Alert archive / Missouri / Heat Advisories in 2011
Heat Advisory 7, NWS St. Louis, MO
NWS St. Louis, MO issued this heat advisory at Aug 30, 2011, 4:15 PM CDT for 11 counties in Illinois; 22 counties in Missouri. It took effect at Aug 31, 2011, 12:00 PM CDT. It was in force for 3 days.
The area
The counties it named.
The facts
- Issued
- Aug 30, 2011, 4:15 PM CDT (21:15 UTC)
- In effect from
- Aug 31, 2011, 12:00 PM CDT
- Expired
- Sep 3, 2011, 7:00 PM CDT
- In force
- 3 days
- Issued by
- NWS St. Louis, MO
All 33 counties
Adams County, IL, Brown County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Saint Clair County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Shelby County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 57 km from the middle of the area, began a volume at 21:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.3 hours before the alert went out and 245 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1560 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
740 WWUS73 KLSX 302115 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 415 PM CDT TUE AUG 30 2011 ILZ100-101-MOZ061-063-064-311000- /O.NEW.KLSX.HT.Y.0007.110831T1700Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 415 PM CDT TUE AUG 30 2011 ...HEAT ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 7 PM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 7 PM CDT SATURDAY. * TIMING...HOT AIR WITH SOME HUMIDITY WILL MAKE A RETURN BEGINNING WEDNESDAY AFTERNOON AND CONTINUE INTO SATURDAY. * HEAT INDEX VALUES...100 TO 105 DEGREES EACH AFTERNOON AND EARLY EVENING. THE MOST OPPRESSIVE CONDITIONS WILL BE FOUND IN SAINT LOUIS CITY DUE TO THE URBAN HEAT ISLAND EFFECT. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ TES
10 follow-up statements
215 WWUS73 KLSX 310848 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 348 AM CDT WED AUG 31 2011 ILZ100-101-MOZ061-063-064-312200- /O.CON.KLSX.HT.Y.0007.110831T1700Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 348 AM CDT WED AUG 31 2011 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT SATURDAY... * TIMING...HOT AIR WITH SOME HUMIDITY WILL MAKE A RETURN BEGINNING THIS AFTERNOON AND CONTINUE THROUGH SATURDAY. * HEAT INDEX VALUES...100 TO 105 DEGREES EACH AFTERNOON AND EARLY EVENING. THE MOST OPPRESSIVE CONDITIONS WILL BE FOUND IN SAINT LOUIS CITY DUE TO THE URBAN HEAT ISLAND EFFECT. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ TILLY
102 WWUS73 KLSX 010832 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 332 AM CDT THU SEP 1 2011 ILZ100-101-MOZ061-063-064-012200- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 332 AM CDT THU SEP 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...HOT TEMPERATURES WITH SOME HUMIDITY WILL CONTINUE THIS AFTERNOON THROUGH SATURDAY. * HEAT INDEX VALUES...100 TO 105 DEGREES EACH AFTERNOON AND EARLY EVENING. THE MOST OPPRESSIVE CONDITIONS WILL BE FOUND IN SAINT LOUIS CITY DUE TO THE URBAN HEAT ISLAND EFFECT. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ TILLY
078 WWUS73 KLSX 011639 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 1139 AM CDT THU SEP 1 2011 ILZ095>097-MOZ018-019-026-027-034>036-020445- /O.EXB.KLSX.HT.Y.0007.110901T1700Z-110903T0000Z/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN 1139 AM CDT THU SEP 1 2011 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT FRIDAY. * TIMING...HOT TEMPERATURES WITH INCREASING HUMIDITY WILL CAUSE DANGEROUS WEATHER CONDITIONS THROUGH EARLY FRIDAY EVENING. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL CLIMB INTO THE 100 TO 105 DEGREE RANGE. