Periods of heavy rainfall from thunderstorms caused the Cache River at Patterson to rise above flood stage during the last week of September.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LZK wrote it up.
Periods of heavy rainfall from thunderstorms caused the Cache River at Patterson to rise above flood stage during the last week of September.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Little Rock, AR wrote its last area forecast discussion before the first event at Sep 23, 5:25 AM CST, 2 hours 35 minutes earlier.
AREA FORECAST DISCUSSION...UPDATE FOR AVIATION NATIONAL WEATHER SERVICE LITTLE ROCK AR 625 AM CDT FRI SEP 23 2011 .AVIATION... AREAS OF IFR CEILINGS AND FOG WILL BE SEEN THIS MORNING ACROSS AR ESPECIALLY OVER NORTHERN LOCATIONS AT KHRO AND KBPK...AND NORTH CENTRAL AREAS. VFR TO AT TIMES MVFR CEILINGS EXPECTED AT ALL OTHER TAF SITES. CEILINGS AND FOG WILL SLOWLY LIFT AND THIN THIS MORNING AFTER SUNRISE BUT WILL HOLD AT LEAST THROUGH MID MORNING. BECOMING VFR ALL AREAS LATE MORNING TO NOON. WINDS LIGHT NW TO NE THIS MORNING NORTHERN AREAS BECOMING W TO SW BY NOON AT 5 TO 9 KNOTS. LIGHT WINDS CENTRAL AND SOUTH AR THIS MORNING WILL BECOME NE 3 TO 7 KNOTS LATE MORNING TO AFTERNOON. (59) && .PREV DISCUSSION... /ISSUED 335 AM CDT FRI SEP 23 2011/ .SHORT TERM...TODAY THROUGH MONDAY THE UPPER DISTURBANCE THAT BROUGHT THE RAINFALL TO THE STATE ON THU HAS MOVED TO THE EAST THIS MORNING. WITH THE LIGHT WINDS AND MOISTURE FROM YESTERDAYS RAINFALL...SOME PATCHY DENSE FOG HAS DEVELOPED...MAINLY ACROSS PORTIONS OF THE NRN AND WRN COUNTIES OF THE CWA. HAVE HELD OFF ON A DENSE FOG ADV FOR NOW DUE THE PATCHY NATURE...BUT WILL CONTINUE TO MONITOR CLOSE IN THE COMING HRS TO SEE IF THIS FOG BECOMES MORE WIDESPREAD. EXPECTING A DRY DAY THIS FRI AFTERNOON IN WAKE OF THE THU SYSTEM. SFC RIDGE WILL BE IN PLACE ACROSS THE STATE...KEEPING SKIES MOSTLY SUNNY...AND TEMPS BELOW NORMAL ONCE AGAIN. THIS SFC RIDGE WILL SHIFT EAST ON SAT...WITH SRLY SFC WINDS RETURNING TO THE STATE. THIS WILL INCREASE MOISTURE SOME ACROSS AR OVER THE WEEKEND. THIS WILL BE IN ADVANCE OF ANOTHER DISTURBANCE MOVING SOUTH AND SE ACROSS THE STATE AROUND THE BASE OF THE MAIN UPPER CLOSED LOW TO THE NORTH AS THIS PARENT LOW SAGS SLIGHTLY SW. HAVE INCREASED TO CHANCE POPS ACROSS NRN AND ERN COUNTIES STARTING SAT NIGHT AS A RESULT OF THIS INCREASED MOISTURE AND UPPER DISTURBANCE. ANOTHER COLD FRONT WILL ALSO BE PUSHING SOUTH INTO THE STATE SAT NIGHT INTO SUN...INTERACTING WITH A SECONDARY MOISTURE SURGE MOVING NORTH FROM THE GULF ON SUN. THIS WILL KEEP SLIGHT CHANCE TO CHANCE POPS GOING FOR SUN AFTERNOON AND NIGHT BEFORE THIS FRONT STALLS ACROSS SE AR ON MON. WILL CONTINUE TO MENTION SLIGHT CHANCE POPS FOR THE SERN COUNTIES ON MON WITH THE FRONT STALLED ACROSS SERN AR. MUCH OF THE REST OF THE CWA WILL REMAIN DRY TO THE NW OF THIS FRONT FOR THE LATE SHORT TERM PERIOD. && .LONG TERM...TUESDAY THROUGH THURSDAY LITTLE CHANGE IN THE EXTENDED FORECAST. THE STRONG UPPER LEVEL PATTERN WILL BE IN PLACE...WITH A TROUGH AND CUT OFF LOW OVER THE GREAT LAKES TO OHIO AND TN VALLEYS. THIS