Alert archive / Missouri / Flood Watches in 2009
Flood Watch 2, NWS St. Louis, MO
NWS St. Louis, MO issued this flood watch at Dec 22, 2009, 3:39 PM CST for 17 counties in Illinois; 29 counties in Missouri. It took effect at Dec 23, 2009, 11:33 AM CST. It was in force for 41 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 2009, 3:39 PM CST (21:39 UTC)
- In effect from
- Dec 23, 2009, 11:33 AM CST
- Expired
- Dec 25, 2009, 4:29 AM CST
- In force
- 41 hr
- Issued by
- NWS St. Louis, MO
- Flood severity
- None
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 21:45 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, 9.7 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 968 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS63 KLSX 222139 FFALSX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 339 PM CST TUE DEC 22 2009 ...HEAVY RAINFALL EXPECTED WEDNESDAY INTO THURSDAY.. .A STRONG STORM SYSTEM CURRENTLY OVER THE WEST COAST IS EXPECTED TO MOVE EAST AND PASS THROUGH MISSOURI AND ILLINOIS ON THURSDAY NIGHT. RAIN WILL DEVELOP OVER THE AREA TONIGHT AND CONTINUE INTO THURSDAY AS THE STORM SYSTEM DRAWS COPIOUS AMOUNTS OF GULF MOISTURE IN AHEAD OF IT. SHOWERS AND SCATTERED THUNDERSTORMS ARE EXPECTED TO PRODUCE HEAVY RAIN AT TIMES BY LATE WEDNESDAY AND CONTINUE THROUGH THURSDAY WITH MOST AREAS RECEIVING BETWEEN 2 TO 3 INCHES. MOST OF THE GROUND OVER EAST CENTRAL AND NORTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS IS FROZEN...SO ANY RAINFALL WILL IMMEDIATELY BECOME RUNOFF. THE EXPECTED HEAVY AMOUNTS OVER SOUTHEASTERN MISSOURI WILL BE ENOUGH TO PRODUCE EXCESSIVE RUNOFF THAT WILL FILL THE AREA STREAMS AND RIVERS. ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-042-051-052-059>065-072>075-084-085-099-231030- /O.NEW.KLSX.FA.A.0002.091223T1800Z-091225T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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-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...MEXICO...ST CHARLES...UNION...ST LOUIS... FARMINGTON 339 PM CST TUE DEC 22 2009 ...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...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 AND WASHINGTON IL. IN MISSOURI...AUDRAIN...CRAWFORD...FRANKLIN... GASCONADE...IRON...JEFFERSON...KNOX...LEWIS...LINCOLN... MADISON...MARION...MONROE...MONTGOMERY...PIKE...RALLS... REYNOLDS...SHELBY...ST. CHARLES...ST. FRANCOIS...ST. LOUIS... ST. LOUIS CITY...STE. GENEVIEVE...WARREN AND WASHINGTON. * FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON * FLOODING IS LIKELY BECAUSE OF HEAVY RAINFALL FROM WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS THE NEXT TWO DAYS. MANY AREAS WILL SEE BETWEEN 2 AND 3 INCHES OF RAIN BY LATE THURSDAY WITH LOCALLY HIGHER AMOUNTS. * MANY STREAMS AND SOME RIVERS ACROSS THE AREA MAY EXCEED BANKFULL CAUSING FLOODING IN LOW LYING AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THAT FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA ARE URGED TO CHECK ON PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. STAY INFORMED...AND BE READY FOR ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. && $$ BRITT
8 follow-up statements
