Alert archive / Colorado / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Goodland, KS

May 20, 2014Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at May 20, 2014, 8:36 PM MDT for Kit Carson County, Colorado. It was in force for 54 min. 2 reports 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 20, 2014, 8:36 PM MDT (02:36 UTC)
Expired
May 20, 2014, 9:30 PM MDT
In force
54 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 63 km from the middle of the area, began a volume at 02:39 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 20, 8:39 PM MDTHAIL 112 S Cope, CO1.00 INCH HAIL LASTED FOR 5 MINUTES AND DAMAGED SHINGLES.
May 20, 9:20 PM MDTHAIL 1.753 N Burlington, CODELAYED REPORTS FROM SOCIAL MEDIA. LOTS OF HAIL TO THE SIZE OF QUARTERS...SOME PIECES WERE AS LARGE AS GOLF BALLS.

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 20, 6:27 PM MDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 2.6 hours before the alert went out and 83 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 2014-05-21Temperature 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 00:00Z on 2014-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1874 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

195 
WUUS53 KGLD 210236
SVRGLD
COC063-210330-
/O.NEW.KGLD.SV.W.0021.140521T0236Z-140521T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
836 PM MDT TUE MAY 20 2014

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN KIT CARSON COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 930 PM MDT

* AT 835 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 12 MILES SOUTH OF
  COPE...AND MOVING NORTHEAST AT 15 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...PUBLIC.

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT
           WIND DAMAGE TO ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  STRATTON AND BETHUNE.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 419 AND 428.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 191 AND 211.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3956 10205 3940 10205 3926 10254 3937 10287
      3957 10298
TIME...MOT...LOC 0237Z 235DEG 12KT 3950 10284

HAIL...1.75IN
WIND...60MPH

$$

FS/MK
3 follow-up statements
778 
WWUS53 KGLD 210249
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
849 PM MDT TUE MAY 20 2014

COC063-210330-
/O.CON.KGLD.SV.W.0021.000000T0000Z-140521T0330Z/
KIT CARSON CO-
849 PM MDT TUE MAY 20 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
KIT CARSON COUNTY UNTIL 930 PM MDT...

AT 844 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES SOUTH OF
COPE...AND MOVING NORTHEAST AT 15 MPH.

HAZARD...HEN EGG SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...PUBLIC.

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT WIND
         DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
BETHUNE.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 420 AND 428.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 191 AND 211.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3938 10277 3956 10287 3956 10205 3940 10205
      3926 10254
TIME...MOT...LOC 0248Z 235DEG 12KT 3952 10280

HAIL...2.00IN
WIND...60MPH

$$

FS/MK
037 
WWUS53 KGLD 210315
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
915 PM MDT TUE MAY 20 2014

COC063-210330-
/O.CON.KGLD.SV.W.0021.000000T0000Z-140521T0330Z/
KIT CARSON CO-
915 PM MDT TUE MAY 20 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
KIT CARSON COUNTY UNTIL 930 PM MDT...

AT 910 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTH OF
KIRK...AND MOVING EAST AT 20 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...PUBLIC.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHERN KIT CARSON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3947 10229 3943 10260 3956 10268 3956 10258
      3956 10231
TIME...MOT...LOC 0315Z 249DEG 18KT 3953 10253

HAIL...1.00IN
WIND...<50MPH

$$

024
974 
WWUS53 KGLD 210329
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
929 PM MDT TUE MAY 20 2014

COC063-210339-
/O.EXP.KGLD.SV.W.0021.000000T0000Z-140521T0330Z/
KIT CARSON CO-
929 PM MDT TUE MAY 20 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL KIT CARSON
COUNTY WILL EXPIRE AT 930 PM MDT/1030 PM CDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.  HOWEVER...SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 AM MDT.

LAT...LON 3947 10229 3943 10260 3956 10268 3956 10258
      3956 10231
TIME...MOT...LOC 0329Z 249DEG 18KT 3955 10244

$$

024

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 7:14 PM MDTSevere Thunderstorm WarningGLDKit Carson61 min
May 20, 8:12 PM MDTSevere Thunderstorm WarningGLDKit Carson63 min
May 20, 8:26 PM MDTSevere Thunderstorm WarningGLDYuma64 min
May 20, 9:05 PM MDTSevere Thunderstorm WarningGLDKit Carson55 min
May 20, 9:17 PM MDTTornado WarningGLDKit Carson28 min
May 21, 4:24 PM MDTSpecial Weather StatementGLDCheyenne36 min
May 21, 5:05 PM MDTSpecial Weather StatementGLDCheyenne25 min
May 21, 5:35 PM MDTSevere Thunderstorm WarningGLDCheyenne55 min
May 21, 5:44 PM MDTSpecial Weather StatementGLDKit Carson31 min
May 21, 5:47 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson58 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2014Every severe thunderstorm warning in 2014

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.