443
NOUS43 KEAX 122011
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KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-130815-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
311 PM CDT WED AUG 12 2026
...NWS DAMAGE SURVEY FOR 08/05/2026 MERCER - PUTNAM COUNTY
THUNDERSTORM WIND EVENT...
OVERVIEW
ON THE MORNING OF WEDNESDAY AUGUST 5, 2026, A SEVERE THUNDERSTORM
MOVING ACROSS EASTERN MERCER COUNTY INTO PUTNAM COUNTY DEVELOPED
A WIDE SWATH OF SEVERE WINDS RESULTING IN A SWATH OF WIND DAMAGE FROM
NEAR RAVANNA, MO TO UNIONVILLE, MO.
PEAK WIND /E/: 90 MPH
PATH LENGTH /STATUTE/: APROX. 25 MILES
PATH WIDTH /MAXIMUM/: APROX. 2 TO 3 MILES
FATALITIES: 0
INJURIES: 0
START DATE: AUG 05 2026
START TIME: 630 AM CDT
START LOCATION: EAST OF RAVANNA, MO
START LAT/LON: 40.44 / -93.42
END DATE: AUG 05 2026
END TIME: 705 AM CDT
END LOCATION: EAST OF UNIONVILLE, MO
END LAT/LON: 40.47 / -92.96
*SURVEY SUMMARY:
NWS DAMAGE SURVEY FOUND: AROUND 6 AM CDT ON WEDNESDAY, 5 AUGUST, 2026,
A CLUSTER OF SEVERE THUNDERSTORMS ALONG THE IOWA/MISSOURI BORDER
MOVED INTO A MORE FAVORABLE ENVIRONMENT FOR DAMAGING OUTFLOW AND
DOWNBURST WIND DEVELOPMENT. THROUGH 615 AM CDT, THE SOUTHERN
STORM BEGAN TO DEVELOP A BOWING SEGMENT AS IT TRAVERSED EAST
ACROSS MERCER COUNTY MISSOURI. AS THE STORM CROSSED NEAR RAVANNA,
MO IT DEVELOPED WIDESPREAD 60 TO 70 MPH WINDS. SIGNIFICANT DAMAGE
WAS NOTED TO A COMMERCIAL HOG BARN IN EASTERN MERCER COUNTY WITH
NOTED SPORADIC TREE DAMAGE ALONG THE US 136 CORRIDOR INTO PUTNAM
COUNTY. AROUND 640 AM CDT, EAST OF LUCERNE, THE ROOF OF A HOME
WAS LIFTED OFF, ESTIMATED 90 MPH DOWNBURST WINDS ACCELERATED ALONG
AN OPEN FETCH OF LAND UP TO THE HOME ON THE HILL TOP. ALL DEBRIS
FROM THE HOME WAS DEPOSITED TO THE EAST, WITH NO CONVERGENT DAMAGE
PATTERN FOUND OR WINDBLOWN DEBRIS OR MUD SPLATTER BACK TO THE
NORTH OR WEST ON THE HOME. ABOUT THREE QUARTERS OF A MILE NORTH, A
WOOD FRAME AND CORRUGATED STEEL OUTBUILDING WAS BLOWN DOWN AND
DEBRIS SPREAD EAST. FOLLOWING THE STORM'S PATH THROUGH 7 AM TOWARD
AND THROUGH UNIONVILLE, SPORADIC 65 TO 75 MPH TREE DAMAGE WAS
NOTED ALONG WITH MINOR STRUCTURE DAMAGE TO FARM OUTBUILDINGS.
WITHIN UNIONVILLE, WIDESPREAD 65 TO 75 MPH TREE DAMAGE WAS NOTED
ALONG WITH MINOR ROOF DAMAGE TO SEVERAL HOMES, SHINGLES MISSING
AND DAMAGE FROM TREE DEBRIS. COUNTY EM NOTED THAT EVERY BUILDING
AROUND THE TOWN SQUARE HAD SOME MEASURE OF ROOF DAMAGE. ONE
BUILDING HAD STRUCTURAL DAMAGE TO THE SECOND STORY BRICK WITH A
BLOWN IN WINDOW FRAME. SPORADIC TREE DAMAGE WAS NOTED ON THE EAST
SIDE OF TOWN. OVERALL, ESTIMATE THE PATH OF DAMAGE TO BE
APPROXIMATELY 25 MILES LONG AND 2 TO 3 MILES WIDE.
SPECIAL THANKS TO MO SEMA REGION B COORDINATOR FOR INITIAL DAMAGE
PHOTOS AND PUTNAM COUNTY EM FOR ASSISTING WITH THE SURVEY.
NOTE:
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT AND PUBLICATION IN NWS
STORM DATA.
KURTZ
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