Frost Advisory 5, NWS St. Louis, MO

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

000 
WWUS73 KLSX 172031
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
331 PM CDT SAT OCT 17 2009

MOZ041-047>051-059-060-062-065-072>075-084-085-099-180845-
/O.UPG.KLSX.FR.Y.0005.091018T0600Z-091018T1400Z/
/O.NEW.KLSX.FZ.W.0005.091018T0600Z-091018T1400Z/
BOONE-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-GASCONADE-WARREN-
FRANKLIN-JEFFERSON-CRAWFORD-WASHINGTON-ST. FRANCOIS-
STE. GENEVIEVE-IRON-MADISON-REYNOLDS-
INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY...UNION...
FARMINGTON
331 PM CDT SAT OCT 17 2009

...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY. THE
FROST ADVISORY IS NO LONGER IN EFFECT. 

THE COLDEST AIR MASS OF THE SEASON SO FAR WILL SETTLE OVER THE
REGION TONIGHT. HIGH PRESSURE WILL MOVE ACROSS MISSOURI AND
ILLINOIS BRINGING CLEAR SKIES AND LIGHT WINDS...ALLOWING FOR
WIDESPREAD SUB-FREEZING LOW TEMPERATURES TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL
INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER
VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-042-052-061-063-064-180845-
/O.CON.KLSX.FR.Y.0005.091018T0600Z-091018T1400Z/
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-AUDRAIN-LINCOLN-ST. CHARLES-
ST. LOUIS-ST. LOUIS CITY-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL...
BOWLING GREEN...MEXICO...ST CHARLES...ST LOUIS
331 PM CDT SAT OCT 17 2009

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT
SUNDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY. 

THE COLDEST AIR MASS OF THE SEASON SO FAR WILL SETTLE OVER THE
REGION TONIGHT. HIGH PRESSURE WILL MOVE ACROSS MISSOURI AND
ILLINOIS BRINGING CLEAR SKIES AND LIGHT WINDS...ALLOWING FOR LOW
TEMPERATURES TO FALL TO NEAR FREEZING TONIGHT. THESE WEATHER
CONDITIONS WILL LIKELY RESULT IN WIDESPREAD FROST ACROSS THE
REGION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED
PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE
AWAY FROM THE COLD.

&&

$$

BRITT

000 
WWUS73 KLSX 180210
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
910 PM CDT SAT OCT 17 2009

MOZ018-019-026-027-034>036-042-052-061-063-181400-
/O.UPG.KLSX.FR.Y.0005.091018T0600Z-091018T1400Z/
/O.EXB.KLSX.FZ.W.0005.091018T0300Z-091018T1400Z/
KNOX-LEWIS-SHELBY-MARION-MONROE-RALLS-PIKE-AUDRAIN-LINCOLN-
ST. CHARLES-ST. LOUIS-
INCLUDING THE CITIES OF...HANNIBAL...BOWLING GREEN...MEXICO...
ST CHARLES
910 PM CDT SAT OCT 17 2009

...FREEZE WARNING IN EFFECT UNTIL 9 AM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT UNTIL 9 AM CDT SUNDAY. THE FROST
ADVISORY IS NO LONGER IN EFFECT. 

THE COLDEST AIR MASS OF THE SEASON SO FAR WILL SETTLE OVER THE
REGION TONIGHT. HIGH PRESSURE WILL MOVE ACROSS MISSOURI AND
ILLINOIS BRINGING CLEAR SKIES AND LIGHT WINDS...ALLOWING FOR
WIDESPREAD SUB-FREEZING LOW TEMPERATURES TONIGHT. FOR THE COUNTIES
IN THE ST. LOUIS METRO AREA...WE ARE ONLY EXPECTING PARTS TO
EXPERIENCE SUB-FREEZING TEMPERATURES WHILE AREAS CLOSE TO ST.
LOUIS CITY WILL LIKELY ONLY APPROACH THE FREEZING MARK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL
INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER
VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

MOZ041-047>051-059-060-062-065-072>075-084-085-099-181400-
/O.EXT.KLSX.FZ.W.0005.091018T0300Z-091018T1400Z/
BOONE-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-GASCONADE-WARREN-
FRANKLIN-JEFFERSON-CRAWFORD-WASHINGTON-ST. FRANCOIS-
STE. GENEVIEVE-IRON-MADISON-REYNOLDS-
INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY...UNION...
FARMINGTON
910 PM CDT SAT OCT 17 2009

...FREEZE WARNING NOW IN EFFECT UNTIL 9 AM CDT SUNDAY...

