Alert archive / Missouri / Flash Flood Watches in 2013
Flash Flood Watch 1, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood watch at Apr 16, 2013, 4:30 PM CDT for 24 counties in Missouri; 14 counties in Illinois. It took effect at Apr 17, 2013, 7:00 PM CDT. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2013, 4:30 PM CDT (21:30 UTC)
- In effect from
- Apr 17, 2013, 7:00 PM CDT
- Expired
- Apr 18, 2013, 6:00 PM CDT
- In force
- 23 hr
- Issued by
- NWS St. Louis, MO
- Flood severity
- None
All 38 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, Monroe County, IL, Montgomery County, IL, Pike County, IL, Saint Clair County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Shelby County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 43 km from the middle of the area, began a volume at 21:33 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, 9.5 hours before the alert went out and 239 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
- 647 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 382 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
267 WGUS63 KLSX 162130 FFALSX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 430 PM CDT TUE APR 16 2013 ...STRONG STORM TO BRING WIDESPREAD SIGNIFICANT RAINS TO THE NATIONS MIDSECTION... .A POWERFUL EARLY SPRING STORM WILL LIKELY PRODUCE HEAVY RAINFALL ACROSS CENTRAL AND EASTERN MISSOURI...AS WELL AS SOUTHWEST SECTIONS OF ILLINOIS. THE LATEST GUIDANCE IS INDICATING BETWEEN TWO AND FOUR INCHES OF RAIN FROM WEDNESDAY NIGHT THROUGH THURSDAY NIGHT..AND THIS WILL BE IN ADDITION TO ANY RAIN THAT OCCURS TONIGHT AND WEDNESDAY. SINCE PARTS OF NORTHEAST AND CENTRAL MISSOURI AND WEST CENTRAL ILLINOIS ARE ALREADY BE SATURATED FROM EARLIER RAINS...FLASH FLOODING WILL BE A VERY REAL THREAT. IN ADDITION TO FLASH FLOODING...SIGNIFICANT RISES ARE EXPECTED ON AREA RIVERS. CONTINGENCY RIVER FORECASTS...USING THREE DAYS OF FORECAST RAINFALL RATHER THAN THE OFFICIAL ONE DAY OF FORECAST RAINFALL... REFLECT A GREATER POTENTIAL FOR SIGNIFICANT FLOODING IN NORTHEASTERN MISSOURI AND WEST CENTRAL ILLINOIS. THE MOST LIKELY SCENARIO ON THE KASKASKIA...MERAMEC...BOURBEUSE...BIG... MARIES...AND BLACK RIVERS WOULD YIELD MINOR FLOODING ON THESE STREAMS. MEANWHILE...MODERATE FLOODING APPEARS LIKELY ON SEVERAL STREAMS FURTHER NORTH... INCLUDING THE BRANCHES OF THE FABIUS AND SALT RIVERS...THE CUIVRE RIVER...AND THE NORTH RIVER. IN ADDITION...THERE IS ALSO HIGH POTENTIAL OF MAJOR FLOODING ON THE LARGER RIVERS BY THE WEEKEND...PARTICULARLY THE ILLINOIS AND MISSISSIPPI RIVERS. ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>051-170930- /O.NEW.KLSX.FF.A.0001.130418T0000Z-130419T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 430 PM CDT TUE APR 16 2013 ...FLASH FLOOD WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF WEST CENTRAL ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN WEST CENTRAL ILLINOIS...ADAMS IL...BROWN IL AND PIKE IL. IN MISSOURI... AUDRAIN MO...BOONE MO...CALLAWAY MO...COLE MO...KNOX MO... LEWIS MO...MARION MO...MONITEAU MO...MONROE MO...MONTGOMERY MO...OSAGE MO...PIKE MO...RALLS MO AND SHELBY MO. * FROM WEDNESDAY EVENING THROUGH THURSDAY * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED WEDNESDAY EVENING THROUGH THURSDAY. WIDESPREAD RAINS OF 2 TO 4 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ ILZ058>060-064-098>102-MOZ052-059>065-072-073-170930- /O.NEW.KLSX.FF.A.0001.130418T1200Z-130419T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN MO-GASCONADE MO- WARREN MO-ST. CHARLES MO-FRANKLIN MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... BELLEVILLE...ST CHARLES...UNION...ST LOUIS 430 PM CDT TUE APR 16 2013 ...