Alert archive / Missouri / Special Weather Statements in 2012
Special Weather Statement, NWS Kansas City, MO
NWS Kansas City, MO issued this special weather statement at Feb 29, 2012, 12:19 AM CST for Macon County, Missouri. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 29, 2012, 12:19 AM CST (06:19 UTC)
- Expired
- Feb 29, 2012, 1:00 AM CST
- In force
- 41 min
- Issued by
- NWS Kansas City, MO
County Macon County, MO
The radar
The Pleasant Hill radar (KEAX), 196 km from the middle of the area, began a volume at 06:22 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, 6.3 hours before the alert went out and 292 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
- 37 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 427 m²/s²
- 0-3 km storm-relative helicity
- 451 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Feb 28, 11:29 PM CST, 50 minutes earlier.
Area forecast discussion, Feb 28, 11:29 PM CST, 50 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 559 PM CST TUE FEB 28 2012 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-291215- 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- 559 PM CST TUE FEB 28 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS. .DAY ONE...TONIGHT A POWERFUL STORM SYSTEM WILL MOVE THROUGH THE CENTRAL PLAINS THIS EVENING. EXTENSIVE THUNDERSTORM ACTIVITY IS DEVELOPING ACROSS CENTRAL KANSAS THIS EVENING...AND WILL MOVE INTO EASTERN KANSAS AND WESTERN MISSOURI LATER TONIGHT. A FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE WESTERN PORTIONS OF THE OUTLOOK AREA AS A POTENTIAL BROKEN LINE OF FAST MOVING THUNDERSTORMS MOVES INTO THE REGION. THE STRONGEST THUNDERSTORMS WILL BE CAPABLE OF PRODUCING DAMAGING WINDS...AND POTENTIALLY AN ISOLATED TORNADO. THE THUNDERSTORM ACTIVITY WILL QUICKLY END FROM WEST TO EAST AFTER MIDNIGHT AS A COLD FRONT MOVES THROUGH THE AREA. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY STRONG AND GUSTY WINDS ARE EXPECTED ACROSS FAR NORTHERN MISSOURI DURING THE DAY ON WEDNESDAY. SUSTAINED WINDS NEAR 30 MPH WITH GUSTS APPROACHING 40 MPH WILL BE COMMON FROM THE MID MORNING THROUGH LATE AFTERNOON HOURS. THERE IS A CHANCE FOR THUNDERSTORMS ON FRIDAY AFTERNOON OVER CENTRAL MISSOURI ALONG A COLD FRONT. NO SEVERE WEATHER IS EXPECTED. SNOW WILL BE POSSIBLE FRIDAY AFTERNOON AND EVENING OVER NORTHEAST KANSAS AND NORTHWEST MISSOURI AS A STORM SYSTEM EJECTS NORTHEAST. MINOR ACCUMULATIONS ARE POSSIBLE...GENERALLY ALONG NORTH OF A LINE FROM KANSAS CITY TO KIRKSVILLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING. CUTTER
In the hours before
Local storm report, Feb 28, 11:10 PM CST, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1110 PM CST TUE FEB 28 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1043 PM TSTM WND DMG 3 E WEATHERBY 39.91N 94.18W
02/28/2012 DAVIESS MO EMERGENCY MNGR
TWO MOBILE HOMES BLOWN OVER ALONG WITH POWER LINES DOWN.
2 PEOPLE TRAPPED.
&&
DDEROCHESpecial weather statement, Feb 28, 11:13 PM CST, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1113 PM CST TUE FEB 28 2012 MOZ030>032-038-039-290545- CARROLL MO-CHARITON MO-LAFAYETTE MO-RAY MO-SALINE MO- 1113 PM CST TUE FEB 28 2012 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN SALINE... SOUTHEASTERN RAY...NORTHERN LAFAYETTE...SOUTHERN CHARITON AND CARROLL COUNTIES UNTIL 1145 PM CST... AT 1111 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES NORTHWEST OF CARROLLTON TO WELLINGTON...AND MOVING EAST AT 50 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE... LEXINGTON...CARROLLTON...HARDIN...NORBORNE...BOSWORTH...WAVERLY... BRUNSWICK...MALTA BEND...KEYTESVILLE...BOGARD...DOVER...TRIPLETT... WAKENDA...GRAND PASS...DE WITT...MIAMI AND DALTON. THESE STORMS MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS AREA. 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. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. LAT...LON 3955 9278 3916 9315 3913 9410 3952 9375 TIME...MOT...LOC 0513Z 259DEG 43KT 3949 9360 3916 9396 CUTTER
Local storm report, Feb 28, 11:16 PM CST, 1 hour 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 |
|---|---|---|---|---|
| Feb 28, 9:44 PM CST | Severe Thunderstorm Warning | EAX | Platte | 31 min |
| Feb 28, 9:47 PM CST | Severe Thunderstorm Warning | EAX | Buchanan, Clay, Clinton, Platte | 28 min |
| Feb 28, 10:16 PM CST | Severe Thunderstorm Warning | EAX | Clay, Jackson, Platte | 29 min |
| Feb 28, 10:30 PM CST | Severe Thunderstorm Warning | EAX | Clay, Jackson, Platte | 30 min |
| Feb 28, 10:34 PM CST | Special Weather Statement | EAX | Cass | 26 min |
| Feb 28, 10:37 PM CST | Special Weather Statement | EAX | Bates | 23 min |
| Feb 28, 10:55 PM CST | Severe Thunderstorm Warning | EAX | Clay, Jackson, Lafayette, Ray | 26 min |
| Feb 28, 11:02 PM CST | Special Weather Statement | EAX | Cass | 28 min |
| Feb 28, 11:02 PM CST | Severe Thunderstorm Warning | EAX | Caldwell, Carroll, Chariton, Linn, Livingston | 28 min |
| Feb 28, 11:04 PM CST | Special Weather Statement | EAX | Bates, Henry | 26 min |
| Feb 28, 11:13 PM CST | Special Weather Statement | EAX | Carroll, Chariton | 32 min |
| Feb 28, 11:31 PM CST | Severe Thunderstorm Warning | EAX | Carroll, Chariton, Linn, Macon | 29 min |
| Feb 28, 11:35 PM CST | Special Weather Statement | EAX | Henry | 25 min |
| Feb 29, 12:03 AM CST | Severe Thunderstorm Warning | EAX | Macon | 12 min |
Nearby
Special Weather Statements in Missouri, 2012Every special weather statement in 2012
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.