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. && $$ ILZ098-MOZ041-042-047>052-059-060-062-020445- /O.EXB.KLSX.HT.Y.0007.110901T1700Z-110903T0000Z/ CALHOUN IL-BOONE MO-AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO- CALLAWAY MO-MONTGOMERY MO-LINCOLN MO-GASCONADE MO-WARREN MO- FRANKLIN MO- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY... UNION 1139 AM CDT THU SEP 1 2011 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT FRIDAY. * TIMING...DANGEROUS LEVELS OF HEAT AND HUMID TY ARE EXPECTED THIS AFTERNOON AND FRIDAY AFTERNOON. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL CLIMB INTO THE 100 TO 105 DEGREE RANGE. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ ILZ102-MOZ065-020445- /O.EXA.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MONROE IL-JEFFERSON MO- 1139 AM CDT THU SEP 1 2011 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT SATURDAY. * TIMING...VERY HOT TEMPERATURES WITH SOME HUMIDITY WILL CAUSE DANGEROUS WEATHER CONDITIONS EACH AFTERNOON AND EVENING THROUGH SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL REACH THE 100 TO 105 DEGREE RANGE. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ ILZ100-101-MOZ061-063-064-020445- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 1139 AM CDT THU SEP 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...VERY HOT TEMPERATURES WITH SOME HUMIDITY WILL CONTINUE THIS AFTERNOON THROUGH SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL REACH THE 100 TO 105 DEGREE RANGE. THE MOST OPPRESSIVE CONDITIONS WILL BE FOUND IN SAINT LOUIS CITY AND THE IMMEDIATE SURROUNDING COMMUNITIES BECAUSE OF THE URBAN HEAT ISLAND EFFECT. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ BRITT
149 WWUS73 KLSX 012103 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 403 PM CDT THU SEP 1 2011 ILZ100>102-MOZ061-063>065-021015- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-MONROE IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 403 PM CDT THU SEP 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...VERY HOT TEMPERATURES WITH SOME HUMIDITY WILL CAUSE DANGEROUS WEATHER CONDITIONS FRIDAY AND SATURDAY AFTERNOON. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL REACH THE 100 TO 105 DEGREE RANGE DURING THE AFTERNOON AND EARLY EVENING HOURS. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH INCREASING HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ ILZ095>097-MOZ018-019-026-027-034>036-021015- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110903T0000Z/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN 403 PM CDT THU SEP 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * TIMING...HOT TEMPERATURES WITH INCREASING HUMIDITY WILL CAUSE DANGEROUS WEATHER CONDITIONS THROUGH EARLY FRIDAY EVENING. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE THE 100 TO 105 DEGREE RANGE DURING THE AFTERNOON AND EARLY EVENING HOURS. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ ILZ098-MOZ041-042-047>052-059-060-062-021015- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110903T0000Z/ CALHOUN IL-BOONE MO-AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO- CALLAWAY MO-MONTGOMERY MO-LINCOLN MO-GASCONADE MO-WARREN MO- FRANKLIN MO- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY... UNION 403 PM CDT THU SEP 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * TIMING...DANGEROUS LEVELS OF HEAT AND HUMIDITY ARE EXPECTED THROUGH FRIDAY EVENING. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL CLIMB INTO THE 100 TO 105 DEGREE RANGE DURING THE AFTERNOON AND EARLY EVENING HOURS. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. && $$ BRITT
