Alert archive / Missouri / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 17, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Mar 9, 2009, 11:28 PM CDT for Bates County, Missouri; Linn County, Kansas. It was in force for 32 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
- Mar 9, 2009, 11:28 PM CDT (04:28 UTC)
- Expired
- Mar 10, 2009, 12:00 AM CDT
- In force
- 32 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
Counties Linn County, KS, Bates County, MO
The radar
The Pleasant Hill radar (KEAX), 70 km from the middle of the area, began a volume at 04:29 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.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 4.5 hours before the alert went out and 125 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 756 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 307 m²/s²
- 0-3 km storm-relative helicity
- 531 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Mar 9, 7:52 PM CDT, 3 hours 36 minutes earlier.
Area forecast discussion, Mar 9, 7:52 PM CDT, 3 hours 36 minutes before
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</html>Hazardous weather outlook, Mar 9, 12:51 PM CDT, 10 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1251 PM CDT MON MAR 9 2009 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-101800- 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- 1251 PM CDT MON MAR 9 2009 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 A WARM FRONT IS SLOWLY WORKING NORTH THROUGH SOUTHERN MISSOURI AND KANSAS THIS AFTERNOON...WITH DEEPER MOISTURE AND INSTABILITY LAGGING FURTHER SOUTH INTO OKLAHOMA. SHOWERS AND EMBEDDED THUNDERSTORMS HAVE ALREADY DEVELOPED ACROSS SOUTHERN KANSAS...AND WILL MOVE INTO MUCH OF THE OUTLOOK AREA THIS AFTERNOON. IF INSTABILITY MEASURES CAN INCREASE RAPIDLY LATE THIS AFTERNOON AND EVENING...A FEW SEVERE THUNDERSTORMS MAY BE POSSIBLE IN ANY STRONGER STORMS...GENERALLY SOUTH OF THE MISSOURI RIVER...WITH HAIL THE PRIMARY THREAT. AN ISOLATED TORNADO CANNOT BE RULED OUT...HOWEVER WOULD BE VERY UNLIKELY. A MUCH MORE SIGNIFICANT THREAT WILL BE EXCESSIVE RAINFALL AND FLOODING THIS EVENING THROUGH THE OVERNIGHT HOURS. RAINFALL RATES IN EXCESS OF ONE INCH PER HOUR...WITH STORMS REPEATEDLY MOVING OVER THE SAME AREA WILL LIKELY LEAD TO WIDESPREAD RAINFALL AMOUNTS IN THE 1 TO 2 INCH RANGE...WITH SOME AREAS RECEIVING UP TO OR IN EXCESS OF 3 INCHES. MUCH OF THIS RAIN WILL FALL OVER AREAS THAT RECEIVED HEAVY RAIN THIS PAST WEEKEND...AND ON TOP OF NEARLY SATURATED GROUND. AS A RESULT...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR A LARGE PORTION OF THE OUTLOOK AREA THROUGH TUESDAY MORNING. IN ADDITION...EXTENSIVE RIVER FLOODING CAN BE EXPECTED FOR THE NEXT SEVERAL DAYS DUE TO THE RUNOFF FROM THIS EXCESSIVE RAINFALL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THUNDERSTORMS FROM OVERNIGHT WILL EXIT THE OUTLOOK AREA TUESDAY MORNING...AS A COLD FRONT PUSHES INTO NORTHWEST MISSOURI. ADDITIONAL THUNDERSTORM DEVELOPMENT AND POSSIBLE SEVERE WEATHER MAY OCCUR ALONG AND AHEAD OF THIS STRONG COLD FRONT TUESDAY AFTERNOON ACROSS THE FAR EASTERN PARTS OF THE OUTLOOK AREA. ANY THUNDERSTORMS THAT HAPPEN TO DEVELOP IN THE OUTLOOK AREA WILL QUICKLY MOVE SOUTH AND EAST BY LATE TUESDAY AFTERNOON. BEHIND THIS STRONG COLD FRONT TUESDAY AFTERNOON...GUSTY NORTHWEST WINDS WILL SURGE INTO NORTHERN MISSOURI. LOCATIONS NORTH OF THE MISSOURI RIVER MAY EXPERIENCE STRONG SUSTAINED WINDS BETWEEN 20 AND 30 MPH...WITH GUSTS AS HIGH AS 45 MPH LATE TUESDAY AFTERNOON THROUGH TUESDAY EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED FOR A BRIEF PERIOD LATE THIS AFTERNOON AND EVENING ACROSS AREAS SOUTH OF INTERSTATE 70. 21
In the hours before
Special weather statement, Mar 9, 10:44 PM CDT, 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1044 PM CDT MON MAR 9 2009 MOZ043-044-054-100430- CASS-HENRY-JOHNSON- 1044 PM CDT MON MAR 9 2009 ...SIGNIFICANT WEATHER ALERT FOR EASTERN CASS...JOHNSON AND NORTHWESTERN HENRY COUNTIES UNTIL 1130 PM CDT... AT 1041 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES WEST OF KINGSVILLE TO EAST LYNNE TO GARDEN CITY TO 7 MILES SOUTH OF GARDEN CITY...MOVING EAST AT 40 MPH. WINDS AROUND 50 MPH ARE EXPECTED WITH THESE STORMS. THESE STORMS WILL BE NEAR... KINGSVILLE BY 1050 PM CDT. HOLDEN AND CREIGHTON BY 1055 PM CDT. URICH BY 1100 PM CDT. CHILHOWEE BY 1110 PM CDT. WARRENSBURG BY 1115 PM CDT. LEETON BY 1125 PM CDT. THE TOWNS OF LA TOUR...PITTSVILLE...QUICK CITY...BLAIRSTOWN... CENTERVIEW AND POST OAK ARE ALSO IN THE PATH OF THESE STORMS. 19
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 10:40 PM CDT | Areal Flood Advisory | EAX | Jackson, Lafayette | 6 hr |
| Mar 9, 10:59 PM CDT | Areal Flood Advisory | EAX | Cass, Johnson | 6 hr |
| Mar 10, 4:59 AM CDT | Areal Flood Warning | EAX | Cass, Johnson | 29 hr |
| Mar 10, 6:49 AM CDT | Areal Flood Warning | EAX | Adair, Caldwell, Carroll, Chariton, Howard, Lafayette and 6 more | 36 hr |
| Mar 10, 1:05 PM CDT | Areal Flood Warning | EAX | Jackson | 23 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2009Severe Thunderstorm Warnings in Kansas, 2009Every severe thunderstorm warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.