Special Weather Statement, NWS Dodge City, KS

Area Forecast Discussion
National Weather Service Dodge City KS
645 PM CDT Tue Jul 17 2018

...Updated for aviation discussion...

.SHORT TERM...(This evening through Wednesday)
Issued at 321 PM CDT Tue Jul 17 2018

Outflow boundary from an early morning MCS over western Nebraska
into central Kansas had pushed through southwest Kansas by late
morning. Satellite imagery shows the boundary continuing to push
south through central Oklahoma while western portions of it have
become nearly stationary over the Oklahoma Panhandle. Surface
winds north of the boundary over far southwest Kansas have veered
with time and become light and variable to southerly at 5-15 mph.
Visible satellite and radar imagery are indicating some
thunderstorms developing along the outflow boundary over the
Oklahoma Panhandle where surface moisture convergence has been
focused for the past several hours.

Model output concerning the timing and areal coverage of convection
late this afternoon through tonight is pretty variable which does
not make for much confidence in this forecast. Given the way the
surface features have lined out this afternoon, it seems that the
HRRR has the best handle on the near term storm evolution,
especially regarding the OK Panhandle storms. Later this evening
and through the overnight hours, the HRRR has been suggesting that
clusters of thunderstorms developing off the Colorado Front Range
will propagate east into southwest Kansas later this evening into
the overnight hours. This seems reasonable given the increasingly
unstable airmass developing north of the outflow boundary over far
southwest/southern Kansas as indicated by the SPC Mesoanalysis
page. A weak upper disturbance showing up in the water vapor
imagery over northwest Kansas at this time could aid in sustaining
this overnight convection. Have reconfigured late afternoon and
overnight precipitation chances to reflect this thinking. Far
northeast sections of the forecast area may not see any storms
tonight but can't totally rule them out there either.

Thunderstorms will be winding down or moving out of the forecast
area by daybreak Wednesday. The exception to this will be the
northeast part of the area around Hays. The NAM has also been
hinting at another MCS diving out of eastern Wyoming into northern
Kansas by Wednesday morning. Current forecast tracks would take it
east of the Hays area but will maintain some slight chance pops
there in the morning for that.

.LONG TERM...(Wednesday night through Tuesday)
Issued at 321 PM CDT Tue Jul 17 2018

The extended period will see the upper level ridge building
eastward toward the central and southern High Plains. The models
continue to show a break in thunderstorm activity across western
and central Kansas through the end of the week, along with the
possibility of warmer temperatures at least on Thursday and
possibly Friday. Disturbances passing by through the northern High
Plains could force frontal boundaries down into western Kansas
that will keep the very hot temperatures confined to the southern
Plains. By early next week the models show the upper level high
pressure retrograding back into the western states with northwest
flow aloft over the central High Plains. This is a favorable
pattern for late evening and overnight convective complexes
developing off the eastern slopes of the Rockies and rolling
southeast through western Kansas so we could be looking at a
return to wetter weather by the middle of next week.

&&

.AVIATION...(For the 00Z TAFS through 00Z Wednesday evening)
Issued at 639 PM CDT Tue Jul 17 2018

Given the upslope flow and high theta-e values, thunderstorms in
extreme western Kansas may develop into a cluster, move east and
affect KGCK/KDDC through 07z. Other isolated storms may develop
ahead of this line as well. Most of the t-storm activity is
expected to end from west to east by 07-11z. The main concern with
the t-storms is strong wind gusts. Outside of t-storms, VFR
conditions will prevail with easterly winds becoming more
southerly after 12-15z.

