Non-Precipitation Warnings / Watches / Advisories
Issued by NWS St. Louis, MO

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5
000
WWUS73 KLSX 192030
NPWLSX

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 THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT.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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

TRUETT/CVKING




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.