Alert archive / Colorado / Tornado Warnings in 2015

Tornado Warning 39, NWS Goodland, KS

May 27, 2015Yuma County, Colorado

NWS Goodland, KS issued this tornado warning at May 27, 2015, 2:41 PM MDT for Yuma County, Colorado. It was in force for 34 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 27, 2015, 2:41 PM MDT (20:41 UTC)
Expired: May 27, 2015, 3:15 PM MDT
In force: 34 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Yuma County, CO

The radar

The Goodland radar (KGLD), 122 km from the middle of the area, began a volume at 20:43 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.

Issued	Product	Office	Lasted
May 27, 1:26 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 8.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1785 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

711 
WFUS53 KGLD 272041 RRA
TORGLD
COC125-272115-
/O.NEW.KGLD.TO.W.0039.150527T2041Z-150527T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
241 PM MDT WED MAY 27 2015

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN YUMA COUNTY IN NORTHEASTERN COLORADO...

* UNTIL 315 PM MDT
    
* AT 241 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 14 MILES SOUTH OF HOLYOKE...MOVING NORTHEAST AT
  5 MPH.

  HAZARD...TORNADO. 

  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 YUMA COUNTY.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 263 AND 269.
 
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 4044 10205 4037 10206 4032 10234 4044 10238
TIME...MOT...LOC 2041Z 240DEG 6KT 4038 10224 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MENTZER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 10:24 PM MDT	Special Weather Statement	GLD	Cheyenne, Kit Carson	81 min
May 27, 12:46 PM MDT	Special Weather Statement	GLD	Phillips	29 min
May 27, 1:09 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	36 min
May 27, 1:21 PM MDT	Tornado Warning Tornado observed	GLD	Yuma	24 min
May 27, 1:41 PM MDT	Tornado Warning Tornado observed	GLD	Yuma	34 min
May 27, 2:12 PM MDT	Tornado Warning	GLD	Yuma	33 min
May 27, 3:18 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	42 min
May 27, 3:55 PM MDT	Special Weather Statement	GLD	Phillips	50 min

Nearby

Tornado Warnings in Colorado, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.