Alert archive / Missouri / Excessive Heat Warnings in 2007
Excessive Heat Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this excessive heat warning at Aug 11, 2007, 2:35 PM CDT for 29 counties in Missouri; 17 counties in Illinois. It took effect at Aug 12, 2007, 1:00 PM CDT. It was in force for 4 days. 60 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 11, 2007, 2:35 PM CDT (19:35 UTC)
- In effect from
- Aug 12, 2007, 1:00 PM CDT
- Expired
- Aug 16, 2007, 6:09 PM CDT
- In force
- 4 days
- Issued by
- NWS St. Louis, MO
All 46 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington 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), 18 km from the middle of the area, began a volume at 19:38 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 9:40 PM CDT | TSTM WND DMG | Hurdland, MO | LARGE TREE LIMBS DOWN |
| Aug 12, 9:50 PM CDT | TSTM WND DMG | 5 S Edina, MO | LARGE TREE LIMBS DOWN ACROSS HIGHWAY 15 BETWEEN EDINA AND NOVELTY |
| Aug 12, 10:03 PM CDT | TSTM WND DMG | S Leonard, MO | ALONG HWY H, SINGLE TREE DOWN BLOCKING ROADWAY. EQUIPMENT IS REQUIRED TO REMOVE TREE. |
| Aug 12, 10:10 PM CDT | TSTM WND DMG | La Belle, MO | LARGE TREE LIMBS DOWN |
| Aug 12, 10:15 PM CDT | TSTM WND DMG | Shelbina, MO | TREE LIMBS DOWN, 6 TO 8 INCH DIAMETER. |
| Aug 12, 10:35 PM CDT | TSTM WND DMG | N Philadelphia, MO | A FEW TREES DOWN, 12 TO 18 INCH DIAMETER. |
| Aug 12, 10:35 PM CDT | TSTM WND DMG | Paris, MO | NUMEROUS TREES AND TREE LIMBS DOWN. SOME POWER LINES DOWN AS WELL. |
| Aug 12, 10:40 PM CDT | TSTM WND DMG | Canton, MO | LARGE TREE LIMBS DOWN |
| Aug 12, 10:40 PM CDT | TSTM WND DMG | Monroe City, MO | TREES AND LARGE TREE LIMBS DOWN |
| Aug 12, 10:45 PM CDT | TSTM WND DMG | Columbia, MO | POWER OUT IN THE CITY OF COLUMBIA, ALONG AND NORTH OF I-70. MEASURED GUST TO 61 MPH. |
| Aug 12, 10:45 PM CDT | TSTM WND DMG | Sturgeon, MO | LARGE TREE DOWN |
| Aug 12, 10:55 PM CDT | TSTM WND DMG | Columbia, MO | POWER OUT IN THE CITY OF COLUMBIA, ALONG AND NORTH OF I-70. MEASURED GUST TO 61 MPH. |
| Aug 12, 10:55 PM CDT | TSTM WND DMG | Quincy, IL | LARGE TREE LIMBS DOWN WITHIN THE CITY |
| Aug 12, 10:58 PM CDT | TSTM WND DMG | Mexico, MO | TREES...TREE LIMBS...AND POWER LINES DOWN |
| Aug 12, 11:00 PM CDT | TSTM WND DMG | Centralia, MO | 10 INCH DIAMETER LIMBS DOWN. |
| Aug 12, 11:05 PM CDT | TSTM WND DMG | 5 S Mexico, MO | CORN FLATTENED |
| Aug 12, 11:05 PM CDT | TSTM WND DMG | New London, MO | NUMEROUS TREES DOWN IN NEW LONDON AND SCATTERED THROUGHOUT THE COUNTY. POWER OUTAGES. |
| Aug 12, 11:07 PM CDT | TSTM WND DMG | Farber, MO | TREE LIMBS AND POWER LINES DOWN |
| Aug 12, 11:09 PM CDT | TSTM WND DMG | Ashland, MO | KCOU ASOS MEASURE WIND GUST OF 59 MPH |
| Aug 12, 11:09 PM CDT | TSTM WND GST 59 | N Ashland, MO | KCOU ASOS GUST 52 KT |
| Aug 12, 11:10 PM CDT | TSTM WND DMG | 6 S Palmyra, MO | LARGE TREE DOWN BLOCKING HWY 24 |
| Aug 12, 11:10 PM CDT | TSTM WND DMG | Hannibal, MO | NUMEROUS TREES DOWN, 6 TO 8 INCH DIAMETER. NUMEROUS POWER OUTAGES ACROSS THE CITY. |
| Aug 12, 11:10 PM CDT | TSTM WND DMG | Sw Hannibal, MO | LARGE TREE DOWN BLOCKING ROUTE O. |
| Aug 12, 11:15 PM CDT | TSTM WND DMG | 6 S Palmyra, MO | LARGE TREE DOWN BLOCKING HWY 24 |
| Aug 12, 11:15 PM CDT | TSTM WND DMG | Frankford, MO | LARGE TREE LIMBS DOWN |
| Aug 12, 11:15 PM CDT | TSTM WND DMG | Sw Hannibal, MO | LARGE TREE DOWN BLOCKING ROUTE O. |
| Aug 12, 11:20 PM CDT | TSTM WND DMG | Fulton, MO | TREES DOWN...SOME ROADS BLOCKED |
| Aug 12, 11:25 PM CDT | TSTM WND DMG | Holts Summit, MO | TREES DOWN...ROADS BLOCKED |
| Aug 12, 11:30 PM CDT | TSTM WND DMG | Bowling Green, MO | COUNTY WIDE, NUMEROUS TREE LIMBS DOWN ACROSS ROADWAYS. TWO TRANSFORMERS BLOWN. |
| Aug 12, 11:30 PM CDT | TSTM WND DMG | Frankford, MO | NUMEROUS TREE LIMBS DOWN ACROSS THE COUNTY, FROM FRANKFORD THROUGH BOWLING GREEN TO THE PIKE/LINCOLN COUNTY LINE. |
| Aug 12, 11:30 PM CDT | TSTM WND DMG | Montgomery City, MO | CROSS GUARD AT RAILROAD STOP BLOWN AWAY, WINDS ESTIMATED AT 60 MPH |
| Aug 12, 11:35 PM CDT | TSTM WND DMG | 4 N Portland, MO | TREES DOWN ON ROUTE D BETWEEN READSVILLE AND PORTLAND |
| Aug 12, 11:39 PM CDT | TSTM WND DMG | Mexico, MO | NUMEROUS LIMBS AND TREES DAMAGED, ESTIMATED SIZE UP TO 12 INCHES IN DIAMETER. WINDS UP TO 60 MPH. |
| Aug 12, 11:40 PM CDT | TSTM WND DMG | Jefferson City, MO | A FEW TREES AND LARGE TREE LIMBS DOWN IN THE CITY LIMITS |
| Aug 12, 11:50 PM CDT | TSTM WND DMG | Hermann, MO | TREE LIMBS DOWN THROUGHOUT THE CITY. POWER OUTAGES DUE TO LIMBS ON POWER LINES. |
| Aug 12, 11:55 PM CDT | TSTM WND DMG | Linn, MO | TREE DOWN ACROSS HIGHWAY 89 JUST NORTH OF LINN. TREE LIMBS DOWN THROUGHOUT THE COUNTY. |
| Aug 13, 12:00 AM CDT | TSTM WND DMG | Warrenton, MO | POWER LINES DOWN IN THE CITY. |
| Aug 13, 12:05 AM CDT | TSTM WND DMG | 2 W Foristell, MO | POWER LINES AND TREES DOWN IN THE LAKE SHERWOOD AREA |
| Aug 13, 12:05 AM CDT | TSTM WND DMG | Annada, MO | TREE LIMBS DOWN |
| Aug 13, 12:05 AM CDT | TSTM WND DMG | Winfield, MO | NUMEROUS TREES AND POWER LINES DOWN BETWEEN WINFIELD AND TROY ALONG HWY 47 |
| Aug 13, 12:10 AM CDT | TSTM WND DMG | Wentzville, MO | WEATHER BUG NETWORK RECORDED GUST TO 59 MPH. NUMEROUS TREE DAMAGE REPORTED. |
| Aug 13, 12:15 AM CDT | TSTM WND DMG | Winfield, MO | SIDING BLOWN OFF HOUSE |
| Aug 13, 12:16 AM CDT | TSTM WND DMG | 3 Nw Leslie, MO | TREES AND LINES DOWN ON HIGHWAY C NORTH OF ZZ |
| Aug 13, 12:18 AM CDT | TSTM WND DMG | O'Fallon, MO | TREES...TREE LIMBS...AND POWER LINES DOWN |
