Alert archive / Colorado / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 82, NWS Goodland, KS

May 26, 2019Cheyenne County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at May 26, 2019, 5:25 PM MDT for Cheyenne County, Colorado. It was in force for 50 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
May 26, 2019, 5:25 PM MDT (23:25 UTC)
Expired
May 26, 2019, 6:15 PM MDT
In force
50 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County Cheyenne County, CO

The radar

The Goodland radar (KGLD), 98 km from the middle of the area, began a volume at 23:23 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.

IssuedProductOfficeLasted
May 26, 12:27 PM MDTTornado WatchSPC9 hr

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 11.4 hours before the alert went out and 128 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 12:00Z on 2019-05-26Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2019-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1575 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
112 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 May 26, 5:25 PM MDT, 0 minutes earlier.

Area forecast discussion, May 26, 5:25 PM MDT, 0 minutes before
Area Forecast Discussion
National Weather Service Goodland KS
525 PM MDT Sun May 26 2019

.SHORT TERM...(This evening through Wednesday)
Issued at 125 PM MDT Sun May 26 2019

Tonight...a line or broken line of strong to severe thunderstorms is
expected to exit the forecast area around or shortly after midnight.
Low temperatures range from the mid 40s to low 50s in far eastern
Colorado to around 60 in Norton and Graham counties.

Monday...its possible for a few strong to severe thunderstorms to
develop in the late afternoon to overnight hours across the far east
and northwest zones. The Storm Prediction Center has areas from near
McCook to Hill City east in a slight risk for severe storms.
Southerly winds increase in the afternoon with gusts in the 25 to 35
mph range along and south of the interstate. High temperatures in
the mid 70s to mid 80s. Low temperatures range from the low to mid
40s west, mid 50s east.

Tuesday...general idea is for an upper level low pressure area to
reach southwest Nebraska by the end of the day then into northeast
Nebraska by 12z Wednesday morning. Some wraparound showers and
thunderstorms are possible, mainly across the northwest 1/2 of the
area. Afternoon temperatures will be much cooler with readings
ranging from the low to mid 60s in the west to the upper 70s in
the east. Low temperatures in the low 40s west, low 50s east.

Wednesday...generally dry weather currently expected. High
temperatures in the 60s, low temperatures in the 40s.

.LONG TERM...(Thursday through Sunday)
Issued at 125 PM MDT Sun May 26 2019

Thursday...dry weather currently expected. High temperatures in the
low to mid 70s. Lows in the mid 40s to low 50s.

Friday...some weak disturbances move across the area from the
west/southwest supporting spotty chances for thunderstorms. High
temperatures in the mid 70s to low 80s. Low temperatures in the mid
40s to around 50 west, mid 50s east.

Saturday...little change from Friday with a chance of afternoon
thunderstorms. High temperatures in the mid 70s to low 80s. Lows
in the upper 40s west to mid 50s east.

Sunday...chance of afternoon thunderstorms as weather disturbances
move through from the west. High temperatures in the 70s.

&&

.AVIATION...(For the 00Z TAFS through 00Z Monday evening)
Issued at 525 PM MDT Sun May 26 2019

KGLD and KMCK will see a chance of strong to severe thunderstorms
from taf issuance through approximately 02z (KGLD) and 04z (KMCK).
Wind gusts to 45kts possible along with sub vfr cigs and vis in
heavy rain. Hail is also possible. For the rest of the period am
expecting vfr conditions with winds veering to the southwest
through sunrise Monday morning then backing to the south and
increasing in the afternoon. KGLD could see gusts around 25kts by
late afternoon.

&&

.GLD WATCHES/WARNINGS/ADVISORIES...
KS...NONE.
CO...NONE.
NE...NONE.
&&

SHORT TERM...99
LONG TERM...99
AVIATION...99
Hazardous weather outlook, May 26, 1:35 PM MDT, 3 hours 50 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
135 PM MDT Sun May 26 2019

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-271200-
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
135 PM MDT Sun May 26 2019 /235 PM CDT Sun May 26 2019/

This hazardous weather outlook is for extreme southwest Nebraska...
northwest Kansas and east central Colorado.

