Alert archive / Missouri / Flash Flood Watches in 2011
Flash Flood Watch 3, NWS Springfield, MO
NWS Springfield, MO issued this flash flood watch at May 20, 2011, 11:05 AM CDT for 34 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It was in force for 40 hr.
The area
The counties it named.
The facts
- Issued
- May 20, 2011, 11:05 AM CDT (16:05 UTC)
- Expired
- May 22, 2011, 2:39 AM CDT
- In force
- 40 hr
- Issued by
- NWS Springfield, MO
- Flood severity
- None
All 37 counties
Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 30 km from the middle of the area, began a volume at 16:07 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.1 hours before the alert went out and 82 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
- 537 J/kg
- Mixed-layer CIN
- -280 J/kg
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 222 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
190 WGUS63 KSGF 201605 FFASGF URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 1105 AM CDT FRI MAY 20 2011 ...HEAVY RAINFALL MAY PRODUCE FLASH FLOODING... .SEVERAL ROUNDS OF THUNDERSTORMS WITH HEAVY RAINFALL AREA EXPECTED THROUGH SATURDAY MORNING. THE GROUND REMAINS FAIRLY SATURATED FROM RECENT HEAVY RAINS AND ADDITIONAL HEAVY RAIN WOULD LIKELY LEAD TO FLASH FLOODING AND RIVER FLOODING. KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-210015- /O.NEW.KSGF.FF.A.0003.110520T1605Z-110521T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- INCLUDING THE CITIES OF...FORT SCOTT...PITTSBURG... BAXTER SPRINGS...COLUMBUS...WARSAW...COLE CAMP...VERSAILLES... ELDON...LAKE OZARK...VIENNA...NEVADA...APPLETON CITY...OSCEOLA... HERMITAGE...OSAGE BEACH...CAMDENTON...FORT LEONARD WOOD... WAYNESVILLE...ROLLA...LAMAR...EL DORADO SPRINGS...STOCKTON... BOLIVAR...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...JOPLIN... CARTHAGE...GREENFIELD...SPRINGFIELD...MARSHFIELD...ROGERSVILLE... MOUNTAIN GROVE...MANSFIELD...NEOSHO...AURORA...MOUNT VERNON... NIXA...OZARK...AVA...WEST PLAINS...WINONA...EMINENCE...ANDERSON... PINEVILLE...MONETT...CASSVILLE...KIMBERLING CITY...GALENA... BRANSON...FORSYTH...GAINESVILLE...THEODOSIA...THAYER...ALTON 1105 AM CDT FRI MAY 20 2011 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST KANSAS AND MISSOURI...INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST KANSAS...BOURBON...CHEROKEE AND CRAWFORD. IN MISSOURI... BARRY...BARTON...BENTON...CAMDEN...CEDAR...CHRISTIAN...DADE... DALLAS...DENT...DOUGLAS...GREENE...HICKORY...HOWELL... JASPER...LACLEDE...LAWRENCE...MARIES...MCDONALD...MILLER... MORGAN...NEWTON...OREGON...OZARK...PHELPS...POLK...PULASKI... SHANNON...ST. CLAIR...STONE...TANEY...TEXAS...VERNON... WEBSTER AND WRIGHT. * THROUGH SATURDAY AFTERNOON * SEVERAL ROUNDS OF THUNDERSTORMS WITH HEAVY RAINFALL WILL OCCUR ACROSS THE MISSOURI OZARKS AND SOUTHEAST KANSAS THROUGH SATURDAY MORNING. HIGH RAINFALL RATES AND TRAINING OF STORMS WILL LIKELY LEAD TO SOME FLASH FLOODING ACROSS PORTIONS OF THE MISSOURI OZARKS AND SOUTHEAST KANSAS DURING THIS TIME PERIOD. WIDESPREAD ONE TO TWO INCHES OF RAINFALL IS EXPECTED WITH LOCALIZED HIGHER AMOUNTS EXPECTED IN AREAS WHICH CAN RECEIVE MULTIPLE ROUNDS OF HEAVY RAIN. THIS WILL LIKELY LEAD TO FLASH FLOODING. * LOW LYING AREAS NEAR CREEKS AND STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ LINDENBERG
7 follow-up statements
896 WGUS63 KSGF 210007 FFASGF FLOOD WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 707 PM CDT FRI MAY 20 2011 ...HEAVY RAINFALL MAY PRODUCE FLASH FLOODING... .ADDITIONAL SHOWERS AND THUNDERSTORMS TONIGHT AND POSSIBLY INTO SATURDAY MAY RESULT IN LOCALIZED FLASH FLOODING AND THE POTENTIAL OF RIVER FLOODING. KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-211800- /O.CON.KSGF.FF.A.0003.000000T0000Z-110521T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- INCLUDING THE CITIES OF...FORT SCOTT...PITTSBURG... BAXTER SPRINGS...COLUMBUS...WARSAW...COLE CAMP...VERSAILLES... ELDON...LAKE OZARK...VIENNA...NEVADA...APPLETON CITY...OSCEOLA... HERMITAGE...OSAGE BEACH...CAMDENTON...FORT LEONARD WOOD... WAYNESVILLE...ROLLA...LAMAR...EL DORADO SPRINGS...STOCKTON... BOLIVAR...