Alert archive / Kansas / Tornado Warnings in 2011
Tornado Warning 6, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at Apr 14, 2011, 6:21 PM CDT for Clay County, Washington County, Kansas. It was in force for 24 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
- Apr 14, 2011, 6:21 PM CDT (23:21 UTC)
- Expired
- Apr 14, 2011, 6:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
Counties Clay County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 101 km from the middle of the area, began a volume at 23:22 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 |
|---|---|---|---|
| Apr 14, 6:23 PM CDT | HAIL 0.75 | 5 S Palmer, KS | HAIL SIZE RANGED FROM DIME TO PENNY SIZE AND COVERED THE GROUND |
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 |
|---|---|---|---|
| Apr 14, 2:10 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KFOE), launched 12:00Z, 11.4 hours before the alert went out and 144 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.
694 WFUS53 KTOP 142321 TORTOP KSC027-201-142345- /O.NEW.KTOP.TO.W.0006.110414T2321Z-110414T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TOPEKA KS 621 PM CDT THU APR 14 2011 THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL CLAY COUNTY IN NORTH CENTRAL KANSAS... SOUTH CENTRAL WASHINGTON COUNTY IN NORTH CENTRAL KANSAS... * UNTIL 645 PM CDT * AT 618 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 CLAY CENTER...MOVING NORTH AT 35 MPH. A SECOND SEVERE THUNDERSTORM WITH ROTATION CAPABLE OF PRODUCING A TORNADO WAS LOCATED 3 MILES SOUTH OF CLAY CENTER...MOVING TO THE NORTH AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... CLAY CENTER... MORGANVILLE... PALMER... LINN... 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 3969 9725 3969 9698 3933 9709 3934 9722 TIME...MOT...LOC 2320Z 183DEG 31KT 3944 9713 HAIL 1.00IN $$ LEIGHTON
1 follow-up statement
742 WWUS53 KTOP 142333 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 633 PM CDT THU APR 14 2011 KSC027-201-142345- /O.CON.KTOP.TO.W.0006.000000T0000Z-110414T2345Z/ WASHINGTON-CLAY- 633 PM CDT THU APR 14 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR NORTH CENTRAL CLAY AND SOUTH CENTRAL WASHINGTON COUNTIES... AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED 7 MILES SOUTH OF PALMER...OR 11 MILES NORTH OF CLAY CENTER...MOVING NORTH AT 35 MPH. LOCATIONS IMPACTED INCLUDE... PALMER AND LINN. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW! STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 3946 9723 3969 9725 3969 9698 3947 9705 TIME...MOT...LOC 2333Z 183DEG 31KT 3955 9712 HAIL 1.00IN $$ 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, 5:34 PM CDT | Tornado Warning | TOP | Cloud, Ottawa | 26 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, 6:43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.