000 WGUS63 KLSX 231017 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 417 AM CST WED DEC 23 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-042-051-052-059>065-072>075-084-085-099-232200- /O.CON.KLSX.FA.A.0002.091223T1800Z-091225T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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-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...MEXICO...ST CHARLES...UNION...ST LOUIS... FARMINGTON 417 AM CST WED DEC 23 2009 ...FLOOD WATCH REMAINS IN EFFECT FROM NOON CST TODAY THROUGH THURSDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...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 AND WASHINGTON IL. IN MISSOURI...AUDRAIN...CRAWFORD...FRANKLIN...GASCONADE... IRON...JEFFERSON...KNOX...LEWIS...LINCOLN...MADISON...MARION... MONROE...MONTGOMERY...PIKE...RALLS...REYNOLDS...SHELBY...ST. CHARLES...ST. FRANCOIS...ST. LOUIS...ST. LOUIS CITY...STE. GENEVIEVE...WARREN AND WASHINGTON. * FROM NOON CST TODAY THROUGH THURSDAY AFTERNOON * A STRONG STORM SYSTEM IS EXPECTED TO BRING SHOWERS AND SCATTERED THUNDERSTORMS TO THE REGION TODAY THROUGH THURSDAY. SOME OF THE RAIN COULD BE HEAVY AT TIMES...WITH TOTAL RAINFALL ACCUMULATIONS BETWEEN 2 AND 3 INCHES. THE GROUND REMAINS FROZEN...SO ANY RAINFALL WILL IMMEDIATELY BECOME RUNOFF. * EXCESSIVE RUNOFF COULD LEAD TO FLOODING ALONG CREEKS AND RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THAT FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA ARE URGED TO CHECK ON PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. STAY INFORMED...AND BE READY FOR ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. && $$ CVKING
000 WGUS63 KLSX 231744 FFALSX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 1144 AM CST WED DEC 23 2009 MOZ041-047>050-240545- /O.EXB.KLSX.FA.A.0002.091223T1744Z-091225T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOONE-MONITEAU-COLE-OSAGE-CALLAWAY- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 1144 AM CST WED DEC 23 2009 ...FLOOD WATCH IN EFFECT THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS EXPANDED THE * FLOOD WATCH TO INCLUDE A PORTION OF CENTRAL MISSOURI... INCLUDING THE FOLLOWING COUNTIES...BOONE...CALLAWAY...COLE... MONITEAU AND OSAGE. * THROUGH THURSDAY AFTERNOON * SHOWERS AND SCATTERED THUNDERSTORMS HAVE ALREADY PRODUCED 1 TO 2 INCHES OF RAINFALL OVER PARTS OF CENTRAL MISSOURI THIS MORNING. THE RAIN IS EXPECTED TO CONTINUE INTO THURSDAY AND BE HEAVY AT TIMES...WITH TOTAL RAINFALL BETWEEN 2 AND 4 INCHES. THE RAIN WILL IMMEDIATELY BECOME RUNOFF THAT IS CAPABLE OF PRODUCING FLOODING...PARTICULARLY WHERE THE SOIL IS NOW SATURATED. * EXCESSIVE RUNOFF LIKELY PRODUCE FLOODING ALONG CREEKS AND AND SOME OF THE RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THAT FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA ARE URGED TO CHECK ON PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. STAY INFORMED...AND BE READY FOR ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. && $$ ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-042-051-052-059>065-072>075-084-085-099-240545- /O.EXT.KLSX.FA.A.0002.091223T1733Z-091225T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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-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...MEXICO...ST CHARLES...UNION...ST LOUIS... FARMINGTON 1144 AM CST WED DEC 23 2009 ...FLOOD WATCH NOW IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...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 AND WASHINGTON IL. IN MISSOURI...AUDRAIN...CRAWFORD...FRANKLIN...GASCONADE... IRON...JEFFERSON...KNOX...LEWIS...LINCOLN...MADISON...MARION... MONROE...MONTGOMERY...PIKE...RALLS...REYNOLDS...SHELBY...ST. CHARLES...ST. FRANCOIS...ST. LOUIS...ST. LOUIS CITY...STE. GENEVIEVE...WARREN AND WASHINGTON. * THROUGH THURSDAY AFTERNOON * SHOWERS AND SCATTERED THUNDERSTORMS HAVE ALREADY PRODUCED 1 TO 2 INCHES OF RAINFALL OVER PARTS OF CENTRAL MISSOURI AND SOUTH CENTRAL ILLINOIS. THE RAIN IS EXPECTED TO CONTINUE INTO THURSDAY AND BE HEAVY AT TIMES...WITH TOTAL RAINFALL AMOUNTS BETWEEN 2 AND 4 INCHES. THE RAIN WILL IMMEDIATELY BECOME RUNOFF THAT IS CAPABLE OF PRODUCING FLOODING...PARTICULARLY WHERE THE SOIL IS NOW EITHER SATURATED OR STILL FROZEN. * EXCESSIVE RUNOFF COULD LEAD TO FLOODING ALONG CREEKS AND RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THAT FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA ARE URGED TO CHECK ON PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. STAY INFORMED...AND BE READY FOR ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. && $$ BRITT
