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2 products issued by NWS for: Saint Louis MO
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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
505 AM CDT WED AUG 20 2014

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-211200-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-
MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL-
CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO-
LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO-
AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-
LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO-
ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
505 AM CDT WED AUG 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE LIKELY THIS MORNING ACROSS PORTIONS OF NORTHEAST
MISSOURI AND WEST CENTRAL ILLINOIS. THERE IS A CHANCE FOR
THUNDERSTORMS ACROSS MUCH OF THE AREA THROUGH THIS AFTERNOON. NO
ORGANIZED SEVERE WEATHER IS CURRENTLY ANTICIPATED.

A DANGEROUS COMBINATION OF HEAT AND HUMIDITY WILL BUILD ACROSS
MUCH OF CENTRAL AND EASTERN MISSOURI AS WELL AS SOUTHWEST ILLINOIS
THIS AFTERNOON. AN EXCESSIVE HEAT WARNING AND HEAT ADVISORY HAS
BEEN ISSUED FOR HEAT INDEX VALUES REACHING OR EXCEEDING 105
DEGREES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE EXCESSIVE HEAT WARNING AND HEAT ADVISORY CONTINUES THURSDAY
THROUGH SUNDAY AFTERNOON.

THERE IS ANOTHER CHANCE OF THUNDERSTORMS ON MONDAY NIGHT THROUGH
TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

$$

TILLY









Excessive Heat Warning

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
310 AM CDT WED AUG 20 2014

...DANGEROUS HEAT AND HUMIDITY EXPECTED ACROSS MUCH OF CENTRAL AND
EASTERN MISSOURI AS WELL AS SOUTHWEST ILLINOIS...

.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-MOZ063-064-202200-
/O.CON.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
310 AM CDT WED AUG 20 2014

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 7 PM CDT SUNDAY...

* 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...UP TO 107 DUE TO TEMPERATURES IN THE MID 90S...AND
  DEWPOINTS IN THE LOWER 70S.

* 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. BEAT THE
  HEAT...CHECK THE BACKSEAT! NEVER LEAVE CHILDREN OR PETS
  UNATTENDED IN A VEHICLE...NOT EVEN FOR A MINUTE.

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.

&&

$$



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