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...JOPLIN... CARTHAGE...GREENFIELD...SPRINGFIELD...MARSHFIELD...ROGERSVILLE... MOUNTAIN GROVE...MANSFIELD...NEOSHO...AURORA...MOUNT VERNON... NIXA...OZARK...AVA...WEST PLAINS...WINONA...EMINENCE...ANDERSON... PINEVILLE...MONETT...CASSVILLE...KIMBERLING CITY...GALENA... BRANSON...FORSYTH...GAINESVILLE...THEODOSIA...THAYER...ALTON 707 PM CDT FRI MAY 20 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST KANSAS AND MISSOURI...INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST KANSAS...BOURBON...CHEROKEE AND CRAWFORD. IN MISSOURI...BARRY...BARTON...BENTON... CAMDEN...CEDAR...CHRISTIAN...DADE...DALLAS...DENT...DOUGLAS... GREENE...HICKORY...HOWELL...JASPER...LACLEDE...LAWRENCE... MARIES...MCDONALD...MILLER...MORGAN...NEWTON...OREGON... OZARK...PHELPS...POLK...PULASKI...SHANNON...ST. CLAIR... STONE...TANEY...TEXAS...VERNON...WEBSTER AND WRIGHT. * THROUGH SATURDAY AFTERNOON * ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL WILL IMPACT SOUTHERN MISSOURI THIS EVENING WITH ADDITIONAL RAINFALL POSSIBLE INTO SATURDAY. ADDITIONAL RAINFALL AMOUNTS IN EXCESS OF AN INCH WILL BE POSSIBLE. HEAVY RAINFALL ON ALREADY SATURATED SOIL COULD LEAD TO FLASH FLOODING AS WELL AS RIVER FLOODING. * LOW LYING AREAS NEAR CREEKS AND STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING. THOSE CAMPING OR FLOATING ON AREA RIVERS SHOULD CLOSELY MONITOR RIVER LEVELS AND BE PREPARED TO SEEK HIGHER GROUND. THE ARMY CORP OF ENGINEERS ANNOUNCED THAT RELEASES FROM BEAVER AND TABLE ROCK LAKES MAY BE INCREASED AS A RESULT OF ADDITIONAL HEAVY RAINFALL. THOSE DOWN STREAM FROM THESE DAMS INCLUDING LAKE TANEYCOMO SHOULD BE PREPARED TO TAKE PROPER ACTION IF INCREASED RELEASES ARE REQUIRED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ FOSTER
103 WGUS63 KSGF 210844 FFASGF URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 344 AM CDT SAT MAY 21 2011 ...HEAVY RAINFALL MAY PRODUCE FLASH FLOODING... .AN ADDITIONAL ROUND OF RAIN AND THUNDERSTORMS WILL BE POSSIBLE FROM LATE THIS AFTERNOON THROUGH THE OVERNIGHT HOURS. WITH THE GROUND IN MANY LOCATIONS ALREADY SATURATED...THIS ADDITIONAL RAINFALL WILL LIKELY RESULT IN FLASH FLOODING IN SOME LOCATIONS. LOW WATER CROSSINGS AND OTHER FLOOD PRONE AREAS WILL BE ESPECIALLY SUSCEPTIBLE. KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-211645- /O.EXT.KSGF.FF.A.0003.000000T0000Z-110522T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- INCLUDING THE CITIES OF...FORT SCOTT...PITTSBURG... BAXTER SPRINGS...COLUMBUS...WARSAW...COLE CAMP...VERSAILLES... ELDON...LAKE OZARK...VIENNA...NEVADA...APPLETON CITY...OSCEOLA... HERMITAGE...OSAGE BEACH...CAMDENTON...FORT LEONARD WOOD... WAYNESVILLE...ROLLA...LAMAR...EL DORADO SPRINGS...STOCKTON... BOLIVAR...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...JOPLIN... CARTHAGE...GREENFIELD...SPRINGFIELD...MARSHFIELD...ROGERSVILLE... MOUNTAIN GROVE...MANSFIELD...NEOSHO...AURORA...MOUNT VERNON... NIXA...OZARK...AVA...WEST PLAINS...WINONA...EMINENCE...ANDERSON... PINEVILLE...MONETT...CASSVILLE...KIMBERLING CITY...GALENA... BRANSON...FORSYTH...GAINESVILLE...THEODOSIA...THAYER...ALTON 344 AM CDT SAT MAY 21 2011 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY MORNING... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF SOUTHEAST KANSAS AND MISSOURI...INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST KANSAS...BOURBON...CHEROKEE AND CRAWFORD. IN MISSOURI...BARRY...BARTON...BENTON... CAMDEN...CEDAR...CHRISTIAN...DADE...DALLAS...DENT...DOUGLAS... GREENE...HICKORY...HOWELL...JASPER...LACLEDE...LAWRENCE... MARIES...MCDONALD...MILLER...MORGAN...NEWTON...OREGON... OZARK...PHELPS...POLK...PULASKI...SHANNON...ST. CLAIR... STONE...TANEY...TEXAS...VERNON...WEBSTER AND WRIGHT. * THROUGH SUNDAY MORNING. * ADDITIONAL RAINFALL WILL BE POSSIBLE FROM LATE THIS AFTERNOON AND TONIGHT AS MORE THUNDERSTORMS MOVE ACROSS THE AREA. HEAVY RAINFALL ON ALREADY SATURATED SOIL COULD LEAD TO FLASH FLOODING AS WELL AS RIVER FLOODING. * LOW LYING AREAS NEAR CREEKS AND STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING. THOSE CAMPING OR FLOATING ON AREA RIVERS SHOULD CLOSELY MONITOR RIVER LEVELS AND BE PREPARED TO SEEK HIGHER GROUND. THE ARMY CORPS OF ENGINEERS ANNOUNCED THAT RELEASES FROM BEAVER AND TABLE ROCK LAKES MAY BE INCREASED AS A RESULT OF ADDITIONAL HEAVY RAINFALL. THOSE DOWN STREAM FROM THESE DAMS INCLUDING LAKE TANEYCOMO SHOULD BE PREPARED TO TAKE PROPER ACTION IF INCREASED RELEASES ARE REQUIRED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ BOXELL