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF ILLINOIS AND EAST CENTRAL MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS... BOND IL...CALHOUN IL...GREENE IL...JERSEY IL...MACOUPIN IL... MADISON IL...MONROE IL...MONTGOMERY IL AND ST. CLAIR IL. IN EAST CENTRAL MISSOURI...CRAWFORD MO...FRANKLIN MO...GASCONADE MO...JEFFERSON MO...LINCOLN MO...ST. CHARLES MO...ST. LOUIS CITY MO...ST. LOUIS MO...WARREN MO AND WASHINGTON MO. * FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED THURSDAY AND THURSDAY EVENING. WIDESPREAD RAINS OF 2 TO 4 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ TRUETT
6 follow-up statements
795 WGUS63 KLSX 171219 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 719 AM CDT WED APR 17 2013 ...STRONG STORM TO BRING WIDESPREAD SIGNIFICANT RAINS TO THE NATIONS MIDSECTION... .A POWERFUL EARLY SPRING STORM WILL LIKELY PRODUCE HEAVY RAINFALL ACROSS CENTRAL AND EASTERN MISSOURI...AS WELL AS SOUTHWEST SECTIONS OF ILLINOIS. THE LATEST GUIDANCE IS INDICATING BETWEEN TWO AND FOUR INCHES OF RAIN FROM TONIGHT THROUGH THURSDAY NIGHT. PARTS OF NORTHEAST AND CENTRAL MISSOURI AND WEST CENTRAL ILLINOIS WHERE SHOWERS AND THUNDERSTORMS HAVE OCCURRED OVER THE LAST FEW DAYS HAVE THE POTENTIAL FOR SOME OF THE HIGHEST RAINFALL AMOUNTS...THUS FLASH FLOODING WILL BE A VERY REAL THREAT. IN ADDITION TO FLASH FLOODING...SIGNIFICANT RISES ARE EXPECTED ON AREA RIVERS. CONTINGENCY RIVER FORECASTS...USING THREE DAYS OF FORECAST RAINFALL RATHER THAN THE OFFICIAL ONE DAY OF FORECAST RAINFALL... REFLECT A GREATER POTENTIAL FOR SIGNIFICANT FLOODING IN NORTHEASTERN MISSOURI AND WEST CENTRAL ILLINOIS. THE MOST LIKELY SCENARIO ON THE KASKASKIA...MERAMEC...BOURBEUSE...BIG... MARIES...AND BLACK RIVERS WOULD YIELD MINOR FLOODING ON THESE STREAMS. MEANWHILE...MODERATE FLOODING APPEARS LIKELY ON SEVERAL STREAMS FURTHER NORTH... INCLUDING THE BRANCHES OF THE FABIUS AND SALT RIVERS...THE CUIVRE RIVER...AND THE NORTH RIVER. IN ADDITION...THERE IS ALSO HIGH POTENTIAL OF MAJOR FLOODING ON THE LARGER RIVERS BY THE WEEKEND...PARTICULARLY THE ILLINOIS AND MISSISSIPPI RIVERS. ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>051-180030- /O.CON.KLSX.FF.A.0001.130418T0000Z-130419T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 719 AM CDT WED APR 17 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF WEST CENTRAL ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN WEST CENTRAL ILLINOIS...ADAMS IL... BROWN IL AND PIKE IL. IN MISSOURI...AUDRAIN MO...BOONE MO... CALLAWAY MO...COLE MO...KNOX MO...LEWIS MO...MARION MO... MONITEAU MO...MONROE MO...MONTGOMERY MO...OSAGE MO...PIKE MO...RALLS MO AND SHELBY MO. * FROM 7 PM CDT THIS EVENING THROUGH THURSDAY EVENING * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED. THE STORMS WILL OCCUR AS EARLY AS THIS AFTERNOON...HOWEVER TONIGHT THROUGH THURSDAY IS THE FAVORED PERIOD. WIDESPREAD RAINS OF 2 TO 4 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ ILZ058>060-064-098>102-MOZ052-059>065-072-073-180030- /O.CON.KLSX.FF.A.0001.130418T1200Z-130419T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN MO-GASCONADE MO- WARREN MO-ST. CHARLES MO-FRANKLIN MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... BELLEVILLE...ST CHARLES...UNION...ST LOUIS 719 AM CDT WED APR 17 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF ILLINOIS AND EAST CENTRAL MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...BOND IL...CALHOUN IL... GREENE IL...JERSEY IL...MACOUPIN IL...MADISON IL...MONROE IL...MONTGOMERY IL AND ST. CLAIR IL. IN EAST CENTRAL MISSOURI...CRAWFORD MO...FRANKLIN MO...GASCONADE MO... JEFFERSON MO...LINCOLN MO...ST. CHARLES MO...ST. LOUIS CITY MO...ST. LOUIS MO...WARREN MO AND WASHINGTON MO. * FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED THURSDAY AND THURSDAY EVENING. WIDESPREAD RAINS OF 2 TO 4 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ GLASS