833 WWUS73 KLSX 020850 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 350 AM CDT FRI SEP 2 2011 ILZ058>060-099-022200- /O.EXA.KLSX.HT.Y.0007.000000T0000Z-110903T0000Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-JERSEY IL- INCLUDING THE CITY OF...LITCHFIELD 350 AM CDT FRI SEP 2 2011 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING...VERY HOT AIR WITH SOME HUMIDITY WILL INUNDATE THE AREA THROUGH EARLY THIS EVENING. * HEAT INDEX VALUES...100 TO 105 DEGREES THIS AFTERNOON AND EARLY EVENING. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ ILZ100>102-MOZ061-063>065-022200- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-MONROE IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 350 AM CDT FRI SEP 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...VERY HOT AIR WITH SOME HUMIDITY WILL CONTINUE TO INUNDATE THE AREA THROUGH EARLY SATURDAY EVENING. * HEAT INDEX VALUES...100 TO 110 DEGREES EACH DAY DURING THE AFTERNOON AND EARLY EVENING. THE MOST OPPRESSIVE CONDITIONS WILL BE FOUND IN SAINT LOUIS CITY DUE TO THE URBAN HEAT ISLAND EFFECT. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ ILZ095>098-MOZ018-019-026-027-034>036-041-042-047>052-059-060-062- 022200- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110903T0000Z/ ADAMS IL-BROWN IL-PIKE IL-CALHOUN 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-FRANKLIN MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY...UNION 350 AM CDT FRI SEP 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...VERY HOT AIR WITH SOME HUMIDITY WILL CONTINUE TO INUNDATE THE AREA THROUGH EARLY THIS EVENING. * HEAT INDEX VALUES...100 TO 110 DEGREES THIS AFTERNOON AND EARLY EVENING. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ TES
866 WWUS73 KLSX 022053 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 353 PM CDT FRI SEP 2 2011 ILZ100>102-MOZ061-063>065-031000- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-MONROE IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 353 PM CDT FRI SEP 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...MUCH ABOVE NORMAL TEMPERATURES WITH SOME HUMIDITY IS EXPECTED TO CONTINUE INTO EARLY SATURDAY EVENING. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL CLIMB TO AROUND 100 DEGREES FOR THE FOURTH DAY IN A ROW ON SATURDAY AFTERNOON. THE WORST CONDITIONS WILL BE FOUND IN AND AROUND SAINT LOUIS CITY DUE TO THE URBAN HEAT ISLAND EFFECT. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ ILZ058>060-095>099-MOZ018-019-026-027-034>036-041-042-047>052-059- 060-062-030000- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110903T0000Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY 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-FRANKLIN MO- INCLUDING THE CITIES OF...LITCHFIELD...QUINCY...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...UNION 353 PM CDT FRI SEP 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...VERY WARM CONDITIONS WILL CONTINUE FOR THE REST OF THE AFTERNOON. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL FALL BELOW 100 DEGREES AREA WIDE BY EARLY EVENING. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ BRITT
660 WWUS73 KLSX 030011 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 711 PM CDT FRI SEP 2 2011 ILZ058>060-095>099-MOZ018-019-026-027-034>036-041-042-047>052-059- 060-062-030115- /O.EXP.KLSX.HT.Y.0007.000000T0000Z-110903T0000Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-LINCOLN MO- GASCONADE MO-WARREN MO-FRANKLIN MO- INCLUDING THE CITIES OF...LITCHFIELD...QUINCY...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...UNION 711 PM CDT FRI SEP 2 2011 ...HEAT ADVISORY HAS EXPIRED... THE HEAT ADVISORY HAS EXPIRED FOR NORTHEAST AND CENTRAL MISSOURI. HEAT INDICIES FOR SATURDAY AFTERNOON WILL REMAIN BELOW 100 DEGREES. AFTERNOON TEMPERATURES WILL RISE FROM AROUND 90 AND INTO THE LOWER 90S. $$ ILZ100>102-MOZ061-063>065-031215- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-MONROE IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 711 PM CDT FRI SEP 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...MUCH ABOVE NORMAL TEMPERATURES WITH SOME HUMIDITY IS EXPECTED TO CONTINUE INTO EARLY SATURDAY EVENING. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL CLIMB TO AROUND 100 DEGREES FOR THE FOURTH DAY IN A ROW ON SATURDAY AFTERNOON. THE WORST CONDITIONS WILL BE FOUND IN AND AROUND SAINT LOUIS CITY DUE TO THE URBAN HEAT ISLAND EFFECT. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ PRZYBYLINSKI