THE FREEZE WARNING IS NOW IN EFFECT UNTIL 9 AM CDT SUNDAY. 

THE COLDEST AIR MASS OF THE SEASON SO FAR WILL SETTLE OVER THE
REGION TONIGHT. HIGH PRESSURE WILL MOVE ACROSS MISSOURI AND
ILLINOIS BRINGING CLEAR SKIES AND LIGHT WINDS...ALLOWING FOR
WIDESPREAD SUB-FREEZING LOW TEMPERATURES TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL
INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER
VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

ILZ058>060-064-065-069-070-074-079-095>102-MOZ064-181400-
/O.EXT.KLSX.FR.Y.0005.091018T0300Z-091018T1400Z/
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-
ST. LOUIS CITY-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...ST LOUIS
910 PM CDT SAT OCT 17 2009

...FROST ADVISORY NOW IN EFFECT UNTIL 9 AM CDT SUNDAY...

THE FROST ADVISORY IS NOW IN EFFECT UNTIL 9 AM CDT SUNDAY. 

THE COLDEST AIR MASS OF THE SEASON SO FAR WILL SETTLE OVER THE
REGION TONIGHT. HIGH PRESSURE WILL MOVE ACROSS MISSOURI AND
ILLINOIS BRINGING CLEAR SKIES AND LIGHT WINDS...ALLOWING FOR LOW
TEMPERATURES TO FALL TO NEAR FREEZING TONIGHT. THESE WEATHER
CONDITIONS WILL LIKELY RESULT IN WIDESPREAD FROST ACROSS THE
REGION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED
PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE
AWAY FROM THE COLD.

&&

$$

TES

000 
WWUS73 KLSX 180927
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
427 AM CDT SUN OCT 18 2009

MOZ018-019-026-027-034>036-041-042-047>052-059>063-065-072>075-
084-085-099-181400-
/O.CON.KLSX.FZ.W.0005.000000T0000Z-091018T1400Z/
KNOX-LEWIS-SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-
COLE-OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-
ST. CHARLES-FRANKLIN-ST. LOUIS-JEFFERSON-CRAWFORD-WASHINGTON-
ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS-
INCLUDING THE CITIES OF...HANNIBAL...BOWLING GREEN...COLUMBIA...
MEXICO...JEFFERSON CITY...ST CHARLES...UNION...FARMINGTON
427 AM CDT SUN OCT 18 2009

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING. 

THE COLDEST AIR MASS OF THE FALL SEASON HAS DROPPED TEMPERATURES
TO NEAR AND JUST BELOW THE FREEZING MARK OVER MOST OF CENTRAL AND
EASTERN MISSOURI EARLY THIS MORNING. THESE SUB-FREEZING
TEMPERATURES WILL CONTINUE THROUGHOUT THE PREDAWN HOURS...HOWEVER
TEMPERATURES WILL RAPIDLY CLIMB INTO THE MIDDLE AND UPPER 30S 
BETWEEN 7 AM AND 9 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL
INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER
VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE AWAY FROM THE COLD.

&&

$$

ILZ058>060-064-065-069-070-074-079-095>102-MOZ064-181400-
/O.CON.KLSX.FR.Y.0005.000000T0000Z-091018T1400Z/
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-
ST. LOUIS CITY-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...ST LOUIS
427 AM CDT SUN OCT 18 2009

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING. 

THE COLDEST AIR MASS OF THE EARLY FALL SEASON IS PRODUCING
WIDESPREAD FROST OVER WEST CENTRAL AND SOUTHERN ILLINOIS...AND
THE ST LOUIS METRO AREA...EARLY THIS MORNING. TEMPERATURES IN THE
LOWER AND MIDDLE 30S WILL CONTINUE THROUGHOUT THE PREDAWN
HOURS...HOWEVER TEMPERATURES WILL RAPIDLY CLIMB INTO THE MIDDLE
AND UPPER 30S BETWEEN 7 AM AND 9 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED
PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE
AWAY FROM THE COLD.

&&

$$

TRUETT

000 
WWUS73 KLSX 181403
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
903 AM CDT SUN OCT 18 2009


MOZ018-019-026-027-034>036-041-042-047>052-059>063-065-072>075-
084-085-099-181515-
/O.EXP.KLSX.FZ.W.0005.000000T0000Z-091018T1400Z/
KNOX-LEWIS-SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-
COLE-OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-
ST. CHARLES-FRANKLIN-ST. LOUIS-JEFFERSON-CRAWFORD-WASHINGTON-
ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS-
INCLUDING THE CITIES OF...HANNIBAL...BOWLING GREEN...COLUMBIA...
MEXICO...JEFFERSON CITY...ST CHARLES...UNION...FARMINGTON
903 AM CDT SUN OCT 18 2009

...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING...

