Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 252, NWS Kansas City, MO

June 26, 20119 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 26, 2011, 11:25 PM CDT for 9 counties in Missouri. It was in force for 50 min. 3 reports 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: Jun 26, 2011, 11:25 PM CDT (04:25 UTC)
Expired: Jun 27, 2011, 12:15 AM CDT
In force: 50 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Platte County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 103 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.

What was reported inside it

Time	Report	Where	Remark
Jun 26, 11:45 PM CDT	TSTM WND DMG	Cameron, MO	LARGE TREE FELL AND CAUSED GAS LEAK.
Jun 26, 11:52 PM CDT	TSTM WND GST 60	Braymer, MO
Jun 27, 12:01 AM CDT	TSTM WND DMG	Cameron, MO	EMERGENCY MANAGER REPORTS AT CAMERON MEMORIAL AIRPORT WIND DAMAGE OF TIED DOWN AIRPLANE FLIPPED OVER. NUMEROUS UNTIED AIRPLANES MOVED AROUND NO DAMAGE. RAINFALL AMOUNT 3.90 MEASURED. WEATHER STATION RECORDED PEAK WIND AT 12AM OF 57 KNOTS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 26, 6:55 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.4 hours before the alert went out and 126 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3777 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1305 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 307 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 17.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

841 
WUUS53 KEAX 270425
SVREAX
MOC003-021-025-047-049-061-063-165-177-270515-
/O.NEW.KEAX.SV.W.0252.110627T0425Z-110627T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1125 PM CDT SUN JUN 26 2011

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ANDREW COUNTY IN NORTHWEST MISSOURI...
  BUCHANAN COUNTY IN NORTHWEST MISSOURI...
  CALDWELL COUNTY IN NORTH CENTRAL MISSOURI...
  NORTHWESTERN CLAY COUNTY IN WEST CENTRAL MISSOURI...
  CLINTON COUNTY IN NORTHWEST MISSOURI...
  SOUTHWESTERN DAVIESS COUNTY IN NORTH CENTRAL MISSOURI...
  DEKALB COUNTY IN NORTHWEST MISSOURI...
  NORTHERN PLATTE COUNTY IN WEST CENTRAL MISSOURI...
  NORTHWESTERN RAY COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 1215 AM CDT

* AT 1124 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH...AND QUARTER SIZE HAIL.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTH OF GALLATIN TO 7
  MILES NORTH OF CAMERON TO 5 MILES NORTH OF AGENCY...AND MOVING
  SOUTH AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CAMERON...GOWER...PLATTSBURG...HAMILTON...WESTON...LATHROP...
  OSBORN...AGENCY...DEARBORN...EDGERTON...CAMDEN POINT...KINGSTON...
  TRIMBLE...HOLT...POLO...COWGILL...BRAYMER...ALTAMONT...FAUCETT AND
  KIDDER.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
NORTHEAST KANSAS AND NORTHERN MISSOURI.

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 3964 9376 3959 9376 3945 9427 3941 9492
      3973 9490 3975 9486 3977 9487 3977 9490
      3981 9487 3983 9488 3988 9458 4001 9419
TIME...MOT...LOC 0425Z 345DEG 38KT 4002 9396 3982 9421
          3971 9471
WIND...HAIL 60MPH 1.00IN