287 WWUS73 KLSX 030905 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 405 AM CDT SAT SEP 3 2011 ILZ100>102-MOZ061-063>065-032200- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-MONROE IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 405 AM CDT SAT SEP 3 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...VERY HOT AIR WITH SOME HUMIDITY WILL INUNDATE THE AREA THROUGH EARLY THIS EVENING. * HEAT INDEX VALUES...100 AND 105 DEGREES FOR THE FOURTH DAY IN A ROW THIS AFTERNOON. THE WORST CONDITIONS WILL BE FOUND IN AND AROUND SAINT LOUIS CITY DUE TO THE URBAN HEAT ISLAND EFFECT. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ TES
536 WWUS73 KLSX 032018 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 318 PM CDT SAT SEP 3 2011 ILZ100>102-MOZ061-063>065-040000- /O.CON.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-MONROE IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 318 PM CDT SAT SEP 3 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...THE DANGEROUS HEAT IS EXPECTED TO FINALLY END BY EARLY THIS EVENING. * HEAT INDEX VALUES...HEAT INDEX READINGS WILL BE AROUND 100 DEGREES LATE THIS AFTERNOON. * IMPACTS...THESE HIGH LEVELS OF HEAT WITH SOME HUMIDITY WILL THREATEN THE HEALTH OF SOME INDIVIDUALS...ESPECIALLY THE YOUNG...THE ELDERLY...THOSE WITH CHRONIC HEALTH PROBLEMS...AND THOSE THAT ARE REQUIRED TO WORK OUTDOORS FOR PROLONGED PERIODS. 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. && $$ BRITT
172 WWUS73 KLSX 032351 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 651 PM CDT SAT SEP 3 2011 ILZ100>102-MOZ061-063>065-040100- /O.EXP.KLSX.HT.Y.0007.000000T0000Z-110904T0000Z/ MADISON IL-ST. CLAIR IL-MONROE IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 651 PM CDT SAT SEP 3 2011 ...HEAT ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING... HEAT INDICIES HAVE FALLEN BELOW DANGEROUS LEVELS OVER THE GREATER ST. LOUIS METRO AREA THUS THE HEAT ADVISORY HAS BEEN ALLOWED TO EXPIRE AT 700 PM CDT. $$ PRZYBYLINSKI
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before this heat advisory went out at Aug 30, 4:06 PM CDT, 9 minutes earlier.
Area forecast discussion, Aug 30, 4:06 PM CDT, 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
406 PM CDT TUE AUG 30 2011
.DISCUSSION...
/405 PM CDT TUE AUG 30 2011/
A MID LEVEL SHORTWAVE CENTERED OVER CNTRL IA IS MAINTAINING A BAND
OF SHRA EXTENDING INTO CNTRL MO BY MEANS OF A LOBE OF VORTICITY AND
THIS SHOULD HELP TO MAINTAIN IT AS IT SLIDES E EARLY THIS EVENING
UNTIL ITS EVENTUAL DISSOLUTION. RAINFALL AMOUNTS FROM THIS WILL BE
RATHER LIGHT WITH ONLY A HUNDREDTH OR TWO EXPECTED FOR MOST
LOCATIONS THAT DO RECEIVE RAINFALL. HEADING INTO LATER THIS EVENING
AND EARLY OVERNIGHT...WE SHOULD SEE A LULL IN THE ACTION WITH
ASSOCIATED LIFT FROM SHORTWAVE GONE AND BEFORE ANTICIPATED
DEVELOPMENT OF A LO LEVEL JET NOSING INTO THE HEART OF THE FA JUST
BEFORE SUNRISE. THIS WILL GIVE US THE NEEDED LIFT IN THE H800-700
LAYER WITH VERY MOIST PWATS OF 1.7" AND WE SHOULD SEE SOME ISOLD-SCT
NEW SHRA/TSRA DEVELOPMENT LATE TONIGHT IN AND AROUND THE STL METRO
AREA AND THIS WILL CONTINUE THRU ABOUT MID WEDNESDAY MORNING BEFORE
DISSIPATING AS VERY WARM COLUMN OF AIR BUILDS OVERHEAD FROM PASSAGE
OF WRMFNT THRU THE AREA.
