Alert archive / Missouri / Heat Advisories in 2011
Heat Advisory 2, NWS St. Louis, MO
NWS St. Louis, MO issued this heat advisory at Jun 29, 2011, 4:09 PM CDT for 29 counties in Missouri; 11 counties in Illinois. It took effect at Jun 30, 2011, 12:00 PM CDT. It was in force for 3 days.
The area
The counties it named.
The facts
- Issued
- Jun 29, 2011, 4:09 PM CDT (21:09 UTC)
- In effect from
- Jun 30, 2011, 12:00 PM CDT
- Expired
- Jul 3, 2011, 4:08 PM CDT
- In force
- 3 days
- Issued by
- NWS St. Louis, MO
All 40 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, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 34 km from the middle of the area, began a volume at 21:07 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, 9.2 hours before the alert went out and 257 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
- 1185 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
201 WWUS73 KLSX 292109 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 409 PM CDT WED JUN 29 2011 MOZ018-026-034-041-042-047>050-301030- /O.NEW.KLSX.HT.Y.0002.110630T1700Z-110703T0000Z/ KNOX MO-SHELBY MO-MONROE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY 409 PM CDT WED JUN 29 2011 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM NOON THURSDAY TO 7 PM CDT SATURDAY. * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL BEGIN THURSDAY AFTERNOON AND PERSIST AT LEAST INTO SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 EACH AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH THE PERIOD DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. ADDITIONALLY...THE AFFECTS OF EXCESSIVE HEAT ARE CUMULATIVE...THEREFORE THE HEAT WILL BECOME MORE DANGEROUS THROUGH THE END OF THE WEEK. 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. && $$ CARNEY
10 follow-up statements
656 WWUS73 KLSX 300811 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 311 AM CDT THU JUN 30 2011 ILZ058-059-095>102-MOZ019-027-035-036-051-052-059>065-072-073- 302130- /O.EXB.KLSX.HT.Y.0002.110701T1700Z-110703T0000Z/ GREENE IL-MACOUPIN IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-LEWIS MO-MARION MO- RALLS MO-PIKE MO-MONTGOMERY MO-LINCOLN MO-GASCONADE MO-WARREN MO- ST. CHARLES MO-FRANKLIN MO-ST. LOUIS MO-ST. LOUIS CITY MO- JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...QUINCY...EDWARDSVILLE...BELLEVILLE... HANNIBAL...BOWLING GREEN...ST CHARLES...UNION...ST LOUIS 311 AM CDT THU JUN 30 2011 ...HEAT ADVISORY IN EFFECT FROM NOON FRIDAY TO 7 PM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM NOON FRIDAY TO 7 PM CDT SATURDAY. * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL BEGIN FRIDAY AFTERNOON AND PERSIST INTO SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 EACH AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH THE PERIOD DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. ADDITIONALLY...THE AFFECTS OF EXCESSIVE HEAT ARE CUMULATIVE...THEREFORE THE HEAT WILL BECOME MORE DANGEROUS THROUGH THE FIRST PART OF THE WEEKEND. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. && $$ MOZ018-026-034-041-042-047>050-302130- /O.CON.KLSX.HT.Y.0002.110630T1700Z-110703T0000Z/ KNOX MO-SHELBY MO-MONROE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY 311 AM CDT THU JUN 30 2011 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT SATURDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL BEGIN THIS AFTERNOON AND PERSIST INTO SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 EACH AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH THE PERIOD DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. ADDITIONALLY...THE AFFECTS OF EXCESSIVE HEAT ARE CUMULATIVE...THEREFORE THE HEAT WILL BECOME MORE DANGEROUS THROUGH THE FIRST PART OF THE WEEKEND. 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. && $$ BYRD