156 WGUS63 KSGF 211452 FFASGF FLOOD WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 952 AM CDT SAT MAY 21 2011 ...HEAVY RAINFALL MAY PRODUCE FLASH FLOODING... .AN ADDITIONAL ROUND OF RAIN AND THUNDERSTORMS WILL BE POSSIBLE FROM LATE THIS AFTERNOON THROUGH THE OVERNIGHT HOURS. WITH THE GROUND IN MANY LOCATIONS ALREADY SATURATED...THIS ADDITIONAL RAINFALL WILL LIKELY RESULT IN FLASH FLOODING IN SOME LOCATIONS. LOW WATER CROSSINGS AND OTHER FLOOD PRONE AREAS WILL BE ESPECIALLY SUSCEPTIBLE. KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-212300- /O.CON.KSGF.FF.A.0003.000000T0000Z-110522T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- INCLUDING THE CITIES OF...FORT SCOTT...PITTSBURG... BAXTER SPRINGS...COLUMBUS...WARSAW...COLE CAMP...VERSAILLES... ELDON...LAKE OZARK...VIENNA...NEVADA...APPLETON CITY...OSCEOLA... HERMITAGE...OSAGE BEACH...CAMDENTON...FORT LEONARD WOOD... WAYNESVILLE...ROLLA...LAMAR...EL DORADO SPRINGS...STOCKTON... BOLIVAR...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...JOPLIN... CARTHAGE...GREENFIELD...SPRINGFIELD...MARSHFIELD...ROGERSVILLE... MOUNTAIN GROVE...MANSFIELD...NEOSHO...AURORA...MOUNT VERNON... NIXA...OZARK...AVA...WEST PLAINS...WINONA...EMINENCE...ANDERSON... PINEVILLE...MONETT...CASSVILLE...KIMBERLING CITY...GALENA... BRANSON...FORSYTH...GAINESVILLE...THEODOSIA...THAYER...ALTON 952 AM CDT SAT MAY 21 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST KANSAS AND MISSOURI...INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST KANSAS...BOURBON...CHEROKEE AND CRAWFORD. IN MISSOURI...BARRY...BARTON...BENTON... CAMDEN...CEDAR...CHRISTIAN...DADE...DALLAS...DENT...DOUGLAS... GREENE...HICKORY...HOWELL...JASPER...LACLEDE...LAWRENCE... MARIES...MCDONALD...MILLER...MORGAN...NEWTON...OREGON... OZARK...PHELPS...POLK...PULASKI...SHANNON...ST. CLAIR... STONE...TANEY...TEXAS...VERNON...WEBSTER AND WRIGHT. * THROUGH SUNDAY MORNING * ADDITIONAL RAINFALL WILL BE POSSIBLE FROM LATE THIS AFTERNOON AND TONIGHT AS MORE THUNDERSTORMS MOVE ACROSS THE AREA. HEAVY RAINFALL ON ALREADY SATURATED SOIL COULD LEAD TO FLASH FLOODING AS WELL AS RIVER FLOODING. * LOW LYING AREAS NEAR CREEKS AND STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING. THOSE CAMPING OR FLOATING ON AREA RIVERS SHOULD CLOSELY MONITOR RIVER LEVELS AND BE PREPARED TO SEEK HIGHER GROUND. THE ARMY CORPS OF ENGINEERS ANNOUNCED THAT RELEASES FROM BEAVER AND TABLE ROCK LAKES MAY BE INCREASED AS A RESULT OF ADDITIONAL HEAVY RAINFALL. THOSE DOWN STREAM FROM THESE DAMS INCLUDING LAKE TANEYCOMO SHOULD BE PREPARED TO TAKE PROPER ACTION IF INCREASED RELEASES ARE REQUIRED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ GRIFFIN
866 WGUS63 KSGF 212016 FFASGF FLOOD WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 316 PM CDT SAT MAY 21 2011 ...HEAVY RAINFALL MAY PRODUCE FLASH FLOODING... .AN ADDITIONAL ROUND OF RAIN AND THUNDERSTORMS WILL BE POSSIBLE FROM LATE THIS AFTERNOON THROUGH THE OVERNIGHT HOURS. WITH THE GROUND IN MANY LOCATIONS ALREADY SATURATED...THIS ADDITIONAL RAINFALL WILL LIKELY RESULT IN FLASH FLOODING IN SOME LOCATIONS. LOW WATER CROSSINGS AND OTHER FLOOD PRONE AREAS WILL BE ESPECIALLY SUSCEPTIBLE. KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-220430- /O.CON.KSGF.FF.A.0003.000000T0000Z-110522T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- INCLUDING THE CITIES OF...FORT SCOTT...PITTSBURG... BAXTER SPRINGS...COLUMBUS...WARSAW...COLE CAMP...VERSAILLES... ELDON...LAKE OZARK...VIENNA...NEVADA...APPLETON CITY...OSCEOLA... HERMITAGE...OSAGE BEACH...CAMDENTON...FORT LEONARD WOOD... WAYNESVILLE...ROLLA...LAMAR...EL DORADO SPRINGS...STOCKTON... BOLIVAR...