Alert archive / Kansas / Tornado Warnings in 2011
Tornado Warning 14, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at May 21, 2011, 9:23 PM CDT for Osage County, Kansas. It was in force for 52 min. 6 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
- May 21, 2011, 9:23 PM CDT (02:23 UTC)
- Expired
- May 21, 2011, 10:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
County Osage County, KS
The radar
The Topeka radar (KTWX), 63 km from the middle of the area, began a volume at 02:24 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 |
|---|---|---|---|
| May 21, 9:33 PM CDT | TSTM WND DMG | 4 S Osage City, KS | 70 MPH WINDS |
| May 21, 9:48 PM CDT | HAIL 1 | Lyndon, KS | |
| May 21, 9:56 PM CDT | FUNNEL CLOUD | 4 S Lyndon, KS | |
| May 21, 10:10 PM CDT | HAIL 1 | 2 S Osage City, KS | |
| May 21, 10:15 PM CDT | HAIL 2.75 | Osage City, KS | |
| May 21, 10:15 PM CDT | TORNADO | 5 S Osage City, KS | RELAYED BY OSAGE COUNTY EM |
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 |
|---|---|---|---|
| May 21, 3:41 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.4 hours before the alert went out and 254 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
- 804 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1618 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 6.0
The text
As transmitted, in the capitals the NWS used until 2016.
601
WFUS53 KTOP 220223
TORTOP
KSC139-220315-
/O.NEW.KTOP.TO.W.0014.110522T0223Z-110522T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
923 PM CDT SAT MAY 21 2011
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL OSAGE COUNTY IN EAST CENTRAL KANSAS...
* UNTIL 1015 PM CDT
* AT 919 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.
THIS TORNADO WAS LOCATED 8 MILES NORTHWEST OF MELVERN LAKE...OR
9 MILES SOUTHWEST OF OSAGE CITY...MOVING NORTHEAST AT 30 MPH. THIS
REPLACES THE PREVIOUS TORNADO WARNING FOR OSAGE COUNTY.
* LOCATIONS IMPACTED INCLUDE...
MELVERN LAKE...
OSAGE CITY...
MELVERN...
LYNDON...
QUENEMO...
POMONA LAKE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW!
LARGE DESTRUCTIVE HAIL IS ALSO LIKELY ALONG AND NORTH OF THE EXPECTED
TORNADO TRACK.
STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST
SEVERE WEATHER INFORMATION.
&&
LAT...LON 3868 9551 3865 9550 3851 9551 3846 9595
3870 9595 3871 9590 3879 9550 3870 9550
TIME...MOT...LOC 0223Z 239DEG 26KT 3855 9590
HAIL 2.75IN
$$
ANGLE3 follow-up statements
721
WWUS53 KTOP 220229
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
929 PM CDT SAT MAY 21 2011
KSC139-220315-
/O.CON.KTOP.TO.W.0014.000000T0000Z-110522T0315Z/
OSAGE-
929 PM CDT SAT MAY 21 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR CENTRAL
OSAGE COUNTY...
AT 924 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS CONTINUE TO TRACK AN EXTREMELY DANGEROUS TORNADO. THIS
TORNADO WAS LOCATED 7 MILES SOUTHWEST OF OSAGE CITY...MOVING
NORTHEAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
OSAGE CITY...LYNDON AND POMONA LAKE.
THIS TORNADO PRODUCED DAMAGE IN THE TOWN OF READING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW!
LARGE DESTRUCTIVE HAIL IS ALSO LIKELY ALONG AND NORTH OF THE EXPECTED
TORNADO TRACK.
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.
&&
LAT...LON 3868 9551 3865 9550 3851 9551 3846 9595
3870 9595 3871 9590 3879 9550 3870 9550
TIME...MOT...LOC 0228Z 246DEG 25KT 3855 9586
HAIL 2.75IN
$$
ANGLE097
WWUS53 KTOP 220237
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
937 PM CDT SAT MAY 21 2011
KSC139-220315-
/O.CON.KTOP.TO.W.0014.000000T0000Z-110522T0315Z/
OSAGE-
937 PM CDT SAT MAY 21 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR CENTRAL
OSAGE COUNTY...