| Aug 13, 12:25 AM CDT | TSTM WND DMG | Batchtown, IL | LARGE TREE LIMBS AND POWER LINES DOWN IN BATCHTOWN AND NORTH OF HARDIN |
| Aug 13, 12:25 AM CDT | TSTM WND DMG | St. Peters, MO | TREES...TREE LIMBS AND POWER LINES DOWN. DAMAGE SCATTERED THROUGHOUT ST PETERS...COTTLEVILLE AND HARVESTER. |
| Aug 13, 12:27 AM CDT | TSTM WND DMG | 3 Nw Villa Ridge, MO | TREES AND POWER LINES DOWN ON HIGHWAY V NEAR HIGHWAY 100 |
| Aug 13, 12:30 AM CDT | TSTM WND DMG | St. Charles, MO | TREES...TREE LIMBS...AND POWER LINES DOWN. ROOF DAMAGE TO PUNDMAN FORD. |
| Aug 13, 12:38 AM CDT | TSTM WND GST 62 | St. Charles, MO | KSET ASOS 54 KT GUST |
| Aug 13, 12:45 AM CDT | TSTM WND DMG | Florissant, MO | NUMEROUS REPORTS OF TREES AND TREE LIMBS DOWN. MANY WITHOUT POWER |
| Aug 13, 12:45 AM CDT | TSTM WND DMG | Hillview, IL | LARGE TREE FALLEN ON POWER LINES |
| Aug 13, 12:46 AM CDT | TSTM WND GST 67 | St. Charles, MO | KSET ASOS GUST 58 KT |
| Aug 13, 12:55 AM CDT | TSTM WND DMG | Maplewood, MO | AT THE INTERSECTION OF FLORA AND HOOD, 10 INCH TREE LIMBS DOWN. |
| Aug 13, 12:55 AM CDT | TSTM WND DMG | St. John, MO | *** 1 INJ *** ON EDMUND DRIVE, TREE FELL ON A PERSON, IN HOSPITAL |
| Aug 13, 1:03 AM CDT | TSTM WND GST 60 | Alton, IL | FROM OBSERVER AT ALTON LOCK AND DAM |
| Aug 13, 1:05 AM CDT | TSTM WND DMG | Kemper, IL | TREES DOWN ALONG HIGHWAY 67 |
| Aug 13, 1:25 AM CDT | TSTM WND DMG | Belleville, IL | OFF ILLINOIS ROUTE 13 AT WARRENSBURG RD. SERIES OF STRONG WIND GUSTS CAUSED LARGE TREES TO SWAY VIOLENTLY, A FEW BRANCHES UP TO 2 INCHES IN DIAMETER WERE BROKEN OFF. WINDS ESTIMATED AT 60MPH. NO STRUCTURAL DAMAGE TO HOMES/BUILDINGS IN THE AREA. |
| Aug 13, 2:12 AM CDT | TSTM WND DMG | Belleville, IL | OFF ILLINOIS ROUTE 13 AT WARRENSBURG RD. SERIES OF STRONG WIND GUSTS CAUSED LARGE TREES TO SWAY VIOLENTLY, A FEW BRANCHES UP TO 2 INCHES IN DIAMETER WERE BROKEN OFF. WINDS ESTIMATED AT 60MPH. NO STRUCTURAL DAMAGE TO HOMES/BUILDINGS IN THE AREA. |
| Aug 15, 5:05 PM CDT | DOWNBURST | Oates, MO | 10-12 INCH DIAMETER LIMBS DOWN...SOFFIT AND GUTTERS DAMAGED AND LAWN FURNITURE OVERTURNED AND DAMAGED |
| Aug 16, 9:11 AM CDT | TSTM WND DMG | Hannibal, MO | NUMEROUS REPORTS OF TREES DOWN AND OTHER WIND DAMAGE REPORTED IN MARION COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.6 hours before the alert went out and 241 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
- 361 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 919 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS73 KLSX 111935 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 235 PM CDT SAT AUG 11 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-120745- /O.UPG.KLSX.EH.A.0003.070812T1800Z-070816T0000Z/ /O.NEW.KLSX.EH.W.0002.070812T1800Z-070816T0000Z/ 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES... UNION...ST LOUIS...FARMINGTON 235 PM CDT SAT AUG 11 2007 ...EXCESSIVE HEAT WARNING IN EFFECT FROM 1 PM SUNDAY TO 7 PM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM 1 PM SUNDAY TO 7 PM CDT WEDNESDAY. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. A LARGE RIDGE OF HIGH PRESSURE IS FORECAST TO TAKE UP RESIDENCE ACROSS THE CENTRAL U.S. THIS WEEKEND AND REMAIN NEARLY STATIONARY THROUGH THE MIDDLE OF NEXT WEEK. THIS WEATHER PATTERN WILL RESULT IN THE RETURN OF EXCESSIVELY HOT TEMPERATURES AND INCREASING LEVELS OF HUMIDITY BY SUNDAY...WITH HOT AND HUMID CONDITIONS PERSISTING MONDAY AND PARTICULARLY TUESDAY INTO WEDNESDAY. DANGEROUS LEVELS OF HEAT ARE FORECAST WITH HEAT INDEX VALUES OF 105 DEGREES AND HIGHER LIKELY DURING THE AFTERNOON AND EARLY EVENING HOURS DURING THIS PERIOD ACROSS PORTIONS OF THE AREA. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH TEMPERATURE AND HUMIDITY LEVELS ARE EXPECTED TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER FOR THREE OR MORE CONSECUTIVE DAYS. IN ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM AND MUGGY PROVIDING LITTLE CHANCE FOR RELIEF. THIS BUILD UP OF HEAT WILL MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES OR APARTMENTS. PEOPLE IN THE WARNING AREA ARE ADVISED TO AVOID POORLY VENTILATED AREAS AND PROLONGED WORK IN THE SUN. USE AIR CONDITIONING IN YOUR HOUSE OR APARTMENT IF IT IS WORKING CORRECTLY. IF YOU DO NOT HAVE AIR CONDITIONING...KEEP YOUR HOUSE OR APARTMENT WELL VENTILATED WITH FANS...AND TRY TO SPEND SOME TIME IN AN AIR CONDITIONED ENVIRONMENT TO GIVE YOUR BODY A BREAK FROM THE HEAT. $$ PEDIGO
12 follow-up statements
000 WWUS73 KLSX 120931 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 431 AM CDT SUN AUG 12 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-122230- /O.CON.KLSX.EH.W.0002.070812T1800Z-070816T0000Z/ 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES... UNION...ST LOUIS...FARMINGTON 431 AM CDT SUN AUG 12 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT WEDNESDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT WEDNESDAY. A DANGEROUSLY HOT WEATHER PATTERN HAS ONCE AGAIN BECOME ESTABLISHED ACROSS THE CENTRAL U.S. AND THIS WEATHER PATTERN IS EXPECTED TO PERSIST THROUGH AT LEAST THE MIDDLE OF NEXT WEEK. HIGH TEMPERATURES DURING MOST OF THIS PERIOD WILL BE GREATER THAN THOSE WHICH OCCURRED LAST WEEK. RECORD HIGH TEMPERATURES OR NEAR RECORD HIGH TEMPERATURES WILL ALSO BE POSSIBLE IN PORTIONS OF CENTRAL AND EAST CENTRAL MISSOURI...ESPECIALLY ON TUESDAY. THE EXCESSIVELY HOT TEMPERATURES AND INCREASING LEVELS OF HUMIDITY WILL RESULT IN DANGEROUS LEVELS OF HEAT. HEAT INDEX VALUES OF 105 DEGREES AND HIGHER ARE LIKELY DURING THE AFTERNOON AND EARLY EVENING HOURS DURING THIS PERIOD ACROSS PORTIONS OF THE AREA. THE IMPACT OF THIS PROLONGED HEAT WILL MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES OR APARTMENTS. PEOPLE IN THE WARNING AREA ARE ADVISED TO AVOID POORLY VENTILATED AREAS AND PROLONGED WORK IN THE SUN. USE AIR CONDITIONING IN YOUR HOUSE OR APARTMENT IF IT IS WORKING CORRECTLY. IF YOU DO NOT HAVE AIR CONDITIONING...KEEP YOUR HOUSE OR APARTMENT WELL VENTILATED WITH FANS...AND TRY TO SPEND SOME TIME IN AN AIR CONDITIONED ENVIRONMENT TO GIVE YOUR BODY A BREAK FROM THE HEAT. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH TEMPERATURE AND HUMIDITY LEVELS ARE EXPECTED TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER FOR THREE OR MORE CONSECUTIVE DAYS. IN ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM PROVIDING LITTLE CHANCE FOR RELIEF. $$ GLASS