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...JOPLIN... CARTHAGE...GREENFIELD...SPRINGFIELD...MARSHFIELD...ROGERSVILLE... MOUNTAIN GROVE...MANSFIELD...NEOSHO...AURORA...MOUNT VERNON... NIXA...OZARK...AVA...WEST PLAINS...WINONA...EMINENCE...ANDERSON... PINEVILLE...MONETT...CASSVILLE...KIMBERLING CITY...GALENA... BRANSON...FORSYTH...GAINESVILLE...THEODOSIA...THAYER...ALTON 316 PM CDT SAT MAY 21 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST KANSAS AND MISSOURI...INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST KANSAS...BOURBON...CHEROKEE AND CRAWFORD. IN MISSOURI...BARRY...BARTON...BENTON... CAMDEN...CEDAR...CHRISTIAN...DADE...DALLAS...DENT...DOUGLAS... GREENE...HICKORY...HOWELL...JASPER...LACLEDE...LAWRENCE... MARIES...MCDONALD...MILLER...MORGAN...NEWTON...OREGON... OZARK...PHELPS...POLK...PULASKI...SHANNON...ST. CLAIR... STONE...TANEY...TEXAS...VERNON...WEBSTER AND WRIGHT. * THROUGH SUNDAY MORNING * ADDITIONAL RAINFALL WILL BE POSSIBLE FROM LATE THIS AFTERNOON AND TONIGHT AS MORE THUNDERSTORMS MOVE ACROSS THE AREA. HEAVY RAINFALL ON ALREADY SATURATED SOIL COULD LEAD TO FLASH FLOODING AS WELL AS RIVER FLOODING. * LOW LYING AREAS NEAR CREEKS AND STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING. THOSE CAMPING OR FLOATING ON AREA RIVERS SHOULD CLOSELY MONITOR RIVER LEVELS AND BE PREPARED TO SEEK HIGHER GROUND. THE ARMY CORPS OF ENGINEERS ANNOUNCED THAT RELEASES FROM BEAVER AND TABLE ROCK LAKES MAY BE INCREASED AS A RESULT OF ADDITIONAL HEAVY RAINFALL. THOSE DOWN STREAM FROM THESE DAMS INCLUDING LAKE TANEYCOMO SHOULD BE PREPARED TO TAKE PROPER ACTION IF INCREASED RELEASES ARE REQUIRED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ LINDENBERG
211 WGUS63 KSGF 220107 FFASGF FLOOD WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 807 PM CDT SAT MAY 21 2011 ...LOCALIZED HEAVY RAINFALL MAY PRODUCE FLASH FLOODING... .SCATTERED THUNDERSTORMS MAY IMPACT THE AREA TONIGHT...BUT THE RISK OF WIDESPREAD HEAVY RAINFALL IS DECREASING. KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-221200- /O.CON.KSGF.FF.A.0003.000000T0000Z-110522T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- INCLUDING THE CITIES OF...FORT SCOTT...PITTSBURG... BAXTER SPRINGS...COLUMBUS...WARSAW...COLE CAMP...VERSAILLES... ELDON...LAKE OZARK...VIENNA...NEVADA...APPLETON CITY...OSCEOLA... HERMITAGE...OSAGE BEACH...CAMDENTON...FORT LEONARD WOOD... WAYNESVILLE...ROLLA...LAMAR...EL DORADO SPRINGS...STOCKTON... BOLIVAR...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...JOPLIN... CARTHAGE...GREENFIELD...SPRINGFIELD...MARSHFIELD...ROGERSVILLE... MOUNTAIN GROVE...MANSFIELD...NEOSHO...AURORA...MOUNT VERNON... NIXA...OZARK...AVA...WEST PLAINS...WINONA...EMINENCE...ANDERSON... PINEVILLE...MONETT...CASSVILLE...KIMBERLING CITY...GALENA... BRANSON...FORSYTH...GAINESVILLE...THEODOSIA...THAYER...ALTON 807 PM CDT SAT MAY 21 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT SUNDAY... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST KANSAS AND MISSOURI...INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST KANSAS...BOURBON...CHEROKEE AND CRAWFORD. IN MISSOURI...BARRY...BARTON...BENTON... CAMDEN...CEDAR...CHRISTIAN...DADE...DALLAS...DENT...DOUGLAS... GREENE...HICKORY...HOWELL...JASPER...LACLEDE...LAWRENCE... MARIES...MCDONALD...MILLER...MORGAN...NEWTON...OREGON... OZARK...PHELPS...POLK...PULASKI...SHANNON...ST. CLAIR... STONE...TANEY...TEXAS...VERNON...WEBSTER AND WRIGHT. * UNTIL 7 AM CDT SUNDAY * SCATTERED THUNDERSTORMS MAY BRING LOCALIZED HEAVY RAINFALL TO THE AREA TONIGHT. WHILE WIDESPREAD HEAVY RAINFALL IS NOT EXPECTED...ANY HEAVY RAIN ON ALREADY SATURATED SOIL COULD LEAD TO FLASH FLOODING AS WELL AS RIVER FLOODING. * LOW LYING AREAS NEAR CREEKS AND STREAMS...AND LOW WATER CROSSINGS WILL BE ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING. THOSE CAMPING OR FLOATING ON AREA RIVERS SHOULD CLOSELY MONITOR RIVER LEVELS AND BE PREPARED TO SEEK HIGHER GROUND. THE ARMY CORPS OF ENGINEERS ANNOUNCED THAT RELEASES FROM BEAVER AND TABLE ROCK LAKES MAY BE INCREASED AS A RESULT OF ADDITIONAL HEAVY RAINFALL. THOSE DOWN STREAM FROM THESE DAMS INCLUDING LAKE TANEYCOMO SHOULD BE PREPARED TO TAKE PROPER ACTION IF INCREASED RELEASES ARE REQUIRED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ FOSTER