THE FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING. 

THE FREEZE WARNING HAS BEEN ALLOWED TO EXPIRE AS TEMPERATURES
ACROSS THE REGION HAVE WARMED ABOVE THE FREEZING MARK.

$$

ILZ058>060-064-065-069-070-074-079-095>102-MOZ064-181515-
/O.EXP.KLSX.FR.Y.0005.000000T0000Z-091018T1400Z/
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-
ST. LOUIS CITY-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...ST LOUIS
903 AM CDT SUN OCT 18 2009

...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING...

THE FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING. 

THE FROST ADVISORY HAS BEEN ALLOWED TO EXPIRE AS THE FROST HAS
MELTED AS TEMPERATURES CONTINUED TO WARM THIS MORNING.

$$

GKS

AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE ST LOUIS MO
1106 PM CDT FRI OCT 16 2009

.UPDATE...
/955 PM CDT FRI OCT 16 2009/

THE FINAL SHORTWAVE IN OUR NWLY FLOW SCHEME IS IN THE PROCESS OF
DRIVING THRU THE MID MO VALLEY ATTM AND WILL PUSH W OF THE FA AS
IT FOLLOWS MORE CLOSELY THE BAROCLINIC ZONE WHICH HAS SINCE PUSHED
A BIT FARTHER TO THE S AND W. THIS WILL KEEP PCPN...WHICH WILL
MAINLY BE ALONG AND E OF THE PROJECTED PATH OF THE SHORTWAVE...
EDGING THE WRN SECTIONS OF THE FA LATER TONIGHT THRU PARTS OF
NERN...CNTRL...AND SCNTRL MO. PCPN WILL BE IN THE FORM OF LIGHT
RAIN. NON-MEASURING SPRINKLES WILL BE POSSIBLE FURTHER E.

ELSEWHERE AND OTHERWISE...CLOUDS HAD TAKEN ON SOMEWHAT OF A
DIURNAL NATURE FROM TODAY AND HAVE SINCE DEVELOPED HOLES IN THEM.
AS THESE HOLES HAVE PASSED THRU...TEMPS HAVE FALLEN INTO THE MID-
UPR 30S WITH TEMPS IN CLOUDY AREAS STILL IN THE LWR-MID 40S. MID
CLOUD FROM SHORTWAVE WILL CLOUD UP THE REST OF THE FA AND SHOULD
LIMIT TEMP FALLS. GIVEN THAT AND THE OVERALL SITUATION...FROST
SHOULD NOT BE A PROBLEM TONIGHT.

POTENTIAL FROST/FREEZE ISSUES WILL BE FACED HEAD-ON...HOWEVER...
TOMORROW NIGHT. AMOUNT OF CLOUDS LINGERING INTO THE EVENING THE
BIG QUESTION...ESPECIALLY CONSIDERING THE AMOUNT OF CLOUD UPSTREAM
ATTM...AND WINDOW WILL BE SMALL TO COOL WELL...WITH WEAK WAA
ALREADY EXPECTED TO OCCUR LATE IN AREAS THAT SHOULD CLEAR FIRST.