965 WWUS73 KLSX 301946 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 246 PM CDT THU JUN 30 2011 MOZ018-026-034-041-042-047>050-011000- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110703T0000Z/ KNOX MO-SHELBY MO-MONROE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY 246 PM CDT THU JUN 30 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL PERSIST ACROSS THE AREA FRIDAY AND SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 EACH AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH THE PERIOD DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. ADDITIONALLY...THE AFFECTS OF EXCESSIVE HEAT ARE CUMULATIVE...THEREFORE THE HEAT WILL BECOME MORE DANGEROUS THROUGH THE FIRST PART OF THE WEEKEND. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. && $$ ILZ058-059-095>102-MOZ019-027-035-036-051-052-059>065-072-073- 011000- /O.CON.KLSX.HT.Y.0002.110701T1700Z-110703T0000Z/ GREENE IL-MACOUPIN IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-LEWIS MO-MARION MO- RALLS MO-PIKE 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- INCLUDING THE CITIES OF...QUINCY...EDWARDSVILLE...BELLEVILLE... HANNIBAL...BOWLING GREEN...ST CHARLES...UNION...ST LOUIS 246 PM CDT THU JUN 30 2011 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO 7 PM CDT SATURDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL BEGIN FRIDAY AFTERNOON AND PERSIST INTO SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 EACH AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH THE PERIOD DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. ADDITIONALLY...THE AFFECTS OF EXCESSIVE HEAT ARE CUMULATIVE...THEREFORE THE HEAT WILL BECOME MORE DANGEROUS THROUGH THE FIRST PART OF THE WEEKEND. 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. 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. && $$ CARNEY
749 WWUS73 KLSX 010904 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 404 AM CDT FRI JUL 1 2011 MOZ018-026-034-041-042-047>050-012200- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110703T0000Z/ KNOX MO-SHELBY MO-MONROE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY 404 AM CDT FRI JUL 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL PERSIST ACROSS THE AREA THIS AFTERNOON AND SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 EACH AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH TOMORROW DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. ADDITIONALLY...THE AFFECTS OF EXCESSIVE HEAT ARE CUMULATIVE...THEREFORE THE HEAT WILL BECOME MORE DANGEROUS THROUGH THE FIRST PART OF THE WEEKEND. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. && $$ ILZ058-059-095>102-MOZ019-027-035-036-051-052-059>065-072-073- 012200- /O.CON.KLSX.HT.Y.0002.110701T1700Z-110703T0000Z/ GREENE IL-MACOUPIN IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-LEWIS MO-MARION MO- RALLS MO-PIKE 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- INCLUDING THE CITIES OF...QUINCY...EDWARDSVILLE...BELLEVILLE... HANNIBAL...BOWLING GREEN...ST CHARLES...UNION...ST LOUIS 404 AM CDT FRI JUL 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT SATURDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL EXIST THIS AFTERNOON THROUGH LATE SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 EACH AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH TOMORROW DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. ADDITIONALLY...THE AFFECTS OF EXCESSIVE HEAT ARE CUMULATIVE...THEREFORE THE HEAT WILL BECOME MORE DANGEROUS THROUGH THE FIRST PART OF THE WEEKEND. 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. 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. && $$ BRITT
