Severe Thunderstorm Warning 159, NWS Goodland, KS

Area Forecast Discussion
National Weather Service Goodland KS
547 PM MDT Thu Jun 20 2019

.SHORT TERM...(This evening through Friday)
Issued at 210 PM MDT Thu Jun 20 2019

Expecting showers and storms this evening associated with a cold
front shifting slowly southward across the central High Plains.

SPC has the Tri-State area under slight risk, so expecting a few
severe storms with main threats being large hail and damaging
winds. Storms are expected to start around 21Z developing from our
Colorado / Kansas border moving along and north of I-70 with
convection ending after midnight.

Overnight, there are some chances of fog developing due to the
cooler moist prefrontal airmass and upslope flow. There is low
confidence for any dense fog highlights, so went patchy in areas
expected to be impacted by storms tonight.

Lower level clouds will hang around in the morning, but skies
will transition to mostly sunny. Since the airmass in place will
not have changed much from today into tomorrow, with the addition
of diurnal heating, we will be expecting another round of
afternoon convection. Similar threats to today expected tomorrow
with large hail and damaging winds accompanying the strongest
storms.

Today's highs will be in the mid 80s to lower 90s. This will
change slightly tomorrow due to the colder airmass location.
Depending on where the temperature gradient sets up, residents of
the Tri-State area could see a range of daily highs between the
mid 70s to lower 90s.

Overnight lows tonight will sit in the mid 50s to lower 60s.

.LONG TERM...(Friday night through Thursday)
Issued at 104 PM MDT Thu Jun 20 2019

At the start of the extended, the models are showing an upper-level
low system over the PACNORWEST that is expected to deepen and move
into the Central High Plains by the end of the weekend along with an
associated cold front. This will produce a wet and cool weekend for
the local area. Expect showers and thunderstorms, some will be
Severe, with high temperatures reaching the middle to upper 70s and
overnight lows dropping into the middle 40s to middle 50s.

After the weekend, high pressure is anticipated to build over the
High Plains and produce mostly dry conditions for the local area;
however, there may be periods of isolated showers and storms
associated with passing shortwave trough coming off the Front
Range. High temperatures are expected to reach the lower 90s by the
end of next week.

&&

.AVIATION...(For the 00Z TAFS through 00Z Friday evening)
Issued at 518 PM MDT Thu Jun 20 2019

GLD will see VFR conditions through the 00z TAF period with
thunderstorms moving out of eastern Colorado and into northwest
Kansas across the terminal between 01-04Z.

MCK will see mainly VFR conditions thorugh the 00Z TAF period. The
possibility of thunderstorms is lower and later than GLD as storms
continue to move eastward through the evening across northwest
Kansas and southwest Nebraska. Have only gone VCTS at MCK between
04-08Z. There is also a possibility of MVFR conditions between
12-17Z as easterly flow brings more near surface moisture into the
area for an increase in the lower clouds.

&&

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

SHORT TERM...EV
LONG TERM...BW
AVIATION...LOCKHART

Hazardous Weather Outlook
National Weather Service Goodland KS
919 PM MDT Thu Jun 20 2019

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-221645-
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
919 PM MDT Thu Jun 20 2019 /1019 PM CDT Thu Jun 20 2019/

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

.DAY ONE...TONIGHT...

A severe thunderstorm watch is now in effect through 3 am MDT (4 am
CDT) for areas northeast of a line from Wray, Colorado to Hill City,
Kansas.

The strongest storms will continue moving eastward along the Kansas
and Nebraska border region over the next several hours with a line
of storms extending southward towards Interstate 70. The main threats
with these storms will be hail larger than one inch and wind gusts
around 60 mph.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY...

There is a slight risk for severe thunderstorms Friday afternoon and
evening generally along and north of a line from Flagler to Hill
City. Large hail and damaging winds appear to be the primary
threats. A tornado threat also exists, primarily across parts of far
eastern Colorado.

.SPOTTER INFORMATION STATEMENT...

Any reports of severe weather including large hail, damaging winds,
or flash flooding would be appreciated.

Special Weather Statement
National Weather Service Goodland KS
956 PM CDT Thu Jun 20 2019

KSZ002-003-NEZ080-210315-
Rawlins KS-Decatur KS-Hitchcock NE-
956 PM CDT Thu Jun 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL RAWLINS...WEST CENTRAL
DECATUR AND SOUTHEASTERN HITCHCOCK COUNTIES UNTIL 1015 PM CDT...

At 955 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 13 miles northeast of McDonald to 8 miles south
of Atwood. Movement was northeast at 40 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
these storms.

Locations impacted include...
Atwood, Herndon, Ludell and Blakeman.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northwestern Kansas...and southwestern Nebraska.

LAT...LON 4020 10097 3980 10059 3963 10106 3992 10131
TIME...MOT...LOC 0255Z 227DEG 34KT 3994 10123 3969 10103

EV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
957 PM MDT THU JUN 20 2019

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

0954 PM     HAIL             4 N BARTLEY             40.31N 100.31W
06/20/2019  E0.25 INCH       RED WILLOW         NE   PUBLIC

&&

Special Weather Statement
National Weather Service Goodland KS
1113 PM CDT Thu Jun 20 2019

KSZ002-003-NEZ081-210500-
Rawlins KS-Decatur KS-Red Willow NE-
1113 PM CDT Thu Jun 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN RAWLINS...WESTERN DECATUR
AND SOUTHWESTERN RED WILLOW COUNTIES UNTIL MIDNIGHT CDT...

At 1113 PM CDT, Doppler radar was tracking a strong thunderstorm near
Ludell, or 7 miles northeast of Atwood, moving northeast at 30 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Oberlin, Atwood, Herndon, Ludell, Dresden, Traer and Leoville.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northwestern Kansas...and southwestern Nebraska.

LAT...LON 3958 10042 3957 10095 3991 10109 4000 10085
      4000 10076 4004 10076 4013 10052
TIME...MOT...LOC 0413Z 241DEG 25KT 3987 10092

Lockhart

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