866 WGUS63 KSGF 220251 FFASGF FLOOD WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 951 PM CDT SAT MAY 21 2011 KSZ097-101-MOZ070-071-077-079>083-088>098-101>106-220400- /O.CAN.KSGF.FF.A.0003.000000T0000Z-110522T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CRAWFORD-CHEROKEE-PULASKI-PHELPS-BARTON-POLK-DALLAS-LACLEDE-TEXAS- DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-LAWRENCE-CHRISTIAN- DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE-TANEY-OZARK-OREGON- INCLUDING THE CITIES OF...PITTSBURG...BAXTER SPRINGS...COLUMBUS... FORT LEONARD WOOD...WAYNESVILLE...ROLLA...LAMAR...BOLIVAR... BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...JOPLIN... CARTHAGE...GREENFIELD...SPRINGFIELD...MARSHFIELD...ROGERSVILLE... MOUNTAIN GROVE...MANSFIELD...NEOSHO...AURORA...MOUNT VERNON... NIXA...OZARK...AVA...WEST PLAINS...WINONA...EMINENCE...ANDERSON... PINEVILLE...MONETT...CASSVILLE...KIMBERLING CITY...GALENA... BRANSON...FORSYTH...GAINESVILLE...THEODOSIA...THAYER...ALTON 951 PM CDT SAT MAY 21 2011 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST KANSAS AND SOUTHERN MISSOURI HAS BEEN CANCELLED. THE POTENTIAL FOR THUNDERSTORMS AND HEAVY RAINFALL...AND RESULTING FLOODING HAS DECREASED TONIGHT. $$ KSZ073-MOZ055>058-066>069-078-221200- /O.CON.KSGF.FF.A.0003.000000T0000Z-110522T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOURBON-BENTON-MORGAN-MILLER-MARIES-VERNON-ST. CLAIR-HICKORY- CAMDEN-CEDAR- INCLUDING THE CITIES OF...FORT SCOTT...WARSAW...COLE CAMP... VERSAILLES...ELDON...LAKE OZARK...VIENNA...NEVADA... APPLETON CITY...OSCEOLA...HERMITAGE...OSAGE BEACH...CAMDENTON... EL DORADO SPRINGS...STOCKTON 951 PM CDT SAT MAY 21 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT SUNDAY... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST KANSAS AND MISSOURI...INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST KANSAS...BOURBON. IN MISSOURI...BENTON...CAMDEN...CEDAR...HICKORY...MARIES... MILLER...MORGAN...ST. CLAIR AND VERNON. * UNTIL 7 AM CDT SUNDAY * SCATTERED THUNDERSTORMS MAY BRING LOCALIZED HEAVY RAINFALL TO CENTRAL MISSOURI AND EXTREME SOUTHEAST KANSAS TONIGHT. WHILE WIDESPREAD HEAVY RAINFALL IS NOT EXPECTED...ANY HEAVY RAIN ON ALREADY SATURATED SOIL COULD LEAD TO FLASH FLOODING. * LOW LYING AREAS NEAR CREEKS AND STREAMS...AND LOW WATER CROSSINGS WILL BE ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ FOSTER
661 WGUS63 KSGF 220739 FFASGF FLOOD WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 239 AM CDT SUN MAY 22 2011 KSZ073-MOZ055>058-066>069-078-220845- /O.CAN.KSGF.FF.A.0003.000000T0000Z-110522T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOURBON-BENTON-MORGAN-MILLER-MARIES-VERNON-ST. CLAIR-HICKORY- CAMDEN-CEDAR- INCLUDING THE CITIES OF...FORT SCOTT...WARSAW...COLE CAMP... VERSAILLES...ELDON...LAKE OZARK...VIENNA...NEVADA... APPLETON CITY...OSCEOLA...HERMITAGE...OSAGE BEACH...CAMDENTON... EL DORADO SPRINGS...STOCKTON 239 AM CDT SUN MAY 22 2011 ...FLASH FLOOD WATCH IS CANCELED... THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST KANSAS AND MISSOURI HAS BEEN CANCELED. THUNDERSTORMS THAT WERE EXPECTED DURING THE DAY ON SATURDAY AND SATURDAY NIGHT DID NOT MATERIALIZE...RESULTING IN NO ADDITIONAL FLOODING. THOUGH ADDITIONAL STORMS ARE POSSIBLE LATER THIS AFTERNOON AND TONIGHT...ANY FLOODING THAT DOES OCCUR IS EXPECTED TO BE VERY LOCALIZED IN NATURE. $$ BOXELL
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 Springfield, MO wrote its last area forecast discussion before this flash flood watch went out at May 20, 6:34 AM CDT, 4 hours 31 minutes earlier.
Area forecast discussion, May 20, 6:34 AM CDT, 4 hours 31 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPRINGFIELD MO 634 AM CDT FRI MAY 20 2011 ...UPDATE TO AVIATION... .UPDATE... LOW LEVEL JET CONTINUES TO VEER SLIGHTLY AND LOW LEVEL UPGLIDE IS RESULTING IN AN EXPANDED AREA OF SHOWERS AND STORMS ACROSS EASTERN OKLAHOMA AHEAD OF WHAT IS BECOMING AN OUTFLOW DOMINATE LINE OF STORMS EXITING CENTRAL OKLAHOMA. SHOULD CONTINUE TO SEE SCATTERED SHOWERS AND STORMS CONTINUE ON THE NOSE OF THE LOW LEVEL JET INTO THE MORNING HOURS. DECAYING LINE OF STORMS WILL ALSO ENTER WESTERN PORTIONS OF THE AREA WITH TIME...THOUGH CONTINUE TO LOSE ITS PUNCH AS IT GETS FURTHER AND FURTHER DISPLACED FROM BETTER