Alert archive / Colorado / Special Weather Statements in 2016

Special Weather Statement, NWS Goodland, KS

August 11, 2016Kit Carson County, Colorado

NWS Goodland, KS issued this special weather statement at Aug 11, 2016, 9:18 PM MDT for Kit Carson County, Colorado. It was in force for 12 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
Aug 11, 2016, 9:18 PM MDT (03:18 UTC)
Expired
Aug 11, 2016, 9:30 PM MDT
In force
12 min
Issued by
NWS Goodland, KS

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 109 km from the middle of the area, began a volume at 03:20 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 00:00Z, 3.3 hours before the alert went out and 34 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 2016-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 157 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2016-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939587897Sfc1 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
157 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
3070 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 Aug 11, 6:53 PM MDT, 2 hours 25 minutes earlier.

Area forecast discussion, Aug 11, 6:53 PM MDT, 2 hours 25 minutes before
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Hazardous weather outlook, Aug 11, 10:35 AM MDT, 10 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1035 AM MDT THU AUG 11 2016

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-121645-
YUMA COUNTY-KIT CARSON COUNTY-CHEYENNE COUNTY-CHEYENNE-RAWLINS-
DECATUR-NORTON-SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-
GREELEY-WICHITA-DUNDY-HITCHCOCK-RED WILLOW-
1035 AM MDT THU AUG 11 2016 /1135 AM CDT THU AUG 11 2016/

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

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

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID-AFTERNOON,
MAINLY ALONG AND EAST OF HIGHWAY 83. STRONGER STORMS WILL PRODUCE
LARGE HAIL, DAMAGING WINDS AND LOCALLY HEAVY RAINFALL. ADDITIONAL
THUNDERSTORMS WILL FORM LATER THIS AFTERNOON ALONG THE FRONT
RANGE OF COLORADO AND WYOMING AND WILL MOVE INTO THE TRI-STATE
AREA FROM THE WEST LATER THIS EVENING WITH SMALL HAIL AND GUSTY
WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS CENTRAL
AND EASTERN COLORADO BOTH FRIDAY AND SATURDAY AFTERNOON INTO THE
EVENING HOURS. A FEW STORMS COULD BECOME MARGINALLY SEVERE WITH
LARGE HAIL AND DAMAGING WINDS EXPECTED AS THE MAIN THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER REPORTS WOULD BE APPRECIATED THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Aug 11, 8:57 PM MDT, 21 minutes before
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Special weather statement, Aug 11, 9:18 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
918 PM MDT THU AUG 11 2016

COZ090>092-120330-
YUMA COUNTY CO-KIT CARSON COUNTY CO-CHEYENNE COUNTY CO-
918 PM MDT THU AUG 11 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN YUMA COUNTY IN
NORTHEASTERN COLORADO...WESTERN KIT CARSON AND NORTHWESTERN CHEYENNE
COUNTIES IN EAST CENTRAL COLORADO UNTIL 930 PM MDT...

AT 915 PM MDT...THUNDERSTORM OUTFLOW WAS LOCATED ALONG A LINE
EXTENDING FROM 3 MILES SOUTH OF BURDETT TO 8 MILES SOUTH OF OTIS TO 5
MILES SOUTHEAST OF GENOA. MOVEMENT WAS SOUTHEAST AT 40 MPH.

WIND GUSTS OF 35 TO 55 MPH WILL BE POSSIBLE...STRONGEST IN YUMA
COUNTY. MODERATE TO HEAVY RAINFALL AND SHARPLY REDUCED
VISIBILITIES WILL BE POSSIBLE IN YUMA COUNTY AS WELL.

LOCATIONS IMPACTED INCLUDE...
YUMA...FLAGLER AND ABARR.

THIS INCLUDES INTERSTATE 70 IN COLORADO BETWEEN MILE MARKERS 391 AND
402.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3956 10315 3957 10280 4030 10279 4022 10264
      3980 10260 3887 10316
TIME...MOT...LOC 0315Z 311DEG 34KT 4031 10296 4003 10294 3923 10341

007

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 11:11 PM MDTSpecial Weather StatementGLDSherman34 min
Aug 11, 11:13 PM MDTSpecial Weather StatementGLDCheyenne47 min
Aug 11, 11:17 PM MDTSevere Thunderstorm WarningGLDCheyenne43 min
Aug 11, 11:23 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman37 min
Aug 11, 11:45 PM MDTSpecial Weather StatementGLDRawlins45 min
Aug 11, 11:58 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman32 min
Aug 12, 12:29 AM MDTSpecial Weather StatementGLDCheyenne, Decatur, Rawlins, Sherman61 min
Aug 11, 8:57 PM MDTSpecial Weather StatementGLDYuma33 min
Aug 11, 9:32 PM MDTSpecial Weather StatementGLDKit Carson13 min
Aug 11, 9:49 PM MDTSpecial Weather StatementGLDKit Carson, Yuma26 min
Aug 12, 12:22 AM MDTSpecial Weather StatementGLDKit Carson38 min
Aug 12, 12:54 AM MDTSpecial Weather StatementGLDKit Carson51 min
Aug 11, 10:41 PM MDTSpecial Weather StatementGLDDundy34 min

Nearby

Special Weather Statements in Colorado, 2016Every 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.