483  
WWUS73 KDVN 200457  
NPWDVN  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
1157 PM CDT FRI JUL 19 2019  
   
..DANGEROUS HEAT AND HUMIDITY CONTINUES THROUGH SATURDAY
 
 
.HIGH TEMPERATURES IN THE 90S COMBINED WITH VERY MUGGY CONDITIONS  
WILL LEAD TO DANGEROUS HEAT INDICES THROUGH SATURDAY. TEMPERATURES  
WILL ONLY DROP INTO THE UPPER 70S AND LOW 80S TONIGHT, WITH QUICK  
RISES SATURDAY MORNING. HEAT INDICES SHOULD RISE ABOVE 100  
DEGREES BY 10 AM OR 11 AM, WITH PEAK HEAT INDICES OF 100 TO 110  
EXPECTED FOR SATURDAY.  
 
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-  
009-015>018-024>026-034-035-MOZ009-010-201300-  
/O.CON.KDVN.EH.W.0001.000000T0000Z-190721T0000Z/  
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-  
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-  
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-  
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-  
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-  
INCLUDING THE CITIES OF INDEPENDENCE, MANCHESTER, DUBUQUE,  
VINTON, CEDAR RAPIDS, ANAMOSA, MAQUOKETA, MARENGO, IOWA CITY,  
TIPTON, CLINTON, MUSCATINE, DAVENPORT, BETTENDORF, SIGOURNEY,  
WASHINGTON, WAPELLO, FAIRFIELD, MOUNT PLEASANT, BURLINGTON,  
KEOSAUQUA, FORT MADISON, GALENA, FREEPORT, MOUNT CARROLL,  
STERLING, MOLINE, ROCK ISLAND, GENESEO, PRINCETON, HENNEPIN,  
ALEDO, OQUAWKA, MONMOUTH, CARTHAGE, MACOMB, MEMPHIS, AND KAHOKA  
1157 PM CDT FRI JUL 19 2019  
 
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT  
SATURDAY...  
 
* HEAT INDEX VALUES...UP TO 110 DUE TO TEMPERATURES IN THE 90S AND  
DEWPOINTS IN THE MID 70S.  
 
* TIMING...THROUGH SATURDAY EVENING.  
 
* IMPACTS...INCREASED RISK FOR HEAT EXHAUSTION OR HEAT STROKE.  
THE VERY YOUNG, ELDERLY, THOSE WITHOUT AIR CONDITIONING, AND  
PEOPLE PARTICIPATING IN STRENUOUS OUTDOOR ACTIVITIES ARE THE  
MOST SUSCEPTIBLE. VEHICLE INTERIORS CAN REACH LETHAL  
TEMPERATURES IN A MATTER OF MINUTES. NEVER LEAVE PETS,  
CHILDREN, OR THE ELDERLY UNATTENDED IN PARKED VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF  
DANGEROUSLY HOT TEMPERATURES AND HIGH HUMIDITY WILL OCCUR. THIS  
COMBINATION WILL LEAD TO A DANGEROUS SITUATION IN WHICH HEAT  
ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS, STAY IN AN AIR-  
CONDITIONED ROOM, STAY OUT OF THE SUN, AND CHECK ON RELATIVES AND  
NEIGHBORS, ESPECIALLY THE ELDERLY.  
 
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 9 1 1.  
 

 
 

 
 
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