Runoff from heavy rains in the early and middle parts of May produced a second round of flooding along parts of the Mississippi River for portions of northeast Iowa.
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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 ARX wrote it up.
Runoff from heavy rains in the early and middle parts of May produced a second round of flooding along parts of the Mississippi River for portions of northeast Iowa.
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 La Crosse, WI wrote its last area forecast discussion before the first event at May 18, 2:02 AM CST, 43 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LA CROSSE WI 302 AM CDT SUN MAY 18 2014 .SHORT TERM...(TODAY AND TONIGHT) ISSUED AT 302 AM CDT SUN MAY 18 2014 LATEST WATER VAPOR SATELLITE IMAGERY SHOWING UPPER LEVEL RIDGE OVER THE ROCKY MOUNTAINS AND UPPER LEVEL TROUGH OVER THE UPPER GREAT LAKES REGION. SUBTLE WAVE EMBEDDED IN NORTHWEST FLOW ALOFT WAS PRODUCING SPRINKLES OVER PARTS OF EASTERN MINNESOTA AND NORTHWEST WISCONSIN PER MOSAIC RADAR. TODAY...THE 18.00Z GFS/NAM ARE IN GOOD AGREEMENT IN BUILDING UPPER LEVEL RIDGE OVER THE ROCKY MOUNTAINS INTO THE NORTHERN PLAINS AND UPPER MIDWEST. WITH SUBSIDENCE UNDERNEATH THE UPPER LEVEL RIDGE...EXPECT MOSTLY SUNNY SKIES ACROSS THE AREA AND TEMPERATURES IN THE MIDDLE 60S TO AROUND 70 ACROSS MUCH OF THE FORECAST AREA. SHORTWAVE TROUGH FLATTENS UPPER LEVEL RIDGE TONIGHT. THE 18.00Z GFS AND NAM INDICATE LEADING EDGE OF MOISTURE CONVERGENCE AND TRANSPORT APPROACHING THE WESTERN PARTS OF THE FORECAST AREA IN THE 06-09Z MONDAY TIME FRAME. WITH THE INCREASING MOISTURE/ISENTROPIC...HAVE INTRODUCED SMALL CHANCES OF PRECIPITATION INTO THE WESTERN PART OF THE FORECAST AREA MAINLY AFTER 09Z MONDAY. .LONG TERM...(MONDAY THROUGH SATURDAY) ISSUED AT 302 AM CDT SUN MAY 18 2014 SHOWERS AND THUNDERSTORMS WILL CONTINUE TO INCREASE IN COVERAGE FROM WEST TO EAST AFTER 15Z MONDAY...AS THE 18.00Z GFS/NAM CONTINUE TO INCREASE MOISTURE TRANSPORT/CONVERGENCE AND LIFT ACROSS FORECAST AREA IN RESPONSE TO SHORTWAVE TROUGH MOVING INTO WISCONSIN. THE 18.00Z GFS/NAM FOCUS BEST LIFT AND CONVERGENCE OVER THE NORTHERN HALF OF THE FORECAST AREA AND CONTINUE TREND OF BETTER PRECIPITATION CHANCES OVER THIS AREA. INSTABILITY REMAINS ELEVATED OVER THE FORECAST AREA...AS BOTH THE 18.00 GFS/NAM SHOW POSITIVE INSTABILITY ABOVE 700MB PER BUFKIT SOUNDINGS. THE 18.00Z GFS/NAM INDICATE SHORTWAVE TROUGH TO QUICKLY MOVE EAST OF FORECAST AREA BY 06Z TUESDAY AND PUSHING MOISTURE TRANSPORT/CONVERGENCE AND LIFT EAST OF THE FORECAST AREA. HAVE REDUCED PRECIPITATION CHANCES ACROSS MUCH OF THE FORECAST AREA AFTER 06Z TUESDAY. SLIGHT DIFFERENCES ARE INDICATED BETWEEN THE 18.00Z GFS/NAM/ECMWF IN PLACEMENT OF SURFACE COLD FRONT TUESDAY. THE MODELS SHOW WEAK MOISTURE CONVERGENCE ALONG FRONT AND INCREASE SURFACE INSTABILITY DURING THE DAYTIME HOURS ALONG AHEAD OF FRONT. THE 18.00Z GFS/NAM/ECMWF INDICATE FRONT WOULD BE OVER SOUTHERN FORECAST AREA AND HAVE KEPT SMALL PRECIPITATION CHANCES OVER THIS AREA TUESDAY INTO TUESDAY EVENING. SURFACE RIDGE BUILDS OVER THE GREAT LAKES AND REMAINS THE DOMINATE FEATURE ACROSS THE FORECAST AREA WEDNESDAY INTO SATURDAY. THE SURFACE RIDGE WILL SUPPRESS SURFACE FRONT SOUTH AND WEST OF FORECAST AREA. WITH DRY EAST TO SOUTHEASTERLY FLOW NORTH OF FRONT AND SUBSIDENCE UNDERNEATH SURFACE RIDGE...THE FORECAST AREA WILL BE MAINLY DRY WEDNESDAY INTO SATURDAY. TEMPERATURES DURING THIS TIME FRAME ARE EXPECTED TO BE NEAR NORMAL...WITH HIGH TEMPERATURES CLIMBING INTO THE UPPER 60S TO LOWER 70S. && .AVIATION...