797 WWUS73 KLSX 012102 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 402 PM CDT FRI JUL 1 2011 MOZ018-026-034-041-042-047>050-020930- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110703T0000Z/ KNOX MO-SHELBY MO-MONROE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...MEXICO...JEFFERSON CITY 402 PM CDT FRI JUL 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL PERSIST ACROSS THE AREA SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH SATURDAY DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY. && $$ ILZ058-059-095>102-MOZ019-027-035-036-051-052-059>065-072-073- 020930- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110703T0000Z/ GREENE IL-MACOUPIN IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-LEWIS MO-MARION MO- RALLS MO-PIKE 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- INCLUDING THE CITIES OF...QUINCY...EDWARDSVILLE...BELLEVILLE... HANNIBAL...BOWLING GREEN...ST CHARLES...UNION...ST LOUIS 402 PM CDT FRI JUL 1 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL CONTINUE THROUGH LATE SATURDAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH SATURDAY DUE TO THE HIGH LEVELS OF HEAT AND HUMIDITY. 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. 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. && $$ CARNEY
949 WWUS73 KLSX 020846 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 346 AM CDT SAT JUL 2 2011 MOZ018-019-021000- /O.CAN.KLSX.HT.Y.0002.000000T0000Z-110703T0000Z/ KNOX MO-LEWIS MO- 346 AM CDT SAT JUL 2 2011 ...HEAT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE HEAT ADVISORY. A COLD FRONT IS EXPECTED TO MOVE INTO THE REGION TODAY. HEAT INDEX VALUES ARE NOW EXPECTED TO REMAIN BELOW 100 DEGREES THIS AFTERNOON. $$ ILZ100-101-MOZ061-063-064-022100- /O.EXT.KLSX.HT.Y.0002.000000T0000Z-110704T0000Z/ 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 346 AM CDT SAT JUL 2 2011 ...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT SUNDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY ARE NOW EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 THIS AFTERNOON AND AROUND 100 DEGREES ON SUNDAY AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH SUNDAY BECAUSE OF THE HIGH LEVELS OF HEAT AND HUMIDITY. FOUR STRAIGHT DAYS OF HEAT INDEX VALUES OF 100 DEGREES OR GREATER WILL HAVE A CUMULATIVE AFFECT WHICH COULD CAUSE HEAT RELATED INJURIES INTO SUNDAY. 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. 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. && $$ ILZ058-059-095>099-102-MOZ026-027-034>036-041-042-047>052-059-060- 062-065-072-073-022100- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110703T0000Z/ GREENE IL-MACOUPIN IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MONROE IL-SHELBY MO-MARION MO-MONROE MO-RALLS MO- PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO- CALLAWAY MO-MONTGOMERY MO-LINCOLN MO-GASCONADE MO-WARREN MO- FRANKLIN MO-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY...UNION 346 AM CDT SAT JUL 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL CONTINUE THROUGH LATE TODAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 THIS AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THIS AFTERNOON BECAUSE OF THE HIGH LEVELS OF HEAT AND HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ BRITT