000 WWUS73 KLSX 122016 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 316 PM CDT SUN AUG 12 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-130915- /O.CON.KLSX.EH.W.0002.000000T0000Z-070816T0000Z/ 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES... UNION...ST LOUIS...FARMINGTON 316 PM CDT SUN AUG 12 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY. A DANGEROUSLY HOT WEATHER PATTERN HAS ONCE AGAIN BECOME ESTABLISHED ACROSS THE CENTRAL U.S. AND THIS WEATHER PATTERN IS EXPECTED TO PERSIST THROUGH AT LEAST THE MIDDLE OF THIS WEEK. THERE WILL BE A BRIEF BREAK TONIGHT AND MONDAY...AS A WEAK FRONTAL BOUNDARY WILL REMAIN OVER THE REGION...GIVING US A LITTLE MORE CLOUD COVER AND POSSIBLY SOME ISOLATED SHOWERS AND THUNDERSTORMS... BUT THE HEAT WILL BE IN FULL FORCE ONCE AGAIN ON TUESDAY. HIGH TEMPERATURES DURING MOST OF THIS PERIOD WILL BE GREATER THAN THOSE WHICH OCCURRED LAST WEEK. RECORD HIGH TEMPERATURES OR NEAR RECORD HIGH TEMPERATURES WILL ALSO BE POSSIBLE IN PORTIONS OF CENTRAL AND EAST CENTRAL MISSOURI...ESPECIALLY ON TUESDAY. THE EXCESSIVELY HOT TEMPERATURES AND INCREASING LEVELS OF HUMIDITY WILL RESULT IN DANGEROUS LEVELS OF HEAT. HEAT INDEX VALUES OF 105 DEGREES AND HIGHER ARE LIKELY DURING THE AFTERNOON AND EARLY EVENING HOURS DURING THIS PERIOD ACROSS PORTIONS OF THE AREA. THE IMPACT OF THIS PROLONGED HEAT WILL MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES OR APARTMENTS. PEOPLE IN THE WARNING AREA ARE ADVISED TO AVOID POORLY VENTILATED AREAS AND PROLONGED WORK IN THE SUN. USE AIR CONDITIONING IN YOUR HOUSE OR APARTMENT IF IT IS WORKING CORRECTLY. IF YOU DO NOT HAVE AIR CONDITIONING...KEEP YOUR HOUSE OR APARTMENT WELL VENTILATED WITH FANS...AND TRY TO SPEND SOME TIME IN AN AIR CONDITIONED ENVIRONMENT TO GIVE YOUR BODY A BREAK FROM THE HEAT. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH TEMPERATURE AND HUMIDITY LEVELS ARE EXPECTED TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER FOR THREE OR MORE CONSECUTIVE DAYS. IN ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM PROVIDING LITTLE CHANCE FOR RELIEF. $$ BYRD
000 WWUS73 KLSX 130930 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 430 AM CDT MON AUG 13 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-132130- /O.CON.KLSX.EH.W.0002.000000T0000Z-070816T0000Z/ 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES... UNION...ST LOUIS...FARMINGTON 430 AM CDT MON AUG 13 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY. A DANGEROUSLY HOT WEATHER PATTERN HAS ONCE AGAIN BECOME ESTABLISHED ACROSS THE CENTRAL U.S. AND THIS WEATHER PATTERN IS EXPECTED TO PERSIST THROUGH AT LEAST THE MIDDLE OF THIS WEEK. THERE WILL BE A BRIEF BREAK TODAY...AS A WEAK FRONTAL BOUNDARY WILL REMAIN OVER THE REGION...GIVING US A LITTLE MORE CLOUD COVER AND POSSIBLY SOME ISOLATED SHOWERS AND THUNDERSTORMS...BUT THE HEAT WILL BE IN FULL FORCE ONCE AGAIN ON TUESDAY AND WEDNESDAY. HIGH TEMPERATURES DURING MOST OF THIS PERIOD WILL BE GREATER THAN THOSE WHICH OCCURRED LAST WEEK. RECORD HIGH TEMPERATURES OR NEAR RECORD HIGH TEMPERATURES WILL ALSO BE POSSIBLE IN PORTIONS OF CENTRAL AND EAST CENTRAL MISSOURI...ESPECIALLY ON TUESDAY AND WEDNESDAY. THE EXCESSIVELY HOT TEMPERATURES AND INCREASING LEVELS OF HUMIDITY WILL RESULT IN DANGEROUS LEVELS OF HEAT. HEAT INDEX VALUES OF 105 DEGREES AND HIGHER ARE LIKELY DURING THE AFTERNOON AND EARLY EVENING HOURS DURING THIS PERIOD ACROSS PORTIONS OF THE AREA. THE IMPACT OF THIS PROLONGED HEAT WILL MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES OR APARTMENTS. PEOPLE IN THE WARNING AREA ARE ADVISED TO AVOID POORLY VENTILATED AREAS AND PROLONGED WORK IN THE SUN. USE AIR CONDITIONING IN YOUR HOUSE OR APARTMENT IF IT IS WORKING CORRECTLY. IF YOU DO NOT HAVE AIR CONDITIONING...KEEP YOUR HOUSE OR APARTMENT WELL VENTILATED WITH FANS...AND TRY TO SPEND SOME TIME IN AN AIR CONDITIONED ENVIRONMENT TO GIVE YOUR BODY A BREAK FROM THE HEAT. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH TEMPERATURE AND HUMIDITY LEVELS ARE EXPECTED TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER FOR THREE OR MORE CONSECUTIVE DAYS. IN ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM PROVIDING LITTLE CHANCE FOR RELIEF. $$ TES
