Alert archive / Colorado / Special Weather Statements in 2016

Special Weather Statement, NWS Goodland, KS

June 12, 2016Yuma County, Colorado; Dundy County, Nebraska

NWS Goodland, KS issued this special weather statement at Jun 12, 2016, 2:17 PM MDT for Yuma County, Colorado; Dundy County, Nebraska. It was in force for 43 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: Jun 12, 2016, 2:17 PM MDT (20:17 UTC)
Expired: Jun 12, 2016, 3:00 PM MDT
In force: 43 min
Issued by: NWS Goodland, KS

Counties Yuma County, CO, Dundy County, NE

The radar

The Goodland radar (KGLD), 89 km from the middle of the area, began a volume at 20:18 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

Denver, CO (KDEN), launched 12:00Z, 8.3 hours before the alert went out and 98 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: 11 J/kg
Mixed-layer CIN: -304 J/kg
Mixed-layer LCL: 2145 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -72 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Goodland, KS wrote its last area forecast discussion before this special weather statement went out at Jun 12, 1:55 PM MDT, 22 minutes earlier.

Area forecast discussion, Jun 12, 1:55 PM MDT, 22 minutes before

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Hazardous weather outlook, Jun 12, 11:06 AM MDT, 3 hours 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1106 AM MDT SUN JUN 12 2016

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-131715-
YUMA COUNTY-KIT CARSON COUNTY-CHEYENNE COUNTY-CHEYENNE-RAWLINS-
DECATUR-NORTON-SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-
GREELEY-WICHITA-DUNDY-HITCHCOCK-RED WILLOW-
1106 AM MDT SUN JUN 12 2016 /1206 PM CDT SUN JUN 12 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL COLORADO...
EXTREME SOUTHWEST NEBRASKA AND NORTHWEST KANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THUNDERSTORM ACTIVITY WILL SPREAD FROM THE WEST TO THE EAST THIS
AFTERNOON THROUGH TONIGHT...WITH WIDESPREAD THUNDERSTORM ACTIVITY
LATE THIS EVENING INTO THE OVERNIGHT PERIOD. A FEW SEVERE
THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING ACROSS
THE ENTIRE TRI STATE REGION...WITH DAMAGING WINDS IN EXCESS OF 60
MPH AND LARGE HAIL AROUND THE SIZE OF QUARTERS. SLOW THUNDERSTORM
MOTION AND HEAVY DOWNPOURS COULD LEAD TO LOCALIZED
FLOODING...PARTICULARLY THIS EVENING THROUGH THE OVERNIGHT
PERIOD.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

THERE IS A BETTER CHANCE FOR SEVERE THUNDERSTORMS MONDAY
AFTERNOON AND EVENING ACROSS THE TRI STATE REGION. DAMAGING WINDS
IN EXCESS OF 70 MPH...LARGE HAIL GREATER THAN 2 INCHES...AND
TORNADOES WILL BE POSSIBLE. IN ADDITION HEAVY RAIN COULD CREATE
LOCALIZED FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Jun 12, 1:00 PM MDT, 1 hour 17 minutes before

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Special weather statement, Jun 12, 1:38 PM MDT, 39 minutes before

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Special weather statement, Jun 12, 2:17 PM MDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 1:29 PM MDT	Flash Flood Watch	GLD	Cheyenne, Decatur, Gove, Greeley, Logan, Rawlins and 5 more	14 hr
Jun 12, 2:50 PM MDT	Special Weather Statement	GLD	Cheyenne	10 min
Jun 12, 2:59 PM MDT	Special Weather Statement	GLD	Cheyenne	31 min
Jun 12, 3:30 PM MDT	Special Weather Statement	GLD	Cheyenne, Sherman	30 min
Jun 12, 4:00 PM MDT	Special Weather Statement	GLD	Cheyenne, Rawlins, Sherman	30 min
Jun 12, 4:30 PM MDT	Special Weather Statement	GLD	Sherman, Wallace	30 min
Jun 12, 4:31 PM MDT	Special Weather Statement	GLD	Rawlins, Thomas	29 min
Jun 12, 4:57 PM MDT	Special Weather Statement	GLD	Wallace	33 min
Jun 12, 4:58 PM MDT	Special Weather Statement	GLD	Logan, Rawlins, Thomas	32 min
Jun 12, 3:22 AM MDT	Special Weather Statement	GLD	Phillips	38 min
Jun 12, 1:00 PM MDT	Special Weather Statement	GLD	Yuma	30 min
Jun 12, 1:38 PM MDT	Special Weather Statement	GLD	Yuma	37 min
Jun 12, 1:52 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	24 min
Jun 12, 3:26 PM MDT	Special Weather Statement	GLD	Kit Carson	34 min
Jun 12, 3:57 PM MDT	Special Weather Statement	GLD	Kit Carson	33 min
Jun 12, 5:08 PM MDT	Special Weather Statement	GLD	Lincoln	37 min
Jun 12, 5:47 PM MDT	Special Weather Statement	GLD	Cheyenne	13 min
Jun 12, 5:57 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	33 min
Jun 12, 3:15 PM MDT	Special Weather Statement	GLD	Dundy	15 min

Nearby

Special Weather Statements in Colorado, 2016 Special Weather Statements in Nebraska, 2016 Every special weather statement in 2016

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.