Alert archive / Kansas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 49, NWS Wichita, KS

April 16, 2017Chautauqua County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 16, 2017, 7:01 PM CDT for Chautauqua County, Kansas. It was in force for 42 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 16, 2017, 7:01 PM CDT (00:01 UTC)
Expired
Apr 16, 2017, 7:43 PM CDT
In force
42 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Chautauqua County, KS

The radar

The Wichita radar (KICT), 116 km from the middle of the area, began a volume at 00:03 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.0 hours before the alert went out and 225 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2017-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1796 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2017-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1796 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.1

Open this sounding in Storm Lab

The text

As transmitted.

727 
WUUS53 KICT 170001
SVRICT
KSC019-170100-
/O.NEW.KICT.SV.W.0049.170417T0001Z-170417T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
701 PM CDT SUN APR 16 2017

The National Weather Service in Wichita has issued a

* Severe Thunderstorm Warning for...
  Southwestern Chautauqua County in southeastern Kansas...

* Until 800 PM CDT

* At 701 PM CDT, a severe thunderstorm was located near Elgin, or 9
  miles southeast of Cedar Vale, moving northeast at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Sedan, Cedar Vale, Chautauqua and Elgin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3700 9652 3712 9652 3717 9613 3700 9613
TIME...MOT...LOC 0001Z 240DEG 11KT 3700 9639 

HAIL...1.00IN
WIND...60MPH
 
$$

KETCHAM
3 follow-up statements
242 
WWUS53 KICT 170015
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
715 PM CDT SUN APR 16 2017

KSC019-170100-
/O.CON.KICT.SV.W.0049.000000T0000Z-170417T0100Z/
Chautauqua KS-
715 PM CDT SUN APR 16 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHWESTERN CHAUTAUQUA COUNTY...

At 715 PM CDT, a severe thunderstorm was located near Elgin, or 10
miles southeast of Cedar Vale, moving northeast at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Sedan, Cedar Vale, Chautauqua and Elgin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3700 9652 3712 9652 3717 9613 3700 9613
TIME...MOT...LOC 0015Z 240DEG 11KT 3702 9634 

HAIL...1.00IN
WIND...60MPH
 
$$

KETCHAM
479 
WWUS53 KICT 170036
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
736 PM CDT SUN APR 16 2017

KSC019-170100-
/O.CON.KICT.SV.W.0049.000000T0000Z-170417T0100Z/
Chautauqua KS-
736 PM CDT SUN APR 16 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHWESTERN CHAUTAUQUA COUNTY...

At 736 PM CDT, a severe thunderstorm was located over Elgin, or 8
miles southwest of Sedan, moving east at 10 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Chautauqua and Elgin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3700 9645 3706 9643 3713 9613 3700 9613
TIME...MOT...LOC 0036Z 256DEG 10KT 3702 9627 

HAIL...1.00IN
WIND...60MPH
 
$$

KETCHAM
241 
WWUS53 KICT 170043
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
743 PM CDT SUN APR 16 2017

KSC019-170053-
/O.CAN.KICT.SV.W.0049.000000T0000Z-170417T0100Z/
Chautauqua KS-
743 PM CDT SUN APR 16 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CHAUTAUQUA COUNTY
IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

LAT...LON 3700 9645 3706 9643 3713 9613 3700 9613
TIME...MOT...LOC 0042Z 240DEG 11KT 3703 9625 

$$

KETCHAM

The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 7:27 PM CDTSpecial Weather StatementICTSumner63 min
Apr 17, 3:25 AM CDTAreal Flood WarningICTChautauqua, Cowley6 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2017Every severe thunderstorm warning in 2017

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.