000 WWUS73 KLSX 132033 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 333 PM CDT MON AUG 13 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-140845- /O.CON.KLSX.EH.W.0002.000000T0000Z-070816T0000Z/ 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES... UNION...ST LOUIS...FARMINGTON 333 PM CDT MON AUG 13 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY. A DANGEROUSLY HOT WEATHER PATTERN HAS ONCE AGAIN BECOME ESTABLISHED ACROSS THE CENTRAL U.S. AND THIS WEATHER PATTERN IS EXPECTED TO PERSIST THROUGH AT LEAST THE MIDDLE OF THIS WEEK. HIGH TEMPERATURES TUESDAY AND WEDNESDAY WILL BE AROUND 100 DEGREES WITH THE PEAK HEAT INDEX VALUES RANGING FROM NEAR 105 TO NEAR 110 DEGREES. THE IMPACT OF THIS PROLONGED HEAT WILL MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES OR APARTMENTS. PEOPLE IN THE WARNING AREA ARE ADVISED TO AVOID POORLY VENTILATED AREAS AND PROLONGED WORK IN THE SUN. TAKE PLENTY OF BREAKS IN A COOL AREA TO GIVE YOUR BODY A CHANCE TO COOL DOWN. USE AIR CONDITIONING IN YOUR HOUSE OR APARTMENT IF IT IS WORKING CORRECTLY. IF YOU DO NOT HAVE AIR CONDITIONING...KEEP YOUR HOUSE OR APARTMENT WELL VENTILATED WITH FANS. USE FANS TO BLOW HOT AIR OUT OF ROOMS DURING THE DAY AND THEN BRING IN COOLER OUTSIDE AT NIGHT. TRY TO SPEND SOME TIME IN AN AIR CONDITIONED ENVIRONMENT TO GIVE YOUR BODY A BREAK FROM THE HEAT. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH TEMPERATURE AND HUMIDITY LEVELS ARE EXPECTED TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER FOR THREE OR MORE CONSECUTIVE DAYS. IN ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM PROVIDING LITTLE CHANCE FOR RELIEF. $$ JPK
000 WWUS73 KLSX 140924 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 424 AM CDT TUE AUG 14 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-142130- /O.CON.KLSX.EH.W.0002.000000T0000Z-070816T0000Z/ 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES... UNION...ST LOUIS...FARMINGTON 424 AM CDT TUE AUG 14 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY. A DANGEROUSLY HOT WEATHER PATTERN IS ESTABLISHED ACROSS THE CENTRAL U.S. AND THIS WEATHER PATTERN IS EXPECTED TO PERSIST THROUGH AT LEAST THE MIDDLE OF THIS WEEK. AFTER A BRIEF BREAK ON MONDAY...THE HEAT WILL RETURN IN FULL FORCE TODAY AND WEDNESDAY. HIGH TEMPERATURES TODAY AND WEDNESDAY WILL BE AROUND 100 DEGREES... WITH THE PEAK HEAT INDEX VALUES RANGING FROM NEAR 105 TO NEAR 110 DEGREES DURING THE AFTERNOON AND EARLY EVENING HOURS. THE IMPACT OF THIS PROLONGED HEAT WILL MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES OR APARTMENTS. PEOPLE IN THE WARNING AREA ARE ADVISED TO AVOID POORLY VENTILATED AREAS AND PROLONGED WORK IN THE SUN. TAKE PLENTY OF BREAKS IN A COOL AREA TO GIVE YOUR BODY A CHANCE TO COOL DOWN. USE AIR CONDITIONING IN YOUR HOUSE OR APARTMENT IF IT IS WORKING CORRECTLY. IF YOU DO NOT HAVE AIR CONDITIONING...KEEP YOUR HOUSE OR APARTMENT WELL VENTILATED WITH FANS. USE FANS TO BLOW HOT AIR OUT OF ROOMS DURING THE DAY AND THEN BRING IN COOLER OUTSIDE AT NIGHT. TRY TO SPEND SOME TIME IN AN AIR CONDITIONED ENVIRONMENT TO GIVE YOUR BODY A BREAK FROM THE HEAT. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH TEMPERATURE AND HUMIDITY LEVELS ARE EXPECTED TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER FOR THREE OR MORE CONSECUTIVE DAYS. IN ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM PROVIDING LITTLE CHANCE FOR RELIEF. $$ GLASS
000 WWUS73 KLSX 142152 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 452 PM CDT TUE AUG 14 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-151200- /O.CON.KLSX.EH.W.0002.000000T0000Z-070816T0000Z/ 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES... UNION...ST LOUIS...FARMINGTON 452 PM CDT TUE AUG 14 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY. A DANGEROUS HOT WEATHER PATTERN IS ESTABLISHED ACROSS THE CENTRAL U.S. AND THIS WEATHER PATTERN IS EXPECTED TO PERSIST AT LEAST ONE MORE DAY. RECORD HIGH TEMPERATURES ABOVE 100 DEGREES WERE EXPERIENCED THIS AFTERNOON WITH PEAK HEAT INDICES PEAKING OUT BETWEEN 105 AND 110 DEGREES. AT LEAST ONE MORE DAY OF EXCESSIVE HEAT IS EXPECTED ON WEDNESDAY WITH TEMPERATURES RISING ABOVE 100 DEGREES AGAIN. A COLD FRONT IS EXPECTED TO PUSH SOUTH ON THURSDAY...ULTIMATELY BRINGING AN END TO THE EXCESSIVE HEAT BY FRIDAY. DEPENDING ON HOW FAST THE COLD FRONT IS AND THE AMOUNT OF PRECIPITATION AND CLOUD COVER THAT IS ASSOCIATED WITH IT...THE EXCESSIVE HEAT WARNING MAY NEED TO BE EXTENDED INTO THURSDAY FOR PORTIONS OF THE FORECAST AREA. THE IMPACT OF THIS PROLONGED HEAT WILL MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES OR APARTMENTS. PEOPLE IN THE WARNING AREA ARE ADVISED TO AVOID POORLY VENTILATED AREAS AND PROLONGED WORK IN THE SUN. TAKE PLENTY OF BREAKS IN A COOL AREA TO GIVE YOUR BODY A CHANCE TO COOL DOWN. USE AIR CONDITIONING IN YOUR HOUSE OR APARTMENT IF IT IS WORKING CORRECTLY. IF YOU DO NOT HAVE AIR CONDITIONING...KEEP YOUR HOUSE OR APARTMENT WELL VENTILATED WITH FANS. USE FANS TO BLOW HOT AIR OUT OF ROOMS DURING THE DAY AND THEN BRING IN COOLER OUTSIDE AT NIGHT. TRY TO SPEND SOME TIME IN AN AIR CONDITIONED ENVIRONMENT TO GIVE YOUR BODY A BREAK FROM THE HEAT. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH TEMPERATURE AND HUMIDITY LEVELS ARE EXPECTED TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER FOR THREE OR MORE CONSECUTIVE DAYS. IN ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM PROVIDING LITTLE CHANCE FOR RELIEF. $$ CVKING