WILL KEEP A NW TO N FLOW INTO AR. UNCERTAINTY DOES EXIST IN MODEL RUNS ON EXACT LOCATION OF THE UPPER TROUGH AND CUT OFF LOW...AS WELL AS AMOUNT OF ANY UPPER LEVEL ENERGY THAT MAY MOVE ACROSS AR AND DEVELOP ANY ISOLATED SHOWERS OR THUNDER. WILL KEEP FORECAST DRY AT THIS TIME DUE TO UNCERTAINTY. TUESDAY MAY SEE A SLIGHT CHANCE OVER SOUTHERN AR WITH WEAK LIFT...WHILE ON WEDNESDAY MODELS SHOW A BIT MORE POSSIBLE UPPER SHORT WAVE ENERGY THAT MAY DEVELOP SOME ISOLATED CONVECTION. AGAIN WILL KEEP DRY DUE TO UNCERTAINTY. THURSDAY DOES LOOK DRY WITH SURFACE HIGH PRESSURE RIDGING INTO THE AREA. NEAR NORMAL TO A BIT COOLER THAN NORMAL TEMPERATURES ARE EXPECTED. LOWS IN THE 50S TO 60S WHILE HIGHS MAINLY IN THE 70S TO LOWER 80S. && .PRELIMINARY POINT TEMPS/POPS... BATESVILLE AR 75 53 71 56 / 10 10 10 10 CAMDEN AR 80 55 83 59 / 10 10 10 10 HARRISON AR 74 50 74 53 / 0 10 10 20 HOT SPRINGS AR 78 54 81 58 / 10 10 10 10 LITTLE ROCK AR 79 56 82 60 / 10 10 10 10 MONTICELLO AR 79 56 82 59 / 10 10 10 10 MOUNT IDA AR 80 50 82 55 / 10 10 10 10 MOUNTAIN HOME AR 72 51 74 54 / 0 10 10 20 NEWPORT AR 74 53 70 55 / 10 10 10 10 PINE BLUFF AR 77 55 81 59 / 10 10 10 10 RUSSELLVILLE AR 78 52 80 56 / 0 10 10 10 SEARCY AR 79 54 79 57 / 10 10 10 10 STUTTGART AR 77 55 79 58 / 10 10 10 10 && .LZK WATCHES/WARNINGS/ADVISORIES...NONE. && SHORT TERM...62 / LONG TERM...59
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 500 AM CDT FRI SEP 23 2011 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-241000- ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND- CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING- INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE- MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE- PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE- WOODRUFF-YELL- 500 AM CDT FRI SEP 23 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT AREAS OF FOG...DENSE IN SPOTS...WILL BE SEEN THIS MORNING OVER MUCH OF NORTHERN ARKANSAS...WHILE PATCHY ACROSS THE REST OF THE STATE. THE FOG WILL SLOWLY LIFT AND DISSIPATE THROUGH THE MORNING. OTHERWISE DRY CONDITIONS TODAY AS SURFACE HIGH PRESSURE WILL BE OVER THE AREA. TONIGHT PATCHY DENSE FOG WILL AGAIN FORM IN SPOTS ACROSS THE AREA. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AREAS OF MORNING FOG ACROSS THE STATE WILL WILL SLOWLY LIFT AND DISSIPATE SATURDAY MORNING. OTHERWISE DRY CONDITIONS ARE EXPECTED FOR SATURDAY AS SURFACE HIGH PRESSURE WILL BE OVER THE AREA. A COLD FRONT WILL DRIFT INTO ARKANSAS ON SUNDAY AS THE UPPER LEVEL LOW PRESSURE SYSTEM DEEPENS OVER THE GREAT LAKES TO THE OHIO VALLEY. THIS WILL ALLOW SEVERAL UPPER LEVEL DISTURBANCES TO MOVE THROUGH ARKANSAS STARTING SUNDAY AND INTO THE COMING WEEK...AND BRING SOME CHANCES OF SHOWERS AND ISOLATED THUNDERSTORMS TO THE AREA. THE OVERALL THREAT OF SEVERE STORMS WILL REMAIN LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 59
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2011Every state in 2011This day in weather historyWarnings in Arkansas, September 2011
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 342690.