000 WGUS63 KLSX 232137 FFALSX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 337 PM CST WED DEC 23 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-240945- /O.EXT.KLSX.FA.A.0002.000000T0000Z-091225T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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 337 PM CST WED DEC 23 2009 ...FLOOD WATCH NOW IN EFFECT THROUGH THURSDAY EVENING... THE FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...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 AND WASHINGTON IL. IN MISSOURI...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 AND WASHINGTON. * THROUGH THURSDAY EVENING * SHOWERS AND SCATTERED THUNDERSTORMS HAVE ALREADY PRODUCED 1 TO 2 INCHES OF RAINFALL OVER PARTS OF CENTRAL MISSOURI AND SOUTH CENTRAL ILLINOIS. THE RAIN IS EXPECTED TO CONTINUE THROUGH THURSDAY EVENING AND BE HEAVY AT TIMES...WITH TOTAL RAINFALL AMOUNTS BETWEEN 2 AND 4 INCHES. THE RAIN WILL IMMEDIATELY BECOME RUNOFF THAT IS CAPABLE OF PRODUCING FLOODING...PARTICULARLY WHERE THE SOIL IS NOW EITHER SATURATED OR STILL FROZEN. * EXCESSIVE RUNOFF COULD LEAD TO FLOODING ALONG CREEKS AND RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THAT FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA ARE URGED TO CHECK ON PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. STAY INFORMED...AND BE READY FOR ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. && $$ BRITT
000 WGUS63 KLSX 240958 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 358 AM CST THU DEC 24 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-242200- /O.CON.KLSX.FA.A.0002.000000T0000Z-091225T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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 358 AM CST THU DEC 24 2009 ...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...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 AND WASHINGTON IL. IN MISSOURI...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 AND WASHINGTON. * THROUGH THIS EVENING * NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED THAT 1 TO 2 INCHES OF RAIN HAS ALREADY FALLEN ACROSS PARTS OF THE AREA...WITH LOCALLY HIGHER AMOUNTS. MANY SMALLER STREAMS AND RIVERS ACROSS THE AREA ARE RUNNING AT OR NEAR BANKFULL DUE TO THIS RAIN...ESPECIALLY ALONG AND NORTH OF THE INTERSTATE 70 CORRIDOR. AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL IS FORECAST ACROSS THE AREA. THE LATEST WEATHER DATA SUGGESTS THAT THE HIGHEST RAINFALL AMOUNTS WILL BE OVER THE EASTERN OZARKS AND SOUTHWEST ILLINOIS. * EXCESSIVE RUNOFF COULD LEAD TO FLOODING ALONG CREEKS AND RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THAT FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA ARE URGED TO CHECK ON PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU HAVE INTERESTS ALONG AREA RIVERS. STAY INFORMED...AND BE READY FOR ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. && $$ CARNEY
