Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 3, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Feb 28, 2012, 9:47 PM CST for Leavenworth County, Kansas; 4 counties in Missouri. It was in force for 28 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Feb 28, 2012, 9:47 PM CST (03:47 UTC)
- Expired
- Feb 28, 2012, 10:15 PM CST
- In force
- 28 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Leavenworth County, KS, Buchanan County, MO, Clay County, MO, Clinton County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 90 km from the middle of the area, began a volume at 03:48 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 28, 10:15 PM CST | TSTM WND GST 65 | 5 E Smithville, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 3.8 hours before the alert went out and 93 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.
670
WUUS53 KEAX 290347
SVREAX
KSC103-MOC021-047-049-165-290415-
/O.NEW.KEAX.SV.W.0003.120229T0347Z-120229T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
947 PM CST TUE FEB 28 2012
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN LEAVENWORTH COUNTY IN NORTHEAST KANSAS...
SOUTHERN BUCHANAN COUNTY IN NORTHWEST MISSOURI...
NORTHWESTERN CLAY COUNTY IN WEST CENTRAL MISSOURI...
WESTERN CLINTON COUNTY IN NORTHWEST MISSOURI...
NORTHERN PLATTE COUNTY IN WEST CENTRAL MISSOURI...
* UNTIL 1015 PM CST
* AT 943 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 6 MILES SOUTH OF WATHENA TO 7 MILES SOUTHEAST OF RUSHVILLE TO
WESTON...AND MOVING EAST AT 55 MPH. NICKEL SIZE HAIL MAY ALSO
ACCOMPANY THESE DAMAGING WINDS.
* LOCATIONS IMPACTED INCLUDE...
PLATTE CITY...GOWER...SMITHVILLE...PLATTSBURG...TRACY...DEARBORN...
CAMDEN POINT...AGENCY...EDGERTON...TRIMBLE...FAUCETT...HOOVER...
RIDGELY AND EASTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3942 9502 3942 9497 3945 9501 3951 9499
3967 9502 3975 9443 3974 9436 3958 9434
3939 9440 3930 9505
TIME...MOT...LOC 0347Z 262DEG 46KT 3968 9489 3953 9486
3942 9488
WIND...HAIL 60MPH 0.88IN
$$
CUTTER2 follow-up statements
635
WWUS53 KEAX 290406
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1006 PM CST TUE FEB 28 2012
KSC103-290415-
/O.CAN.KEAX.SV.W.0003.000000T0000Z-120229T0415Z/
LEAVENWORTH KS-
1006 PM CST TUE FEB 28 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LEAVENWORTH
COUNTY IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING IN NORTHEASTERN
LEAVENWORTH COUNTY HAVE MOVED OUT OF THE WARNED AREA.
LAT...LON 3958 9472 3971 9471 3975 9443 3974 9436
3958 9434 3939 9440 3933 9486
TIME...MOT...LOC 0405Z 262DEG 46KT 3971 9459 3955 9457
3937 9467
$$
MOC021-047-049-165-290415-
/O.CON.KEAX.SV.W.0003.000000T0000Z-120229T0415Z/
BUCHANAN MO-CLAY MO-CLINTON MO-PLATTE MO-
1006 PM CST TUE FEB 28 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
PLATTE...WESTERN CLINTON...NORTHWESTERN CLAY AND SOUTHEASTERN
BUCHANAN COUNTIES UNTIL 1015 PM CST...
AT 1003 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 7 MILES NORTH OF GOWER TO EDGERTON TO PLATTE CITY...MOVING EAST
AT 55 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
SMITHVILLE...PLATTSBURG AND TRIMBLE.
THIS WILL IMPACT
I-29 BETWEEN MILE MARKERS 17 AND 24.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3958 9472 3971 9471 3975 9443 3974 9436
3958 9434 3939 9440 3933 9486
TIME...MOT...LOC 0405Z 262DEG 46KT 3971 9459 3955 9457
3937 9467
WIND...HAIL 60MPH 0.88IN
$$
CUTTER398
WWUS53 KEAX 290414
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1014 PM CST TUE FEB 28 2012
MOC021-047-049-165-290423-
/O.EXP.KEAX.SV.W.0003.000000T0000Z-120229T0415Z/
BUCHANAN MO-CLAY MO-CLINTON MO-PLATTE MO-
1014 PM CST TUE FEB 28 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PLATTE...WESTERN
CLINTON...NORTHWESTERN CLAY AND SOUTHEASTERN BUCHANAN COUNTIES WILL
EXPIRE AT 1015 PM CST...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.
LAT...LON 3958 9472 3971 9471 3975 9443 3974 9436
3958 9434 3939 9440 3933 9486
TIME...MOT...LOC 0413Z 262DEG 46KT 3972 9446 3956 9444
3938 9454
$$
CUTTERThe 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 | Johnson, Leavenworth, Wyandotte | 31 min |
| Feb 28, 10:16 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Wyandotte | 29 min |
| Feb 28, 10:30 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 30 min |
| Feb 28, 10:34 PM CST | Special Weather Statement | EAX | Miami | 26 min |
| Feb 28, 10:37 PM CST | Special Weather Statement | EAX | Linn | 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 |
| Feb 29, 12:19 AM CST | Special Weather Statement | EAX | Macon | 41 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2012Severe Thunderstorm Warnings in Kansas, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.