Alert archive / Colorado / Tornado Warnings in 2017

Tornado Warning 12, NWS Goodland, KS

May 26, 2017Kit Carson County, Colorado; Sherman County, Kansas

NWS Goodland, KS issued this tornado warning at May 26, 2017, 7:15 PM MDT for Kit Carson County, Colorado; Sherman County, Kansas. It was in force for 17 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
May 26, 2017, 7:15 PM MDT (01:15 UTC)
Expired
May 26, 2017, 7:32 PM MDT
In force
17 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Tornado
Observed
Hail
2.0 in

Counties Kit Carson County, CO, Sherman County, KS

The radar

The Goodland radar (KGLD), 36 km from the middle of the area, began a volume at 01:19 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 26, 1:00 PM MDTSevere Thunderstorm WatchSPC9 hr
May 26, 6:38 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 1.3 hours before the alert went out and 107 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, Denver, CO at 00:00Z on 2017-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1044 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2017-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 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
1044 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1740 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
0.3
Supercell composite
9.5

Open this sounding in Storm Lab

The text

As transmitted.

394 
WFUS53 KGLD 270115
TORGLD
COC063-KSC181-270145-
/O.NEW.KGLD.TO.W.0012.170527T0115Z-170527T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
715 PM MDT FRI MAY 26 2017

The National Weather Service in Goodland has issued a

* Tornado Warning for...
  Northeastern Kit Carson County in east central Colorado...
  Northwestern Sherman County in northwestern Kansas...

* Until 745 PM MDT

* At 715 PM MDT, a confirmed tornado was located 5 miles south of
  Bonny Reservoir, moving east at 25 mph.

  HAZARD...Damaging tornado and hail up to two inches in diameter. 

  SOURCE...Weather spotters confirmed tornado. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern Kit Carson and northwestern Sherman Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3958 10211 3957 10205 3957 10202 3956 10190
      3940 10193 3943 10216 3957 10217
TIME...MOT...LOC 0115Z 263DEG 24KT 3953 10217 

TORNADO...OBSERVED
HAIL...2.00IN

$$

JN
2 follow-up statements
999 
WWUS53 KGLD 270129
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
729 PM MDT FRI MAY 26 2017

COC063-KSC181-270145-
/O.CON.KGLD.TO.W.0012.000000T0000Z-170527T0145Z/
Kit Carson CO-Sherman KS-
729 PM MDT FRI MAY 26 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR
NORTHEASTERN KIT CARSON AND NORTHWESTERN SHERMAN COUNTIES...
    
At 729 PM MDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southeast of Bonny Reservoir, moving east at 30
mph.

HAZARD...Tornado and two inch hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Kit Carson and northwestern Sherman Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3958 10211 3957 10205 3957 10202 3956 10190
      3940 10193 3943 10216 3957 10217
TIME...MOT...LOC 0129Z 263DEG 24KT 3954 10204 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

JN
730 
WWUS53 KGLD 270132
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
732 PM MDT FRI MAY 26 2017

COC063-KSC181-270142-
/O.CAN.KGLD.TO.W.0012.000000T0000Z-170527T0145Z/
Kit Carson CO-Sherman KS-
732 PM MDT FRI MAY 26 2017

...THE TORNADO WARNING FOR NORTHEASTERN KIT CARSON AND NORTHWESTERN
SHERMAN COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.  However small hail, 
gusty winds and heavy rain are still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 1000 PM MDT for
northeastern and east central Colorado. A severe thunderstorm watch
also remains in effect until 200 AM MDT for northwestern Kansas.