844 WGUS63 KLSX 172032 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 332 PM CDT WED APR 17 2013 .A POWERFUL EARLY SPRING STORM WILL PRODUCE BETWEEN TWO AND FOUR INCHES OF RAIN FROM THIS AFTERNOON THROUGH THURSDAY NIGHT. FLASH FLOODING WILL BE A VERY REAL THREAT BECAUSE THE HEAVIEST RAINFALL IS EXPECTED TO OCCUR OVER AREAS WHERE THE GROUND IS ALREADY SATURATED. THE AREA OF GREATEST CONCERN INCLUDES NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS WHERE THE HIGHEST RAINFALL AMOUNTS ARE EXPECTED. IN ADDITION TO FLASH FLOODING...SIGNIFICANT RISES ARE EXPECTED ON AREA RIVERS. PLEASE REFER TO THE RIVER FORECASTS FOR INFORMATION ABOUT SPECIFIC RIVERS. ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>051-181000- /O.CON.KLSX.FF.A.0001.130418T0000Z-130419T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 332 PM CDT WED APR 17 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF WEST CENTRAL ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN WEST CENTRAL ILLINOIS...ADAMS IL... BROWN IL AND PIKE IL. IN MISSOURI...AUDRAIN MO...BOONE MO... CALLAWAY MO...COLE MO...KNOX MO...LEWIS MO...MARION MO... MONITEAU MO...MONROE MO...MONTGOMERY MO...OSAGE MO...PIKE MO...RALLS MO AND SHELBY MO. * FROM 7 PM CDT THIS EVENING THROUGH THURSDAY EVENING * 2 TO 4 INCHES OF RAINFALL IS EXPECTED FROM THIS AFTERNOON THROUGH TOMORROW NIGHT. SEVERAL HOURS OF HEAVY RAIN FALLING ON TOP OF SATURATED SOILS WILL PRODUCE SIGNIFICANT FLASH FLOODING...ESPECIALLY ACROSS NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS WHERE THE HIGHEST RAINFALL AMOUNTS ARE EXPECTED. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. FLASH FLOODING IS ESPECIALLY DANGEROUS AT NIGHT WHEN IT IS DIFFICULT TO SEE WASHED OUT ROADWAYS. A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ ILZ058>060-064-098>102-MOZ052-059>065-072-073-181000- /O.CON.KLSX.FF.A.0001.130418T1200Z-130419T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN MO-GASCONADE MO- WARREN MO-ST. CHARLES MO-FRANKLIN MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... BELLEVILLE...ST CHARLES...UNION...ST LOUIS 332 PM CDT WED APR 17 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF ILLINOIS AND EAST CENTRAL MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...BOND IL...CALHOUN IL... GREENE IL...JERSEY IL...MACOUPIN IL...MADISON IL...MONROE IL...MONTGOMERY IL AND ST. CLAIR IL. IN EAST CENTRAL MISSOURI...CRAWFORD MO...FRANKLIN MO...GASCONADE MO... JEFFERSON MO...LINCOLN MO...ST. CHARLES MO...ST. LOUIS CITY MO...ST. LOUIS MO...WARREN MO AND WASHINGTON MO. * FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED THURSDAY AND THURSDAY EVENING. WIDESPREAD RAINS OF 2 TO 4 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ KANOFSKY
814 WGUS63 KLSX 180903 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 403 AM CDT THU APR 18 2013 ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>051-190000- /O.CON.KLSX.FF.A.0001.000000T0000Z-130419T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 403 AM CDT THU APR 18 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF WEST CENTRAL ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN WEST CENTRAL ILLINOIS...ADAMS IL... BROWN IL AND PIKE IL. IN MISSOURI...AUDRAIN MO...BOONE MO... CALLAWAY MO...COLE MO...KNOX MO...LEWIS MO...MARION MO... MONITEAU MO...MONROE MO...MONTGOMERY MO...OSAGE MO...PIKE MO...RALLS MO AND SHELBY MO. * THROUGH THIS EVENING * AN ADDITIONAL 1 TO 3 INCHES OF RAINFALL IS EXPECTED THOUGH THIS EVENING. SEVERAL HOURS OF HEAVY RAIN FALLING ON TOP OF SATURATED SOILS WILL PRODUCE SIGNIFICANT FLASH FLOODING...ESPECIALLY ACROSS NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS WHERE THE HIGHEST RAINFALL AMOUNTS HAVE ALREADY FALLEN WITH MORE EXPECTED TODAY. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. FLASH FLOODING IS ESPECIALLY DANGEROUS AT NIGHT WHEN IT IS DIFFICULT TO SEE WASHED OUT ROADWAYS. A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ ILZ058>060-064-098>102-MOZ052-059>065-072-073-190000- /O.CON.KLSX.FF.A.0001.130418T1200Z-130419T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN MO-GASCONADE MO- WARREN MO-ST. CHARLES MO-FRANKLIN MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... BELLEVILLE...ST CHARLES...UNION...ST LOUIS 403 AM CDT THU APR 18 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF ILLINOIS AND EAST CENTRAL MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...BOND IL...CALHOUN IL... GREENE IL...JERSEY IL...MACOUPIN IL...MADISON IL...MONROE IL...MONTGOMERY IL AND ST. CLAIR IL. IN EAST CENTRAL MISSOURI...CRAWFORD MO...FRANKLIN MO...GASCONADE MO... JEFFERSON MO...LINCOLN MO...ST. CHARLES MO...ST. LOUIS CITY MO...ST. LOUIS MO...WARREN MO AND WASHINGTON MO. * FROM 7 AM CDT THIS MORNING THROUGH LATE TONIGHT * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED THROUGH THIS EVENING. WIDESPREAD RAINS OF 2 TO 4 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ TILLY
910 WGUS63 KLSX 181534 FFALSX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 1034 AM CDT THU APR 18 2013 ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>051-181645- /O.CAN.KLSX.FF.A.0001.000000T0000Z-130419T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 1034 AM CDT THU APR 18 2013 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF WEST CENTRAL ILLINOIS AND MISSOURI HAS BEEN CANCELLED. ONLY LIGHT ADDITIONAL RAINFALL AMOUNTS ARE EXPECTED FROM THIS POINT ON...WITH ALL RAINFALL COMING TO AN END DURING THE EARLY AFTERNOON. NO NEW FLOODING IS EXPECTED OTHER THAN AREAS CURRENTLY EXPERIENCING IT. $$ ILZ065-069-182300- /O.EXB.KLSX.FF.A.0001.000000T0000Z-130418T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ FAYETTE IL-CLINTON IL- INCLUDING THE CITY OF...VANDALIA 1034 AM CDT THU APR 18 2013 ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE A PORTION OF SOUTH CENTRAL ILLINOIS...INCLUDING THE FOLLOWING COUNTIES...CLINTON IL AND FAYETTE IL. * UNTIL 6 PM CDT THIS EVENING * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED THROUGH LATE THIS AFTERNOON. WIDESPREAD ADDITIONAL RAINFALL OF 1 TO 2 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ ILZ058>060-064-098>102-MOZ052-059>065-072-073-182300- /O.EXT.KLSX.FF.A.0001.000000T0000Z-130418T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN MO-GASCONADE MO- WARREN MO-ST. CHARLES MO-FRANKLIN MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... BELLEVILLE...ST CHARLES...UNION...ST LOUIS 1034 AM CDT THU APR 18 2013 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 6 PM CDT THIS EVENING... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF ILLINOIS AND EAST CENTRAL MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...BOND IL...CALHOUN IL... GREENE IL...JERSEY IL...MACOUPIN IL...MADISON IL...MONROE IL...MONTGOMERY IL AND ST. CLAIR IL. IN EAST CENTRAL MISSOURI...CRAWFORD MO...FRANKLIN MO...GASCONADE MO... JEFFERSON MO...LINCOLN MO...ST. CHARLES MO...ST. LOUIS CITY MO...ST. LOUIS MO...WARREN MO AND WASHINGTON MO. * UNTIL 6 PM CDT THIS EVENING * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED THROUGH LATE THIS AFTERNOON. WIDESPREAD ADDITIONAL RAINFALL OF 1 TO 2 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ TES
