Severe storms moved into western Missouri during the morning of the 20th. A couple of these storms produced wind gusts over 60 mph, and localized flash flooding occurred over central Missouri as two to three inches of rain fell over areas that were saturated from the previous round of storms.
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 SGF wrote it up.
Severe storms moved into western Missouri during the morning of the 20th. A couple of these storms produced wind gusts over 60 mph, and localized flash flooding occurred over central Missouri as two to three inches of rain fell over areas that were saturated from the previous round of storms.
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 Springfield, MO wrote its last area forecast discussion before the first event at Jul 20, 5:10 AM CST, 1 hour 35 minutes earlier.
Area Forecast Discussion National Weather Service Springfield MO 610 AM CDT Thu Jul 20 2023 Key Messages: 1. Thunderstorms with heavy rain moving in from the west this morning. 2. Additional thunderstorms possible late tonight into Friday morning. 3. Turning cooler Friday, but a warmup starts again over the weekend into next week. .SHORT TERM...(Today and tonight) Issued at 230 AM CDT Thu Jul 20 2023 A frontal boundary was bisecting the CWA from central Missouri into southeast Kansas. Meanwhile, an upper level shortwave over central Kansas was shifting east southeast. These features along with some elevated instability continue to support convection which was occurring over southern Kansas very early this morning. This convection is progged by many of the CAMS to continue shifting eastward into the CWA during the remainder of the overnight and into the morning hours before ending by midday in the eastern portion of the CWA. The stronger storms may be supportive of hail to the size of quarters along wind damaging wind gusts up to 60 mph given the instability and shear combination. Precipitable water values from 1.5 to 1.9" will also support heavy rain and possibly some localized flooding if training of storms occurs. The shortwave energy should push through today along with the front sliding just to our south. Highs today should stll be warm, but not as hot as the previous couple of days with highs in the low to mid 90s and heat index values from 96 to 105. For this reason, we are not continuing any heat related products for Thursday. Tonight, another shortwave is expected to trigger additional thunderstorms in the high plains this afternoon and evening, with another thunderstorm complex shifting east-southeast into the area late tonight into Friday morning. The majority of the severe storms should again be to our west, but some stronger storms will be capable of hail to the size of quarters and damaging wind gusts up to 60 mph. The heaviest rain looks to be over the far southern CWA, where localized flooding will be possible if training of storms takes place. .LONG TERM...(Friday through Wednesday) Issued at 230 AM CDT Thu Jul 20 2023 The shortwave should shift east across the area during the day Friday. With the rain/clouds and cooler air mass, highs are only expected to reach the upper 70s to low 80s across the area. Upper level ridging should amplify in the western U.S. over the weekend with northwest flow developing over the CWA. The ridge is expected to gradually develop eastward through the middle of next week. So, we'll gradually see temperatures climb back to more normal readings by late in the weekend and then back into the mid to upper 90s by the middle of next week. While there are some low end pops during the Sunday - Wednesday time frame, widespread convection is not expected at this time. && .AVIATION...(For the 12Z TAFS through 12Z Friday morning) Issued at 609 AM CDT Thu Jul 20 2023 Showers and thunderstorms have moved into the area from the west with the heaviest convection to the north of the forecast terminals. Should still have some showers for the first several hours of the forecast at the TAF sites with some MVFR conditions. Flight conditions should improve by late morning as the convection shifts east of the area. Another thunderstorm complex could start to move into the western CWA towards the end of the TAF period. && .SGF WATCHES/WARNINGS/ADVISORIES... MO...NONE. KS...NONE. && SHORT TERM...Lindenberg LONG TERM...Lindenberg AVIATION...Lindenberg
