Heavy rainfall throughout June led to many locations along the Mississippi River in Southeast Minnesota to enter flood stage which persisted into July. During the first week of July many points along the Mississippi River south of Wabasha observed their maximum river stage in minor to moderate flooding.
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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.
Heavy rainfall throughout June led to many locations along the Mississippi River in Southeast Minnesota to enter flood stage which persisted into July. During the first week of July many points along the Mississippi River south of Wabasha observed their maximum river stage in minor to moderate flooding. As relatively drier conditions took hold over the first half of July, river stages fell below flood stage into the middle of the month.
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 Jun 30, 9:35 PM CST, 2 hours 25 minutes earlier. Its key messages:
Area Forecast Discussion National Weather Service La Crosse WI 1035 PM CDT Sun Jun 30 2024 .KEY MESSAGES... - A couple of rounds of convection expected Monday night into Tuesday. This could bring another round of heavy rain across the area. Some severe storms could occur Tuesday afternoon and evening. - Additional rainfall will occur Independence Day through Friday. Heavy rain chances appear lower during this period. && .DISCUSSION... Issued at 223 PM CDT Sun Jun 30 2024 Latest 19z surface analysis shows ridge over Minnesota/Wisconsin and Iowa. Subsidence underneath ridge is providing mostly sunny skies and light winds per latest visible satellite imagery/metars. Surface ridge will remain the dominant weather feature tonight into much of Monday and providing dry weather. Then...southwesterly flow pattern develops over the Northern Plains/Upper Great Lakes Region late Monday afternoon into Tuesday. Pieces of energy embedded in the southwesterly flow aloft and vertical motion/moisture convergence associated with the pieces of energy will spread showers/storms into the forecast area early Monday evening and continue into Tuesday. The latest deterministic models/ensembles show around two inches of precipitable water values Monday night into Tuesday. Some of the showers/storms will be efficient rain producers across the area. However...the deterministic/hi-resolution models suggest showers/storms will move quickly over the area and not back build over the same area Monday night into Tuesday. At this time...rainfall amounts of one to two and a half inches are expected across the forecast area from Monday night into Tuesday evening. Severe potential Tuesday afternoon/evening with the second round of convection...is still dependent on how much instability builds during the day. As trends continue to show debris clouds from Monday night convection over the forecast area to inhibit destabilization. Main forecast concerns Wednesday night into Sunday are shower/storm chances mainly from Independence Day into Friday...then lesser rain chances for next weekend. Latest deterministic/ensembles are in better agreement in moving upper level closed low over the Northern Plains/Upper Great Lakes region Independence Day/Friday. Decent lift/moisture convergence in association with the upper level closed low will spread showers/storms in into the forecast area Independence Day. As the upper level low tracks over the forecast area Friday...showers and a few storms will continue across much of the forecast area. Forecast area remains under the influence of the upper level closed low next weekend...and provides lesser shower/storm chances across the forecast area. Temperatures through the forecast period will mainly be in the 70s to lower to middle 80s. && .AVIATION /06Z TAFS THROUGH 06Z TUESDAY/... Issued at 1035 PM CDT Sun Jun 30 2024 VFR conditions expected through this TAF period. Mid to high clouds will increase across the area on Monday ahead of the next system. Winds will ramp up out of the southeast by late morning with gusts of 20 to 25 knots, especially at RST. Winds remain gusty into the evening at RST with a tightening pressure gradient, and initial showers may move into southeast Minnesota by the end of this TAF period before steadier rain moves in after 06Z -- have introduced VCSH at RST. && .HYDROLOGY... Issued at 223 PM CDT Sun Jun 30 2024 Minor to moderate flooding continues along the Mississippi River and will continue into this week. Additional rainfall is expected Monday night into Tuesday evening. At this time...rainfall amounts of 1 to 2.5 inches is expected across the area. With the antecedent conditions across the region...water levels will rise on area rivers and flash flooding will be possible. Interests along rivers...streams and creeks should monitor the latest forecast and trends Monday night into Tuesday. && .ARX WATCHES/WARNINGS/ADVISORIES... WI...None. MN...None. IA...None. && DISCUSSION...DTJ AVIATION...Kurz HYDROLOGY...DTJ
Hazardous Weather Outlook National Weather Service La Crosse WI 543 AM CDT Sun Jun 30 2024 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-011445- Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette- Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston- Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau- Adams-Vernon-Crawford-Richland-Grant- 543 AM CDT Sun Jun 30 2024 This Hazardous Weather Outlook is for portions of northeast Iowa...southeast Minnesota...and southwest into central Wisconsin. .DAY ONE...Today and Tonight Flooding continues along the Mississippi River. Please see the latest flood statements for additional details. .DAYS TWO THROUGH SEVEN...Monday through Saturday Flooding will continue along some area rivers. Please see the latest flood statements for additional details. Storm chances return from Monday night into Tuesday night and from Thursday into Saturday. Heavy rain and additional flooding may occur Monday night into Tuesday night It is too early to discern any potential severe weather risk at this time. .SPOTTER INFORMATION STATEMENT... No action needed. .EMERGENCY MANAGEMENT COORDINATION... No webinar is scheduled.
Preliminary Local Storm Report
National Weather Service La Crosse WI
824 PM CDT Sun Jun 30 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1018 PM Tstm Wnd Dmg 3 ESE Oronoco 44.15N 92.49W
06/28/2024 Olmsted MN Broadcast Media
Numerous tree limbs down and trees snapped
in the neighborhood of Kings Dr NW, 18th Ave
NW, and River Hill Ct NW. Tree down on
house. Time estimated from radar.
&&The national radar mosaic for the moment the first event began.
5 flood. Local standard time, as filed.
Significant rainfall throughout June pushed the Mississippi River at Lake City into flood stage in June and continued into July. The river stage crested in June and was falling throughout early July.
Significant rainfall throughout June pushed the Mississippi River at Wabasha into flood stage in June and continued into July. The river stage crested during June and continued to fall throughout the first half of July.
Significant rainfall throughout June pushed the Mississippi River at Minnesota City into flood stage in June and continued into July. The river stage crested during the morning on July 1st in minor flood stage at 661.94 ft.
Significant rainfall throughout June pushed the Mississippi River at Winona into flood stage in June and continued into July. The river stage crested during the afternoon on July 2nd in moderate flood stage at 16.14 ft.
Significant rainfall throughout June pushed the Mississippi River at La Crescent into flood stage in June and continued into July. The river stage crested during the afternoon on July 2nd in minor flood stage at 642.93 ft.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2024Every state in 2024This day in weather historyWarnings in Minnesota, July 2024
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: 1204166, 1204167, 1204171, 1204174, 1204175.