(FOR THE 06Z TAFS THROUGH 06Z SUNDAY NIGHT) ISSUED AT 1134 PM CDT SAT MAY 17 2014 VFR CONDITIONS THROUGH THE PERIOD. WINDS WILL INCREASE IN THE MORNING AS DEEPER MIXING OCCURS. WEATHER IS EXPECTED TO MOVE IN FROM THE WEST MONDAY MORNING. && .HYDROLOGY... ISSUED AT 302 AM CDT SUN MAY 18 2014 WATER LEVELS ALONG THE MISSISSIPPI RIVER WILL CONTINUE TO RUN HIGH THROUGH THE WEEKEND INTO NEXT WEEK. SOME MINOR FLOODING IS ALREADY OCCURRING OR EXPECTED TO OCCUR INTO NEXT WEEK. FOR MORE DETAILED INFORMATION...LOOK ON OUR INTERNET PAGE AT WWW.WEATHER.GOV/LACROSSE. CLICK ON THE NEWS STORY AT THE TOP OF THE PAGE PERTAINING TO THE MISSISSIPPI RIVER. && .ARX WATCHES/WARNINGS/ADVISORIES... WI...NONE. MN...NONE. IA...NONE. && SHORT TERM...DTJ LONG TERM...DTJ AVIATION...BAUMGARDT HYDROLOGY...DTJ
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 716 AM CDT SAT MAY 17 2014 IAZ011-030-MNZ079-088-096-WIZ032-033-041-053-054-061-181230- ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-BUFFALO-TREMPEALEAU- LA CROSSE-VERNON-CRAWFORD-GRANT- 716 AM CDT SAT MAY 17 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA...SOUTHEAST MINNESOTA...AND SOUTHWEST INTO WEST CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT FLOODING IS EXPECTED TO CONTINUE ALONG THE MISSISSIPPI RIVER. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A CHANCE FOR THUNDERSTORMS FROM MONDAY THROUGH TUESDAY ACROSS THE ENTIRE AREA....AND SMALL CHANCES FROM THURSDAY THROUGH FRIDAY WEST OF THE MISSISSIPPI RIVER. IT IS TOO EARLY TO DISCERN WHETHER SEVERE WEATHER WILL OCCUR. FLOODING WILL CONTINUE ALONG THE MISSISSIPPI RIVER. .SPOTTER INFORMATION STATEMENT... NO ACTION IS NECESSARY. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. IAZ008>010-018-019-029-MNZ086-087-094-095-WIZ017-029-034-042>044- 055-181230- MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED- MOWER-FILLMORE-TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS-RICHLAND- 716 AM CDT SAT MAY 17 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA...SOUTHEAST MINNESOTA...AND SOUTHWEST INTO CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A CHANCE FOR THUNDERSTORMS FROM MONDAY THROUGH TUESDAY ACROSS THE ENTIRE AREA....AND SMALL CHANCES FROM THURSDAY THROUGH FRIDAY WEST OF THE MISSISSIPPI RIVER. IT IS TOO EARLY TO DISCERN WHETHER SEVERE WEATHER WILL OCCUR. .SPOTTER INFORMATION STATEMENT... NO ACTION IS NECESSARY. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. BOYNE
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Runoff from heavy rains in the early and middle parts of May produced a second round of flooding along the Mississippi River in Guttenberg. The river crested around a half foot above the flood stage at 15.52 feet.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2014Every state in 2014This day in weather historyWarnings in Iowa, May 2014
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: 516609.