545 WWUS73 KLSX 022030 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 330 PM CDT SAT JUL 2 2011 ILZ058-059-095>099-102-MOZ026-027-034>036-041-042-047>052-059-060- 062-065-072-073-030000- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110703T0000Z/ GREENE IL-MACOUPIN IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MONROE IL-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-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY...UNION 330 PM CDT SAT JUL 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY WILL CONTINUE THROUGH LATE TODAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 THIS AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THIS AFTERNOON BECAUSE OF THE HIGH LEVELS OF HEAT AND HUMIDITY. 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. 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. && $$ ILZ100-101-MOZ061-063-064-030830- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110704T0000Z/ MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 330 PM CDT SAT JUL 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY... * TIMING...HIGH LEVELS OF HEAT AND HUMIDITY ARE NOW EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 THIS AFTERNOON AND AROUND 100 DEGREES ON SUNDAY AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH SUNDAY BECAUSE OF THE HIGH LEVELS OF HEAT AND HUMIDITY. FOUR STRAIGHT DAYS OF HEAT INDEX VALUES OF 100 DEGREES OR GREATER WILL HAVE A CUMULATIVE AFFECT WHICH COULD CAUSE HEAT RELATED INJURIES INTO SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ MILLER
100 WWUS73 KLSX 030008 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 708 PM CDT SAT JUL 2 2011 ILZ058-059-095>099-102-MOZ026-027-034>036-041-042-047>052-059-060- 062-065-072-073-030115- /O.EXP.KLSX.HT.Y.0002.000000T0000Z-110703T0000Z/ GREENE IL-MACOUPIN IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MONROE IL-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-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY...UNION 708 PM CDT SAT JUL 2 2011 ...HEAT ADVISORY HAS EXPIRED... HEAT INDEX VALUES WILL CONTINUE TO DROP AS A COLD FRONT MOVES SOUTH INTO THE AREA. $$ ILZ100-101-MOZ061-063-064-031200- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110704T0000Z/ MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS 708 PM CDT SAT JUL 2 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY... * TIMING...SLIGHTLY COOLER AIR IS EXPECTED ON SUNDAY...BUT HUMIDITY LEVELS WILL REMAIN HIGH...CAUSING AFTERNOON HEAT INDEX VALUES TO REMAIN ABOVE 100 DEGREES FOR THE FOURTH CONSECUTIVE DAY. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 THIS EVENING AND AROUND 100 DEGREES ON SUNDAY AFTERNOON. * IMPACTS...HEAT STRESS WILL BE POSSIBLE THROUGH SUNDAY BECAUSE OF THE HIGH LEVELS OF HEAT AND HUMIDITY. FOUR STRAIGHT DAYS OF HEAT INDEX VALUES OF 100 DEGREES OR GREATER WILL HAVE A CUMULATIVE AFFECT WHICH COULD CAUSE HEAT RELATED INJURIES INTO SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. PEOPLE IN THE ST. LOUIS METROPOLITAN AREA CAN GET INFORMATION ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER ST. LOUIS AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-1. YOU CAN ALSO CALL COOL DOWN ST. LOUIS AT 314-241-7668. && $$ CVKING
257 WWUS73 KLSX 030904 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 404 AM CDT SUN JUL 3 2011 ILZ100-101-MOZ061-063-064-032115- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110704T0000Z/ 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 404 AM CDT SUN JUL 3 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...DANGEROUSLY WARM AND HUMID CONDITIONS CAN BE EXPECTED THIS AFTERNOON. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 100 DEGREES. * IMPACTS...HEAT STRESS WILL BE POSSIBLE TODAY BECAUSE OF THE HIGH LEVELS OF HEAT AND HUMIDITY. WHILE AIR TEMPERATURES WILL NOT BE AS WARM AS YESTERDAY...EXPECTED HIGH TEMPERATURES AROUND 90 DEGREES AND HIGH HUMIDITY LEVELS WILL CAUSE HEAT INDEX VALUES TO STILL CLIMB TO AROUND 100 DEGREES. THIS IS THE FOUR STRAIGHT DAY OF HEAT INDEX VALUES OF 100 DEGREES OR GREATER WHICH HAS A CUMULATIVE AFFECT...SO HEAT RELATED INJURIES ARE STILL POSSIBLE TODAY. 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. 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. && $$ BRITT