262 WGUS63 KLSX 182035 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 335 PM CDT THU APR 18 2013 ILZ058-059-098-099-MOZ052-059>065-072-073-182145- /O.CAN.KLSX.FF.A.0001.000000T0000Z-130418T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-LINCOLN MO- GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- INCLUDING THE CITIES OF...ST CHARLES...UNION...ST LOUIS 335 PM CDT THU APR 18 2013 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTHWEST ILLINOIS AND EAST CENTRAL MISSOURI HAS BEEN CANCELLED. RAIN WILL CONTINUE THROUGH EARLY THIS EVENING BUT IS EXPECTED TO BE LIGHT WITH MINIMAL ADDITIONAL RAINFALL. $$ ILZ060-064-065-069-100>102-182300- /O.CON.KLSX.FF.A.0001.000000T0000Z-130418T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MADISON IL- ST. CLAIR IL-MONROE IL- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...EDWARDSVILLE... BELLEVILLE 335 PM CDT THU APR 18 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTH CENTRAL ILLINOIS AND SOUTHWEST ILLINOIS... INCLUDING THE FOLLOWING COUNTIES...IN SOUTH CENTRAL ILLINOIS...BOND IL...CLINTON IL...FAYETTE IL AND MONTGOMERY IL. IN SOUTHWEST ILLINOIS...MADISON IL...MONROE IL AND ST. CLAIR IL. * UNTIL 6 PM CDT THIS EVENING * THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED UNTIL EARLY THIS EVENING. TAKING INTO ACCOUNT THE HEAVY RAINFALL THAT HAS ALREADY FALLEN ACROSS THE AREA AND THAT IT WILL NOT TAKE MUCH ADDITIONAL RAINFALL TO CREATE ADDITIONAL FLASH FLOODING...EVEN THE EXPECTED ADDITIONAL RAINFALL OF UP TO A HALF INCH COULD CAUSE PROBLEMS. * THOSE LIVING IN AND NEAR FLOOD PRONE AREAS SHOULD CAREFULLY MONITOR WEATHER AND WATER LEVELS. BE READY FOR QUICK ACTION IF A FLASH FLOOD WARNING IS ISSUED...OR IF HIGH WATER LEVELS THREATEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING. CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED. && $$ TES
634 WGUS63 KLSX 182315 FFALSX FLOOD WATCH NATIONAL WEATHER SERVICE ST LOUIS MO 615 PM CDT THU APR 18 2013 ILZ060-064-065-069-100>102-190015- /O.EXP.KLSX.FF.A.0001.000000T0000Z-130418T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MADISON IL- ST. CLAIR IL-MONROE IL- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...EDWARDSVILLE... BELLEVILLE 615 PM CDT THU APR 18 2013 ...FLASH FLOOD WATCH HAS EXPIRED... THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTH CENTRAL ILLINOIS AND SOUTHWEST ILLINOIS HAS EXPIRED. THE RAIN WILL TAPER OFF THIS EVENING AND COME TO AN END BY MIDNIGHT. $$ GKS
What forecasters said that day
The local office's own words before this flash 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 flash flood watch went out at Apr 16, 4:01 PM CDT, 29 minutes earlier.
Area forecast discussion, Apr 16, 4:01 PM CDT, 29 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
401 PM CDT TUE APR 16 2013
.SHORT TERM...(THROUGH LATE TONIGHT)
ISSUED AT 319 PM CDT TUE APR 16 2013
ALTHOUGH SURFACE FRONTAL BOUNDARY PRESSED SOUTH OF THE CWA EARLY THIS
MORNING....WEAK WAA INTO 850 MB BAROCLINIC ZONE HAS ALLOWED
ELEVATED CONVECTION TO PERSIST FROM THE N OZARKS INTO CENTRAL IL.
THIS ACTIVITY HAS WEAKENED CONSIDERABLE OVER THE PAST 90 MINUTES
OR SO...AND ALTHOUGH SOME LIGHT PRECIP IS CERTAINLY STILL POSSIBLE
INTO THE EARLY EVENING THINK THE MAIN PRECIP EVENT WILL BE LATER
TONIGHT...PRIMARILY AFTER MIDNIGHT...AS BROAD LO LEVEL JET RAMPS
UP AND INTERACTS WITH STRONG 850MB THERMAL GRADIENT. ALTHOUGH MID
LEVEL TEMPS ARE PROGGED TO BE FAIRLY WARM...IF THERMAL AND
MOISTURE ADVECTION BENEATH THIS CAPPING IS INTENSE ENOUGH ELEVATED
CONVECTION SHOULD BLOSSOM AND MAY LEAD TO A VERY NOISY PREDAWN
FOR SOME SPOTS N OF I-70. LARGE HAIL AND POCKETS OF HEAVY RAIN
CERTAINLY POSSIBLE WITH MUCAPES PROGGED BETWEEN 800-1500
J/KG...SOME 2 TO 3 TIMES THAT OF THIS MORNING.