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

Strong to severe thunderstorms will increase in coverage and
intensity through the remainder of the afternoon and into the mid
evening moving in a northeast to east direction. The primary threats
will be hail to three inches in diameter, wind gusts to 75 mph, a few
tornadoes, and locally heavy rainfall which may cause flash flooding.
The line or broken line of severe storms is expected to exit the area
around or shortly after midnight.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SUNDAY...

For Monday, isolated thunderstorms will be possible over the
northern and eastern portions of the area. A few of these storms
could become severe with large hail being the main threat.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed through this evening.

In the hours before

Local storm report, May 26, 4:55 PM MDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
455 PM MDT SUN MAY 26 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0454 PM     FLASH FLOOD      JENNINGS                39.68N 100.29W
05/26/2019                   DECATUR            KS   LAW ENFORCEMENT

            DISPATCH REPORTED WATER OVER HIGHWAY 383 IN
            THE TOWN OF JENNINGS.

&&

JN
Special weather statement, May 26, 4:59 PM MDT, 26 minutes before
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Special weather statement, May 26, 5:01 PM MDT, 24 minutes before
Special Weather Statement
National Weather Service Goodland KS
501 PM MDT Sun May 26 2019

KSZ013-262315-
Sherman KS-
501 PM MDT Sun May 26 2019

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL SHERMAN COUNTY UNTIL 515
PM MDT...

At 501 PM MDT, Doppler radar was tracking a strong thunderstorm over
Goodland, moving north at 45 mph.

Pea size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Goodland, Ruleton and Edson.

This includes Interstate 70 in Kansas between mile markers 8 and 28.

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.

&&

A Tornado Watch remains in effect until 900 PM MDT for northwestern
Kansas.

LAT...LON 3955 10139 3918 10159 3920 10192 3957 10187
      3957 10139
TIME...MOT...LOC 2301Z 202DEG 41KT 3936 10170

024
Special weather statement, May 26, 5:13 PM MDT, 12 minutes before
Special Weather Statement
National Weather Service Goodland KS
613 PM CDT Sun May 26 2019

KSZ014-028-029-262330-
Gove KS-Thomas KS-Logan KS-
613 PM CDT Sun May 26 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN THOMAS...
NORTHEASTERN LOGAN AND NORTHWESTERN GOVE COUNTIES UNTIL 630 PM CDT...

At 613 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles southwest of Oakley, moving north at 45 mph.

Pea size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Colby, Oakley, Monument and Mingo.

This includes Interstate 70 in Kansas between mile markers 55 and 79.

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.

&&

A Tornado Watch remains in effect until 1000 PM CDT for northwestern
and west central Kansas.

LAT...LON 3898 10102 3937 10104 3935 10072 3923 10072
      3897 10079
TIME...MOT...LOC 2313Z 184DEG 39KT 3905 10090

024
Special weather statement, May 26, 5:18 PM MDT, 7 minutes before
Special Weather Statement
National Weather Service Goodland KS
518 PM MDT Sun May 26 2019

COZ092-262345-
Cheyenne County CO-
518 PM MDT Sun May 26 2019

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN CHEYENNE COUNTY IN EAST
CENTRAL COLORADO UNTIL 545 PM MDT...

At 518 PM MDT, Doppler radar was tracking a strong thunderstorm 5
miles southwest of Cheyenne Wells, moving northeast at 35 mph.

Pea size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Cheyenne Wells, Firstview and Arapahoe.

This includes Highway 385 between mile markers 142 and 168.

A Tornado Watch remains in effect until 900 PM MDT for east central
Colorado.

LAT...LON 3876 10258 3905 10238 3905 10232 3891 10209
      3865 10240
TIME...MOT...LOC 2318Z 216DEG 31KT 3878 10244

024
Local storm report, May 26, 5:22 PM MDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
522 PM MDT SUN MAY 26 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0425 PM     FLASH FLOOD      SELDEN                  39.55N 100.57W
05/26/2019                   SHERIDAN           KS   LAW ENFORCEMENT

            DISPATCH REPORTED HIGHWAY 283 IN SELDEN
            FLOODED AROUND 425 PM MDT BUT AS OF 510 PM
            MDT THE WATER HAS RECEDED.