BY WEDNESDAY AFTERNOON AND INTO THE FIRST PART OF THE LABOR DAY
HOLIDAY WEEKEND...WE WILL SEE PERHAPS THE LAST HEAT WAVE OF THE
YEAR. HEAT SHOULD RAPIDLY BUILD INTO THE AREA TOMORROW AFTERNOON
WITH TEMPS SURGING INTO THE LO-MID 90S WITH SOME UPR 90S IN CNTRL MO
AND STL METRO. THE HOTTEST DAY IS STILL EXPECTED ON THURSDAY WITH
I-70 CORRIDOR IN MO EXPECTED TO TOP THE CENTURY MARK WITH SLIGHTLY
LOWER READINGS ELSEWHERE. WITH RIDGE STAYING STRONG THRU FRIDAY AND
NOW INTO SATURDAY...WE ARE LOOKING AT MID-UPR 90S READINGS FOR MAX
TEMPS REMAINING IN PLACE. DEWPOINTS WILL NOT BE AS STOUT AS THEY
WERE EARLIER IN THE YEAR WITH ONGOING DROUGHT AND EXPECTED DEEP
MIXING ON THURSDAY...BUT THIS WILL TEND TO BALANCE EVERYTHING
OUT...WITH DEWPOINTS REMAINING IN THE 60S YET ALLOWING AMBIENT TEMPS
TO GET HIGHER THAN THEY ORDINARILY WOULD. THIS WILL STILL RESULT IN
4 DAYS OF AROUND 100F OR HIGHER FOR STL METRO AND NEARLY SO FOR
OTHER AREAS. WILL ISSUE HEAT ADVISORY FOR STL METRO NOW AND ALLOW
SUBSEQUENT SHIFTS TO EXPAND IN AREA AS NEEDED.
FOR THE EXTENDED PERIOD (FRIDAY NIGHT - TUESDAY)...INCLUDING THE
LABOR DAY HOLIDAY WEEKEND...MODELS ARE NOW FORECASTING A BIT MORE
TIMID OF AN INITIAL NRN CONUS SHORTWAVE ON FRIDAY NIGHT WHICH
APPEARS IT WILL BE NOT VERY EFFECTIVE AT MAKING A SIGNIFICANT DENT
ON THE MID LEVEL RIDGE THAT WILL ALREADY BE ENTRENCHED ACROSS THE
LWR-MID MS VALLEY AND SRN PLAINS. THIS WILL NOW LIKELY RESULT IN
ONE MORE HOT DAY...ESPECIALLY FOR STL METRO AND AREAS TO THE S AND
E. THIS WILL ALSO RESULT IN THE FIRST OF TWO CDFNTS WASHING OUT AS
IT EDGES INTO THE NRN FA ON SATURDAY. PASSAGE OF A MORE POTENT
SHORTWAVE TO OUR N LATE SATURDAY AND EARLY SUNDAY SHOULD BE MORE
EFFECTIVE AT DEVELOPING NW MID LEVEL FLOW OVER THE AREA FOR EARLY
NEXT WEEK BUT NOT TO THE EXTENT THE MODELS WERE SHOWING BEFORE.
THIS WILL RESULT IN A SECOND CDFNT SWEEPING THRU THE AREA SATURDAY
NIGHT AND EARLY SUNDAY...WITH A RESPECTABLY STRONG 1025MB HI PRES
THEN DOMINATING LABOR DAY AND TUESDAY...WITH COOLER...BELOW
AVERAGE...TEMPS AND DRY WX...ALTHOUGH MAGNITUDE OF COOLER AIR LOOKS
LESS THAN WHAT IT DID 24HRS AGO WITH LESS AMPLIFIED MID LEVEL
FLOW.
TES
&&
.AVIATION...
/1255 PM CDT TUE AUG 30 2011/
STORM COMPLEX THAT FIRED UP OVER NORTHEASTERN KS THIS MORNING...IS
SLOWLY MAKING ITS WAY EAST NORTHEAST ACROSS NORTHERN MO. WITH SUCH
DRY AIR OVER EASTERN PORTIONS OF FORECAST AREA...ACTIVITY IS HAVING
TROUBLE DEVELOPING ANY FURTHER TO THE SOUTH AND EAST. DID ADD TEMPO
MENTION OF THUNDERSTORMS AT KUIN BETWEEN 19Z AND 20Z AS COMPLEX
SLIDES THROUGH. JUST VICINITY SHOWER MENTION AT KCOU THROUGH 23Z AND
AT KSUS/KSTL BETWEEN 23Z AND 03Z. BEYOND THAT MODELS HINTING AT SOME
SUNRISE SURPRISE WAA SHOWERS/ISOLATED THUNDERSTORMS TOWARDS DAYBREAK
ON WEDNESDAY OVER EASTERN PORTIONS OF FORECAST AREA...SO ADDED
VICINITY SHOWER MENTION AT KSUS/KSTL BETWEEN 10Z AND 17Z WEDNESDAY.