000 WWUS73 KLSX 150931 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 431 AM CDT WED AUG 15 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-152200- /O.CON.KLSX.EH.W.0002.000000T0000Z-070816T0000Z/ 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES... UNION...ST LOUIS...FARMINGTON 431 AM CDT WED AUG 15 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. DANGEROUSLY HOT WEATHER REMAINS ENTRENCHED ACROSS THE REGION AND TODAY WILL BE ONE OF THE HOTTEST DAYS OF THIS PROLONGED HEAT WAVE. RECORD OR NEAR RECORD HIGH TEMPERATURES ARE EXPECTED ONCE AGAIN TODAY IN MANY LOCATIONS...AND MOST OF THE REGION WILL SEE HIGH TEMPERATURES EASILY TOP 100 DEGREES. CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI WILL EXPERIENCE THE HOTTEST TEMPERATURES ACROSS THE AREA...WITH HIGHS FROM 103 TO 107 DEGREES. PEAK HEAT INDEX VALUES OF 105 TO 110 DEGREES ARE EXPECTED DURING THE AFTERNOON AND EARLY EVENING HOURS THROUGHOUT THE ENTIRE AREA. A COLD FRONT IS EXPECTED TO PUSH SOUTH INTO THE REGION ON THURSDAY...ULTIMATELY BRINGING AN END TO THE EXCESSIVE HEAT BY FRIDAY. DEPENDING ON HOW FAST THE COLD FRONT MOVES AND THE AMOUNT OF PRECIPITATION AND CLOUD COVER THAT IS ASSOCIATED WITH IT...THE EXCESSIVE HEAT WARNING MAY NEED TO BE EXTENDED INTO THURSDAY FOR PORTIONS OF THE FORECAST AREA. THE IMPACT OF THIS PROLONGED HEAT WILL MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES OR APARTMENTS. PEOPLE IN THE WARNING AREA ARE ADVISED TO AVOID POORLY VENTILATED AREAS AND PROLONGED WORK IN THE SUN. TAKE PLENTY OF BREAKS IN A COOL AREA TO GIVE YOUR BODY A CHANCE TO COOL DOWN. USE AIR CONDITIONING IN YOUR HOUSE OR APARTMENT IF IT IS WORKING CORRECTLY. IF YOU DO NOT HAVE AIR CONDITIONING...KEEP YOUR HOUSE OR APARTMENT WELL VENTILATED WITH FANS. USE FANS TO BLOW HOT AIR OUT OF ROOMS DURING THE DAY AND THEN BRING IN COOLER OUTSIDE AT NIGHT. TRY TO SPEND SOME TIME IN AN AIR CONDITIONED ENVIRONMENT TO GIVE YOUR BODY A BREAK FROM THE HEAT. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH TEMPERATURE AND HUMIDITY LEVELS ARE EXPECTED TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER FOR THREE OR MORE CONSECUTIVE DAYS. IN ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM PROVIDING LITTLE CHANCE FOR RELIEF. $$ GLASS
000 WWUS73 KLSX 152044 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 344 PM CDT WED AUG 15 2007 ILZ064-065-069-070-074-079-098>102-MOZ041-042-047>052-059>065- 072>075-084-085-099-160845- /O.EXT.KLSX.EH.W.0002.000000T0000Z-070817T0000Z/ BOND IL-FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-BOONE- AUDRAIN-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE- WARREN-ST. CHARLES-FRANKLIN-ST. LOUIS-ST. LOUIS CITY-JEFFERSON- CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON- REYNOLDS- INCLUDING THE CITIES OF...VANDALIA...SALEM...CHESTER... EDWARDSVILLE...BELLEVILLE...COLUMBIA...MEXICO...JEFFERSON CITY... ST CHARLES...UNION...ST LOUIS...FARMINGTON 344 PM CDT WED AUG 15 2007 ...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 7 PM CDT THURSDAY... THE EXCESSIVE HEAT WARNING IS NOW IN EFFECT UNTIL 7 PM CDT THURSDAY. ALTHOUGH A COLD FRONT IS EXPECTED TO ENTER THE REGION ON THURSDAY...IT NOW APPEARS THAT THE MAIN IMPACT OF THIS FRONT WILL BE OVER NORTHERN MISSOURI AND CENTRAL ILLINOIS. IN CENTRAL AND SOUTHERN MISSOURI...AND SOUTHERN ILLINOIS...THE SLOW MOVEMENT OF THE FRONT WILL MEAN ANOTHER DAY OF HIGH HEAT AND HUMIDITY LEVELS. AFTERNOON HIGHS WILL TOP OUT AROUND 100 DEGREES...WITH AFTERNOON HEAT INDICES OF AROUND 105. ALTHOUGH THURSDAYS TEMPERATURES MAY BE A FEW DEGREES COOLER THAN THOSE ON WEDNESDAY...HUMIDITY LEVELS ARE EXPECTED TO BE HIGHER. THIS MEANS THAT WEATHER CONDITIONS ON THURSDAY MAY BE EVEN MORE OPPRESSIVE THAN THOSE OF EARLIER IN THE WEEK. THIS CONTINUES TO BE A DANGEROUS SITUATION...AND UNFORTUNATELY 7 HEAT RELATED DEATHS HAVE BEEN REPORTED IN THE ST. LOUIS METRO AREA FROM THIS HEAT WAVE. THE HEALTH RISK IS ESPECIALLY HIGH FOR THOSE LIVING WITHOUT AIR CONDITIONING. AND...THE DANGER IS COMPOUNDED IF THOSE WITHOUT AIR CONDITIONING ARE CHRONICALLY ILL...ELDERLY...OR VERY YOUNG. IF YOU HAVE FRIENDS...RELATIVES...OR NEIGHBORS WITHOUT AIR CONDITIONING...CHECK ON THEM FREQUENTLY THIS AFTERNOON AND THIS EVENING. THEIR HEALTH AND WELL-BEING MAY DEPEND UPON YOUR VISIT. MAKE SURE TO USE AIR CONDITIONING IF YOU HAVE IT...AND DO NOT LET THE EXTRA EXPENSE OF AIR CONDITIONING DETER YOU FROM USING IT. MANY LOCAL AGENCIES AND UTILITIES CAN PROVIDE FINANCIAL ASSISTANCE IF COST IS A CONCERN. IF YOU DONT HAVE AIR CONDITIONING...TRY TO GO SOMEWHERE SO YOU CAN SPEND TIME IN A COOLER ENVIRONMENT...SUCH AS A HOME OF A FRIEND OR NEIGHBOR...OR A LOCAL MALL. IN ADDITION...MANY TOWNS AND CITIES HAVE OPENED COOLING CENTERS TO PROVIDE RELIEF FROM THE HEAT. PARENTS SHOULD...NEVER...LEAVE THEIR CHILDREN UNATTENDED IN A CAR DURING THIS TIME OF YEAR. TEMPERATURES INSIDE A VEHICLE CAN EASILY REACH 150 DEGREES WITHIN SEVERAL MINUTES...WHICH CAN HAVE DEADLY CONSEQUENCES FOR A BABY OR YOUNG CHILD. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. $$ ILZ058>060-095>097-MOZ018-019-026-027-034>036-160000- /O.CON.KLSX.EH.W.0002.000000T0000Z-070816T0000Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-ADAMS IL-BROWN IL-PIKE IL- KNOX-LEWIS-SHELBY-MARION-MONROE-RALLS-PIKE- INCLUDING THE CITIES OF...LITCHFIELD...QUINCY...HANNIBAL... BOWLING GREEN 344 PM CDT WED AUG 15 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A WEAK COLD FRONT WILL DRIFT INTO THE AREA LATER TONIGHT AND ON THURSDAY...BRINGING A BIT OF RELIEF FROM THE HOT AND HUMID CONDITIONS THAT HAVE BLANKETED THE AREA THIS WEEK. HOWEVER...THE HIGH LEVELS OF HEAT AND HUMIDITY THAT OCCURRED THIS AFTERNOON WILL LINGER ACROSS THE REGION EARLY THIS EVENING. THEREFORE...IT IS IMPORTANT THAT YOU CONTINUE TO CHECK ON FRIENDS...RELATIVES...OR NEIGHBORS WITHOUT AIR CONDITIONING. THIS CHECK IS ESPECIALLY NECESSARY IF THOSE WITHOUT AIR CONDITIONING ARE IN POOR HEALTH...ELDERLY...OR VERY YOUNG. MAKE SURE TO USE AIR CONDITIONING IF YOU HAVE IT...AND DO NOT LET THE EXTRA EXPENSE OF AIR CONDITIONING DETER YOU FROM USING IT. MANY LOCAL AGENCIES AND UTILITIES CAN PROVIDE FINANCIAL ASSISTANCE IF COST IS A CONCERN. IF YOU DONT HAVE AIR CONDITIONING...TRY TO GO SOMEWHERE SO YOU CAN SPEND TIME IN A COOLER ENVIRONMENT...SUCH AS A HOME OF A FRIEND OR NEIGHBOR...OR A LOCAL MALL. IN ADDITION...MANY TOWNS AND CITIES HAVE OPENED COOLING CENTERS TO PROVIDE RELIEF FROM THE HEAT. PARENTS SHOULD...NEVER...LEAVE THEIR CHILDREN UNATTENDED IN A CAR DURING THIS TIME OF YEAR. TEMPERATURES INSIDE A VEHICLE CAN EASILY REACH 150 DEGREES WITHIN SEVERAL MINUTES...WHICH CAN HAVE DEADLY CONSEQUENCES FOR A BABY OR YOUNG CHILD. $$ TRUETT