AT 933 PM CDT...RADAR INDICATED STRONG ROTATION INDICATING A LIKELY
TORNADO...5 MILES SOUTH OF OSAGE CITY...MOVING NORTHEAST AT 25 MPH.
OSAGE COUNTY EMERGENCY MANAGEMENT REPORTED 70 MPH WINDS SOUTH OF
OSAGE CITY.
LOCATIONS IMPACTED INCLUDE...
OSAGE CITY...LYNDON...POMONA LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW!
THE TORNADO IS LIKELY WRAPPED IN RAIN AND VERY DIFFICULT TO SEE.
LARGE DESTRUCTIVE HAIL IS ALSO LIKELY ALONG AND NORTH OF THE EXPECTED
TORNADO TRACK.
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.
&&
LAT...LON 3879 9550 3870 9550 3868 9551 3851 9551
3848 9594 3866 9595 3869 9595 3870 9594
TIME...MOT...LOC 0236Z 243DEG 23KT 3858 9582
HAIL 2.75IN
$$
ANGLE202
WWUS53 KTOP 220302
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1002 PM CDT SAT MAY 21 2011
KSC139-220315-
/O.CON.KTOP.TO.W.0014.000000T0000Z-110522T0315Z/
OSAGE-
1002 PM CDT SAT MAY 21 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR OSAGE
COUNTY...
AT 956 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD.
THIS FUNNEL CLOUD WAS LOCATED NEAR LYNDON...OR 9 MILES EAST OF OSAGE
CITY...MOVING EAST AT 25 MPH.
LOCATIONS IMPACTED INCLUDE...
POMONA LAKE AND QUENEMO.
ANOTHER STORM THAT MAY PRODUCE A TORNADO WAS JUST SOUTHWEST OF OSAGE
CITY MOVING EAST AT 25 MPH TOWARD LYNDON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW...AND PROTECT YOURSELF FROM FLYING
DEBRIS!
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.
&&
LAT...LON 3879 9550 3870 9550 3868 9551 3851 9551
3848 9594 3866 9595 3869 9595 3870 9594
TIME...MOT...LOC 0301Z 261DEG 22KT 3859 9564
HAIL 1.25IN
$$
PHILLIPSThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:01 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie, Wabaunsee | 14 min |
| May 21, 7:26 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson | 34 min |
| May 21, 7:28 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson | 32 min |
| May 21, 7:35 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Shawnee | 25 min |
| May 21, 7:41 PM CDT | Tornado Warning | TOP | Jefferson | 49 min |
| May 21, 7:56 PM CDT | Severe Thunderstorm Warning | TOP | Brown, Jackson, Jefferson | 49 min |
| May 21, 8:03 PM CDT | Special Weather Statement | TOP | Lyon | 42 min |
| May 21, 8:20 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Morris | 55 min |
| May 21, 8:22 PM CDT | River Flood Warning | TOP | Ottawa, Saline | 30 hr |
| May 21, 8:30 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson | 45 min |
| May 21, 8:34 PM CDT | Special Weather Statement | TOP | Shawnee | 56 min |
| May 21, 8:41 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson, Shawnee | 33 min |
| May 21, 8:52 PM CDT | Tornado Warning | TOP | Lyon | 39 min |
| May 21, 9:08 PM CDT | Tornado Warning | TOP | Osage | 52 min |
| May 21, 9:13 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 47 min |
| May 21, 9:34 PM CDT | Tornado Warning | TOP | Jefferson | 56 min |
| May 21, 9:43 PM CDT | Severe Thunderstorm Warning | TOP | Lyon | 32 min |
| May 21, 9:55 PM CDT | Tornado Warning | TOP | Douglas, Franklin | 65 min |
| May 21, 10:12 PM CDT | Tornado Warning | TOP | Osage | 48 min |
| May 21, 10:55 PM CDT | Severe Thunderstorm Warning | TOP | Coffey, Franklin, Osage | 35 min |
| May 21, 10:57 PM CDT | Tornado Warning | TOP | Douglas, Franklin | 63 min |
| May 21, 11:13 PM CDT | Tornado Warning | TOP | Coffey, Franklin, Osage | 47 min |
| May 21, 11:58 PM CDT | Severe Thunderstorm Warning | TOP | Franklin | 33 min |
Nearby
Tornado Warnings in Kansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.