TRUETT
.LONG TERM...(WEDNESDAY THROUGH NEXT TUESDAY)
ISSUED AT 319 PM CDT TUE APR 16 2013
(WEDNESDAY-FRIDAY)
ATTM...NO MAJOR CHANGES TO LONG-ADVERTISED STORMY MIDWEEK PERIOD.
UNLIKE THE LAST 2 DAYS...BELIEVE THAT THE AFOREMENTIONED EARLY
MORNING CONVECTION WILL BE ON THE MOVE AS AS 850 THERMAL BOUNDARY
LIFTS NORTH IN DEEPENING S LOW LEVEL FLOW AHEAD OF MAIN UPPER
LEVEL SYSTEM. CERTAINLY BELIEVE THAT ADDITIONAL DEVELOPMENT WILL
BE POSSIBLE NEAR/N OF NWD SURGING WARM FRONT...BUT UNSURE ABOUT
DEVELOMENT IN THE WARM SECTOR AS SOME SOLUTIONS INDICATE FAIRLY
WARM MID LEVEL TEMPS THAT MAY TEND TO CAP SURFACE BASED
CONVECTION.
HOWEVER CONVECTION EVOLVES ON WEDNESDAY...GREATEST COVERAGE AND
SEVERE STORM POTENTIAL SHOULD BE WEDNESDAY NIGHT THROUGH THURSDAY
AS STRONG UPPER LEVEL SYSTEM AND ASSOCIATED COLD FRONT SWEEP INTO
AREA. THERE WILL CERTAINLY MORE THAN ENOUGH SHEAR FOR SIGNIFICANT
SEVERE WEATHER THREAT...AND ACTUAL EXTENT OF SEVERE WEATHER WILL
PROBABLY DEPEND ON HOW INSTABILITY EVOLVES ACROSS THE AREA IN THE
00Z THU-00Z FRI TIME FRAME.
GIVEN WHAT EFFICIENT RAIN-MAKERS THE STORMS OF THE PAST 24
HOURS HAVE BEEN...WIDESPREAD SIGNFICANT RAINFALL SHOULD OCCUR AS
THIS SYSTEM MOVES INTO THE CENTRAL U.S. DUE TO ITS SLOW MOVEMENT...THE
INTENSE AND DEEP UVV...AND PWATS OF OVER 1.5 INCHES. HAVE OPTED
TO ISSUE A FLASH FLOOD WATCH FOR CENTRAL AND NE MO AND WEST
CENTRAL IL FOR WED NIGHT-THU...AND FOR E OZARKS THROUGH STL AREA
INTO CENTRAL IL FOR THURSDAY AND THU EVENING. IN ADDITION TO THE
FLASH FLOOD THREAT...THE EXPECTED WIDESPREAD RAINS OF 3-4 INCHES
WILL MAKE SOME MAINSTEM FLOODING LIKELY. SEE FLASH FLOOD WATCH
STATEMENT FOR ADDITIONAL DETAILS.
HAVE WOUND DOWN THE POST-FRONTAL PRECIP EAST OF THE MISSISSIPPI
RIVER ON THURSDAY EVENING...FOLLOWED BY A BLUSTERY AND
UNSEASONABLY CHILLY APRIL CONDITIONS ON FRIDAY.
(SATURDAY-TUESDAY)
SLOW MODERATION IN TEMPS SHOULD OCCUR DURING THE
WEEKEND...FOLLOWED ANOTHER SHOT OF SHOWERS AND THUNDERSTORMS EARLY
NEXT WORK WEEK AS ANOTHER DEEP TROF PUSHES INTO THE MID
MISSISSIPPI VALLEY. DID NOT MAKE MANY CHANGES TO GUIDANCE DURING
THIS PERIOD.