000 WWUS73 KLSX 160929 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 429 AM CDT THU AUG 16 2007 ILZ064-065-069-070-074-079-098>102-MOZ041-042-047>052-059>065- 072>075-084-085-099-162200- /O.CON.KLSX.EH.W.0002.000000T0000Z-070817T0000Z/ BOND IL-FAYETTE IL-CLINTON IL-MARION IL-WASHINGTON IL-RANDOLPH IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-BOONE- AUDRAIN-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE- WARREN-ST. CHARLES-FRANKLIN-ST. LOUIS-ST. LOUIS CITY-JEFFERSON- CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON- REYNOLDS- INCLUDING THE CITIES OF...VANDALIA...SALEM...CHESTER... EDWARDSVILLE...BELLEVILLE...COLUMBIA...MEXICO...JEFFERSON CITY... ST CHARLES...UNION...ST LOUIS...FARMINGTON 429 AM CDT THU AUG 16 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A COLD FRONT HAS PUSHED INTO NORTHERN MISSOURI AND CENTRAL ILLINOIS...AND THIS FRONT WILL GRADUALLY PUSH SOUTH INTO SOUTHERN MISSOURI AND SOUTHERN ILLINOIS BY THIS EVENING. HOWEVER ANOTHER DAY OF DANGEROUSLY HOT TEMPERATURES IS EXPECTED TODAY FOR THOSE LOCATIONS AHEAD OF THE FRONT WHICH INCLUDE CENTRAL AND SOUTHERN MISSOURI...AND SOUTHERN ILLINOIS. HIGH TEMPERATURES WILL TOP OUT AROUND 100 DEGREES...WITH PEAK AFTERNOON HEAT INDICES OF AROUND 105. THIS PROLONGED HEAT WAVE CONTINUES TO MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT. UNFORTUNATELY EIGHT HEAT RELATED DEATHS HAVE BEEN REPORTED IN THE ST LOUIS METRO AREA. THE HEALTH RISK IS ESPECIALLY HIGH FOR THOSE LIVING WITHOUT AIR CONDITIONING. AND...THE DANGER IS COMPOUNDED IF THOSE WITHOUT AIR CONDITIONING ARE CHRONICALLY ILL...ELDERLY...OR VERY YOUNG. IF YOU HAVE FRIENDS...RELATIVES...OR NEIGHBORS WITHOUT AIR CONDITIONING...CHECK ON THEM FREQUENTLY THIS AFTERNOON AND THIS EVENING. THEIR HEALTH AND WELL-BEING MAY DEPEND UPON YOUR VISIT. MAKE SURE TO USE AIR CONDITIONING IF YOU HAVE IT...AND DO NOT LET THE EXTRA EXPENSE OF AIR CONDITIONING DETER YOU FROM USING IT. MANY LOCAL AGENCIES AND UTILITIES CAN PROVIDE FINANCIAL ASSISTANCE IF COST IS A CONCERN. IF YOU DONT HAVE AIR CONDITIONING...TRY TO GO SOMEWHERE SO YOU CAN SPEND TIME IN A COOLER ENVIRONMENT...SUCH AS A HOME OF A FRIEND OR NEIGHBOR...OR A LOCAL MALL. IN ADDITION...MANY TOWNS AND CITIES HAVE OPENED COOLING CENTERS TO PROVIDE RELIEF FROM THE HEAT. PARENTS SHOULD...NEVER...LEAVE THEIR CHILDREN UNATTENDED IN A CAR DURING THIS TIME OF YEAR. TEMPERATURES INSIDE A VEHICLE CAN EASILY REACH 150 DEGREES WITHIN SEVERAL MINUTES...WHICH CAN HAVE DEADLY CONSEQUENCES FOR A BABY OR YOUNG CHILD. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. $$ GLASS
000 WWUS73 KLSX 161842 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 142 PM CDT THU AUG 16 2007 ILZ064-065-069-070-098-099-161945- /O.CAN.KLSX.EH.W.0002.000000T0000Z-070817T0000Z/ BOND IL-FAYETTE IL-CLINTON IL-MARION IL-CALHOUN IL-JERSEY IL- INCLUDING THE CITIES OF...VANDALIA...SALEM 142 PM CDT THU AUG 16 2007 ...EXCESSIVE HEAT WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE EXCESSIVE HEAT WARNING FOR PARTS OF SOUTH CENTRAL ILLINOIS. RAIN COOLED OUTFLOW FROM A COMPLEX OF THUNDERSTORMS HAS MOVED INTO SOUTH CENTRAL ILLINOIS. HIGH TEMPERATURES IN THESE AREAS ARE ONLY EXPECTED TO CLIMB BACK INTO THE LOWER 90S. HEAT INDICES ARE EXPECT TO REMAIN BELOW 100 DEGREES...SO THE EXCESSIVE HEAT WARNING HAS BEEN CANCELLED. $$ ILZ074-079-100>102-MOZ041-042-047>052-059>065-072>075-084-085-099- 170000- /O.CON.KLSX.EH.W.0002.000000T0000Z-070817T0000Z/ WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-BOONE- AUDRAIN-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE- WARREN-ST. CHARLES-FRANKLIN-ST. LOUIS-ST. LOUIS CITY-JEFFERSON- CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON- REYNOLDS- INCLUDING THE CITIES OF...CHESTER...EDWARDSVILLE...BELLEVILLE... COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES...UNION... ST LOUIS...FARMINGTON 142 PM CDT THU AUG 16 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A COLD FRONT HAS PUSHED INTO NORTHERN MISSOURI AND CENTRAL ILLINOIS...AND THIS FRONT WILL GRADUALLY PUSH SOUTH INTO SOUTHERN MISSOURI AND SOUTHERN ILLINOIS BY THIS EVENING. HOWEVER DANGEROUSLY HOT TEMPERATURES AREA EXPECTED THIS AFTERNOON FOR THOSE LOCATIONS AHEAD OF THE FRONT OVER PARTS OVER CENTRAL AND EASTERN MISSOURI AS WELL AS SOUTHWEST ILLINOIS. HIGH TEMPERATURES WILL TOP OUT AROUND 100 DEGREES...WITH PEAK AFTERNOON HEAT INDICES OF AROUND 105. THIS PROLONGED HEAT WAVE CONTINUES TO MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT. THE HEALTH RISK IS ESPECIALLY HIGH FOR THOSE LIVING WITHOUT AIR CONDITIONING. THE DANGER IS COMPOUNDED IF THOSE WITHOUT AIR CONDITIONING ARE CHRONICALLY ILL...ELDERLY...OR VERY YOUNG. FOR PEOPLE IN THE ST. LOUIS METROPOLITAN AREA NEEDING INFORMATION ON COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE EXCESSIVE HEAT...YOU CAN CALL OPERATION WEATHER SURVIVAL AT THE UNITED WAY OF GREATER ST. LOUIS. THE NUMBER IS 800-427-4626. $$ BRITT
