Alert archive / Missouri / Tornado Warnings in 2015

Tornado Warning 9, NWS Kansas City, MO

June 11, 2015Atchison County, Missouri

NWS Kansas City, MO issued this tornado warning at Jun 11, 2015, 3:36 PM CDT for Atchison County, Missouri. It was in force for 24 min. 2 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 11, 2015, 3:36 PM CDT (20:36 UTC)
Expired: Jun 11, 2015, 4:00 PM CDT
In force: 24 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Atchison County, MO

The radar

The Omaha radar (KOAX), 127 km from the middle of the area, began a volume at 20:39 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 11, 3:45 PM CDT	TORNADO	1 N Tarkio, MO	FORMED AND DISSIPATED MULTIPLE TIMES. TIME ESTIMATED BY RADAR.
Jun 11, 4:00 PM CDT	TORNADO	7 Ne Tarkio, MO	BRIEF TORNADO

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 11, 1:53 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.6 hours before the alert went out and 127 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 630 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 288 m²/s²
0-3 km storm-relative helicity: 416 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

114 
WFUS53 KEAX 112036
TOREAX
MOC005-112100-
/O.NEW.KEAX.TO.W.0009.150611T2036Z-150611T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
336 PM CDT THU JUN 11 2015

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ATCHISON COUNTY IN NORTHWEST MISSOURI...

* UNTIL 400 PM CDT

* AT 333 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR TARKIO...AND MOVING EAST AT 15 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  TARKIO AND WESTBORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4058 9527 4058 9520 4048 9520 4048 9519
      4044 9519 4040 9555 4059 9553
TIME...MOT...LOC 2036Z 261DEG 14KT 4046 9544

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MELL

1 follow-up statement

237 
WWUS53 KEAX 112048
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
348 PM CDT THU JUN 11 2015

MOC005-112100-
/O.CON.KEAX.TO.W.0009.000000T0000Z-150611T2100Z/
ATCHISON MO-
348 PM CDT THU JUN 11 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ATCHISON
COUNTY UNTIL 400 PM CDT...

AT 347 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR TARKIO...AND MOVING EAST AT 15 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
WESTBORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4058 9541 4058 9520 4052 9520 4048 9520
      4048 9519 4044 9519 4042 9541 4059 9544
      4059 9542
TIME...MOT...LOC 2048Z 261DEG 14KT 4047 9538

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 7:09 PM CDT	Special Weather Statement	EAX	Putnam	51 min
Jun 10, 7:25 PM CDT	Areal Flood Advisory	EAX	Putnam, Schuyler	4 hr
Jun 10, 7:46 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Schuyler	44 min
Jun 11, 3:36 AM CDT	Areal Flood Advisory	EAX	Atchison, Holt, Nodaway	6 hr
Jun 11, 4:35 AM CDT	Flash Flood Watch	EAX	Adair, Andrew, Atchison, Daviess, DeKalb, Gentry and 9 more	23 hr
Jun 11, 6:20 AM CDT	River Flood Warning	EAX	Atchison, Holt	69 hr
Jun 11, 7:01 AM CDT	Areal Flood Advisory	EAX	Atchison, Holt	4 hr
Jun 11, 10:07 AM CDT	River Flood Warning	EAX	Andrew, Nodaway	68 hr
Jun 11, 10:07 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	4 days
Jun 11, 10:23 AM CDT	River Flood Warning	EAX	Linn, Livingston	4 days
Jun 11, 10:23 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	7 days
Jun 11, 10:23 AM CDT	River Flood Warning	EAX	Carroll, Chariton	10 days
Jun 11, 10:29 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	8 days
Jun 11, 10:29 AM CDT	River Flood Warning	EAX	Buchanan, Platte	7 days
Jun 11, 10:29 AM CDT	River Flood Warning	EAX	Platte	5 days
Jun 11, 10:29 AM CDT	River Flood Warning	EAX	Clay, Jackson, Ray	9 days
Jun 11, 10:29 AM CDT	River Flood Warning	EAX	Jackson, Lafayette, Ray	20 days
Jun 11, 10:29 AM CDT	River Flood Warning	EAX	Chariton, Howard, Saline	9 days
Jun 11, 10:29 AM CDT	River Flood Warning	EAX	Cooper, Howard	10 days
Jun 11, 10:35 AM CDT	River Flood Warning	EAX	Andrew, Holt, Nodaway	62 hr
Jun 11, 10:35 AM CDT	River Flood Warning	EAX	Buchanan	8 days
Jun 11, 10:35 AM CDT	River Flood Warning	EAX	Platte	9 days
Jun 11, 10:35 AM CDT	River Flood Warning	EAX	Platte	10 days
Jun 11, 3:42 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt	48 min
Jun 11, 3:57 PM CDT	Tornado Warning	EAX	Atchison, Nodaway	33 min
Jun 11, 4:09 PM CDT	Tornado Warning Tornado observed	EAX	Atchison, Nodaway	18 min
Jun 11, 4:13 PM CDT	Flash Flood Warning	EAX	Atchison, Holt, Nodaway	4 hr
Jun 11, 4:44 PM CDT	Tornado Warning	EAX	Nodaway	6 min
Jun 11, 4:46 PM CDT	Tornado Warning	EAX	Holt	29 min
Jun 11, 4:47 PM CDT	Tornado Warning	EAX	Holt, Nodaway	28 min
Jun 11, 5:12 PM CDT	Tornado Warning	EAX	Nodaway	33 min
Jun 11, 5:40 PM CDT	Flash Flood Warning	EAX	Gentry, Nodaway, Worth	7 hr
Jun 11, 5:40 PM CDT	Tornado Warning	EAX	Gentry, Nodaway	26 min
Jun 11, 5:44 PM CDT	Severe Thunderstorm Warning	EAX	Harrison, Worth	46 min
Jun 11, 5:57 PM CDT	Tornado Warning	EAX	Gentry, Harrison, Worth	33 min
Jun 11, 6:12 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Holt, Nodaway	48 min
Jun 11, 6:20 PM CDT	Flash Flood Warning	EAX	Andrew, Holt	4 hr
Jun 11, 6:20 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Harrison, Mercer	40 min
Jun 11, 6:25 PM CDT	Flash Flood Warning	EAX	Gentry, Harrison, Worth	4 hr
Jun 11, 6:51 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb, Gentry	39 min
Jun 11, 6:55 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Putnam, Sullivan	50 min

Nearby

Tornado Warnings in Missouri, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.