Alert archive / Colorado / Tornado Warnings in 2017

Tornado Warning 9, NWS Goodland, KS

May 26, 2017Yuma County, Colorado

NWS Goodland, KS issued this tornado warning at May 26, 2017, 5:56 PM MDT for Yuma County, Colorado. It was in force for 34 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 26, 2017, 5:56 PM MDT (23:56 UTC)
Expired
May 26, 2017, 6:30 PM MDT
In force
34 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

County Yuma County, CO

The radar

The Goodland radar (KGLD), 88 km from the middle of the area, began a volume at 23:56 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

TimeReportWhereRemark
May 26, 6:15 PM MDTHAIL 1.255 E Joes, COSTORM CHASER MEASURED HAIL OF 1.25 INCH DIAMETER.

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.

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

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 11.9 hours before the alert went out and 55 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 12:00Z on 2017-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2017-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
189 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

093 
WFUS53 KGLD 262356
TORGLD
COC125-270030-
/O.NEW.KGLD.TO.W.0009.170526T2356Z-170527T0030Z/

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

The National Weather Service in Goodland has issued a

* Tornado Warning for...
  Southwestern Yuma County in northeastern Colorado...

* Until 630 PM MDT
    
* At 556 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles east of Cope, or 28 miles north of Stratton,
  moving east at 30 mph.

  HAZARD...Tornado and hail up to two inches in diameter. 

  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. 

* Locations impacted include...
  Joes and Kirk. 

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 3964 10278 3979 10272 3971 10239 3958 10256
TIME...MOT...LOC 2356Z 289DEG 28KT 3971 10270 

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

$$

JN
2 follow-up statements
201 
WWUS53 KGLD 270011
SVSGLD

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

COC125-270030-
/O.CON.KGLD.TO.W.0009.000000T0000Z-170527T0030Z/
Yuma CO-
611 PM MDT FRI MAY 26 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR
SOUTHWESTERN YUMA COUNTY...
    
At 611 PM MDT, a severe thunderstorm capable of producing a tornado
was located 15 miles east of Cope, or 21 miles west 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. 

Locations impacted include...
Joes and Kirk. 

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 3964 10278 3979 10272 3971 10239 3958 10256
TIME...MOT...LOC 0011Z 289DEG 28KT 3967 10255 

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

$$

JN
250 
WWUS53 KGLD 270014
SVSGLD

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

COC125-270030-
/O.CON.KGLD.TO.W.0009.000000T0000Z-170527T0030Z/
Yuma CO-
614 PM MDT FRI MAY 26 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR
SOUTHWESTERN YUMA COUNTY...
    
At 614 PM MDT, a severe thunderstorm capable of producing a tornado
was located 15 miles east of Cope, or 21 miles west 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. 

Locations impacted include...
Joes and Kirk. 

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 3963 10270 3977 10267 3971 10239 3958 10256
TIME...MOT...LOC 0014Z 289DEG 28KT 3967 10256 

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

$$

JN

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 5:15 PM MDTSevere Thunderstorm WarningGLDYuma60 min
May 26, 5:28 PM MDTTornado WarningGLDYuma32 min
May 26, 5:53 PM MDTSevere Thunderstorm WarningGLDYuma37 min

Nearby

Tornado Warnings in Colorado, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.