000 WWUS73 KLSX 162019 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 319 PM CDT THU AUG 16 2007 ILZ074-079-100>102-MOZ042-052-061-063>065-075-162130- /O.CAN.KLSX.EH.W.0002.000000T0000Z-070817T0000Z/ WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL- AUDRAIN-LINCOLN-ST. CHARLES-ST. LOUIS-ST. LOUIS CITY-JEFFERSON- STE. GENEVIEVE- INCLUDING THE CITIES OF...CHESTER...EDWARDSVILLE...BELLEVILLE... MEXICO...ST CHARLES...ST LOUIS 319 PM CDT THU AUG 16 2007 ...EXCESSIVE HEAT WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE EXCESSIVE HEAT WARNING. AN OUTFLOW BOUNDARY HAS PUSHED THROUGH MUCH OF EASTERN MISSOURI AND SOUTHWEST ILLINOIS...CAUSING TEMPERATURES TO FALL INTO THE LOWER 90S AND HEAT INDICES TO REMAIN WELL BELOW HEAT WARNING CRITERIA. $$ MOZ041-047>051-059-060-062-072>074-084-085-099-170000- /O.CON.KLSX.EH.W.0002.000000T0000Z-070817T0000Z/ BOONE-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-GASCONADE-WARREN- FRANKLIN-CRAWFORD-WASHINGTON-ST. FRANCOIS-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY...UNION... FARMINGTON 319 PM CDT THU AUG 16 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A COLD FRONT WILL CONTINUE TO PUSH SOUTH ACROSS THE REGION THIS EVENING ENDING THIS PROLONGED PERIOD OF HEAT. HEAT INDICES WILL CONTINUE TO HOVER AROUND 105 DEGREES EARLY THIS EVENING BEFORE DROPPING BELOW HEAT WARNING CRITERIA. THIS PROLONGED HEAT WAVE WILL CONTINUE TO MAKE HEAT-RELATED ILLNESSES A VERY REAL AND DANGEROUS THREAT. THE HEALTH RISK IS ESPECIALLY HIGH FOR THOSE LIVING WITHOUT AIR CONDITIONING. THE DANGER IS COMPOUNDED IF THOSE WITHOUT AIR CONDITIONING ARE CHRONICALLY ILL...ELDERLY...OR VERY YOUNG. $$ CVKING
000 WWUS73 KLSX 162309 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 609 PM CDT THU AUG 16 2007 ...THE EXCESSIVE HEAT WARNING HAS BEEN CANCELLED... .TEMPERATURES HAVE COOLED DOWN AND THE EXCESSIVE HEAT WARNING HAS BEEN CANCELLED. MOZ041-047>051-059-060-062-072>074-084-085-099-170015- /O.CAN.KLSX.EH.W.0002.000000T0000Z-070817T0000Z/ BOONE-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-GASCONADE-WARREN- FRANKLIN-CRAWFORD-WASHINGTON-ST. FRANCOIS-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY...UNION... FARMINGTON 609 PM CDT THU AUG 16 2007 ...EXCESSIVE HEAT WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE EXCESSIVE HEAT WARNING. SCATTERED THUNDERSTORMS AND CLOUD COVER HAVE LOWERED TEMPERATURES BACK INTO THE 80S ACROSS THE AREA. TEMPERATURES ARE NOT EXPECTED TO BE AS HOT AGAIN ON FRIDAY. $$ SCHROEDER
What forecasters said that day
The local office's own words before this excessive heat warning 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 excessive heat warning went out at Aug 11, 12:13 PM CDT, 2 hours 22 minutes earlier.
Area forecast discussion, Aug 11, 12:13 PM CDT, 2 hours 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
1213 PM CDT SAT AUG 11 2007
.DISCUSSION...
THE 00Z SHORT-TERM MODELS (TIL MONDAY NIGHT)...REMAIN IN GOOD
AGREEMENT ON H500 MASS FIELDS...WITH HI CENTERED OVER THE S CNTRL
CONUS PROGGED TO MAKE ITS WAY NWWD TO THE CO/KS BORDER BY LATE
MONDAY AND STRENGTHEN AND EXPAND TO GIVE IT CONSIDERABLE INFLUENCE
OVER MUCH OF THE CONUS. THIS WILL MAINTAIN HEAT DOME OVER THE MID
MS VALLEY FOR THE FORESEEABLE FUTURE BUT WITH A SILVER LINING.
BEING ON THE ERN EDGE OF THIS HEAT DOME WILL RESULT IN NWLY MID
LEVEL FLOW...AND THIS IS FAVORABLE TO PERIODIC INTRUSIONS OF
BACKDOOR CDFNTS AND PCPN. THE ONLY THING IS THAT THE BACKDOOR
CDFNTS WILL PROVIDE ONLY VERY MINOR RELIEF FROM THE HEAT AND THE
PCPN INTRUSIONS...OUTSIDE OF THAT NEAR FRONTS...ARE VERY DIFFICULT
TO FORECAST IN THIS PATTERN. THE MODELS DO HINT AT SOME PCPN
POSSIBLE DURING THE SUNDAY/MONDAY TIMEFRAME HOWEVER. AT THE
SURFACE...RIDGE OVER THE FA TODAY WILL SLIDE SEWD TONIGHT AND
FADE ON SUNDAY AS A BACKDOOR CDFNT ENTERS THE NRN FA LATE SUNDAY
AFTERNOON. THE BACKDOOR CDFNT WILL THEN APPROACH THE I-70 CORRIDOR
LATE SUNDAY NIGHT AND THEN STALL NEAR THE SWRN FA ON MONDAY
AFTERNOON BEFORE IT DISSIPATES.
FOR TODAY...H850 TEMPS EXPECTED TO BE FROM 22-23C...OR ABOUT 1-2C
HIGHER THAN PERSISTENCE...AND THIS MIXES DOWN TO SFC TEMPS BEING
ABOUT 3-4F HIGHER. THIS PLACES FORECAST AOA THE WARMEST MAV MOS
TEMPS...AS CAN/T JUSTIFY GOING COOLER TODAY THAN YESTERDAY WITH A
NEAR IDENTICAL SCENARIO AT THE SURFACE. DEWPOINTS WILL MIX OUT
AGAIN THIS AFTERNOON TO THE LOWER 60S AND THIS RESULT IN HEAT
INDICES BEING NEARLY IDENTICAL TO THE AMBIENT TEMP...AND GENERALLY
BELOW 100F MOST LOCATIONS EXCEPT IN CNTRL MO AND STL CITY WHERE
AROUND 100F IS EXPECTED. OTHERWISE...LOOK FOR DRY WEATHER WITH
CLEAR SKIES.
FOR SUNDAY...H850 TEMPS WILL CONTINUE TO RISE TO 23-24C...AND
COMBO OF WINDS BEING OUT OF THE WEST FOR MUCH OF THE DAY AND DRY
AIR STILL IN PLACE...THIS SHOULD ALLOW TEMPS TO SURGE OVER 100F
NEARLY OVER THE ENTIRE FA...AND IN FAVORED SPOTS SUCH AS CNTRL MO
AND THE STL METRO AREA...EXPECTING READINGS SEVERAL DEGS OVER
100F. HEAT INDICES AGAIN NOT EXPECTED TO BE MUCH HIGHER THAN THE
AMBIENT TEMP DUE TO MIXING OUT AND DEWPOINTS REMAINING IN THE 60S.
THE EXCEPTION WILL BE IN THE FAR NRN FA...WHERE BACKDOOR CDFNT
MOVING THRU WILL ALLOW DEWPOINTS TO POOL INTO THE LOWER 70S BUT
ALSO EXPECTING SLIGHTLY LOWER TEMPS THERE AS WELL. EXAMINATION OF
BUFKIT SOUNDINGS SHOWS NO CIN WITH DECENT MLCAPES OF 2500 J/KG BY
LATE AFTERNOON IN THE NRN FA...AND WITH PRESENCE OF CDFNT...HAVE
ADDED IN SLIGHT CHANCE POPS TO THAT AREA. POTENTIAL FOR PULSE
SEVERE STORMS POSSIBLE IN GENERALLY WEAK SHEAR ENVIRONMENT. PCPN
CHANCES WILL MAINTAIN WELL INTO THE EVENING HOURS AS FRONT PUSHES
SWD TOWARDS THE I-70 CORRIDOR.