000 WGUS63 KLSX 242132 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 332 PM CST THU DEC 24 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-250600- /O.CON.KLSX.FA.A.0002.000000T0000Z-091225T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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 332 PM CST THU DEC 24 2009 ...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...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 AND WASHINGTON IL. IN MISSOURI...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 AND WASHINGTON. * UNTIL MIDNIGHT CST TONIGHT * THE GROUND HAS BECOME SATURATED IN MANY AREAS BECAUSE THE 1 TO 2 INCHES OF RAIN THAT HAS FALLEN SINCE MONDAY NIGHT. ANOTHER 1 TO 2 INCHES OF RAINFALL IS POSSIBLE THROUGH THIS EVENING AHEAD OF A POTENT STORM SYSTEM CURRENTLY OVER THE CENTRAL UNITED STATES. THE LATEST WEATHER DATA SUGGESTS THAT THE HIGHEST RAINFALL AMOUNTS WILL BE OVER PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI AND ADJACENT SECTIONS OF SOUTHWEST ILLINOIS. * EXCESSIVE RUNOFF COULD LEAD TO FLOODING ALONG CREEKS AND RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF THE POSSIBILITY FOR HEAVY RAINFALL. AVOID LOW LYING AREAS...AND BE CAREFUL WHEN APPROACHING HIGHWAY DIPS AND UNDERPASSES. && $$ BRITT
000 WGUS63 KLSX 250350 FFALSX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 950 PM CST THU DEC 24 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ061-063>065-075- 251200- /O.EXT.KLSX.FA.A.0002.000000T0000Z-091225T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL- ST. CHARLES-ST. LOUIS-ST. LOUIS CITY-JEFFERSON-STE. GENEVIEVE- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...ST CHARLES... ST LOUIS 950 PM CST THU DEC 24 2009 ...FLOOD WATCH NOW IN EFFECT UNTIL 6 AM CST FRIDAY... THE FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...ADAMS IL...BOND IL...BROWN IL... CALHOUN IL...CLINTON IL...FAYETTE IL...GREENE IL...JERSEY IL... MACOUPIN IL...MADISON IL...MARION IL...MONROE IL...MONTGOMERY IL...PIKE IL...RANDOLPH IL...ST. CLAIR IL AND WASHINGTON IL. IN MISSOURI...JEFFERSON...ST. CHARLES...ST. LOUIS...ST. LOUIS CITY AND STE. GENEVIEVE. * UNTIL 6 AM CST FRIDAY * PERSISTENT LIGHT TO MODERATE RAIN IS EXPECTED TO CONTINUE FOR THE REMAINDER OF THE NIGHT OVER ALREADY SATURATED GROUND AND MANY AREA RIVERS AND CREEKS AT BANKFULL. THIS WILL MAINTAIN THE FLOODING THREAT AS ANY ADDITIONAL RAINFALL WILL GO AS RUNOFF INTO THESE BODIES OF WATER. * EXCESSIVE RUNOFF COULD LEAD TO FLOODING ALONG CREEKS AND RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF THE POSSIBILITY FOR HEAVY RAINFALL. AVOID LOW LYING AREAS...AND BE CAREFUL WHEN APPROACHING HIGHWAY DIPS AND UNDERPASSES. && $$ MOZ018-019-026-027-034>036-041-042-047>052-059-060-062-072>074- 084-085-099-250600- /O.CON.KLSX.FA.A.0002.000000T0000Z-091225T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KNOX-LEWIS-SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU- COLE-OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-FRANKLIN- CRAWFORD-WASHINGTON-ST. FRANCOIS-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...HANNIBAL...BOWLING GREEN...COLUMBIA... MEXICO...JEFFERSON CITY...UNION...FARMINGTON 950 PM CST THU DEC 24 2009 ...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF CENTRAL MISSOURI...EAST CENTRAL MISSOURI... NORTHEAST MISSOURI AND SOUTHEAST MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN CENTRAL MISSOURI...AUDRAIN...BOONE... CALLAWAY...COLE...MONITEAU AND OSAGE. IN EAST CENTRAL MISSOURI...CRAWFORD...FRANKLIN...GASCONADE...LINCOLN... MONTGOMERY...WARREN AND WASHINGTON. IN NORTHEAST MISSOURI... KNOX...LEWIS...MARION...MONROE...PIKE...RALLS AND SHELBY. IN SOUTHEAST MISSOURI...IRON...MADISON...REYNOLDS AND ST. FRANCOIS. * UNTIL MIDNIGHT CST TONIGHT * THE PERSISTENT LIGHT TO MODERATE RAIN IS EXPECTED TO TAPER OFF OVERNIGHT...AND BEFORE IT PICKS UP AGAIN...WILL TRANSITION TO SNOW OVER MUCH OF THE AREA ENDING THE FLOODING THREAT. UNTIL THEN...RAIN OVER ALREADY SATURATED GROUND AND WITH MANY AREA RIVERS AND CREEKS AT BANKFULL WILL MAINTAIN THE FLOODING THREAT AS ANY ADDITIONAL RAINFALL WILL GO AS RUNOFF INTO THESE BODIES OF WATER. * EXCESSIVE RUNOFF COULD LEAD TO FLOODING ALONG CREEKS AND RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF THE POSSIBILITY FOR HEAVY RAINFALL. AVOID LOW LYING AREAS...AND BE CAREFUL WHEN APPROACHING HIGHWAY DIPS AND UNDERPASSES. && $$ TES