UPPER SUPPORT. IN GENERAL...THINKING THAT AREAS ALONG AND WEST OF THE HIGHWAY 65 CORRIDOR WILL BE MOST PRONE TO OBSERVING SHOWERS AND STORMS THIS MORNING. MUCH OF THE REST OF THE DAY WILL GREATLY DEPEND ON HOW QUICKLY EARLY DAY STORMS DISSIPATE. THIS WILL HAVE GREAT INFLUENCE ON AVAILABLE INSTABILITY AS YET ANOTHER AREA OF STORMS GEARS UP TO OUR WEST LATER THIS AFTERNOON. GAGAN && .DISCUSSION... QUITE CHALLENGING AND VERY LOW CONFIDENCE FORECAST IN STORE FOR THE COMING WEEK...AS MESSY AND COMPLEX PATTERN CONTINUES OVER THE REGION. EARLY THIS MORNING...LARGE UPPER LEVEL LOWS CONTINUE TO SPIN ACROSS THE INTERMOUNTAIN WEST AND MID ATLANTIC REGION...WITH SOUTHERLY FLOW REMAINING ENTRENCHED OVER THE OZARKS. CONVECTION THAT FIRED THURSDAY EVENING FROM NEBRASKA TO TEXAS REMAINS SUPPORTED EARLY THIS MORNING BY BROAD 40-50 KT LOW LEVEL JET OVER THE CENTRAL PLAINS. BEST FORECAST FOR THIS CONVECTION IS FOR IT TO CONTINUE EAST THIS MORNING AS THE LLJ VEERS A BIT...WITH LARGE MCS TRAVERSING THE OZARKS DURING THE LATTER HALF OF THE MORNING INTO AFTERNOON. RIGHT NOW...DON'T THINK THAT THE SEVERE THREAT IS TOO HIGH WITH THIS INITIAL COMPLEX OF STORMS...WITH BULK SHEAR VALUES REMAINING SOMEWHAT MEAGER OVER THE AREA...AND CONVECTION LIKELY REMAINING ELEVATED. BY EARLY THIS AFTERNOON...DRYLINE SHOULD PARK ITSELF ACROSS THE I-35 CORRIDOR...AS A STRONG SHORTWAVE CURRENTLY OVER THE FOUR CORNERS REGION SLOWLY EJECTS EAST OVER THE PLAINS. DRYLINE SHOULD SERVE TO FOCUS ADDITIONAL CONVECTIVE DEVELOPMENT AS LARGE SCALE LIFT AHEAD OF AFOREMENTIONED SHORTWAVE INCREASES OVER CENTRAL KANSAS AND OKLAHOMA. RIGHT NOW...EXACT EVOLUTION AND STRENGTH OF THIS CONVECTION REMAINS VERY MUCH IN QUESTION...WITH MUCH OF THE EVENTUAL SCENARIO HINGING ON HOW CONVECTION EVOLVES THIS MORNING...AND AIRMASS RECOVERY (OR LACK THEREOF) BEHIND THIS MORNING'S MCS(S). IF ADDITIONAL DESTABILIZATION CAN BE REALIZED ALONG/AHEAD OF THE DRYLINE...THEN SEVERE CONVECTION APPEARS PROBABLE OVER KANSAS...AS 40 TO 50 KTS OF 0-6 KM BULK SHEAR WILL BE SUFFICIENT FOR ORGANIZATION INTO LINE SEGMENTS/EMBEDDED BOWING STRUCTURES. FOR THE SGF CWA...THINK THAT IF STRONG/SEVERE STORMS DEVELOP OVER CENTRAL KANSAS...THEY WILL BE ABLE TO MAINTAIN THEMSELVES INTO THE FAR WESTERN CWA/U.S. 71 CORRIDOR. THE MAIN THREATS WITH ANY SEVERE WEATHER THAT DOES OCCUR ARE EXPECTED TO BE STRAIGHT LINE WINDS AND HAIL. FURTHER EAST INTO THE CENTRAL AND EASTERN OZARKS...SUSPECT THAT BULK SHEAR WILL REMAIN A BIT LOW TO MAINTAIN THE SEVERE THREAT THAT FAR EAST LATE TONIGHT/OVERNIGHT. NONETHELESS...EVEN IF STORMS ARE SUB-SEVERE...THE ENTIRE CWA WILL HAVE A DECENT SHOT FOR SUBSTANTIAL RAINFALL...AS LATE NIGHT LLJ WILL CONTINUE TO FEED RICH TROPICAL AIR INTO ANY CONVECTION OVER THE REGION. AS ALLUDED TO ABOVE...OTHER PRIMARY CONCERN IS HEAVY RAIN/FLASH FLOOD POTENTIAL TONIGHT/THRU THE WEEKEND. WITH PWAT VALUES WELL ABOVE THE CLIMATOLOGICAL AVERAGE...POTENTIAL IS CERTAINLY THERE FOR FLOOD POTENTIAL OVER THE NEXT FEW DAYS. ONLY REMAINING QUESTIONS ON QPF REMAINS FORCING MECHANISMS AND MESOSCALE EVOLUTION OF CONVECTIVE COMPLEXES. UNFORTUNATELY FOR THOSE IN THE FORECASTING BUSINESS...SUCH DETAILS REMAIN VERY MURKY AT THIS DISTANCE. HEADING INTO SATURDAY...ANY NOCTURNAL MCS ACTIVITY SHOULD BE ON ITS WAY EAST OF THE AREA. ADDITIONAL CONVECTION IS POSSIBLE DURING THE DAY OVER THE CWA...THOUGH CHANCES AGAIN REMAIN CONDITIONAL BASED ON DEGREE OF DESTABILIZATION THAT CAN OCCUR. THINK THAT THERE WILL BE SOME SEVERE THREAT FOR THIS TIME PERIOD...WITH STRONG WINDS AND PERHAPS SOME HAIL OCCURRING WITH THE STRONGEST CONVECTION. AGAIN...THOUGH...SEVERE THREAT REMAINS HIGHLY CONDITIONAL ON DEGREE AND AREAL EXTENT OF DESTABILIZATION. SUNDAY LOOKS TO BE THE BEST CHANCE FOR THE REGION TO BRIEFLY DRY OUT...AS THE BULK OF THE UPPER LEVEL ENERGY LIFTS NORTH OF THE AREA. RICH MOISTURE WILL REMAIN IN PLACE...HOWEVER...AND EXPECT TO SEE MORE RAIN/THUNDER DEVELOP INTO MONDAY AND MONDAY EVENING AND ON TUESDAY...AS ANOTHER SHORTWAVE MOVES EAST FROM THE ROCKIES. FINAL SHORTWAVE PROGGED TO APPROACH THE AREA BY NEXT WEDNESDAY AND THURSDAY...AND WILL NEED TO WATCH SEVERE WEATHER CHANCES WITH THIS FEATURE AS WE HEAD INTO NEXT WEEK. STILL