TRUETT
&&
.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z WEDNESDAY AFTERNOON)
ISSUED AT 1239 PM CDT TUE APR 16 2013
PRIMARY CHALLENGE THIS TAF PACKAGE IS THE ONGOING SHRA/TSRA
ACTIVITY ACROSS THE REGION ALONG WITH TIMING THE ONSET AND LOCATION
OF LATER SHRA/TSRA. SHOWERS AND THUNDERSTORMS...SOME WITH SMALL
HAIL...HAVE CONTINUED TO PERCOLATE ALONG AND NORTH OF A
KMTO...KSUS...AND KVIH LINE AT THE TIME OF TAF ISSUANCE. AS THE
LLJ WEAKENS...SHRA HAS WANED FROM WEST TO EAST...THOUGH CIGS
REMAIN IN THE IFR TO LOW MVFR RANGE FROM SW MO TO CENTRAL IL THIS
AFTERNOON BEHIND A NEARLY STATIONARY FRONT ACROSS SOUTHERN
ILLINOIS AND SOUTHERN MISSOURI. DO NOT EXPECT MUCH IMPROVEMENT
BEYOND LOW MVFR CIGS THIS AFTERNOON...AND EXPECT A RETURN TO IFR
LATE THIS EVENING AS ANOTHER ROUND OF SHRA/TSRA DEVELOPS AS THE
AFOREMENTIONED FRONT BEGINS TO SHIFT NORTHWARD. EXACT TIMING AND
LOCATION OF PRECIPITATION CONTINUES TO BE A QUESTION...THUS HAVE
MAINTAINED TRENDS AND MENTIONED ONLY VCTS IN TAFS AT THIS TIME.
AN IMPROVEMENT TO MVFR CONDITIONS IS EXPECTED WEDNESDAY MORNING.
SPECIFICS FOR KSTL...
MUCH OF THE THUNDERSTORM ACTIVITY HAS SHIFTED NORTHEAST OF THE
TERMINAL...THOUGH THERE ARE STILL SOME SHOWERS TO THE SOUTHWEST
THAT COULD AFFECT KSTL THROUGH THE NEXT COUPLE OF HOURS. CIGS WILL
REMAIN RIGHT ON THE CUSP OF IFR/MVFR...THOUGH EXPECT LOW MVFR
CONDITIONS TO PREVIAL LATER THIS AFTERNOON AND INTO THE
EVENING...PRIOR TO THE ONSET OF A SECOND ROUND OF SHRA/TSRA AND
DETERIORATION TO IFR LATE THIS EVENING. EXACT TIMING IS HARD TO
PIN DOWN...THUS HAVE MAINTAINED GENERAL TRENDS AND GONE WITH VCTS
IN THE TAF. CONDITIONS SHOULD IMPROVE TO MVFR WEDNESDAY
MORNING...PRIOR TO MORE POTENTIALLY WIDESPREAD SHRA/TSRA BEGINNING
LATE IN THE FORECAST PERIOD.
JP
&&
.LSX WATCHES/WARNINGS/ADVISORIES...
MO...FLASH FLOOD WATCH FROM THURSDAY MORNING THROUGH LATE THURSDAY
NIGHT FOR CRAWFORD MO-FRANKLIN MO-GASCONADE MO-JEFFERSON MO-
LINCOLN MO-ST. CHARLES MO-ST. LOUIS CITY MO-ST. LOUIS MO-
WARREN MO-WASHINGTON MO.
FLASH FLOOD WATCH FROM WEDNESDAY EVENING THROUGH THURSDAY
EVENING FOR AUDRAIN MO-BOONE MO-CALLAWAY MO-COLE MO-KNOX MO-
LEWIS MO-MARION MO-MONITEAU MO-MONROE MO-MONTGOMERY MO-
OSAGE MO-PIKE MO-RALLS MO-SHELBY MO.
IL...FLASH FLOOD WATCH FROM THURSDAY MORNING THROUGH LATE THURSDAY
NIGHT FOR BOND IL-CALHOUN IL-GREENE IL-JERSEY IL-MACOUPIN
IL-MADISON IL-MONROE IL-MONTGOMERY IL-ST. CLAIR IL.
FLASH FLOOD WATCH FROM WEDNESDAY EVENING THROUGH THURSDAY
EVENING FOR ADAMS IL-BROWN IL-PIKE IL.