000 WGUS63 KLSX 250615 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 1215 AM CST FRI DEC 25 2009 MOZ018-019-026-027-034>036-041-042-047>052-059-060-062-072>074- 084-085-099-250715- /O.EXP.KLSX.FA.A.0002.000000T0000Z-091225T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KNOX-LEWIS-SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU- COLE-OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-FRANKLIN- CRAWFORD-WASHINGTON-ST. FRANCOIS-IRON-MADISON-REYNOLDS- INCLUDING THE CITIES OF...HANNIBAL...BOWLING GREEN...COLUMBIA... MEXICO...JEFFERSON CITY...UNION...FARMINGTON 1215 AM CST FRI DEC 25 2009 ...FLOOD WATCH HAS EXPIRED... THE FLOOD WATCH FOR PORTIONS OF CENTRAL MISSOURI...EAST CENTRAL MISSOURI...NORTHEAST MISSOURI AND SOUTHEAST MISSOURI HAS EXPIRED. ONLY LIGHT RAIN IS EXPECTED INTO THE LATE NIGHT HOURS... TRANSITIONING OVER TO SNOW. THIS WILL RESULT IN NEW RAINFALL AMOUNTS LESS THAN A TENTH OF AN INCH. $$ ILZ058>060-064-065-069-070-074-079-095>102-MOZ061-063>065-075- 251200- /O.CON.KLSX.FA.A.0002.000000T0000Z-091225T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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. CHARLES-ST. LOUIS-ST. LOUIS CITY-JEFFERSON-STE. GENEVIEVE- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...ST CHARLES... ST LOUIS 1215 AM CST FRI DEC 25 2009 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...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 AND WASHINGTON IL. IN MISSOURI...JEFFERSON...ST. CHARLES...ST. LOUIS...ST. LOUIS CITY AND STE. GENEVIEVE. * UNTIL 6 AM CST EARLY THIS MORNING * PERSISTENT LIGHT TO MODERATE RAIN IS EXPECTED TO CONTINUE FOR THE REMAINDER OF THE NIGHT OVER ALREADY SATURATED GROUND AND MANY AREA RIVERS AND CREEKS AT BANKFULL. THIS WILL MAINTAIN THE FLOODING THREAT AS ANY ADDITIONAL RAINFALL WILL GO AS RUNOFF INTO THESE BODIES OF WATER. * EXCESSIVE RUNOFF COULD LEAD TO FLOODING ALONG CREEKS AND RIVERS ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF THE POSSIBILITY FOR HEAVY RAINFALL. AVOID LOW LYING AREAS...AND BE CAREFUL WHEN APPROACHING HIGHWAY DIPS AND UNDERPASSES. && $$ TES
000 WGUS63 KLSX 251029 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 429 AM CST FRI DEC 25 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ061-063>065-075- 251130- /O.CAN.KLSX.FA.A.0002.000000T0000Z-091225T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL- ST. CHARLES-ST. LOUIS-ST. LOUIS CITY-JEFFERSON-STE. GENEVIEVE- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...ST CHARLES... ST LOUIS 429 AM CST FRI DEC 25 2009 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR PORTIONS OF WEST CENTRAL AND SOUTHERN ILLINOIS...AND EAST CENTRAL MISSOURI...HAS BEEN CANCELLED. ALTHOUGH SOME RAIN WILL LINGER ACROSS THE AREA THIS MORNING...THE THREAT OF HEAVY RAINFALL HAS ENDED. $$ TRUETT
What forecasters said that day
The local office's own words before this flood watch 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 flood watch went out at Dec 22, 2:58 PM CST, 41 minutes earlier.
Area forecast discussion, Dec 22, 2:58 PM CST, 41 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
258 PM CST TUE DEC 22 2009
.DISCUSSION...