605 WWUS73 KLSX 031549 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 1049 AM CDT SUN JUL 3 2011 ILZ079-102-MOZ065-074-075-084-085-099-040000- /O.EXA.KLSX.HT.Y.0002.000000T0000Z-110704T0000Z/ RANDOLPH IL-MONROE IL-JEFFERSON MO-ST. FRANCOIS MO- STE. GENEVIEVE MO-IRON MO-MADISON MO-REYNOLDS MO- INCLUDING THE CITIES OF...CHESTER...FARMINGTON 1049 AM CDT SUN JUL 3 2011 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING...DANGEROUSLY WARM AND HUMID CONDITIONS CAN BE EXPECTED THIS AFTERNOON. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE AROUND 105 DEGREES. * IMPACTS...HEAT STRESS WILL BE POSSIBLE TODAY BECAUSE OF THE HIGH LEVELS OF HEAT AND HUMIDITY. AIR TEMPERATURES IN THE MID 90S WITH HIGH HUMIDITY LEVELS WILL PUSH HEAT INDEX VALUES TO AROUND 105 DEGREES.. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. && $$ ILZ100-101-MOZ061-063-064-040000- /O.CON.KLSX.HT.Y.0002.000000T0000Z-110704T0000Z/ 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 1049 AM CDT SUN JUL 3 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...DANGEROUSLY WARM AND HUMID CONDITIONS CAN BE EXPECTED THIS AFTERNOON. * HEAT INDEX VALUES...HEAT INDEX VALUES WILL BE BETWEEN 100 AND 105 DEGREES. * IMPACTS...HEAT STRESS WILL BE POSSIBLE TODAY BECAUSE OF THE HIGH LEVELS OF HEAT AND HUMIDITY. WHILE AIR TEMPERATURES WILL NOT BE AS WARM AS YESTERDAY...EXPECTED HIGH TEMPERATURES IN THE LOW 90S AND HIGH HUMIDITY LEVELS WILL CAUSE HEAT INDEX VALUES TO STILL CLIMB TO 100 TO 105 DEGREES. THIS IS THE FOURTH STRAIGHT DAY OF HEAT INDEX VALUES ABOVE 100 DEGREES WHICH HAS A CUMULATIVE AFFECT...SO HEAT RELATED INJURIES ARE STILL POSSIBLE TODAY. 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. 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. && $$ CARNEY
546 WWUS73 KLSX 032108 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 408 PM CDT SUN JUL 3 2011 ILZ079-100>102-MOZ061-063>065-074-075-084-085-099-032215- /O.CAN.KLSX.HT.Y.0002.000000T0000Z-110704T0000Z/ RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-ST. CHARLES MO- ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-ST. FRANCOIS MO- STE. GENEVIEVE MO-IRON MO-MADISON MO-REYNOLDS MO- INCLUDING THE CITIES OF...CHESTER...EDWARDSVILLE...BELLEVILLE... ST CHARLES...ST LOUIS...FARMINGTON 408 PM CDT SUN JUL 3 2011 ...HEAT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE HEAT ADVISORY. THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON OVER THE MAJORITY OF THE ADVISORY AREA. THE COMBINATION OF PRECIPITATION...CLOUD COVER AND THUNDERSTORM OUTFLOW WINDS HAVE COOLED CONDITIONS BELOW HEAT ADVISORY CRITERIA. $$ MILLER
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 Jun 29, 12:37 PM CDT, 3 hours 32 minutes earlier.
Area forecast discussion, Jun 29, 12:37 PM CDT, 3 hours 32 minutes before
AREA FORECAST DISCUSSION...UPDATED AVIATION NATIONAL WEATHER SERVICE ST LOUIS MO 1237 PM CDT WED JUN 29 2011 .DISCUSSION... /334 AM CDT WED JUN 29 2011/ SURFACE RIDGE TO SLOWLY MOVE OFF TO THE EAST TODAY ALLOWING SOUTHERLY WINDS TO RETURN TO THE REGION. THIS WILL USHER IN A MUCH WARMER PERIOD FOR THE FORECAST AREA FOR THE LAST PART OF THE WORK WEEK AND INTO THE HOLIDAY WEEKEND...WITH HEAT INDICES ABOVE 100 DEGREES AS EARLY AS THURSDAY. FOR TODAY...SOME SC HAS DEVELOPED ALONG AND SOUTH OF I-70 EARLY THIS MORNING ON NOSE OF WEAK LOW LEVEL JET. FEEL THAT THEY SHOULD