Alert archive / Kansas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 320, NWS Dodge City, KS

September 24, 2017Ness County, Trego County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Sep 24, 2017, 8:08 PM CDT for Ness County, Trego County, Kansas. It was in force for 52 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
Sep 24, 2017, 8:08 PM CDT (01:08 UTC)
Expired
Sep 24, 2017, 9:00 PM CDT
In force
52 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Ness County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 113 km from the middle of the area, began a volume at 01:11 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

Dodge City, (KDDC), launched 00:00Z, 1.1 hours before the alert went out and 112 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, Dodge City, at 00:00Z on 2017-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 710 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, Dodge City, at 00:00Z on 2017-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
710 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1243 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

257 
WUUS53 KDDC 250108
SVRDDC
KSC135-195-250200-
/O.NEW.KDDC.SV.W.0320.170925T0108Z-170925T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Dodge City KS
808 PM CDT SUN SEP 24 2017

The National Weather Service in Dodge City has issued a

* Severe Thunderstorm Warning for...
  North central Ness County in west central Kansas...
  Southeastern Trego County in west central Kansas...

* Until 900 PM CDT

* At 808 PM CDT, a severe thunderstorm was located near Arnold, or 17
  miles northwest of Ness City, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Ransom, Ogallah, Arnold, Trego Center and Cedar Bluff Reservoir. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3873 9960 3854 10006 3871 10016 3881 10015
      3912 9968
TIME...MOT...LOC 0108Z 229DEG 31KT 3867 10007 

HAIL...1.25IN
WIND...60MPH
 
$$

GERARD
2 follow-up statements
673 
WWUS53 KDDC 250134
SVSDDC

Severe Weather Statement
National Weather Service Dodge City KS
834 PM CDT SUN SEP 24 2017

KSC135-195-250200-
/O.CON.KDDC.SV.W.0320.000000T0000Z-170925T0200Z/
Ness KS-Trego KS-
834 PM CDT SUN SEP 24 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTH CENTRAL NESS AND SOUTHEASTERN TREGO COUNTIES...

At 834 PM CDT, a severe thunderstorm was located 4 miles south of
Trego Center, or 14 miles south of Wakeeney, moving northeast at 35
mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Ransom, Ogallah, Trego Center and Cedar Bluff Reservoir. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3858 9996 3870 10005 3887 10006 3912 9968
      3873 9960
TIME...MOT...LOC 0134Z 233DEG 31KT 3881 9987 

HAIL...<.75IN
WIND...60MPH
 
$$

GERARD
139 
WWUS53 KDDC 250151
SVSDDC

Severe Weather Statement
National Weather Service Dodge City KS
851 PM CDT SUN SEP 24 2017

KSC135-195-250200-
/O.EXP.KDDC.SV.W.0320.000000T0000Z-170925T0200Z/
Ness KS-Trego KS-
851 PM CDT SUN SEP 24 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL NESS AND
SOUTHEASTERN TREGO COUNTIES WILL EXPIRE AT 900 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However gusty winds
and heavy rain are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Dodge City.

LAT...LON 3858 9996 3870 10005 3887 10006 3912 9968
      3873 9960
TIME...MOT...LOC 0150Z 229DEG 31KT 3890 9973 

$$

GERARD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 7:09 PM CDTSevere Thunderstorm WarningDDCLane, Ness51 min
Sep 24, 9:04 PM CDTSpecial Weather StatementDDCTrego41 min
Sep 25, 7:15 AM CDTAreal Flood AdvisoryDDCHodgeman4 hr
Sep 25, 8:13 AM CDTAreal Flood AdvisoryDDCFord, Gray3 hr
Sep 25, 1:47 PM CDTAreal Flood WarningDDCPratt12 hr
Sep 25, 3:07 PM CDTAreal Flood WarningDDCBarber, Pratt12 hr
Sep 25, 3:34 PM CDTFlash Flood WarningDDCBarber, Comanche, Kiowa, Pratt, Stafford6 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.