Alert archive / Missouri / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 256, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Aug 12, 2010, 2:06 PM CDT for Clay County, Jackson County, Missouri. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 12, 2010, 2:06 PM CDT (19:06 UTC)
- Expired
- Aug 12, 2010, 2:30 PM CDT
- In force
- 24 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Clay County, MO, Jackson County, MO
The radar
The Pleasant Hill radar (KEAX), 40 km from the middle of the area, began a volume at 19:07 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 12, 2:05 PM CDT, 1 minute earlier.
Area forecast discussion, Aug 12, 2:05 PM CDT, 1 minute before
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</html>Hazardous weather outlook, Aug 12, 1:00 PM CDT, 1 hour 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 100 PM CDT THU AUG 12 2010 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-131100- 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- 100 PM CDT THU AUG 12 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT VERY HOT AND HUMID CONDITIONS WILL CONTINUE THIS AFTERNOON...WITH TEMPERATURES CLIMBING INTO THE MIDDLE 90S ACROSS NORTHEAST MISSOURI...TO THE LOWER 100S ACROSS WEST CENTRAL MISSOURI AND EAST CENTRAL KANSAS. HEAT INDICES WILL BE AT THEIR GREATEST BETWEEN NOON AND 6 PM... AND GENERALLY WILL RANGE FROM 105 TO 115. AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT THROUGH FRIDAY. IN ADDITION...WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP AFTER 1 PM ALONG AND WEST OF A ST. JOSEPH TO WARRENSBURG LINE... INCLUDING THE KANSAS CITY METRO. CONDITIONS ARE ONCE AGAIN FAVORABLE FOR ISOLATED SEVERE WEATHER IN THE FORM OF DAMAGING DOWNBURST WINDS OF 60 TO 80 MPH. THUNDERSTORM CHANCES WILL DIMINISH QUICKLY AFTER SUNSET. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THE OPPRESSIVE HEAT AND HUMIDITY WILL LINGER THROUGH FRIDAY ACROSS THE ENTIRE OUTLOOK AREA. THE HEAT MAY LINGER GENERALLY SOUTH OF LINE FROM PAOLA KANSAS TO SEDALIA MISSOURI THROUGH SATURDAY. HIGH TEMPERATURES AGAIN WILL RANGE FROM THE MIDDLE 90S ACROSS NORTHEAST MISSOURI TO THE LOWER 100S ACROSS EAST CENTRAL KANSAS AND WEST CENTRAL MISSOURI. THESE HOT TEMPERATURES COMBINED WITH HIGH HUMIDITY WILL LEAD TO AFTERNOON HEAT INDICES GENERALLY RANGING FROM 105 TO 115 DEGREES EACH AFTERNOON. ADDITIONALLY...OVERNIGHT LOWS WILL REMAIN VERY WARM THROUGH THIS STRETCH OF EXCESSIVE HEAT...WHICH WILL RESULT IN LITTLE NIGHTTIME RELIEF FROM THE HOT AND HUMID CONDITIONS. A POTENT LATE SUMMER COLD FRONT WILL MOVE INTO THE OUTLOOK AREA FRIDAY NIGHT INTO SATURDAY...BRINGING BETTER CHANCES OF THUNDERSTORMS TO THE REGION AND AN END TO THE OPPRESSIVE HEAT. STRONG TO SEVERE STORMS ARE POSSIBLE WITH THE FRONTAL BOUNDARY... WITH DAMAGING WINDS THE PRIMARY RISK FRIDAY EVENING INTO EARLY SATURDAY MORNING ACROSS THE ENTIRE OUTLOOK AREA. ADDITIONAL SEVERE WEATHER MAY BE POSSIBLE ACROSS CENTRAL MISSOURI ON SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EARLY THIS EVENING ACROSS FAR WESTERN MISSOURI AND ADJACENT EASTERN KANSAS. SPOTTERS MAY ALSO BE NEEDED FRIDAY EVENING INTO EARLY SATURDAY MORNING ACROSS THE ENTIRE OUTLOOK AREA...AND ACROSS CENTRAL MISSOURI ON SATURDAY. BOOKBINDER
In the hours before
Local storm report, Aug 12, 10:42 AM CDT, 3 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1042 AM CDT THU AUG 12 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0615 PM DOWNBURST 3 E LEES SUMMIT 38.92N 94.33W
08/11/2010 JACKSON MO NWS EMPLOYEE
A SERIES OF WET MICROBURSTS IMPACTED SOUTHEAST PORTIONS
OF LEES SUMMIT BETWEEN 615 AND 630 PM...WITH DAMAGE
FOCUSED IN AN AREA BETWEEN HIGHWAY 50 AND LANSGFORD
RD...EAST OF TODD GEORGE ROAD. SEVERAL DOZEN TREES WERE
SNAPPED...CAUSING SECONDARY DAMAGE TO FENCES AND SEVERAL
HOMES. DAMAGE WAS ALSO NOTED TO ROOF SHINGLES AND HOME
SIDING. WIND SPEEDS ARE ESTIMATED TO HAVE REACHED BETWEEN
70 AND 80 MPH.
&&
BOOKBINDERSpecial weather statement, Aug 12, 1:35 PM CDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 135 PM CDT THU AUG 12 2010 MOZ029-121900- CLAY MO- 135 PM CDT THU AUG 12 2010 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL CLAY COUNTY UNTIL 200 PM CDT... AT 132 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR FERRELVIEW...OR 6 MILES NORTH OF GLADSTONE...MOVING EAST AT 20 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... LIBERTY. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. LAT...LON 3937 9441 3922 9441 3923 9461 3936 9461 TIME...MOT...LOC 1834Z 270DEG 16KT 3929 9457 CDB
Local storm report, Aug 12, 2:03 PM CDT, 3 minutes before
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</html>The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 7:09 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 16 min |
| Aug 11, 8:07 PM CDT | Special Weather Statement | EAX | Lafayette | 38 min |
| Aug 11, 8:43 PM CDT | Special Weather Statement | EAX | Saline | 47 min |
| Aug 11, 9:28 PM CDT | Special Weather Statement | EAX | Cooper | 62 min |
| Aug 11, 9:46 PM CDT | Special Weather Statement | EAX | Cooper | 44 min |
| Aug 12, 1:35 PM CDT | Special Weather Statement | EAX | Clay | 25 min |
| Aug 12, 1:56 PM CDT | Severe Thunderstorm Warning | EAX | Clay | 34 min |
| Aug 12, 2:31 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Ray | 29 min |
| Aug 11, 7:15 PM CDT | Special Weather Statement | EAX | Linn | 45 min |
| Aug 11, 7:31 PM CDT | Flash Flood Warning | EAX | Linn | 4 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2010Every severe thunderstorm warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.