Hazardous Weather Outlook National Weather Service Springfield MO 330 AM CDT Thu Jul 20 2023 KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-210830- 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- 330 AM CDT Thu Jul 20 2023 This Hazardous Weather Outlook is for portions of the Missouri Ozarks and extreme southeast Kansas. .DAY ONE...Today and Tonight. Weather hazards expected... Limited hail risk. Limited thunderstorm wind damage risk. Elevated lightning risk. Elevated excessive heat risk. Limited excessive rainfall risk DISCUSSION... Showers and thunderstorms will track east across the area this morning. The stronger storms may be capable of producing wind gusts up to 50 mph and small hail. In addition, heavy rain will be possible which may lead to some localized flooding should training of storms take place. Another thunderstorm complex will be possible late tonight, which will also bring some strong storms to the area with the potential of small hail and wind gusts up to 50 mph. Heavy rain will also be possible with this round of thunderstorms and the potential of localized flooding. This round of thunderstorms will likely linger into Friday. Behind this mornings thunderstorms, some clearing will take place and allow for temperatures to rise back into the low to mid 90s for highs, with heat index values from the upper 90s to around 105. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Thunderstorms will linger into Friday with the potential for heavy rain and localized flooding. This will mainly be across southern Missouri. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight. && More detailed information can be accessed at: http://www.weather.gov/sgf/dsspacket This product in graphical format...along with other weather... hydrological and climate information...at http://www.weather.gov/sgf Lindenberg
Special Weather Statement
National Weather Service Springfield MO
507 AM CDT Thu Jul 20 2023
MOZ079-201030-
Polk MO-
507 AM CDT Thu Jul 20 2023
...A strong thunderstorm will impact portions of northern Polk County
through 530 AM CDT...
At 506 AM CDT, Doppler radar was tracking a strong thunderstorm over
Humansville, or 12 miles northwest of Bolivar, moving southeast at 25
mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Bolivar, Pomme de Terre Lake, Humansville, Polk, Flemington, Goodson
and Dunnegan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3781 9357 3781 9345 3774 9322 3756 9329
3769 9361 3774 9361 3774 9363 3780 9363
3783 9361 3783 9357
TIME...MOT...LOC 1006Z 295DEG 24KT 3776 9356
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
SoriaSpecial Weather Statement
National Weather Service Springfield MO
536 AM CDT Thu Jul 20 2023
KSZ073-201100-
Bourbon KS-
536 AM CDT Thu Jul 20 2023
...A strong thunderstorm will impact portions of Bourbon County
through 600 AM CDT...
At 536 AM CDT, Doppler radar was tracking a strong thunderstorm near
Bronson, or 12 miles east of La Harpe, moving east at 40 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Fort Scott, Marmaton, Bronson, Uniontown, Fulton, Redfield, Mapleton,
Hammond, Devon, Harding and Xenia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3804 9508 3804 9488 3803 9461 3793 9461
3775 9470 3784 9508
TIME...MOT...LOC 1036Z 290DEG 33KT 3796 9508
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
SoriaSpecial Weather Statement
National Weather Service Springfield MO
718 AM CDT Thu Jul 20 2023
MOZ056-057-069-201245-
Camden MO-Miller MO-Morgan MO-
718 AM CDT Thu Jul 20 2023
...A strong thunderstorm will impact portions of southwestern Miller,
central Camden and southeastern Morgan Counties through 745 AM CDT...
At 717 AM CDT, Doppler radar was tracking a strong thunderstorm near
Osage Beach, moving east at 25 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Lake of The Ozarks, Lake of The Ozarks State Park, Osage Beach,
Camdenton, Village of Four Seasons, Lake Ozark, Laurie, Iberia,
Sunrise Beach, Linn Creek, Tuscumbia, Bagnell, Brumley, Lakeside,
Green Bay Terrace, Ulman, Lakeview, Freedom, Kaiser and Hurricane
Deck.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3799 9283 3820 9290 3834 9252 3806 9226
TIME...MOT...LOC 1217Z 255DEG 23KT 3811 9276
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
SoriaThe Springfield radar (KSGF), 100 km away, was scanning. The volume nearest the first event began at 12:44 UTC.
2 flash flood, 1 thunderstorm wind. Local standard time, as filed.
State Highway D at Spencer Creek and Bank Branch was flooded and impassable.
A few large trees were reported blown down at Belle.
Water and tree debris was flowing across Ball Park Road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2023Every state in 2023This day in weather historyWarnings in Missouri, July 2023
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: 1122123, 1122129, 1122127.