THIN OUT AND DISSIPATE BY MIDDAY. OTHERWISE...JUST SEEING MOSTLY SUNNY SKIES WITH TEMPS WARMING UP INTO THE MID 80S EAST TO UPPER 80S OVER CENTRAL MO. TONIGHT WILL BE MOSTLY CLEAR AND MILD WITH LOWS IN THE MID 60S TO LOW 70S. ON THURSDAY...HEAT BEGINS TO BUILD OVER REGION AS WINDS PICKUP FROM THE SOUTH AROUND 10 TO 15 MPH. HIGH TEMPS IN THE MID 90S OVER CENTRAL MO AND DEWPTS IN THE LOW 70S WILL CREATE HEAT INDICES IN THE 100 TO 105 DEGREE RANGE IN THAT AREA. LOWS THURSDAY NIGHT WILL ONLY DIP INTO THE UPPER 60S TO MID 70S. OUR HOTTEST DAY WILL BE FRIDAY. TEMPS WILL BE IN THE MID TO UPPER 90S EVERYWHERE...WITH HEAT INDICES AROUND 100 FAR EAST AND SOUTHEAST AND WELL IN EXCESS OF 105 ELSEWHERE. AS FOR SATURDAY...MODELS CONTINUE TO SLOW DOWN PROGRESS OF COLD FRONT WITH IT REMAINING JUST NORTH OF FORECAST AREA...DUE TO STRONG UPPER RIDGE. SO ANOTHER HOT DAY ON TAP WITH LOWS IN THE LOW 90S FAR NORTH TO THE UPPER 90S FAR SOUTH. HEAT INDICES WILL BE IN EXCESS OF 100 ALL LOCATIONS. WILL HOLD OFF ON HEAT ADVISORY FOR NOW...BUT DAY CREW WILL NEED TO CONSIDER RAISING THE FLAG ON ONE...ESPECIALLY FOR CENTRAL MO BEGINNING THURSDAY...AND REST OF AREA BEGINNING ON FRIDAY. ON SUNDAY...COULD SEE A BIT MORE CLOUDS DUE TO FRONTAL BOUNDARY...SO WITH SLIGHTLY LOWER TEMPS AND DEWPTS...HEAT INDICES WILL BE JUST BELOW ADVISORY CRITERIA FOR NOW. IF UPPER RIDGE HOLDS TIGHT LONGER...MAY SEE ANOTHER HOT DAY WITH HEAT INDICES WELL ABOVE 100. FOR REMAINDER OF FORECAST...NO MAJOR CHANGES AT THIS TIME. BYRD && .AVIATION... /1226 PM CDT WED JUN 29 2011/ A BIT OF FAIR WEATHER CU SHOULD CONTINUE TO FORM DURING THE AFTERNOON ESPECIALLY IN THE SOMEWHAT DEEPER MOISTURE THAT COVERS THE W HALF OF MO...BUT EXPECT MOST OF THIS CLOUDINESS TO DISSIPATE BY EARLY THIS EVENING WITH LOSS OF HEATING. THERE ARE SOME VERY SUBTLE CLUES IN THE FORECAST SOUNDINGS OF REDEVELOPMENT OF SC OVERNIGHT BETWEEN 3-5KFT WITH THE LOW LEVEL MOISTURE RETURN OVER NE AND CENTRAL MO...SO HAVE HELD ONTO SOME MINIMAL COVERAGE OF FEW/SCT VFR CLDS AT COU AND UIN DUE TO THIS. NO CHANGE IN PRESSURE PATTERN THROUGH 12Z/30 MORNING MEANS NO MAJOR CHANGES IN WINDS THROUGH DAYBREAK THU. PRESSURE GRADIENT IS FORECAST TO INCREASE A BIT ON THURSDAY MORNING WITH WINDS BECOMING JUST A BIT MORE SOUTHERLY. SPECIFICS FOR KSTL...FAIR WEATHER CU DRIVEN BY HEATING SHOULD GIVE WAY TO CLEAR SKIES TONIGHT...WITH WINDS GENERALLY REMAINING FROM THE SE AT 5-8 KTS. TRUETT && .LSX WATCHES/WARNINGS/ADVISORIES... MO...NONE. IL...NONE. && WFO LSX
Hazardous weather outlook, Jun 29, 7:55 AM CDT, 8 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 755 AM CDT WED JUN 29 2011 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-301200- 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- 755 AM CDT WED JUN 29 2011 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 THE NORTH FABIUS RIVER NEAR EWING IS IN MAJOR FLOOD. PLEASE SEE THE APPROPRIATE FLOOD STATEMENT FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY POTENTIALLY DANGEROUS HEAT AND HUMIDITY ARE SET TO BUILD INTO PARTS OF CENTRAL AND NORTHEAST MISSOURI ON THURSDAY...AND THEN SPREAD ACROSS MUCH OF THE REGION INCLUDING THE ST. LOUIS METRO AREA FRIDAY AND SATURDAY. HEAT INDEX VALUES WILL RANGE FROM 100 TO 105 DEGREES DURING THIS PERIOD. THE HOT WEATHER MAY CONTINUE INTO EARLY NEXT WEEK. THE NORTH FABIUS RIVER NEAR EWING IS IN MAJOR FLOOD UNTIL THURSDAY AFTERNOON. PLEASE SEE THE APPROPRIATE FLOOD STATEMENT FOR FURTHER INFORMATION. THERE IS A CHANCE FOR THUNDERSTORMS OVER PARTS OF THE AREA SATURDAY NIGHT AND SUNDAY AND THEN AGAIN ON INDEPENDENCE DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH 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.