538  
WWUS76 KMFR 170924  
NPWMFR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MEDFORD OR  
224 AM PDT WED AUG 17 2022  
 
CAZ080>082-ORZ024-026-180045-  
/O.CON.KMFR.HT.Y.0004.220817T1800Z-220819T0600Z/  
WESTERN SISKIYOU COUNTY-CENTRAL SISKIYOU COUNTY-  
SOUTH CENTRAL SISKIYOU COUNTY-  
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY-  
INCLUDING THE CITIES OF SOMES BAR, HAPPY CAMP, CALLAHAN, ETNA,  
FORT JONES, GREENVIEW, HILT, KLAMATH RIVER, YREKA, MOUNT SHASTA,  
DUNSMUIR, GRANTS PASS, MERLIN, WILDERVILLE, MEDFORD, AND ASHLAND  
224 AM PDT WED AUG 17 2022  
 
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
11 PM PDT THURSDAY...  
 
* WHAT...HIGH TEMPERATURES OF 100 TO 110 DEGREES EXPECTED.  
 
* WHERE...IN CALIFORNIA, THE VALLEYS OF WESTERN AND CENTRAL  
SISKIYOU COUNTY. IN OREGON, FAR EASTERN CURRY COUNTY AND  
PORTIONS OF JOSEPHINE AND JACKSON COUNTIES. THIS INCLUDES THE  
ILLINOIS, APPLEGATE, ROGUE, SHASTA AND KLAMATH RIVER VALLEY  
AND THE COMMUNITIES OF MEDFORD, GRANTS PASS, CAVE JUNCTION,  
RUCH, YREKA, HAPPY CAMP, SHADY COVE AND ASHLAND.  
 
* WHEN...FROM 11 AM TODAY TO 11 PM PDT THURSDAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES TO OCCUR.  
 
* ADDITIONAL DETAILS...OVERNIGHT TEMPERATURES WILL BE WARM AS  
WELL DURING THIS TIME PERIOD, AND MAY LIMIT RELIEF FROM THE  
DAYTIME HEAT. CLOUD COVER FROM ANTICIPATED  
SHOWERS/THUNDERSTORMS MAY LIMIT HOW WARM TEMPERATURES GET  
DURING THE DAY AND HOW COOL THEY GET DURING THE OVERNIGHT  
HOURS. TEMPERATURES WILL LOWER BY A FEW DEGREES THURSDAY, BUT  
WILL STILL BE HOT.  
 
* VIEW THE HAZARD AREA IN DETAIL AT  
HTTPS://WWW.WRH.NOAA.GOV/MAP/?WFO=MFR  
 
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.  
 

 
 

 
 
CAZ084-085-ORZ029-030-180045-  
/O.CON.KMFR.HT.Y.0004.000000T0000Z-220818T0600Z/  
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-  
KLAMATH BASIN-  
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-  
INCLUDING THE CITIES OF NEWELL, TULELAKE, DORRIS, MACDOEL,  
LOOKOUT, ADIN, ALTURAS, CANBY, LIKELY, ALTAMONT, OLENE,  
KLAMATH FALLS, AND MIDLAND  
224 AM PDT WED AUG 17 2022  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
 
 
* WHAT...HIGH TEMPERATURES OF 95 TO 100 DEGREES EXPECTED.  
 
* WHERE...IN CALIFORNIA, NORTHEAST SISKIYOU COUNTY AND PORTIONS  
OF MODOC COUNTY. IN OREGON, PORTIONS OF THE KLAMATH BASIN AND  
SOUTHERN ARES IN KLAMATH COUNTY AND FAR SOUTHWESTERN LAKE  
COUNTY. THIS INCLUDES THE COMMUNITIES OF KLAMATH FALLS,  
ALTURAS, TULELAKE, TIONESTA, BEATTY, BLY AND CHILOQUIN.  
 
* WHEN...UNTIL 11 PM PDT TODAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES TO OCCUR.  
 
* ADDITIONAL DETAILS...OVERNIGHT TEMPERATURES WILL BE WARM AS  
WELL DURING THIS TIME PERIOD, AND MAY LIMIT RELIEF FROM THE  
DAYTIME HEAT. CLOUD COVER FROM ANTICIPATED  
SHOWERS/THUNDERSTORMS MAY IMPACT HOW WARM TEMPERATURES GET  
DURING THE DAY AND HOW COOL THEY GET DURING THE OVERNIGHT  
HOURS.  
 
* VIEW THE HAZARD AREA IN DETAIL AT  
HTTPS://WWW.WRH.NOAA.GOV/MAP/?WFO=MFR  
 
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.  
 

 
 

 
 
ORZ027-028-180045-  
/O.CON.KMFR.HT.Y.0004.220817T1800Z-220818T0600Z/  
SOUTH CENTRAL OREGON CASCADES-  
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-  
INCLUDING THE CITIES OF CRESCENT LAKE, DIAMOND LAKE,  
HOWARD PRAIRIE, AND SISKIYOU SUMMIT  
224 AM PDT WED AUG 17 2022  
 
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
11 PM PDT THIS EVENING...  
 
* WHAT...HIGH TEMPERATURES OF 90 TO 95 DEGREES EXPECTED, WITH  
ISOLATED AREAS REACHING UP TO 100 DEGREES.  
 
* WHERE...SOUTH CENTRAL OREGON CASCADES AND SISKIYOU MOUNTAINS  
AND SOUTHERN OREGON CASCADES. THIS INCLUDES UNION CREEK,  
CRATER LAKE, DIAMOND LAKE, LAKE OF THE WOODS AND SISKIYOU  
SUMMIT.  
 
* WHEN...FROM 11 AM TODAY TO 11 PM PDT WEDNESDAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES TO OCCUR.  
 
* ADDITIONAL DETAILS...OVERNIGHT TEMPERATURES WILL BE WARM AS  
WELL DURING THIS TIME PERIOD, AND MAY LIMIT RELIEF FROM THE  
DAYTIME HEAT. CLOUD COVER FROM ANTICIPATED  
SHOWERS/THUNDERSTORMS MAY LIMIT HOW WARM TEMPERATURES GET  
DURING THE DAY AND HOW COOL THEY GET DURING THE OVERNIGHT  
HOURS.  
 
* VIEW THE HAZARD AREA IN DETAIL AT  
HTTPS://WWW.WRH.NOAA.GOV/MAP/?WFO=MFR  
 
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.  
 

 
 

 
 
VISIT US AT HTTPS://WWW.WEATHER.GOV/MEDFORD  
 
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