STRONG WINDS AND 1-2 FOOT WAVES  
CAN OVERTURN SMALL WATER CRAFT.  
 
TO COMBAT HEAT RELATED ILLNESS, DRINK PLENTY OF FLUIDS, STAY IN  
AN AIR- CONDITIONED ROOM, STAY OUT OF THE SUN, AND CHECK UP ON  
RELATIVES AND NEIGHBORS. YOUNG CHILDREN AND PETS SHOULD NEVER BE  
LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES.  
 
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 LIGHTWEIGHT AND LOOSE FITTING CLOTHING WHEN  
POSSIBLE. 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 9 1 1.  
 

 
 

 
 
AZZ002-003-CAZ520-522>527-NVZ016-017-020-022-131000-  
/O.CON.KVEF.EH.W.0005.000000T0000Z-200714T0300Z/  
LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-OWENS VALLEY-  
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 CITY, DESERT HILLS, TOPOCK, KINGMAN,  
GOLDEN VALLEY, DOLAN SPRINGS, VALENTINE, WIKIEUP, YUCCA, BISHOP,  
INDEPENDENCE, LONE PINE, OLANCHA, FURNACE CREEK, STOVEPIPE WELLS,  
SHOSHONE, BARSTOW, DAGGETT, FORT IRWIN, BAKER, MOUNTAIN PASS,  
MITCHELL CAVERNS, 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, PRIMM, SEARCHLIGHT,  
AND CAL-NEV-ARI  
1251 PM PDT SUN JUL 12 2020 /1251 PM MST SUN JUL 12 2020/  
   
..EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MONDAY
 
 
* WHAT...DANGEROUSLY HOT CONDITIONS EXPECTED.  
 
* WHERE...PORTIONS OF NORTHWEST ARIZONA, SOUTHEAST CALIFORNIA  
AND SOUTHERN NEVADA.  
 
* WHEN...THROUGH 8 PM PDT /8 PM MST/ MONDAY.  
 
* IMPACTS...EXTREME HEAT WILL SIGNIFICANTLY INCREASE THE  
POTENTIAL FOR HEAT RELATED ILLNESSES, PARTICULARLY FOR THOSE  
WORKING OR PARTICIPATING IN OUTDOOR ACTIVITIES.  
 
* ADDITIONAL DETAILS...FORECAST HIGH TEMPERATURES INCLUDE 109 TO  
114 FOR LAS VEGAS, MESQUITE, PAHRUMP, BARSTOW, AND THE MORONGO  
BASIN, 117 TO 120 FOR LAKE HAVASU CITY, NEEDLES, AND BULLHEAD  
CITY, 103 TO 109 FOR BISHOP, BEATTY, AND KINGMAN, AND 122 TO 125  
FOR FURNACE CREEK IN DEATH VALLEY NATIONAL PARK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT  
OF THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. YOUNG  
CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES  
UNDER ANY CIRCUMSTANCES.  
 
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 LIGHTWEIGHT AND LOOSE FITTING CLOTHING WHEN  
POSSIBLE. 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 9 1 1.  
 

 
 

 
 
NVZ018-019-131000-  
/O.CON.KVEF.HT.Y.0001.000000T0000Z-200714T0300Z/  
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-  
INCLUDING HAYFORD PK, THE TOWN OF MT CHARLESTON,  
AND RED ROCK CANYON  
1251 PM PDT SUN JUL 12 2020  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY
 
 
* WHAT...HOT CONDITIONS EXPECTED.  
 
* WHERE...SPRING MOUNTAINS-RED ROCK CANYON AND SHEEP RANGE.  
 
* WHEN...THROUGH 8 PM PDT MONDAY.  
 
* IMPACTS...HOT CONDITIONS WILL INCREASE THE POTENTIAL FOR HEAT  
RELATED ILLNESSES, PARTICULARLY FOR THOSE WORKING OR  
PARTICIPATING IN OUTDOOR ACTIVITIES.  
 
* ADDITIONAL DETAILS...FORECAST HIGH TEMPERATURES INCLUDE 85 TO  
90 DEGREES IN KYLE CANYON AND 102 TO 106 IN RED ROCK CANYON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT  
OF THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. YOUNG  
CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES  
UNDER ANY CIRCUMSTANCES.  
 
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 LIGHTWEIGHT AND LOOSE FITTING CLOTHING WHEN  
POSSIBLE. 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 9 1 1.  
 

 
 

 
 
AZZ001-NVZ015-131000-  
/O.CON.KVEF.HT.Y.0001.000000T0000Z-200714T0300Z/  
NORTHWEST PLATEAU-LINCOLN COUNTY-  
INCLUDING COLORADO CITY, PIPE SPRING NATIONAL MONUMENT, TUWEEP,  
MT TRUMBULL, WESTERN GRAND CANYON, CALIENTE, PIOCHE, PANACA,  
HIKO, ALAMO, AND RACHEL  
1251 PM PDT SUN JUL 12 2020 /1251 PM MST SUN JUL 12 2020/  
 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY BELOW  
4500 FEET...  
 
* WHAT...HOT CONDITIONS EXPECTED.  
 
* WHERE...IN NEVADA, LINCOLN COUNTY. IN ARIZONA, NORTHWEST  
PLATEAU BELOW 4500 FEET.  
 
* WHEN...THROUGH 8 PM MONDAY.  
 
* IMPACTS...HOT CONDITIONS WILL INCREASE THE POTENTIAL FOR HEAT  
RELATED ILLNESSES, PARTICULARLY FOR THOSE WORKING OR  
PARTICIPATING IN OUTDOOR ACTIVITIES.  
 
* ADDITIONAL DETAILS...FORECAST HIGH TEMPERATURES OF 102 TO 108  
IN HIKO, CALIENTE AND TUWEEP, 108 TO 110 IN LOWER ELEVATIONS  
INCLUDING CARP AND LITTLEFIELD.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT  
OF THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. YOUNG  
CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES  
UNDER ANY CIRCUMSTANCES.  
 
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 LIGHTWEIGHT AND LOOSE FITTING CLOTHING WHEN  
POSSIBLE. 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 9 1 1.  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT  
HTTPS://WEATHER.GOV/LASVEGAS  
 
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