$$

HAWBLITZEL

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 26, 7:01 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Nodaway	29 min
Jun 26, 7:03 PM CDT	Severe Thunderstorm Warning	EAX	Schuyler	27 min
Jun 26, 7:28 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	47 min
Jun 26, 7:32 PM CDT	Tornado Warning	EAX	Nodaway	43 min
Jun 26, 7:57 PM CDT	Areal Flood Advisory	EAX	Nodaway	6 hr
Jun 26, 8:14 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Nodaway, Worth	16 min
Jun 26, 9:37 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Nodaway	38 min
Jun 26, 10:11 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt, Nodaway	49 min
Jun 26, 10:19 PM CDT	Severe Thunderstorm Warning	EAX	Putnam	26 min
Jun 26, 10:29 PM CDT	Areal Flood Advisory	EAX	Atchison, Holt, Nodaway	6 hr
Jun 26, 10:32 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Worth	28 min
Jun 26, 10:45 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, DeKalb, Gentry, Holt, Nodaway	45 min
Jun 26, 10:45 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Schuyler	30 min
Jun 26, 10:54 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Gentry, Grundy, Harrison, Mercer, Worth	36 min
Jun 26, 11:24 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, Grundy, Harrison, Linn, Livingston and 3 more	36 min
Jun 26, 11:33 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Holt	42 min
Jun 26, 11:42 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Chariton, Grundy, Linn, Livingston, Macon and 4 more	48 min
Jun 26, 11:44 PM CDT	Areal Flood Advisory	EAX	Gentry, Grundy, Harrison, Mercer, Worth	6 hr
Jun 26, 11:44 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Chariton, Clinton, Daviess, Linn and 2 more	46 min
Jun 26, 11:48 PM CDT	Areal Flood Advisory	EAX	Andrew, Daviess, DeKalb, Gentry	6 hr
Jun 26, 11:50 PM CDT	Areal Flood Advisory	EAX	Adair, Putnam, Schuyler, Sullivan	6 hr
Jun 27, 12:10 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Holt	50 min
Jun 27, 12:13 AM CDT	Severe Thunderstorm Warning	EAX	Adair, Carroll, Chariton, Cooper, Howard, Linn and 3 more	47 min
Jun 27, 12:26 AM CDT	Areal Flood Advisory	EAX	Andrew, Buchanan, Holt	6 hr
Jun 27, 12:34 AM CDT	Areal Flood Advisory	EAX	Caldwell, Clinton, DeKalb	5 hr
Jun 27, 12:51 AM CDT	Severe Thunderstorm Warning	EAX	Atchison, Nodaway	24 min
Jun 27, 12:55 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, DeKalb, Holt	50 min
Jun 27, 1:10 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Clay, Clinton, Ray	35 min
Jun 27, 1:28 AM CDT	River Flood Warning	EAX	Andrew, Holt, Nodaway	31 hr
Jun 27, 1:28 AM CDT	River Flood Warning	EAX	Atchison, Holt	26 hr
Jun 27, 1:42 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Ray	48 min
Jun 27, 1:44 AM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Caldwell, Clinton, Daviess, DeKalb	46 min
Jun 27, 1:47 AM CDT	River Flood Warning	EAX	Linn, Livingston	55 hr
Jun 27, 1:47 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	4 days
Jun 27, 1:53 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb, Gentry	37 min
Jun 27, 1:55 AM CDT	Special Weather Statement	EAX	Bates, Cass	50 min
Jun 27, 2:12 AM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte	33 min
Jun 27, 2:50 AM CDT	Flash Flood Warning	EAX	Andrew, DeKalb, Gentry, Holt, Nodaway	6 hr
Jun 27, 3:18 AM CDT	Special Weather Statement	EAX	Henry, Jackson, Johnson	42 min
Jun 27, 3:25 AM CDT	River Flood Warning	EAX	Adair, Macon, Putnam, Schuyler	34 hr
Jun 27, 3:58 AM CDT	Special Weather Statement	EAX	Andrew, DeKalb	62 min
Jun 27, 4:47 AM CDT	Special Weather Statement	EAX	Clay, Clinton, Platte, Ray	43 min
Jun 27, 5:36 AM CDT	Special Weather Statement	EAX	Cass, Jackson, Johnson, Lafayette	39 min
Jun 27, 6:19 AM CDT	Special Weather Statement	EAX	Bates, Henry, Johnson, Pettis	41 min
Jun 27, 6:30 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	33 hr
Jun 27, 6:49 AM CDT	River Flood Warning	EAX	Andrew, Nodaway	9 hr
Jun 27, 6:49 AM CDT	River Flood Warning	EAX	Carroll	3 days
Jun 27, 6:58 AM CDT	River Flood Warning	EAX	Buchanan	70 hr
Jun 27, 7:47 AM CDT	River Flood Warning	EAX	Daviess, Gentry	13 hr
Jun 27, 7:57 AM CDT	River Flood Warning	EAX	Daviess, Livingston	13 hr
Jun 27, 8:29 AM CDT	River Flood Warning	EAX	Clay, Ray	7 hr
Jun 27, 8:46 AM CDT	River Flood Warning	EAX	Ray	36 hr
Jun 27, 8:58 AM CDT	Areal Flood Warning	EAX	Andrew, Buchanan, DeKalb, Gentry, Holt, Nodaway	48 hr
Jun 27, 9:20 AM CDT	River Flood Warning	EAX	Platte	5 days
Jun 27, 9:20 AM CDT	River Flood Warning	EAX	Platte	5 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2011 Every severe thunderstorm warning in 2011

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.