The NWS has issued an EXCESSIVE HEAT WARNING from 8/20/2014 1:00 P.M. to 8/24/2014 7:00 P.M.
URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 330 PM CDT TUE AUG 19 2014 ...DANGEROUS HEAT AND HUMIDITY EXPECTED ACROSS BI-STATE AREA... .HEAT AND HUMIDITY WILL BUILD ACROSS THE AREA THE REMAINDER OF THE WEEK AND INTO THE UPCOMING WEEKEND. THIS SUMMER HAS BEEN RELATIVELY COOL...SO THESE HIGH LEVELS OF HEAT AND HUMIDITY WILL FEEL OPPRESSIVE. THE LENGTH OF THIS HEAT WAVE WILL MAKE IT ESPECIALLY DANGEROUS FOR THOSE THAT DO NOT HAVE ACCESS TO AIR CONDITIONING. ALTHOUGH THE ENTIRE AREA WILL EXPERIENCE THESE HOT AND HUMID CONDITIONS...THE GREATEST IMPACT WILL BE FELT IN THE URBAN HEAT ISLAND OF THE ST LOUIS METRO AREA. ILZ100-101-MOZ063-064-201000- /O.UPG.KLSX.EH.A.0001.140820T1800Z-140825T0000Z/ /O.NEW.KLSX.EH.W.0001.140820T1800Z-140825T0000Z/ MADISON IL-ST. CLAIR IL-ST. LOUIS CITY MO-ST. LOUIS MO- INCLUDING THE CITIES OF...BELLEVILLE...EDWARDSVILLE...ST LOUIS 330 PM CDT TUE AUG 19 2014 ...EXCESSIVE HEAT WARNING IN EFFECT FROM 1 PM WEDNESDAY TO 7 PM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM 1 PM WEDNESDAY TO 7 PM CDT SUNDAY. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. * TIMING...DANGEROUS LEVELS OF HEAT AND HUMIDITY WILL BEGIN ON WEDNESDAY AFTERNOON...AND WILL CONTINUE FOR THE REST OF THE WEEK AND INTO THE UPCOMING WEEKEND. * HEAT INDEX VALUES...HEAT INDEX VALUES OF AT LEAST 105 ARE EXPECTED DUE TO TEMPERATURES IN THE MID TO UPPER 90S...AND DEWPOINTS IN THE LOWER 70S. THE MOST OPPRESSIVE DAY WILL BE FRIDAY...WHEN HEAT INDEX READING WILL APPROACH 110 DEGREES. * IMPACTS...THE LIKELY COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL LEAD TO AN INCREASED RISK OF HEAT-RELATED STRESS AND ILLNESS. THE VERY YOUNG...THE ELDERLY...THOSE WITHOUT AIR CONDITIONING...AND THOSE PARTICIPATING IN STRENUOUS OUTDOOR ACTIVITIES WILL BE THE MOST SUSCEPTIBLE. ALSO...CAR INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
Instructions:
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE 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 IMMEDIATELY.
PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION
ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE
EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT
800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1.
YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668.
Address/Location
City of St. Louis Emergency Management
1915 Olive St
St. Louis, MO 63103
Contact
Emergency: 9-1-1
Alert Details
- Severity:
- Severe - Significant threat to life or property
- Urgency:
- Expected - Responsive action SHOULD be taken soon (within next hour)
- Certainty:
- Likely (p > ~50%)
- Category:
- Meteorological (inc. flood)
- Event:
- Excessive Heat Warning