Alert archive / Kansas / Tornado Warnings in 2011
Tornado Warning 19, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at May 21, 2011, 11:13 PM CDT for Coffey County, Franklin County, Osage County, Kansas. It was in force for 47 min. 1 report 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, 11:13 PM CDT (04:13 UTC)
- Expired
- May 22, 2011, 12:00 AM CDT
- In force
- 47 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
Counties Coffey County, KS, Franklin County, KS, Osage County, KS
The radar
The Topeka radar (KTWX), 87 km from the middle of the area, began a volume at 04:15 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, 11:14 PM CDT | HAIL 0.88 | 3 S Melvern, KS |
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, 4.2 hours before the alert went out and 230 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.
805 WFUS53 KTOP 220413 TORTOP KSC031-059-139-220500- /O.NEW.KTOP.TO.W.0019.110522T0413Z-110522T0500Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TOPEKA KS 1113 PM CDT SAT MAY 21 2011 THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN COFFEY COUNTY IN EAST CENTRAL KANSAS... SOUTHWESTERN FRANKLIN COUNTY IN EAST CENTRAL KANSAS... SOUTHEASTERN OSAGE COUNTY IN EAST CENTRAL KANSAS... * UNTIL MIDNIGHT CDT * AT 1110 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A TORNADO. THIS SEVERE STORM WAS LOCATED NEAR BETO JUNCTION...OR 15 MILES SOUTHEAST OF OSAGE CITY...MOVING EAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... MELVERN... WAVERLY... WILLIAMSBURG... RICHMOND... PRINCETON... THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 154 AND 182. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW! STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 3860 9528 3840 9523 3839 9575 3850 9578 TIME...MOT...LOC 0413Z 257DEG 29KT 3845 9565 HAIL 1.75IN $$
2 follow-up statements
166 WWUS53 KTOP 220427 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 1127 PM CDT SAT MAY 21 2011 KSC031-059-139-220500- /O.CON.KTOP.TO.W.0019.000000T0000Z-110522T0500Z/ OSAGE-COFFEY-FRANKLIN- 1127 PM CDT SAT MAY 21 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR SOUTHWESTERN FRANKLIN...NORTHEASTERN COFFEY AND SOUTHEASTERN OSAGE COUNTIES... AT 1124 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED 6 MILES SOUTHWEST OF WILLIAMSBURG...OR 19 MILES NORTHEAST OF BURLINGTON...MOVING EAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... WILLIAMSBURG...PRINCETON AND RICHMOND. THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 161 AND 182. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOS ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW! IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 3841 9566 3853 9561 3860 9528 3840 9523 TIME...MOT...LOC 0427Z 261DEG 30KT 3843 9552 HAIL 1.75IN $$
733
WWUS53 KTOP 220440
SVSTOP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1140 PM CDT SAT MAY 21 2011
KSC031-220450-
/O.CAN.KTOP.TO.W.0019.000000T0000Z-110522T0500Z/
COFFEY-
1140 PM CDT SAT MAY 21 2011
...THE TORNADO WARNING FOR NORTHEASTERN COFFEY COUNTY HAS BEEN
CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS EXITED THE COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.
&&
LAT...LON 3840 9523 3841 9551 3843 9551 3844 9554
3855 9552 3860 9528
TIME...MOT...LOC 0440Z 260DEG 21KT 3845 9545
$$
KSC059-139-220500-
/O.CON.KTOP.TO.W.0019.000000T0000Z-110522T0500Z/
OSAGE-FRANKLIN-
1140 PM CDT SAT MAY 21 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHWESTERN FRANKLIN AND SOUTHEASTERN OSAGE COUNTIES...
AT 1138 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF
PRODUCING A TORNADO. THIS STORM WAS LOCATED NEAR WILLIAMSBURG...OR
16 MILES SOUTHWEST OF OTTAWA...MOVING EAST AT 25 MPH.
LOCATIONS IMPACTED INCLUDE...
PRINCETON.
THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 167 AND 182.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOS ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.
&&
LAT...LON 3840 9523 3841 9551 3843 9551 3844 9554
3855 9552 3860 9528
TIME...MOT...LOC 0440Z 260DEG 21KT 3845 9545
HAIL 1.75IN
$$The 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, 9:23 PM CDT | Tornado Warning | TOP | Osage | 52 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, 11:58 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.