Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 182, NWS Kansas City, MO

June 9, 2011Atchison County, Holt County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 9, 2011, 9:43 PM CDT for Atchison County, Holt County, Missouri. It was in force for 18 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: Jun 9, 2011, 9:43 PM CDT (02:43 UTC)
Expired: Jun 9, 2011, 10:01 PM CDT
In force: 18 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Atchison County, MO, Holt County, MO

The radar

The Omaha radar (KOAX), 133 km from the middle of the area, began a volume at 02:47 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 9, 3:05 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.7 hours before the alert went out and 133 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: 151 J/kg
Mixed-layer CIN: -389 J/kg
Mixed-layer LCL: 539 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 426 m²/s²
0-3 km storm-relative helicity: 608 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 14.0

Open this sounding in Storm Lab

The text

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

947 
WUUS53 KEAX 100243
SVREAX
MOC005-087-100315-
/O.NEW.KEAX.SV.W.0182.110610T0243Z-110610T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
943 PM CDT THU JUN 9 2011

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN ATCHISON COUNTY IN NORTHWEST MISSOURI...
  NORTHWESTERN HOLT COUNTY IN NORTHWEST MISSOURI...

* UNTIL 1015 PM CDT

* AT 938 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH...AND QUARTER SIZE HAIL.  THIS STORM WAS LOCATED NEAR
  SHUBERT...OR 12 MILES NORTH OF FALLS CITY...AND MOVING NORTHEAST AT
  50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROCKPORT...FAIRFAX...PHELPS CITY AND CORNING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR NORTHEASTERN 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 4052 9551 4025 9522 4017 9547 4019 9549
      4022 9547 4024 9549 4025 9555 4026 9556
      4029 9556 4031 9561 4030 9565 4031 9566
      4034 9563 4041 9566
TIME...MOT...LOC 0243Z 240DEG 42KT 4026 9559
WIND...HAIL 60MPH 1.00IN

$$

21

1 follow-up statement

886 
WWUS53 KEAX 100301
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1001 PM CDT THU JUN 9 2011

MOC005-087-100311-
/O.CAN.KEAX.SV.W.0182.000000T0000Z-110610T0315Z/
HOLT MO-ATCHISON MO-
1001 PM CDT THU JUN 9 2011

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN ATCHISON AND
NORTHWESTERN HOLT COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.  HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 4052 9551 4025 9522 4017 9547 4019 9549
      4022 9547 4024 9549 4025 9555 4026 9556
      4029 9556 4031 9561 4030 9565 4031 9566
      4034 9563 4041 9566
TIME...MOT...LOC 0301Z 240DEG 42KT 4036 9535

$$

21

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 7:00 PM CDT	Severe Thunderstorm Warning	EAX	Macon	30 min
Jun 9, 7:05 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Sullivan	25 min
Jun 9, 7:07 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, DeKalb	23 min
Jun 9, 7:20 PM CDT	Areal Flood Advisory	EAX	Sullivan	6 hr
Jun 9, 7:26 PM CDT	Severe Thunderstorm Warning	EAX	Linn	34 min
Jun 9, 7:28 PM CDT	Severe Thunderstorm Warning	EAX	Sullivan	32 min
Jun 9, 7:28 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison	32 min
Jun 9, 7:42 PM CDT	Areal Flood Advisory	EAX	Daviess	6 hr
Jun 9, 7:55 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Livingston	35 min
Jun 9, 7:56 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Linn, Livingston	34 min
Jun 9, 8:04 PM CDT	Flash Flood Warning	EAX	Sullivan	6 hr
Jun 9, 8:12 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Sullivan	33 min
Jun 9, 8:13 PM CDT	Flash Flood Warning	EAX	Daviess	4 hr
Jun 9, 8:20 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Livingston	25 min
Jun 9, 8:44 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Linn, Livingston	31 min
Jun 9, 8:47 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Linn, Macon	43 min
Jun 9, 9:14 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Linn, Livingston, Sullivan	46 min
Jun 9, 9:28 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Macon	47 min
Jun 9, 9:29 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt	31 min
Jun 9, 9:37 PM CDT	Flash Flood Warning	EAX	Adair, Linn, Macon, Sullivan	6 hr
Jun 9, 9:58 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon, Sullivan	32 min
Jun 9, 10:02 PM CDT	Special Weather Statement	EAX	Atchison, Holt, Nodaway, Worth	43 min
Jun 9, 10:06 PM CDT	Flash Flood Warning	EAX	Grundy, Linn, Livingston	6 hr
Jun 9, 10:25 PM CDT	Special Weather Statement	EAX	Bates, Cass	50 min
Jun 9, 10:27 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	18 min
Jun 9, 10:28 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon	62 min
Jun 9, 11:24 PM CDT	High Wind Warning	EAX	Bates, Cass	3 hr
Jun 10, 12:31 AM CDT	Areal Flood Warning	EAX	Adair, Daviess, Grundy, Linn, Livingston, Macon and 1 more	10 hr
Jun 10, 8:20 AM CDT	Special Weather Statement	EAX	Buchanan	40 min
Jun 10, 8:43 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	17 hr
Jun 10, 8:43 AM CDT	River Flood Warning	EAX	Carroll, Chariton	36 hr
Jun 10, 6:13 PM CDT	Special Weather Statement	EAX	Pettis	47 min
Jun 10, 6:34 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	41 min
Jun 10, 6:48 PM CDT	Special Weather Statement	EAX	Howard	42 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.