Alert archive / Colorado / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 575, NWS Goodland, KS

September 17, 2016Yuma County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Sep 17, 2016, 1:11 PM MDT for Yuma County, Colorado. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 17, 2016, 1:11 PM MDT (19:11 UTC)
Expired: Sep 17, 2016, 1:47 PM MDT
In force: 36 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Yuma County, CO

The radar

The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 19:13 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, 7.2 hours before the alert went out and 70 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: 5 J/kg
Mixed-layer CIN: -220 J/kg
Mixed-layer LCL: 1928 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Sep 17, 12:46 PM MDT, 25 minutes earlier.

Area forecast discussion, Sep 17, 12:46 PM MDT, 25 minutes before

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Hazardous weather outlook, Sep 17, 10:20 AM MDT, 2 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1020 AM MDT SAT SEP 17 2016

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-181630-
YUMA COUNTY-KIT CARSON COUNTY-CHEYENNE COUNTY-CHEYENNE-RAWLINS-
DECATUR-NORTON-SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-
GREELEY-WICHITA-DUNDY-HITCHCOCK-RED WILLOW-
1020 AM MDT SAT SEP 17 2016 /1120 AM CDT SAT SEP 17 2016/

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

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

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE
CENTRAL HIGH PLAINS REGION THIS AFTERNOON AND EVENING. LARGE HAIL
AND DAMAGING WINDS ARE THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY.

In the hours before

Special weather statement, Sep 17, 1:00 PM MDT, 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
100 PM MDT SAT SEP 17 2016

COZ090-171945-
YUMA COUNTY CO-
100 PM MDT SAT SEP 17 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN YUMA COUNTY UNTIL
145 PM MDT...

AT 100 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES SOUTHEAST OF LONE STAR...OR 12 MILES NORTH OF YUMA...MOVING
NORTHEAST AT 15 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CLARKVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4044 10243 4033 10235 4019 10279 4035 10279
      4035 10278 4042 10278 4044 10275
TIME...MOT...LOC 1900Z 233DEG 14KT 4030 10281

JN

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 17, 1:15 PM MDT	Special Weather Statement	GLD	Greeley	45 min
Sep 17, 1:29 PM MDT	Severe Thunderstorm Warning	GLD	Greeley, Wallace	35 min
Sep 17, 2:48 PM MDT	Severe Thunderstorm Warning	GLD	Greeley	24 min
Sep 17, 2:54 PM MDT	Special Weather Statement	GLD	Cheyenne, Sherman	36 min
Sep 17, 3:06 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Sherman	39 min
Sep 17, 3:34 PM MDT	Severe Thunderstorm Warning	GLD	Wallace	9 min
Sep 17, 3:42 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins, Sherman, Thomas	48 min
Sep 17, 3:46 PM MDT	Special Weather Statement	GLD	Sherman, Wallace	14 min
Sep 17, 3:58 PM MDT	Special Weather Statement	GLD	Logan, Thomas, Wallace	62 min
Sep 17, 4:09 PM MDT	Tornado Warning	GLD	Wallace	36 min
Sep 17, 4:21 PM MDT	Severe Thunderstorm Warning	GLD	Logan, Rawlins, Sherman, Thomas	39 min
Sep 17, 4:28 PM MDT	Severe Thunderstorm Warning	GLD	Decatur, Rawlins	47 min
Sep 17, 5:00 PM MDT	Severe Thunderstorm Warning	GLD	Decatur, Rawlins, Sheridan, Thomas	16 min
Sep 17, 5:02 PM MDT	Special Weather Statement	GLD	Gove, Logan	58 min
Sep 17, 5:18 PM MDT	Special Weather Statement	GLD	Decatur, Graham, Norton, Sheridan	57 min
Sep 17, 1:00 PM MDT	Special Weather Statement	GLD	Phillips	45 min
Sep 17, 1:23 PM MDT	Special Weather Statement	GLD	Yuma	37 min
Sep 17, 1:28 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	47 min
Sep 17, 1:43 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	32 min
Sep 17, 2:03 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	20 min
Sep 17, 2:08 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	12 min
Sep 17, 2:27 PM MDT	Special Weather Statement	GLD	Kit Carson	33 min
Sep 17, 2:31 PM MDT	Special Weather Statement	GLD	Yuma	29 min
Sep 17, 4:30 PM MDT	Special Weather Statement	GLD	Hitchcock	30 min
Sep 17, 4:53 PM MDT	Special Weather Statement	GLD	Red Willow	52 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2016 Every severe thunderstorm warning 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.