Alert archive / Kansas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 39, NWS Wichita, KS
NWS Wichita, KS issued this severe thunderstorm warning at Apr 8, 2011, 6:57 PM CDT for Cowley County, Sumner County, Kansas. It was in force for 63 min. 7 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
- Apr 8, 2011, 6:57 PM CDT (23:57 UTC)
- Expired
- Apr 8, 2011, 8:00 PM CDT
- In force
- 63 min
- Issued by
- NWS Wichita, KS
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Cowley County, KS, Sumner County, KS
The radar
The Wichita radar (KICT), 61 km from the middle of the area, began a volume at 23:55 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 8, 7:01 PM CDT | TSTM WND GST 60 | Strother Field Airport, KS | WINDS ESTIMATED TO BE 50 TO 60 MPH BY EMERGENCY MANAGER. |
| Apr 8, 7:09 PM CDT | HAIL 1 | 6 Wnw Atlanta, KS | |
| Apr 8, 7:30 PM CDT | HAIL 0.88 | 5 E Udall, KS | HAIL REPORT WAS RELAYED BY THE EMERGENCY MANAGER. |
| Apr 8, 7:42 PM CDT | HAIL 1 | 2 E Belle Plaine, KS | REPORT RELAYED BY EMERGENCY MANAGER. |
| Apr 8, 7:48 PM CDT | HAIL 1 | 3 S Arkansas City, KS | |
| Apr 8, 7:58 PM CDT | HAIL 1.5 | Arkansas City, KS | |
| Apr 8, 8:03 PM CDT | HAIL 1 | 1 N Arkansas City, 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 |
|---|---|---|---|
| Apr 8, 5:35 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 12.0 hours before the alert went out and 71 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
- 2243 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
459 WUUS53 KICT 082357 SVRICT KSC035-191-090100- /O.NEW.KICT.SV.W.0039.110408T2357Z-110409T0100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WICHITA KS 657 PM CDT FRI APR 8 2011 THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... COWLEY COUNTY IN SOUTH CENTRAL KANSAS... EASTERN SUMNER COUNTY IN SOUTH CENTRAL KANSAS... * UNTIL 800 PM CDT * AT 655 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5 MILES NORTHEAST OF GEUDA SPRINGS...OR 10 MILES SOUTHWEST OF WINFIELD...AND MOVING NORTHEAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... WINFIELD...OXFORD...UDALL...BURDEN...ATLANTA...ROCK AND CAMBRIDGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 3699 9744 3747 9724 3747 9651 3699 9685 TIME...MOT...LOC 2357Z 204DEG 29KT 3719 9709 WIND...HAIL 60MPH 1.50IN $$ MCGUIRE
2 follow-up statements
847 WWUS53 KICT 090007 SVSICT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA KS 707 PM CDT FRI APR 8 2011 KSC035-191-090100- /O.CON.KICT.SV.W.0039.000000T0000Z-110409T0100Z/ SUMNER KS-COWLEY KS- 707 PM CDT FRI APR 8 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR COWLEY AND EASTERN SUMNER COUNTIES UNTIL 800 PM CDT... AT 705 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZED HAIL...AND DAMAGING 60 TO 70 MPH WINDS. THIS STORM WAS LOCATED 5 MILES WEST OF WINFIELD...MOVING NORTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... WINFIELD...UDALL...BURDEN...ATLANTA...CAMBRIDGE AND ROCK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. THIS STORM HAS A HISTORY OF PRODUCING 50 TO 60 MPH WINDS AND GOLFBALL-SIZED HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 3699 9744 3747 9724 3747 9651 3699 9685 TIME...MOT...LOC 0006Z 204DEG 29KT 3726 9705 WIND...HAIL 60MPH 1.75IN $$ ES
278 WWUS53 KICT 090021 SVSICT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA KS 721 PM CDT FRI APR 8 2011 KSC035-191-090100- /O.CON.KICT.SV.W.0039.000000T0000Z-110409T0100Z/ SUMNER KS-COWLEY KS- 721 PM CDT FRI APR 8 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR COWLEY AND EASTERN SUMNER COUNTIES UNTIL 800 PM CDT... AT 718 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZED HAIL AND DAMAGING WINDS AROUND 60 MPH. THIS STORM WAS LOCATED NEAR UDALL...MOVING NORTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... UDALL...BURDEN...ATLANTA...CAMBRIDGE AND ROCK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 3699 9744 3747 9724 3747 9651 3699 9685 TIME...MOT...LOC 0020Z 204DEG 29KT 3736 9707 WIND...HAIL 60MPH 1.50IN $$ ES
The office that day
Everything else NWS Wichita, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 10:26 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Harvey, Marion | 33 min |
| Apr 7, 10:59 PM CDT | Severe Thunderstorm Warning | ICT | Chase | 30 min |
| Apr 8, 6:07 AM CDT | Dense Fog Advisory | ICT | Barton, Ellsworth, Harper, Harvey, Kingman, Lincoln and 7 more | 5 hr |
| Apr 8, 4:10 PM CDT | Fire Weather Watch | ICT | Barton, Butler, Chase, Chautauqua, Cowley, Elk and 14 more | 24 hr |
| Apr 8, 6:01 PM CDT | Severe Thunderstorm Warning | ICT | Cowley, Sumner | 59 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.