OTHERWISE...MAIN ISSUE IS THE WINDS...WHICH HAVE PICKED UP FROM THE
SOUTHEAST TO SOUTH TODAY AND SHOULD REMAIN BETWEEN 10 AND 15 KTS
THROUGH THE FORECAST PERIOD...VEERING MORE TO THE SOUTH TONIGHT.
SPECIFICS FOR KSTL...DOUBT STORMS WILL MAKE IT INTO METRO AREA TIL
CLOSER TO 23Z AND ISOLATED AT BEST...SO KEPT VICINITY SHOWER MENTION
BETWEEN 23Z AND 03Z. BEYOND THAT...STILL COULD SEE SOME SUNRISE
SURPRISE OVER EASTERN MO...SOUTHERN IL...SO ADDED VICINITY SHOWER
MENTION BETWEEN 10Z AND 17Z WEDNESDAY. OTHERWISE...DEALING WITH
SOUTHEAST TO SOUTH WINDS BETWEEN 10 AND 15 KTS THROUGH THE FORECAST
PERIOD...WITH WINDS VEERING MORE TOWARDS THE SOUTH SOUTHWEST BY
MIDDAY ON WEDNESDAY.
BYRD
&&
.CLIMATE...
RECORD HI TEMPS OVER THE NEXT SEVERAL DAYS
SAINT LOUIS (KSTL) COLUMBIA (KCOU)
WEDNESDAY 8/31 100 / 1953 103 / 1913
THURSDAY 9/1 104 / 1984 102 / 1913
FRIDAY 9/2 101 / 1953 100 / 1913
SATURDAY 9/3 99 / 1925 103 / 1939
&&
.LSX WATCHES/WARNINGS/ADVISORIES...
MO...HEAT ADVISORY FROM NOON WEDNESDAY TO 7 PM CDT SATURDAY FOR ST.
CHARLES MO-ST. LOUIS CITY MO-ST. LOUIS MO.
IL...HEAT ADVISORY FROM NOON WEDNESDAY TO 7 PM CDT SATURDAY FOR
MADISON IL-ST. CLAIR IL.
&&
WFO LSXHazardous weather outlook, Aug 30, 4:15 PM CDT, 0 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 415 PM CDT TUE AUG 30 2011 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-311200- 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- 415 PM CDT TUE AUG 30 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TONIGHT THERE IS A CHANCE FOR THUNDERSTORMS ACROSS MUCH OF THE REGION LATE TONIGHT. SEVERE THUNDERSTORMS ARE NOT ANTICIPATED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A CHANCE FOR THUNDERSTORMS WEDNESDAY MORNING. SEVERE WEATHER IS NOT EXPECTED. HEAT AND HUMIDITY WILL RETURN TO THE AREA WEDNESDAY AFTERNOON THROUGH EARLY SATURDAY EVENING...WHERE HEAT INDEX VALUES WILL REACH 100 DEGREES EACH DAY FOR THE SAINT LOUIS METRO AREA. OTHER AREAS WILL APPROACH 100 DEGREES ON SOME OF THE DAYS. A HEAT ADVISORY HAS BEEN ISSUED...PLEASE SEE THIS PRODUCT FOR ADDITIONAL INFORMATION. THERE IS ANOTHER CHANCE FOR THUNDERSTORMS SATURDAY THROUGH SUNDAY AS A COLD FRONT SLOWLY PUSHES ACROSS THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT. TES
Nearby
Heat Advisories in Missouri, 2011Heat Advisories in Illinois, 2011Every heat advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.