Alert archive / Missouri / Tornado Warnings in 2011
Tornado Warning 52, NWS Kansas City, MO
NWS Kansas City, MO issued this tornado warning at Jun 19, 2011, 10:11 PM CDT for Atchison County, Missouri. It was in force for 34 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 19, 2011, 10:11 PM CDT (03:11 UTC)
- Expired
- Jun 19, 2011, 10:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
County Atchison County, MO
The radar
The Omaha radar (KOAX), 124 km from the middle of the area, began a volume at 03:11 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 19, 6:51 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 3.2 hours before the alert went out and 124 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
- 2452 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1426 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
120
WFUS53 KEAX 200311
TOREAX
MOC005-200345-
/O.NEW.KEAX.TO.W.0052.110620T0311Z-110620T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1011 PM CDT SUN JUN 19 2011
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN ATCHISON COUNTY IN NORTHWEST MISSOURI...
* UNTIL 1045 PM CDT
* AT 1006 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
TRACKING A CONFIRMED TORNADO 8 MILES NORTH OF TARKIO. DOPPLER RADAR
SHOWED THIS TORNADO MOVING EAST AT 15 MPH CROSSING HIGHWAY 59.
* 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 9520 4055 9520 4050 9520 4054 9548
4059 9548
TIME...MOT...LOC 0311Z 275DEG 14KT 4056 9538
HAIL <.75IN
$$
BOOKBINDER3 follow-up statements
208 WWUS53 KEAX 200323 SVSEAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1023 PM CDT SUN JUN 19 2011 MOC005-200345- /O.CON.KEAX.TO.W.0052.000000T0000Z-110620T0345Z/ ATCHISON MO- 1023 PM CDT SUN JUN 19 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ATCHISON COUNTY UNTIL 1045 PM CDT... AT 1016 PM CDT...A TORNADO WAS DETECTED 9 MILES SOUTHWEST OF COIN IOWA...OR 9 MILES NORTH OF TARKIO...MOVING EAST AT 15 MPH. THIS STORM HAS A RECENT HISTORY OF PRODUCING A TORNADO JUST WEST OF HIGHWAY 59. LOCATIONS IMPACTED INCLUDE... WESTBORO TO THE IOWA BORDER. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4052 9520 4055 9543 4058 9542 4058 9520 TIME...MOT...LOC 0322Z 273DEG 11KT 4057 9534 HAIL <.75IN $$ BOOKBINDER
248 WWUS53 KEAX 200333 SVSEAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1033 PM CDT SUN JUN 19 2011 MOC005-200345- /O.CON.KEAX.TO.W.0052.000000T0000Z-110620T0345Z/ ATCHISON MO- 1033 PM CDT SUN JUN 19 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ATCHISON COUNTY UNTIL 1045 PM CDT... AT 1027 PM CDT...A TORNADO WAS INDICATED BY RADAR 7 MILES SOUTHWEST OF COIN IOWA...OR 9 MILES NORTH OF TARKIO...MOVING EAST AT 15 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF NORTHEASTERN ATCHISON COUNTY ALONG THE IMMEDIATE IOWA BORDER NORTH AND EAST OF WESTBORO. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && LAT...LON 4055 9537 4058 9536 4058 9520 4053 9520 TIME...MOT...LOC 0333Z 273DEG 11KT 4057 9530 HAIL <.75IN $$ BOOKBINDER
470 WWUS53 KEAX 200341 SVSEAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1041 PM CDT SUN JUN 19 2011 MOC005-200350- /O.EXP.KEAX.TO.W.0052.000000T0000Z-110620T0345Z/ ATCHISON MO- 1041 PM CDT SUN JUN 19 2011 ...THE TORNADO WARNING FOR NORTHEASTERN ATCHISON COUNTY WILL EXPIRE AT 1045 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS MOVED BACK ACROSS THE IOWA STATE LINE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 2 AM...AND ADDITIONAL SEVERE THUNDERSTORMS COULD IMPACT THE AREA OVER THE NEXT SEVERAL HOURS. LAT...LON 4055 9537 4058 9536 4058 9520 4053 9520 TIME...MOT...LOC 0340Z 273DEG 11KT 4057 9527 $$ BOOKBINDER
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 9:41 PM CDT | Tornado Warning | EAX | Atchison | 34 min |
| Jun 19, 9:42 PM CDT | Tornado Warning | EAX | Nodaway | 33 min |
| Jun 19, 10:13 PM CDT | Severe Thunderstorm Warning | EAX | Nodaway | 32 min |
| Jun 19, 10:49 PM CDT | Special Weather Statement | EAX | Worth | 26 min |
| Jun 20, 1:54 AM CDT | Special Weather Statement | EAX | Schuyler | 36 min |
| Jun 20, 2:02 AM CDT | Special Weather Statement | EAX | Atchison | 13 min |
| Jun 20, 2:24 AM CDT | Special Weather Statement | EAX | Andrew, Gentry, Nodaway | 36 min |
| Jun 20, 3:19 AM CDT | Special Weather Statement | EAX | Daviess | 26 min |
| Jun 20, 3:23 AM CDT | Special Weather Statement | EAX | Gentry | 37 min |
| Jun 20, 9:45 AM CDT | Flash Flood Warning | EAX | Holt | 24 hr |
| Jun 20, 3:06 PM CDT | Flash Flood Watch | EAX | Atchison, Gentry, Harrison, Mercer, Nodaway, Putnam and 2 more | 9 hr |
Nearby
Tornado Warnings in Missouri, 2011Every tornado warning in 2011Tornadoes 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.