LAT...LON 3958 10211 3957 10205 3957 10202 3956 10190
      3940 10193 3943 10216 3957 10217
TIME...MOT...LOC 0131Z 263DEG 24KT 3954 10201 

$$

JN

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 6:23 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma52 min
May 26, 6:25 PM MDTTornado WarningGLDYuma12 min
May 26, 6:39 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma66 min
May 26, 6:43 PM MDTTornado WarningGLDKit Carson, Yuma47 min
May 26, 7:18 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma57 min
May 26, 7:21 PM MDTSevere Thunderstorm WarningGLDYuma39 min
May 26, 7:27 PM MDTSevere Thunderstorm WarningGLDKit Carson48 min
May 26, 7:50 PM MDTSevere Thunderstorm WarningGLDYuma17 min
May 26, 7:51 PM MDTSevere Thunderstorm WarningGLDYuma39 min
May 26, 8:01 PM MDTFlash Flood WarningGLDKit Carson, Yuma6 hr
May 26, 8:04 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma56 min
May 26, 8:57 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma48 min
May 26, 10:36 PM MDTSpecial Weather StatementGLDKit Carson24 min
May 26, 10:45 PM MDTFlash Flood WarningGLDKit Carson3 hr
May 26, 11:06 PM MDTSpecial Weather StatementGLDKit Carson24 min
May 26, 11:32 PM MDTSpecial Weather StatementGLDKit Carson28 min
May 26, 11:57 PM MDTSpecial Weather StatementGLDKit Carson18 min
May 27, 1:34 AM MDTAreal Flood WarningGLDKit Carson, Yuma9 hr
May 26, 7:47 PM MDTSevere Thunderstorm WarningGLDSherman28 min
May 26, 8:04 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman56 min
May 26, 8:25 PM MDTFlash Flood WarningGLDCheyenne, Sherman5 hr
May 26, 8:27 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas48 min
May 26, 9:07 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas38 min
May 26, 9:25 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman50 min
May 26, 9:40 PM MDTSevere Thunderstorm WarningGLDDecatur, Rawlins, Sheridan, Thomas50 min
May 26, 9:59 PM MDTTornado WarningGLDSheridan, Thomas31 min
May 26, 10:06 PM MDTFlash Flood WarningGLDSherman54 min
May 26, 10:09 PM MDTSevere Thunderstorm WarningGLDSherman36 min
May 26, 10:19 PM MDTTornado WarningGLDSheridan, Thomas41 min
May 26, 10:25 PM MDTSevere Thunderstorm WarningGLDSherman, Thomas65 min
May 26, 10:43 PM MDTFlash Flood WarningGLDCheyenne, Rawlins, Sherman, Thomas3 hr
May 26, 10:54 PM MDTTornado WarningGLDDecatur, Graham, Norton, Sheridan15 min
May 26, 10:57 PM MDTSevere Thunderstorm WarningGLDGove, Logan, Sheridan, Thomas63 min
May 26, 11:08 PM MDTSevere Thunderstorm WarningGLDDecatur, Graham, Norton, Sheridan21 min
May 26, 11:30 PM MDTSpecial Weather StatementGLDNorton15 min
May 26, 11:47 PM MDTSevere Thunderstorm WarningGLDGove, Graham, Sheridan58 min
May 26, 11:49 PM MDTTornado WarningGLDGove26 min
May 27, 12:06 AM MDTTornado WarningGLDGove, Logan24 min
May 27, 12:13 AM MDTTornado WarningGLDGove17 min
May 27, 12:22 AM MDTTornado WarningGLDGove38 min
May 27, 12:36 AM MDTSpecial Weather StatementGLDSherman24 min
May 27, 12:41 AM MDTSevere Thunderstorm WarningGLDGraham, Norton49 min
May 27, 12:43 AM MDTSpecial Weather StatementGLDThomas17 min
May 27, 12:45 AM MDTTornado WarningGLDGove30 min
May 27, 12:56 AM MDTSpecial Weather StatementGLDThomas19 min
May 27, 1:13 AM MDTSpecial Weather StatementGLDThomas32 min
May 27, 1:53 AM MDTSpecial Weather StatementGLDGove37 min
May 27, 2:23 AM MDTSpecial Weather StatementGLDGove37 min
May 27, 7:56 AM MDTAreal Flood WarningGLDSheridan, Thomas3 hr

Nearby

Tornado Warnings in Colorado, 2017Tornado Warnings in Kansas, 2017Every tornado warning in 2017Tornadoes 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.