/252 PM CST TUE DEC 22 2009/
MAIN CONCERN WILL BE POTENTIAL FOR FLOODING THE NEXT FEW DAYS
FOLLOWED BY A CHRISTMAS AND DAY AFTER THAT CERTAINLY WILL FEEL LIKE
WINTER. HAVE ENOUGH CONFIDENCE AT THIS TIME TO ISSUE A FLOOD WATCH
FROM MIDDAY WEDNESDAY THROUGH LATE THURSDAY. UPPER LOW NOW OVER THE
WRN CONUS WILL DIG SEWD INTO THE FOUR CORNERS BY TOMORROW AND THEN
EJECT OUT INTO THE PLANS BY THURSDAY NIGHT. WHILE THERE ARE SOME
DIFFERENCES BETWEEN THE MODELS...EACH AGREE THAT THERE WILL BE A
STRONG COLD FRONT MOVE ACROSS MO/IL ON THURSDAY AT THE SAME TIME
THE UPPER TROUGH BECOMES NEGATIVELY TILTED. GENERALLY FOLLOWED THE
GFS GUIDANCE WHICH FALLS IN THE MIDDLE OF THE SPREAD.
CHANCES OF RAIN WILL INCREASE FROM SOUTH TO NORTH TONIGHT AS 925-850
MOISTURE CONVERGENCE DEVELOPS BY LATE THIS EVENING. LARGE SCALE
ASCENT WILL ALSO INCREASE AS WEAK SHORTWAVE TROUGH CURRENTLY OVER
THE CENTRAL HIGH PLAINS MOVES INTO THE AREA. THIS FORCING WILL
ONLY INCREASES AS MAIN TROUGH BECOMES NEGATIVELY TILTED...SO
INTENSITY OF RAINFALL WILL INCREASE WEDNESDAY AFTERNOON AND
CONTINUE INTO EARLY THURSDAY. SCATTERED TSRA IS STILL A GOOD IDEA
AS COVERAGE OF CONVECTION TENDS TO INCREASE WITH SUCH STRONG
DYNAMIC FORCING EVEN THOUGH THE ATMOSPHERE WILL ONLY BE SLIGHTLY
UNSTABLE. TSRA CERTAINLY WILL BE ABLE TO GENERATE LOCALLY HEAVY
RAINFALL. GIVEN PWATS INCREASING TO ANOMALOUSLY HIGH 1+ INCHES...
EXPECT RAINFALL AMOUNTS WILL RANGE FROM 1.5 OVER CNTRL AND NERN
MO TO AROUND 3 OVER PARTS OF SERN MO INTO S CNTRL ILLINOIS. THE
GROUND IS FROZEN OVER ALL BUT THE CNTRL/SERN MO COUNTIES...SO ANY
RAINFALL WILL BE IMMEDIATE RUNOFF IN THESE LOCATIONS. RAINFALL
AMOUNTS OVER SERN MO WILL APPROACH FLASH FLOOD GUIDANCE...SO THINK
THESE COUNTIES NEED ALSO TO BE INCLUDED IN THE WATCH. KEPT PART OF
THE CNTRL MO COUNTIES OUT FOR NOW AS THE GROUND IS NOT FROZEN AND
RAINFALL AMOUNTS ARE NOT EXPECT TO REACH FFG.
FRONT WILL RACE THROUGH THE AREA ON THURSDAY NIGHT CAUSING THE RAIN
TO CHANGE TO SNOW AS IS IT DOES. ONE DIFFERENCE THAT THE 12Z
MODELS INTRODUCED WAS TO SPLIT THE 850MB LOW TRACK...CAUSING ONE
INITIAL TRACK TO MOVE NORTHWARD THROUGH ERN KS/NE ON THURSDAY...AND
A SECOND ONE FARTHER SE THAT WILL NWD MOVE ACROSS CNTRL MO ON
THURSDAY NIGHT. THIS MEANS THAT THE FAR WRN/NWRN PART OF THE CWA
WILL SEE SOME SMALL SNOW ACCUMULATION FROM THIS SECOND DEFORMATION
ZONE.
FRIDAY INTO THE WEEKEND WILL DEFINITELY FEEL LIKE WINTER AS THERE IS
DECENT AGREEMENT BETWEEN THE ECMWF/GFS THAT SECOND UPPER LOW WILL
DIVE DOWN INTO MEAN TROUGH AND LINGER OVER MO/IL. FORECAST
SOUNDINGS FROM THE ECMWF/GFS SHOW STEEP LOW LEVEL LAPSE RATES ALONG
WITH ABUNDANT MOISTURE AND CYCLONIC TURNING IN THE LOW LEVELS. HAVE
GONE WITH SCATTERED SNOW SHOWERS FRIDAY INTO SATURDAY WITH FLURRIES
LINGERING INTO SUNDAY. UPPER LOW THEN PULLS OUT AND RIDGING BUILDS
IN EARLY NEXT WEEK...SO HAVE GONE DRY. HAVE GONE WITH COOLER HPC
GUIDANCE AND GEFS MEAN MOS FOR HIGH TEMPS OVER THE WEEKEND GIVEN THE
CLOUDS.