FOR MONDAY...H850 TEMPS TAKE A SMALL HIT THIS PERIOD...DOWN TO
SATURDAY/S LEVELS OF 22-23C AS BACKDOOR CDFNT/S IMPACT FELT. BUT
DEWPOINTS WILL BE A BIT HIGHER AND RESULT IN HEAT INDICES ABOUT
THE SAME AS SUNDAY. MAY SEE POTENTIAL FOR ISOLD TSRA OVER THE SWRN
FA...BUT SINCE FRONT IS WASHING OUT AT THIS TIME...HAVE KEPT DRY
FOR NOW.
FOR THE REST OF THE WORK WEEK...HEAT EXPECTED TO CONTINUE NEAR
UNABATED IF IT WASN/T FOR THE POSSIBILITY OF ANOTHER INTRUSION OF
A BACKDOOR CDFNT DURING MID WEEK. ALTHOUGH THE RESULTS OF THIS
SHOULD BE ABOUT THE SAME AS THE MONDAY CDFNT...MINOR...AS TEMPS
TAKE A BRIEF DIP BELOW 100F DURING THE AFTERNOON. UNFORTUNATELY...
SIGNIFICANT CDFNT THAT WAS EXPECTED TO PUSH THRU LATE WEEK HAS
BEEN BACKED OFF BY THE MODELS...AND IS NOW PROGGED TO STALL
SOMEWHERE OVER THE FA AND PROVIDE ONLY MINIMAL RELIEF A LA A
BACKDOOR CDFNT. FORTUNATELY...SEPTEMBER IS JUST 21 DAYS AWAY.
TES
&&
.AVIATION...
FOR THE 18Z TAFS...
HIGH PRESSURE AT THE SURFACE AND ALOFT IS DOMINATING THE REGIONAL
WEATHER PATTERN AND RESULTING IN TRANQUIL VFR CONDITIONS. FEW
CLOUDS ARE EXPECTED WITH ONLY A LITTLE CIRRUS SPILLING SEWD FROM
THE UPPER MS VLY CONVECTIVE SYSTEM AND POSSIBLY A PUF OR TWO OF
AFTERNOON CU. SFC WINDS TO REMAIN SOUTHERLY AS RIDGE EXTENDING SWWD
FROM THE GRTLKS MOVES SLOWLY EWD...THEN SWITCH TO THE SW BY MID
MORNING ON SUNDAY.
BYRD
&&
.FIRE WEATHER...
FIRE DANGER IS RATHER HIGH AS MINIMUM RELATIVE HUMIDITIES ARE
EXPECTED TO DROP INTO THE MID 20S PERCENT. COUPLED WITH EXISTING
MINOR DROUGHT OVER THE AREA AND 10HR FUEL MOISTURE OF 5-6PCT...
ONLY THING LACKING FROM MAKING THINGS REALLY MESSY IS THE WIND...AS
WE ARE STILL EXPECTING GENERALLY LIGHT WIND SPEEDS OF 10 MPH OR
LESS.
&&
.CLIMATE...
RECORD HIGHS FOR THE NEXT SEVERAL DAYS.
ST LOUIS (KSTL) COLUMBIA (KCOU) QUINCY (KUIN)
TODAY 104/1881 105/1894 105/1934
SUNDAY 106/1881 105/1999 105/1036
MONDAY 103/1936 104/1936 105/1936
TUESDAY 102/1936 105/1936 104/1936
WEDNESDAY 104/1936 108/1936 102/1936
&&
.LSX WATCHES/WARNINGS/ADVISORIES...
MO...EXCESSIVE HEAT WATCH FROM SUNDAY AFTERNOON THROUGH WEDNESDAY
EVENING FOR AUDRAIN-BOONE-CALLAWAY-COLE-CRAWFORD-FRANKLIN-
GASCONADE-IRON-JEFFERSON-KNOX-LEWIS-LINCOLN-MADISON-MARION-
MONITEAU-MONROE-MONTGOMERY-OSAGE-PIKE-RALLS-REYNOLDS-SHELBY-
ST. CHARLES-ST. FRANCOIS-ST. LOUIS-ST. LOUIS CITY-STE.
GENEVIEVE-WARREN-WASHINGTON.
IL...EXCESSIVE HEAT WATCH FROM SUNDAY AFTERNOON THROUGH WEDNESDAY
EVENING FOR ADAMS IL-BOND IL-BROWN IL-CALHOUN IL-CLINTON IL-
FAYETTE IL-GREENE IL-JERSEY IL-MACOUPIN IL-MADISON IL-
MARION IL-MONROE IL-MONTGOMERY IL-PIKE IL-RANDOLPH IL-ST.
CLAIR IL-WASHINGTON IL.
&&
WFO LSXHazardous weather outlook, Aug 11, 4:55 AM CDT, 9 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 455 AM CDT SAT AUG 11 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-121200- 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-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- 455 AM CDT SAT AUG 11 2007 ...EXCESSIVE HEAT WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH WEDNESDAY EVENING... 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 HEAT AND HUMIDITY WILL COMBINE TO CREATE HEAT INDEX READINGS AROUND 100 DEGREES THIS AFTERNOON OVER PARTS OF CENTRAL MISSOURI AND IN THE ST LOUIS METROPOLITAN AREA. AFTERNOON TEMPERATURES FROM 95 TO 100...COMBINED WITH LOW RELATIVE HUMIDITIES AND DRY VEGETATION...WILL LEAD TO AN INCREASED FIRE DANGER TODAY...PARTICULARLY FOR AREAS ALONG AND SOUTH OF INTERSTATE 70. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY DANGEROUSLY HOT AND HUMID WEATHER WILL RETURN ON SUNDAY AFTERNOON AND CONTINUE THROUGH EARLY WEDNESDAY EVENING...RESULTING IN HEAT INDEX LEVELS PEAKING BETWEEN 105 AND 110 DEGREES EACH AFTERNOON. LITTLE RELIEF FROM THE HEAT IS EXPECTED AT NIGHT. AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH WEDNESDAY EVENING. FOR FURTHER INFORMATION...PLEASE REFER TO THE WATCH PRODUCT. AFTERNOON TEMPERATURES AROUND 100...COMBINED WITH LOW RELATIVE HUMIDITIES AND DRY VEGETATION...WILL LEAD TO AN INCREASED FIRE DANGER ON SUNDAY...PARTICULARLY FOR AREAS ALONG AND SOUTH OF INTERSTATE 70. THERE IS A SLIGHT CHANCE FOR THUNDERSTORMS SUNDAY AFTERNOON IN NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS. WHILE ORGANIZED SEVERE WEATHER IS NOT EXPECTED...ANY STORMS THAT DO FORM MAY BRIEFLY EXCEED SEVERE LIMITS...WITH DAMAGING WIND GUSTS BEING THE PRIMARY SEVERE THREAT. THE CHANCE FOR THUNDERSTORMS WILL RETURN AGAIN ON WEDNESDAY FOR NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS AS A COLD FRONT MAKES ITS WAY INTO THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. && FOR A GRAPHICAL VERSION OF THIS INFORMATION SEE OUR WEBPAGE AT (LOWERCASE)... HTTP://WWW.WEATHER.GOV/LSX/?N=HWO1 TES
Nearby
Excessive Heat Warnings in Missouri, 2007Excessive Heat Warnings in Illinois, 2007Every excessive heat warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.