FAR TOO EARLY TO NAIL DOWN THE SPECIFICS...BUT BOTH THE GFS AND ECMWF ARE SUGGESTIVE OF A SYNOPTIC PATTERN CONDUCIVE TO ANOTHER ROUND OF THUNDERSTORMS. BOXELL && .AVIATION... /ISSUED 634 AM CDT FRI MAY 20 2011/ FOR THE 12Z TAF PACKAGE...PRIMARY FORECAST CONCERN DEALS WITH THUNDERSTORM CHANCES THROUGH THE TAF CYCLE. SCATTERED NATURE OF SHRA/TSRA ACTIVITY MAKES IT TOUGH TO PINPOINT TIMING...HOWEVER SHOULD SEE AN INCREASE IN COVERAGE FROM WEST TO EAST AFFECTING JLN/SGF/BBG BY...ROUGHLY...THE MID MORNING HOURS. MVFR VIS/CIG WILL ACCOMPANY ACTIVITY THIS MORNING...THOUGH CONDITIONS WILL BE VARIABLE. ADDITIONAL SHRA/TSRA DEVELOPMENT IS EXPECTED ACROSS KANSAS LATER THIS AFTERNOON. THERE IS A RISK FOR THIS ACTIVITY TO ENTER THE REGION THIS EVENING AND HAVE HANDLED WITH A TEMPO GROUP AT EACH SITE FOR NOW. GAGAN && .SGF WATCHES/WARNINGS/ADVISORIES... MO...NONE. KS...NONE. &&
Hazardous weather outlook, May 20, 5:50 AM CDT, 5 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPRINGFIELD MO 550 AM CDT FRI MAY 20 2011 KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-211100- BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- 550 AM CDT FRI MAY 20 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI OZARKS AND EXTREME SOUTHEAST KANSAS. .DAY ONE...TODAY AND TONIGHT. THE HAZARDOUS WEATHER RISK LEVEL IS...SIGNIFICANT. WEATHER HAZARDS EXPECTED... LIMITED TORNADO RISK. ELEVATED HAIL RISK. ELEVATED THUNDERSTORM WIND DAMAGE RISK. LIMITED FLOODING RISK. SIGNIFICANT LIGHTNING RISK. DISCUSSION... SEVERAL ROUNDS OF THUNDERSTORMS WILL BE POSSIBLE FROM THE DAYTIME HOURS TODAY THROUGH TONIGHT. THE BEST CHANCE FOR SEVERE WEATHER APPEARS TO BE LATER THIS EVENING INTO THE OVERNIGHT HOURS ALONG AND WEST OF U.S. 71 AS STRONG STORMS MOVE EAST FROM CENTRAL KANSAS. THE PRIMARY THREAT WITH ANY SEVERE STORMS WILL BE HAIL TO THE SIZE OF QUARTERS AND WINDS IN EXCESS OF 60 MPH...THOUGH AN ISOLATED TORNADO CAN NOT BE RULED OUT. MULTIPLE ROUNDS OF THUNDERSTORMS WILL RESULT IN THE POTENTIAL FOR HEAVY RAIN...ESPECIALLY WHERE MULTIPLE STORMS MOVE OVER THE SAME LOCATION. LOCALIZED FLASH FLOODING WILL BE POSSIBLE...ESPECIALLY FOR LOW WATER CROSSINGS AND OTHER FLOOD PRONE AREAS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE NEARLY EVERY DAY THROUGH THE EXTENDED OUTLOOK PERIOD. STRONG TO SEVERE STORMS MAY OCCUR SATURDAY AND POSSIBLY AGAIN ON SUNDAY...WITH STRAIGHT LINE WINDS AND LARGE HAIL REMAINING THE PRIMARY HAZARDS. DAILY CHANCES FOR THUNDERSTORMS WILL RESULT IN A RISK FOR FLASH FLOODING...AS WELL AS RISES ON AREA RIVERS. FLOODING POTENTIAL WILL BE MAXIMIZED FOR THOSE LOCATIONS THAT EXPERIENCE MULTIPLE ROUNDS OF THUNDERSTORMS IN A SHORT PERIOD OF TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATER THIS AFTERNOON THROUGH TONIGHT...ESPECIALLY ALONG AND TO THE WEST OF THE U.S. 71 CORRIDOR. && THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT HTTP://WWW.CRH.NOAA.GOV/SGF(ALL LOWERCASE) BOXELL
In the hours before
Local storm report, May 20, 8:15 AM CDT, 2 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
815 AM CDT FRI MAY 20 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0806 AM HAIL 2 S JOPLIN 37.06N 94.51W
05/20/2011 E0.50 INCH JASPER MO AMATEUR RADIO
DIME SIZED HAIL REPORTED AT 32ND STREET AND MAIN ST
INTERSECTION.
&&
JCOLUCCILocal storm report, May 20, 8:36 AM CDT, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
836 AM CDT FRI MAY 20 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0827 AM HAIL JOPLIN 37.08N 94.51W
05/20/2011 M0.88 INCH JASPER MO STORM CHASER
&&
LINDENBERGSpecial weather statement, May 20, 9:32 AM CDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
932 AM CDT FRI MAY 20 2011
MOZ055-067-068-201515-
BENTON MO-HICKORY MO-ST. CLAIR MO-
932 AM CDT FRI MAY 20 2011
...SIGNIFICANT WEATHER ALERT FOR EASTERN ST. CLAIR...NORTHWESTERN
HICKORY AND SOUTHWESTERN BENTON COUNTIES UNTIL 1015 AM CDT...
AT 930 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR GERSTER...OR 17 MILES WEST OF HERMITAGE...
MOVING NORTH AT 45 MPH. PENNY SIZE HAIL...AND WINDS AROUND 50 MPH ARE
EXPECTED WITH THIS STORM.
THIS STORM WILL BE NEAR...
8 MILES WEST OF QUINCY BY 935 AM CDT.
HARPER AND OSCEOLA BY 940 AM CDT.