BRITT
&&
.AVIATION...
/1150 AM CST TUE DEC 22 2009/
FOR THE 18Z TAFS...
FOR KSTL/KSUS...IFR CONDITIONS MAINTAINING ACRS THE RGN AS SFC
WARM FRONT SLOWLY LIFTS NEWD THRU THE REGION. AM CONFIDENT CIGS
AND VSBYS WILL LIFT TO MVFR CONDITIONS DURING THE AFTN...THOUGH
TIMING IS UNCERTAIN. EXPECT CONDITIONS WILL DETERIORATE TO IFR
BY 3Z AND LIFR BY 8Z WITH ONSET OF HEAVY RAIN ACRS THE REGION...LIGHT
SELY FLOW COMBINED WITH AN ABUNDANCE OF MOISTURE AND A COLD GROUND
SHOULD LEND TO LOW VSBYS. HAVE PLACED A CB IN THE CIGS AND DEFERED
MENTIONING THUNDER FOR NOW AND WILL LEAVE THAT TO EVENING SHIFT.
FOR KUIN...FEEL IFR CONDITIONS WILL PREVAIL WITH COLD AIR MASS IN
PLACE AND SFC WARM FRONT WELL TO THE SOUTH. HAVE IFR TO LIFR
CONDITIONS PREVAILING AFTER MIDNIGHT WITH ONSET OF RAINS STREAMING
NWD ACRS THE REGION. CONFIDENT VSBYS AND CIGS WILL TANK
SIGNIFICANTLY DURING THE OVERNIGHT INTO MORNING HOURS. DO NOT
EXPECT THUNDER AT THIS LOCALE.
FOR COU...VFR SHOULD HOLD THROUGH AFTERNOON BUT EXPECT MVFR BY
EVENING PER SATELLITE TRENDS TO THE SOUTHWEST. EXPECT THE ONSET OF
RAIN AND IFR CONDITIONS BY 3Z FALLING INTO LIFR BY 8Z. SIMILAR
THINKING OF THE KSTL/KSUS TAF PERTAINS TO KCOU.
SIPPRELL
&&
.LSX WATCHES/WARNINGS/ADVISORIES...
MO...FLOOD WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON
FOR AUDRAIN-CRAWFORD-FRANKLIN-GASCONADE-IRON-JEFFERSON-KNOX-
LEWIS-LINCOLN-MADISON-MARION-MONROE-MONTGOMERY-PIKE-RALLS-
REYNOLDS-SHELBY-ST. CHARLES-ST. FRANCOIS-ST. LOUIS-ST.
LOUIS CITY-STE. GENEVIEVE-WARREN-WASHINGTON.
IL...FLOOD WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON
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, Dec 22, 7:35 AM CST, 8 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 735 AM CST TUE DEC 22 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-231200- 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- 735 AM CST TUE DEC 22 2009 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 PATCHY FREEZING FOG WILL REDUCE VISIBILITIES TO AROUND A MILE THIS MORNING. DUE TO THE FREEZING TEMPERATURES A FEW SLICK SPOTS COULD DEVELOP...ESPECIALLY ON ELEVATED SURFACES. THERE IS A CHANCE OF THUNDERSTORMS TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY MODERATE TO HEAVY RAINFALL...ALONG WITH SCATTERED THUNDERSTORMS... IS EXPECTED WEDNESDAY THROUGH THURSDAY. RAINFALL TOTALS OF TWO TO THREE INCHES OR GREATER ARE POSSIBLE. FLOODING MAY OCCUR AS THE RAIN FALLS ON A FROZEN GROUND AND BECOMES RUNOFF INTO CREEKS...STREAMS AND RIVERS. GUSTY WINDS ARE EXPECTED THURSDAY NIGHT AND FRIDAY. .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 CVKING
Nearby
Flood Watches in Missouri, 2009Flood Watches in Illinois, 2009Every flood watch in 2009
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.