Heavy rain caused some minor flash flooding in Daviess County.
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 EAX wrote it up.
Heavy rain caused some minor flash flooding in Daviess County.
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 Kansas City, MO wrote its last area forecast discussion before the first event at Jun 30, 2:11 PM CST, 1 hour 39 minutes earlier.
AREA FORECAST DISCUSSION
National Weather Service Kansas City/Pleasant Hill MO
311 PM CDT Wed Jun 30 2021
.Discussion...
Issued at 311 PM CDT WED JUN 30 2021
Key messages:
- Additional showers and a few thunderstorms this afternoon with
pockets of heavy rain leading to a localized flash flooding threat.
- Drier weather for the weekend with near to slightly below normal
temperatures.
Detailed Discussion...
Regional radar and water vapor imagery show a well defined wave over
eastern KS, slowly tracking to the east within the weak mid-level
flow. The atmosphere remains very moist with precipitable water
values greater than 2 inches over the southern half of the
forecast area. Forecast soundings are nearly moist adiabatic from
near the top of the mixed layer to the equilibrium level. While
this environment will yield minimal CAPE, with the mid-level
ascent associated with the wave, it will be just enough to
generate additional showers and a few thunderstorms with pockets
of very heavy rainfall. MBE vectors suggest precipitation will be
forward propagating, rather than back building, which will limit
overall rainfall totals. However, with saturated soils, nearly all
the precipitation that falls goes to runoff so the potential for
localized flash flooding will persist through the afternoon and
into the overnight hours.
The bulk of the rain should shift to the south of the area tomorrow,
shifting the flash flooding potential with it. While there may be
some showers in our southern areas through the day, coverage of
precipitation looks lower than previous days so confidence of
continued flash flooding potential is lower. Given this, will keep
the flash flood watch expiration at 12Z tomorrow morning.
A drier high pressure area will build southward into the area
starting later in the day Thursday, pushing the high precipitable
water air mass southward. This will lead to dry weather throughout
the holiday weekend. With that high moving into the area, the
pattern looks favorable for fog development, especially Saturday
morning as temperatures fall into the lower 60s or upper 50s. With
the area drying out from a week of rainfall, boundary layer moisture
may be ample, enhancing fog potential.
Precipitation chances increase again by the middle of next week as
it looks like another weak front may settle south into the area.
GFS is the most bullish with this potential so for now, have low
end chances mentioned in the forecast.
&&
.Aviation...(For the 18Z TAFS through 18Z Thursday Afternoon)
Issued at 1238 PM CDT WED JUN 30 2021
Main change to forecast was to remove thunderstorm mention from
the TAFs. Ongoing rain and cloud cover is really inhibiting
renewed instability. Within a nearly moist adiabatic environment,
just don't see how instability will be restored to get deep enough
convection to get thunderstorms widespread enough to carry in the
TAF. Periods of IFR ceilings and visibilities are possible with
areas of heavier showers/rain this afternoon. Overnight, looks
like IFR ceilings and/or visibility will develop within a very
moist air mass. Light winds are expected throughout the forecast
with a trend to the north/northeast late in the forecast.
&&
.EAX WATCHES/WARNINGS/ADVISORIES...
KS...Flash Flood Watch through Thursday morning for KSZ057-060-
103>105.
MO...Flash Flood Watch through Thursday morning for MOZ021>025-
028>033-037>040-043>046-053-054.
&&
Discussion...CDB
Aviation...CDBHazardous Weather Outlook National Weather Service Kansas City/Pleasant Hill MO 526 AM CDT Wed Jun 30 2021 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-011030- Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS- Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler- Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton- Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton- Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis- Cooper-Bates-Henry- 526 AM CDT Wed Jun 30 2021 This hazardous weather outlook is for northwest...north central and west central Missouri...as well as extreme eastern Kansas. .DAY ONE...Today and Tonight Wednesday will be another rainy day across the area, with more flooding concerns as another one to three inches may fall over already saturated soils and swollen streams. A flash flood watch remains in effect for most of the area through Thursday morning. More detailed information can be accessed at... https://www.weather.gov/eax/hwo .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thursday will bring more rain mainly to areas along and south of I 70. By the end of the day, the drying trend will begin, which will last into and through the holiday weekend. More detailed information can be accessed at... https://www.weather.gov/eax/hwo
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
256 PM CDT Wed Jun 30 2021
MOZ053-302045-
Bates MO-
256 PM CDT Wed Jun 30 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BATES COUNTY UNTIL
345 PM CDT...
At 256 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles southeast of Rich Hill to near Walker
to 7 miles east of Sheldon. Movement was northeast at 25 mph.
Wind gusts up to 50 mph will be possible with these storms.
Locations impacted include...
Rockville.
LAT...LON 3804 9424 3805 9425 3806 9433 3822 9408
3821 9405 3803 9406 3805 9410 3804 9411
3806 9413 3806 9416 3804 9420 3805 9420
3805 9421 3804 9422 3803 9424
TIME...MOT...LOC 1956Z 242DEG 20KT 3799 9428 3785 9416 3766 9417
BMWThe Pleasant Hill radar (KEAX), 124 km away, was scanning. The volume nearest the first event began at 21:52 UTC.
2 flash flood. Local standard time, as filed.
Law enforcement reported water over several roads in Gallatin.
There was reported water over several roads in Jameson.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2021Every state in 2021This day in weather historyWarnings in Missouri, June 2021
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: 968305, 968306.