Alert archive / Kansas / Tornado Warnings in 2011
Tornado Warning 4, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at Apr 14, 2011, 5:34 PM CDT for Cloud County, Ottawa County, Kansas. It was in force for 26 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
- Apr 14, 2011, 5:34 PM CDT (22:34 UTC)
- Expired
- Apr 14, 2011, 6:00 PM CDT
- In force
- 26 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
Counties Cloud County, KS, Ottawa County, KS
The radar
The Topeka radar (KTWX), 111 km from the middle of the area, began a volume at 22:35 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 |
|---|---|---|---|
| Apr 14, 2:10 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KFOE), launched 12:00Z, 10.6 hours before the alert went out and 160 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1539 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
712
WFUS53 KTOP 142234
TORTOP
KSC029-143-142300-
/O.NEW.KTOP.TO.W.0004.110414T2234Z-110414T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
534 PM CDT THU APR 14 2011
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN CLOUD COUNTY IN NORTH CENTRAL KANSAS...
NORTHEASTERN OTTAWA COUNTY IN NORTH CENTRAL KANSAS...
* UNTIL 600 PM CDT
* AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A
TORNADO. THIS SEVERE STORM WAS LOCATED 5 MILES NORTHEAST OF
WELLS...OR 12 MILES NORTHEAST OF MINNEAPOLIS...MOVING NORTH AT 45
MPH.
* LOCATIONS IMPACTED INCLUDE...
MILTONVALE...
AURORA...
WELLS...
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 3956 9736 3910 9736 3908 9737 3907 9756
3954 9771
TIME...MOT...LOC 2234Z 175DEG 37KT 3925 9751
HAIL 1.00IN
$$
LEIGHTON2 follow-up statements
142 WWUS53 KTOP 142251 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 551 PM CDT THU APR 14 2011 KSC143-142301- /O.CAN.KTOP.TO.W.0004.000000T0000Z-110414T2300Z/ OTTAWA- 551 PM CDT THU APR 14 2011 ...THE TORNADO WARNING FOR NORTHEASTERN OTTAWA COUNTY HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO HAS MOVED NORTH OF THE COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 3954 9771 3956 9736 3931 9736 3930 9764 TIME...MOT...LOC 2251Z 171DEG 39KT 3941 9756 $$ KSC029-142300- /O.CON.KTOP.TO.W.0004.000000T0000Z-110414T2300Z/ CLOUD- 551 PM CDT THU APR 14 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR SOUTHEASTERN CLOUD COUNTY... AT 549 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 4 MILES SOUTH OF AURORA...OR 14 MILES SOUTHEAST OF CONCORDIA...MOVING NORTH AT 45 MPH. LOCATIONS IMPACTED INCLUDE... AURORA. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW! STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 3954 9771 3956 9736 3931 9736 3930 9764 TIME...MOT...LOC 2251Z 171DEG 39KT 3941 9756 HAIL 1.00IN $$ LEIGHTON
323 WWUS53 KTOP 142258 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 558 PM CDT THU APR 14 2011 KSC029-142309- /O.EXP.KTOP.TO.W.0004.000000T0000Z-110414T2300Z/ CLOUD- 558 PM CDT THU APR 14 2011 ...THE TORNADO WARNING FOR SOUTHEASTERN CLOUD COUNTY WILL EXPIRE AT 600 PM CDT... AT 559 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORM WITH THE POSSIBLE TORNADO HAD WEAKENED AND NO LONGER APPEARED CAPABLE OF PRODUCING TORNADOES OR OTHER SEVERE WEATHER...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT. STAY ALERT TO THE WEATHER. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 3954 9771 3956 9736 3931 9736 3930 9764 TIME...MOT...LOC 2259Z 171DEG 39KT 3950 9758 $$ LEIGHTON
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 2:07 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 53 min |
| Apr 14, 2:43 PM CDT | Special Weather Statement | TOP | Washington | 32 min |
| Apr 14, 5:11 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson | 34 min |
| Apr 14, 5:33 PM CDT | Tornado Warning | TOP | Clay, Dickinson, Ottawa | 27 min |
| Apr 14, 5:47 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Morris | 28 min |
| Apr 14, 5:58 PM CDT | Tornado Warning | TOP | Clay, Dickinson | 32 min |
| Apr 14, 6:03 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Dickinson, Geary, Riley | 42 min |
| Apr 14, 6:09 PM CDT | Severe Thunderstorm Warning | TOP | Morris, Wabaunsee | 36 min |
| Apr 14, 6:14 PM CDT | Severe Thunderstorm Warning | TOP | Lyon | 46 min |
| Apr 14, 6:21 PM CDT | Tornado Warning | TOP | Clay, Washington | 24 min |
| Apr 14, 6:43 PM CDT | Tornado Warning | TOP | Washington | 32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.