&&

.PRELIMINARY POINT TEMPS/POPS...
DDC  68  94  70 100 /  40  10  10   0
GCK  67  92  67  99 /  40  10  10   0
EHA  68  96  68 101 /  30  10  10  10
LBL  68  97  69 102 /  30  10  10   0
HYS  69  89  69  97 /  30  20  10  10
P28  72  94  72 101 /  30  10  10   0

&&

.DDC WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

SHORT TERM...Gerard
LONG TERM...Gerard
AVIATION...Finch

Hazardous Weather Outlook
National Weather Service Dodge City KS
253 AM CDT Tue Jul 17 2018

KSZ030-031-043>046-061>066-074>081-084>090-180800-
Trego-Ellis-Scott-Lane-Ness-Rush-Hamilton-Kearny-Finney-Hodgeman-
Pawnee-Stafford-Stanton-Grant-Haskell-Gray-Ford-Edwards-Kiowa-
Pratt-Morton-Stevens-Seward-Meade-Clark-Comanche-Barber-
253 AM CDT Tue Jul 17 2018 /153 AM MDT Tue Jul 17 2018/

This hazardous weather outlook is for portions of central...south
central...southwest and west central Kansas.

.DAY ONE...Today and tonight.

Day 1 Discussion
----------------

Scattered thunderstorms will continue today and tonight. Coverage
will favor the northeast zones this morning, with scattered
thunderstorms expanding in coverage this afternoon and tonight.
Thunderstorms will again produce locally heavy rainfall and
dangerous lightning. The strongest activity will pose a risk for
strong/damaging outflow wind gusts of 50 to 60 mph.

Day 1 Hazards
-------------
* Lightning: Elevated risk
* Thunderstorm wind: Limited risk

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Days 2-7 Discussion
-------------------

Dry weather and hotter afternoons will prevail
for the remainder of the week through this weekend.
The hottest day will be Thursday, when afternoon temperatures of
100 to 104 will be common. With lower dewpoints, a heat advisory
is not expected to be required.

Days 2-7 Hazards
----------------
* Wednesday
  - Excessive heat: Elevated risk

* Thursday
  - Excessive heat: Elevated risk

* Friday
  - Excessive heat: Elevated risk

* Saturday
  - Excessive heat: Elevated risk

* Sunday
  - Excessive heat: Elevated risk

* Monday
  - Excessive heat: Elevated risk

.SPOTTER INFORMATION STATEMENT...

Limited spotter activation may be required through tonight.

&&

For more details visit our webpage http://weather.gov/ddc/ehwo

TURNER

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Special Weather Statement
National Weather Service Dodge City KS
742 PM CDT TUE JUL 17 2018

KSZ087-088-180145-
Meade KS-Clark KS-
742 PM CDT TUE JUL 17 2018

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN MEADE AND CLARK COUNTIES
UNTIL 845 PM CDT...

At 741 PM CDT, Doppler radar was tracking a strong thunderstorm 3
miles south of Meade, moving east at 25 mph.

Wind gusts of 50 to 55 mph will be possible with this storm.

Locations impacted include...
Meade, Ashland, Minneola, Fowler, Sitka, Clark State Lake, Meade
State Park, Missler and Acres.

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.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3713 10045 3737 10047 3745 10026 3746 9958
      3704 9958
TIME...MOT...LOC 0041Z 262DEG 21KT 3724 10032

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Special Weather Statement
National Weather Service Dodge City KS
831 PM CDT TUE JUL 17 2018

KSZ088-089-180230-
Clark KS-Comanche KS-
831 PM CDT TUE JUL 17 2018

...SIGNIFICANT WEATHER ADVISORY FOR COMANCHE AND CLARK COUNTIES UNTIL
930 PM CDT...

At 831 PM CDT, Doppler radar was tracking a strong thunderstorm very
near Englewood, moving east at 30 mph.

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

Locations impacted include...
Ashland, Coldwater, Protection, Englewood, Sitka, Wilmore, Clark
State Lake, Lake Coldwater, Acres and Buttermilk.

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.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Dodge City.

&&

LAT...LON 3700 10007 3744 10008 3731 9903 3700 9902
TIME...MOT...LOC 0131Z 259DEG 27KT 3702 9999

RBURG