&&

JN

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 6:26 PM MDTSpecial Weather StatementGLDGove19 min
May 25, 7:14 PM MDTSevere Thunderstorm WarningGLDGraham22 min
May 26, 5:33 AM MDTDense Fog AdvisoryGLDCheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more4 hr
May 26, 10:05 AM MDTDense Fog AdvisoryGLDCheyenne, Decatur, Gove, Logan, Rawlins, Sheridan and 4 more115 min
May 26, 1:39 PM MDTSevere Thunderstorm WarningGLDLogan, Wallace51 min
May 26, 1:49 PM MDTSpecial Weather StatementGLDSherman26 min
May 26, 2:02 PM MDTSpecial Weather StatementGLDGreeley13 min
May 26, 2:07 PM MDTSevere Thunderstorm WarningGLDGreeley, Wallace38 min
May 26, 2:18 PM MDTFlash Flood WarningGLDWallace2 hr
May 26, 2:38 PM MDTSpecial Weather StatementGLDLogan22 min
May 26, 2:40 PM MDTSpecial Weather StatementGLDWichita20 min
May 26, 2:46 PM MDTSevere Thunderstorm WarningGLDLogan, Sherman, Thomas44 min
May 26, 2:49 PM MDTSpecial Weather StatementGLDWallace26 min
May 26, 2:57 PM MDTFlash Flood WarningGLDLogan101 min
May 26, 3:08 PM MDTSpecial Weather StatementGLDLogan22 min
May 26, 3:18 PM MDTFlash Flood WarningGLDThomas92 min
May 26, 3:24 PM MDTTornado WarningGLDThomas36 min
May 26, 3:30 PM MDTSpecial Weather StatementGLDSherman15 min
May 26, 3:44 PM MDTTornado Warning Tornado observedGLDRawlins, Sheridan, Thomas31 min
May 26, 3:56 PM MDTTornado WarningGLDDecatur, Rawlins, Sheridan, Thomas21 min
May 26, 4:10 PM MDTSpecial Weather StatementGLDWallace20 min
May 26, 4:12 PM MDTFlash Flood WarningGLDDecatur, Rawlins, Sheridan, Thomas3 hr
May 26, 4:13 PM MDTSevere Thunderstorm WarningGLDDecatur, Sheridan47 min
May 26, 4:17 PM MDTSevere Thunderstorm WarningGLDSherman, Wallace43 min
May 26, 4:32 PM MDTSevere Thunderstorm WarningGLDGraham, Norton58 min
May 26, 4:46 PM MDTSpecial Weather StatementGLDSherman14 min
May 26, 4:54 PM MDTFlash Flood WarningGLDDecatur, Graham, Norton, Sheridan2 hr
May 26, 4:58 PM MDTFlash Flood WarningGLDSherman105 min
May 26, 4:59 PM MDTSpecial Weather StatementGLDLogan16 min
May 26, 5:01 PM MDTSpecial Weather StatementGLDSherman14 min
May 26, 5:13 PM MDTSpecial Weather StatementGLDThomas17 min
May 26, 5:36 PM MDTSpecial Weather StatementGLDWallace24 min
May 26, 5:57 PM MDTSpecial Weather StatementGLDLogan18 min
May 26, 5:58 PM MDTFlash Flood WarningGLDThomas38 min
May 26, 2:43 PM MDTSpecial Weather StatementGLDCheyenne17 min
May 26, 3:52 PM MDTSpecial Weather StatementGLDCheyenne23 min
May 26, 4:44 PM MDTTornado WarningGLDCheyenne31 min
May 26, 5:14 PM MDTFlash Flood WarningGLDCheyenne96 min
May 26, 5:18 PM MDTSpecial Weather StatementGLDCheyenne27 min
May 26, 5:50 PM MDTTornado WarningGLDCheyenne, Kit Carson25 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2019Every severe thunderstorm warning in 2019

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.