TES
&&

.DISCUSSION...
/327 PM CDT FRI OCT 16 2009/

ONE LAST ROUND OF LGT RAIN AND DRIZZLE CAN BE EXPECTED TGT INTO SAT
MRNG AS A SHRTWV TROF CURRENTLY OVER THE DAKOTAS DROPS SEWD THRU MO
LT TGT AND SAT MRNG.  WENT SLIGHTLY ABOVE MOS TEMP GUIDANCE FOR MINS
TGT AS MDL GUIDANCE HAS BEEN TOO COOL THE LAST TWO NIGHTS WITH
PERSISTENT LOW LVL CLOUD CVR. MAY BE A LTL COOLER TGT THAN LAST
NGT THOUGH WITH 850 MB TEMPS OF ONLY -3 TO -5 DGRS C FCST ACRS THE
CWA AT 12Z SAT. WILL FINALLY GET CLRG SKIES FM W-NW TO E-SE BGNG
SAT AFTN AND CONTG THRU SAT NGT AS THE MID-UPR LVL TROF MOVES E OF
THE CWA AND AS A STG SFC RDG BLDS SEWD INTO MO. STILL PREFER THE
SLOWER CLRG AND COOLER TEMPS SAT AFTN OF THE NAM MDL OVER THE GFS
MDL. WITH SFC RDG AXIS ACRS THE CWA LT SAT NGT AND EARLY SUN MRNG
THERE SHOULD BE GOOD RADATIONAL COOLING DUE TO A MOSTLY CLR SKY BY
LT SAT NGT AND DIMINISHING SFC WNDS. WILL FCST MINS SAT NGT NR THE
FREEZING MARK AND INCLUDE PATCHY FROST. LATER SHIFTS MAY NEED TO
ISSUE A FREEZE WARNING OR FROST ADVISORY. A WARMING TREND WILL BGN
SUN AFTN DUE TO RISING MID-UPR LVL HGTS...PLENTY OF SOLAR
INSOLATION...AND SFC WNDS BCMG SLY ON THE BACKSIDE OF THE SFC
RDG. THE MDLS ARE FCSTSG THE 850 MB TEMPS TO RISE TO 3-9 DGRS C
ACRS THE CWA BY 00Z MON...WITH THE WARMER TEMPS OVER THE WRN PTN
OF THE CWA. WITH STRENGTHENING SLY SFC WNDS AND SWLY 850 MB WNDS
HIGHS ON MON AFTN SHOULD FINALLY BREAK THE 60 DGR MARK OVER THE
ENTIRE CWA. LOT OF MDL DISCREPENCIES AND INCONSISTENCIES BTWN THE
ECMWF AND GFS REGARDING THE NEXT STORM SYSTEM INFLUENCING THE
CWA...ESPECIALLY CONCERNING THE PROGRESSIVE NATURE OF THE
SYSTEM...WHETHER A PROGRESSIVE MID-UPR LVL TROF OR SLOW MOVG
CLOSED MID-UPR LVL LOW AND ALSO THE POSITION OF THE ASSOCIATED SFC
LOW. IT APRS THAT SHRA WILL MOVE INTO THE NWRN PTN OF THE CWA BY
TUE NGT THEN EVENTUALLY SPREAD THRU THE REST OF THE CWA ON WED AND
WED NGT. THE PCPN THREAT MAY LINGER ACROSS THE SERN HALF OF THE
CWA THRU THU OR THU NGT.

GKS
&&

.AVIATION...
/1105 PM CDT FRI OCT 16 2009/

FOR THE 06Z TAFS...ANOTHER SHORTWAVE ROTATING THROUGH REGION...SO
KEPT MENTION OF LIGHT RAIN AT KUIN AND KCOU FROM 08Z TO 12Z
TIMEFRAME. NOT CONFIDENT IF ACTIVITY WILL MOVE INTO METRO AREA...
KSUS/KSTL DRY FOR NOW. AS FOR CLOUDS...SOME HOLES DEVELOPING IN THE
SC DECK OVER REGION...BUT MID CLOUDS ASSOCIATED WITH SHORTWAVE
BEGINNING TO MOVE IN...SO WILL NOT SEE TRUE CLEARING TIL LATER THIS
AFTERNOON AND EVENING. LIGHT NORTHWEST WINDS TO BECOME NORTHERLY AND
PICKUP LATER THIS MORNING...BEFORE SURFACE RIDGE BUILDS IN. BY THIS
EVENING...WINDS TO BECOME LIGHT AND BACK TO THE WEST AND SOUTHWEST.

BYRD
&&

.CLIMATE...
RECORD LOW MAX TEMPS

          STL           COU
10/16  44 IN 1966    46 IN 1966
10/17  49 IN 1976    48 IN 1976
&&

.LSX WATCHES/WARNINGS/ADVISORIES...
MO...NONE.
IL...NONE.
&&

WFO LSX

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
346 PM CDT FRI OCT 16 2009

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-171215-
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-
346 PM CDT FRI OCT 16 2009

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

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

TEMPERATURES ARE FORECAST TO LOWER TO NEAR THE FREEZING MARK LATE
SATURDAY NIGHT WITH PATCHY FROST EXPECTED ACROSS MUCH OF THE AREA
LATE SATURDAY NIGHT AND EARLY SUNDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT.

&&

FOR A GRAPHICAL VERSION OF THIS INFORMATION SEE OUR
WEBPAGE AT (LOWERCASE)... HTTP://WWW.WEATHER.GOV/LSX/?N=HWO1

GKS