Alert archive / Kansas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 49, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at May 11, 2011, 12:00 PM CDT for Cloud County, Ottawa County, Kansas. It was in force for 45 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 11, 2011, 12:00 PM CDT (17:00 UTC)
- Expired
- May 11, 2011, 12:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cloud County, KS, Ottawa County, KS
The radar
The Grand Island radar (KUEX), 133 km from the middle of the area, began a volume at 16:59 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 11, 12:39 PM CDT | HAIL 0.75 | 3 Nw Minneapolis, KS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 5.0 hours before the alert went out and 191 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
- 2161 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
770
WUUS53 KTOP 111700
SVRTOP
KSC029-143-111745-
/O.NEW.KTOP.SV.W.0049.110511T1700Z-110511T1745Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1200 PM CDT WED MAY 11 2011
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN CLOUD COUNTY IN NORTH CENTRAL KANSAS...
WESTERN OTTAWA COUNTY IN NORTH CENTRAL KANSAS...
* UNTIL 1245 PM CDT
* AT 1155 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES
WEST OF TESCOTT...OR 18 MILES SOUTHWEST OF MINNEAPOLIS...MOVING
NORTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
ADA...
MINNEAPOLIS...
DELPHOS...
GLASCO...
THIS STORM PRODUCED QUARTER SIZE HAIL AND 50 TO 60 MPH WINDS ACROSS
LINCOLN AND ELLSWORTH COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE FOR LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN IF YOU
ARE IN THE PATH OF THIS STORM. FOR YOUR SAFETY...TAKE COVER INSIDE A
BUILDING NOW.
STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST
SEVERE WEATHER INFORMATION.
&&
LAT...LON 3951 9794 3941 9742 3896 9782 3895 9793
3901 9794
TIME...MOT...LOC 1659Z 206DEG 35KT 3904 9800
WIND...HAIL 60MPH 1.00IN
$$
PHILLIPS2 follow-up statements
944 WWUS53 KTOP 111725 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 1225 PM CDT WED MAY 11 2011 KSC029-143-111745- /O.CON.KTOP.SV.W.0049.000000T0000Z-110511T1745Z/ OTTAWA-CLOUD- 1225 PM CDT WED MAY 11 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR SOUTHERN CLOUD AND WESTERN OTTAWA COUNTIES... AT 1223 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 4 MILES EAST OF ADA...OR 6 MILES WEST OF MINNEAPOLIS...MOVING NORTH AT 45 MPH. LOCATIONS IMPACTED INCLUDE... ADA...DELPHOS AND GLASCO. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR SAFETY MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OR A BASEMENT. IF YOU ARE OUTSIDE...SEEK SHELTER IN A BUILDING AWAY FROM WINDOWS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 3910 9793 3951 9794 3941 9742 3904 9775 TIME...MOT...LOC 1725Z 199DEG 39KT 3917 9780 WIND...HAIL 60MPH 1.00IN $$ PHILLIPS
197 WWUS53 KTOP 111738 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 1238 PM CDT WED MAY 11 2011 KSC029-143-111745- /O.CON.KTOP.SV.W.0049.000000T0000Z-110511T1745Z/ OTTAWA-CLOUD- 1238 PM CDT WED MAY 11 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR SOUTHERN CLOUD AND NORTHWESTERN OTTAWA COUNTIES... AT 1232 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5 MILES SOUTH OF DELPHOS...OR 7 MILES NORTHWEST OF MINNEAPOLIS...MOVING NORTHEAST AT 40 MPH. ANOTHER POTENTIALLY SEVERE STORM WAS LOCATED WEST OF MILTONVALE...ALSO MOVING NORTH NORTHEAST AT 35 TO 40 MPH. LOCATIONS IMPACTED INCLUDE... DELPHOS... GLASCO. PRECAUTIONARY/PREPAREDNESS ACTIONS... PREPARE FOR LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN IF YOU ARE IN THE PATH OF THIS STORM. FOR YOUR SAFETY...TAKE COVER INSIDE A BUILDING NOW. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 3922 9793 3951 9794 3941 9742 3913 9767 TIME...MOT...LOC 1737Z 204DEG 35KT 3925 9774 WIND...HAIL 60MPH 1.00IN $$ PHILLIPS
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:44 PM CDT | Special Weather Statement | TOP | Morris | 16 min |
| May 11, 12:44 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Cloud, Ottawa, Republic, Washington | 31 min |
| May 11, 12:56 PM CDT | Special Weather Statement | TOP | Washington | 34 min |
| May 11, 1:04 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Washington | 27 min |
| May 11, 5:12 PM CDT | Severe Thunderstorm Warning | TOP | Coffey, Lyon | 33 min |
| May 11, 5:39 PM CDT | Special Weather Statement | TOP | Lyon | 36 min |
| May 11, 6:40 PM CDT | Special Weather Statement | TOP | Douglas | 35 min |
| May 11, 6:44 PM CDT | Special Weather Statement | TOP | Brown | 31 min |
| May 11, 6:50 PM CDT | Severe Thunderstorm Warning | TOP | Brown | 25 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2011Every severe thunderstorm warning 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.