Alert archive / Kansas / Special Weather Statements in 2018

Special Weather Statement, NWS Topeka, KS

August 9, 2018Douglas County, Kansas

NWS Topeka, KS issued this special weather statement at Aug 9, 2018, 5:06 PM CDT for Douglas County, Kansas. It was in force for 24 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 9, 2018, 5:06 PM CDT (22:06 UTC)
Expired
Aug 9, 2018, 5:30 PM CDT
In force
24 min
Issued by
NWS Topeka, KS

County Douglas County, KS

The radar

The Pleasant Hill radar (KEAX), 81 km from the middle of the area, began a volume at 22:08 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

Topeka, KS (KFOE), launched 12:00Z, 10.1 hours before the alert went out and 39 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, Topeka, KS at 12:00Z on 2018-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 845 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, Topeka, KS at 12:00Z on 2018-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
845 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Topeka, KS wrote its last area forecast discussion before this special weather statement went out at Aug 9, 3:52 PM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Aug 9, 3:52 PM CDT, 1 hour 14 minutes before
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Hazardous weather outlook, Aug 9, 3:48 PM CDT, 1 hour 18 minutes before
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In the hours before

Special weather statement, Aug 9, 2:23 PM CDT, 2 hours 43 minutes before
Special Weather Statement
National Weather Service Topeka KS
223 PM CDT THU AUG 9 2018

KSZ038-055-092000-
Wabaunsee-Osage-
223 PM CDT THU AUG 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN WABAUNSEE AND
NORTHWESTERN OSAGE COUNTIES UNTIL 300 PM CDT...

At 223 PM CDT, Doppler radar was tracking a strong thunderstorm over
Eskridge, moving south at 15 mph.

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

Locations impacted include...
Eskridge, Harveyville and Keene.

This includes the following highways...
 Interstate 70 near mile marker 341.
 Kansas Turnpike between mile markers 159 and 162.

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 3880 9584 3874 9622 3896 9626 3906 9604
      3894 9595 3887 9595 3887 9589
TIME...MOT...LOC 1923Z 344DEG 13KT 3889 9610
Special weather statement, Aug 9, 2:35 PM CDT, 2 hours 31 minutes before
Special Weather Statement
National Weather Service Topeka KS
235 PM CDT THU AUG 9 2018

KSZ035-092000-
Dickinson-
235 PM CDT THU AUG 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DICKINSON COUNTY
UNTIL 300 PM CDT...

At 235 PM CDT, Doppler radar was tracking a strong thunderstorm near
Carlton, moving south at 15 mph.

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

Locations impacted include...
Carlton.

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 3876 9737 3875 9721 3861 9720 3861 9737
TIME...MOT...LOC 1935Z 010DEG 13KT 3865 9732
Special weather statement, Aug 9, 2:37 PM CDT, 2 hours 29 minutes before
Special Weather Statement
National Weather Service Topeka KS
237 PM CDT THU AUG 9 2018

KSZ059-092000-
Anderson-
237 PM CDT THU AUG 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN ANDERSON COUNTY
UNTIL 300 PM CDT...

At 237 PM CDT, Doppler radar was tracking a strong thunderstorm near
Kincaid, moving southwest at 10 mph.

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

Locations impacted include...
Kincaid.

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 3814 9518 3810 9508 3804 9508 3804 9527
TIME...MOT...LOC 1937Z 026DEG 9KT 3805 9515
Special weather statement, Aug 9, 3:10 PM CDT, 1 hour 56 minutes before
Special Weather Statement
National Weather Service Topeka KS
310 PM CDT THU AUG 9 2018

KSZ035-092045-
Dickinson-
310 PM CDT THU AUG 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN DICKINSON COUNTY
UNTIL 345 PM CDT...

At 310 PM CDT, Doppler radar was tracking a strong thunderstorm near
Hope, moving south at 10 mph.

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

Locations impacted include...
Herington and Hope.

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 3861 9719 3875 9712 3872 9693 3861 9693
TIME...MOT...LOC 2010Z 019DEG 7KT 3866 9704
Special weather statement, Aug 9, 3:14 PM CDT, 1 hour 52 minutes before
Special Weather Statement
National Weather Service Topeka KS
314 PM CDT THU AUG 9 2018

KSZ038-054-055-092045-
Wabaunsee-Lyon-Osage-
314 PM CDT THU AUG 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN WABAUNSEE...WEST
CENTRAL OSAGE AND NORTHEASTERN LYON COUNTIES UNTIL 345 PM CDT...

At 314 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles north of Admire, moving south at 10 mph.

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

Locations impacted include...
Osage City, Harveyville, Allen and Admire.

This includes Kansas Turnpike between mile markers 142 and 159.

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 3883 9617 3883 9591 3859 9583 3858 9624
TIME...MOT...LOC 2014Z 000DEG 10KT 3873 9607
Special weather statement, Aug 9, 5:06 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 7:24 PM CDTSpecial Weather StatementTOPPottawatomie36 min
Aug 9, 2:06 PM CDTSpecial Weather StatementTOPMorris24 min
Aug 9, 2:23 PM CDTSpecial Weather StatementTOPWabaunsee37 min
Aug 9, 2:35 PM CDTSpecial Weather StatementTOPDickinson25 min
Aug 9, 2:37 PM CDTSpecial Weather StatementTOPAnderson23 min
Aug 9, 3:10 PM CDTSpecial Weather StatementTOPDickinson35 min
Aug 9, 3:14 PM CDTSpecial Weather StatementTOPOsage31 min
Aug 9, 5:30 PM CDTSpecial Weather StatementTOPDouglas30 min

Nearby

Special Weather Statements in Kansas, 2018Every special weather statement in 2018

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.