&&
WFO LSXHazardous weather outlook, Apr 16, 4:28 PM CDT, 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 428 PM CDT TUE APR 16 2013 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-171145- GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO- LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO- AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO- ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO- WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO- MADISON MO-REYNOLDS MO- 428 PM CDT TUE APR 16 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TONIGHT THUNDERSTORMS ARE LIKELY...ESPECIALLY LATER TONIGHT...GENERALLY ALONG AND NORTH OF INTERSTATE 70. THE STRONGER STORMS WILL BE PRODUCING LARGE HAIL AS WELL AS POCKETS OF HEAVY RAIN. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THUNDERSTORMS REMAIN LIKELY FROM WEDNESDAY THROUGH THURSDAY EVENING. ON LATE WEDNESDAY NIGHT AND THURSDAY THERE IS POTENTIAL FOR SIGNIFICANT SEVERE WEATHER...AND POSSIBLY A SEVERE WEATHER OUTBREAK WITH NUMEROUS SEVERE THUNDERSTORMS CAPABLE OF LARGE HAIL...DAMAGING WINDS AND ISOLATED TORNADOES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY LATER TONIGHT FOR AREAS ALONG AND NORTH OF INTERSTATE 70. TRUETT
In the hours before
Local storm report, Apr 16, 11:30 AM CDT, 5 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 AM CDT TUE APR 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1124 AM HAIL MARTHASVILLE 38.63N 91.05W
04/16/2013 E0.70 INCH WARREN MO TRAINED SPOTTER
INITIALLY DIME SIZED...QUICKLY DOWN TO PEA SIZED.
&&
TRUETTLocal storm report, Apr 16, 11:31 AM CDT, 4 hours 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1131 AM CDT TUE APR 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1130 AM HAIL HARVESTER 38.75N 90.58W
04/16/2013 M0.50 INCH ST. CHARLES MO NWS EMPLOYEE
PEA TO MARBLE SIZE HAIL
&&
BRITTLocal storm report, Apr 16, 11:40 AM CDT, 4 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1140 AM CDT TUE APR 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1139 AM HAIL MARYLAND HEIGHTS 38.72N 90.48W
04/16/2013 M0.88 INCH ST. LOUIS MO TRAINED SPOTTER
&&
BRITTLocal storm report, Apr 16, 12:39 PM CDT, 3 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1239 PM CDT TUE APR 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1236 PM HAIL ALTON 38.90N 90.15W
04/16/2013 E0.25 INCH MADISON IL TRAINED SPOTTER
&&
GOSSELINSpecial weather statement, Apr 16, 12:43 PM CDT, 3 hours 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1243 PM CDT TUE APR 16 2013 ILZ059-100-161830- MACOUPIN IL-MADISON IL- 1243 PM CDT TUE APR 16 2013 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MADISON AND SOUTHERN MACOUPIN COUNTIES UNTIL 130 PM CDT... AT 1240 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR ALTON...MOVING NORTHEAST AT 40 MPH. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... BETHALTO... STAUNTON... GILLESPIE... ROXANA... DORSEY... PRAIRIETOWN... BUNKER HILL... WILSONVILLE... BENLD... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. BYRD
Local storm report, Apr 16, 2:55 PM CDT, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
255 PM CDT TUE APR 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0200 PM HEAVY RAIN COFFEEN 39.09N 89.39W
04/16/2013 M2.00 INCH MONTGOMERY IL TRAINED SPOTTER
MINOR FLOODING ON LOCAL CREEKS AND STREAMS...ABOUT 2
INCHES OF RAIN BETWEEN 11 AM AND 2 PM.
0200 PM FLOOD COFFEEN 39.09N 89.39W
04/16/2013 MONTGOMERY IL TRAINED SPOTTER
MINOR FLOODING ON LOCAL CREEKS AND STREAMS...ABOUT 2
INCHES OF RAIN BETWEEN 11 AM AND 2 PM.
&&
BYRDThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 10:33 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 27 min |
| Apr 15, 10:56 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Montgomery, Warren | 49 min |
| Apr 15, 11:29 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Warren | 46 min |
| Apr 15, 11:59 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 46 min |
| Apr 16, 6:56 AM CDT | River Flood Warning | LSX | Cole | 4 days |
| Apr 16, 9:08 AM CDT | Areal Flood Advisory | LSX | Boone | 6 hr |
| Apr 16, 11:12 AM CDT | River Flood Warning | LSX | Lincoln | 90 days |
| Apr 16, 12:32 PM CDT | River Flood Warning | LSX | Lincoln | 32 hr |
| Apr 16, 2:42 PM CDT | River Flood Warning | LSX | Saint Charles | 36 hr |
| Apr 16, 4:04 PM CDT | River Flood Warning | LSX | Lincoln | 32 days |
| Apr 16, 11:51 AM CDT | River Flood Warning | LSX | Calhoun, Greene, Jersey | 88 days |
Nearby
Flash Flood Watches in Missouri, 2013Flash Flood Watches in Illinois, 2013Every flash flood watch in 2013
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.