ICONIUM AND 7 MILES EAST OF LOWRY CITY BY 945 AM CDT.
RACKET BY 1005 AM CDT.
OTHER LOCATIONS IN THIS SIGNIFICANT WEATHER ALERT INCLUDE TRUMAN
LAKE.
LAT...LON 3836 9338 3789 9349 3790 9376 3821 9374
3821 9357 3822 9357 3822 9356 3821 9353
3836 9352 3837 9351
TIME...MOT...LOC 1432Z 189DEG 38KT 3797 9363
GRIFFINSpecial weather statement, May 20, 10:47 AM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 1047 AM CDT FRI MAY 20 2011 MOZ094-102-201615- BARRY MO-LAWRENCE MO- 1047 AM CDT FRI MAY 20 2011 ...SIGNIFICANT WEATHER ALERT FOR LAWRENCE AND NORTHWESTERN BARRY COUNTIES UNTIL 1115 AM CDT... AT 1046 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 3 MILES NORTH OF MONETT...MOVING NORTH AT 45 MPH. NICKEL SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM. THIS STORM WILL BE NEAR... HOBERG BY 1055 AM CDT. STOTTS CITY AND MOUNT VERNON BY 1100 AM CDT. MILLER AND 9 MILES EAST OF RED OAK BY 1110 AM CDT. INTERSTATE 44 BETWEEN MILE MARKERS 34 AND 57 WILL ALSO BE IMPACTED BY THIS STORM. LAT...LON 3723 9402 3723 9363 3682 9382 3683 9405 TIME...MOT...LOC 1548Z 194DEG 38KT 3699 9392
Special weather statement, May 20, 10:53 AM CDT, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 1053 AM CDT FRI MAY 20 2011 MOZ055-056-068-069-201645- BENTON MO-CAMDEN MO-HICKORY MO-MORGAN MO- 1053 AM CDT FRI MAY 20 2011 ...SIGNIFICANT WEATHER ALERT FOR NORTHERN HICKORY...NORTHWESTERN CAMDEN...SOUTHERN BENTON AND SOUTHWESTERN MORGAN COUNTIES UNTIL 1145 AM CDT... AT 1050 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR HERMITAGE...MOVING NORTH AT 45 MPH. PENNY SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM. THIS STORM WILL BE NEAR... CROSS TIMBERS BY 1100 AM CDT. FRISTOE BY 1105 AM CDT. EDWARDS BY 1110 AM CDT. 7 MILES WEST OF KNOBBY AND 8 MILES EAST OF WHITAKERVILLE BY 1115 AM CDT. HASTAIN AND LAKEVIEW HEIGHTS BY 1120 AM CDT. EDMONSON AND ZORA BY 1125 AM CDT. OTHER LOCATIONS IN THIS SIGNIFICANT WEATHER ALERT INCLUDE LAKE OF THE OZARKS AND TRUMAN LAKE. LAT...LON 3837 9346 3832 9293 3791 9312 3794 9345 TIME...MOT...LOC 1553Z 192DEG 38KT 3797 9328 GRIFFIN
Local storm report, May 20, 11:04 AM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1104 AM CDT FRI MAY 20 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0849 AM HAIL NEOSHO 36.87N 94.37W
05/20/2011 M0.88 INCH NEWTON MO PUBLIC
&&
JCOLUCCIThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:54 PM CDT | Areal Flood Warning | SGF | Camden, Maries, Miller, Morgan, Phelps, Pulaski | 6 hr |
| May 20, 7:41 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Jasper | 34 min |
| May 20, 8:13 AM CDT | Special Weather Statement | SGF | Barton, Jasper | 47 min |
| May 20, 8:19 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Vernon | 41 min |
| May 20, 8:22 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Jasper | 38 min |
| May 20, 8:33 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Cedar, Dade, Jasper, Lawrence | 42 min |
| May 20, 8:38 AM CDT | Flash Flood Warning | SGF | Barton, Jasper, Newton | 4 hr |
| May 20, 9:03 AM CDT | Flash Flood Warning | SGF | Barton, Cedar, Dade, Jasper, Lawrence, Vernon | 4 hr |
| May 20, 9:20 AM CDT | River Flood Warning | SGF | Vernon | 42 hr |
| May 20, 9:20 AM CDT | River Flood Warning | SGF | Vernon | 13 hr |
| May 20, 9:32 AM CDT | Special Weather Statement | SGF | St. Clair | 43 min |
| May 20, 10:47 AM CDT | Special Weather Statement | SGF | Lawrence | 28 min |
| May 20, 10:51 AM CDT | Flash Flood Warning | SGF | Cedar, Hickory, Polk, St. Clair | 2 hr |
| May 20, 10:53 AM CDT | Special Weather Statement | SGF | Benton, Hickory | 52 min |
| May 20, 1:48 PM CDT | Special Weather Statement | SGF | Christian, Taney | 42 min |
| May 20, 2:20 PM CDT | Special Weather Statement | SGF | Oregon | 40 min |
| May 20, 2:41 PM CDT | Areal Flood Warning | SGF | Christian, Stone, Taney | 6 hr |
| May 20, 2:54 PM CDT | Areal Flood Warning | SGF | Camden, Dallas, Miller, Morgan | 6 hr |
| May 20, 2:56 PM CDT | Special Weather Statement | SGF | Oregon | 49 min |
| May 20, 3:05 PM CDT | Areal Flood Warning | SGF | Benton, Cedar, Dade, Hickory, Polk, St. Clair | 6 hr |
| May 20, 3:41 PM CDT | River Flood Warning | SGF | Cedar | 41 hr |
| May 20, 3:41 PM CDT | River Flood Warning | SGF | Bates, Vernon | 19 hr |
| May 20, 7:35 AM CDT | Special Weather Statement | SGF | Cherokee | 25 min |
Nearby
Flash Flood Watches in Missouri, 2011Flash Flood Watches in Kansas, 2011Every flash flood watch in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.