Alert archive / Kansas / Special Weather Statements in 2014

Special Weather Statement, NWS Topeka, KS

August 10, 2014Osage County, Kansas

NWS Topeka, KS issued this special weather statement at Aug 10, 2014, 2:48 AM CDT for Osage County, Kansas. It was in force for 42 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 10, 2014, 2:48 AM CDT (07:48 UTC)
Expired: Aug 10, 2014, 3:30 AM CDT
In force: 42 min
Issued by: NWS Topeka, KS

County Osage County, KS

The radar

The Topeka radar (KTWX), 52 km from the middle of the area, began a volume at 07:50 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 00:00Z, 7.8 hours before the alert went out and 37 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 795 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1186 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

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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, 11:39 PM CDT, 3 hours 9 minutes earlier.

Area forecast discussion, Aug 9, 11:39 PM CDT, 3 hours 9 minutes before

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Hazardous weather outlook, Aug 9, 3:34 PM CDT, 11 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TOPEKA KS
334 PM CDT SAT AUG 9 2014

KSZ008>012-020>024-026-034>040-054>056-058-059-102045-
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
334 PM CDT SAT AUG 9 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL...NORTH
CENTRAL AND NORTHEAST KANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A SLIGHT CHANCE OF ISOLATED SEVERE THUNDERSTORMS
OVER NORTH CENTRAL KANSAS LATE THIS AFTERNOON. IF STORMS DEVELOP
AND MOVE INTO THE AREA, LARGE HAIL AND DAMAGING WINDS ARE
POSSIBLE.

A COMPLEX OF THUNDERSTORMS IS EXPECTED TO MOVE ACROSS THE AREA
THIS EVENING INTO THE OVERNIGHT PERIOD. DAMAGING WIND GUSTS MAY
BE POSSIBLE...PRIMARILY WEST OF A LINE FROM WASHINGTON...TO
JUNCTION CITY AND HERINGTON. THE COMPLEX OF STORMS WILL WEAKEN AS
THEY MOVE ACROSS NORTHEAST AND EAST CENTRAL KANSAS AFTER MIDNIGHT
WITH GUSTY WINDS AND LOCALLY HEAVY RAINFALL POSSIBLE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THUNDERSTORMS WILL LIKELY PERSIST ACROSS MUCH OF THE AREA UNTIL
MIDDAY SUNDAY BEFORE GRADUALLY DIMINISHING WEST TO EAST IN THE
AFTERNOON AND EVENING. LOCALLY HEAVY RAINFALL AND GUSTY WINDS
COULD STILL ACCOMPANY A FEW OF THE THUNDERSTORMS SUNDAY MORNING.

THERE IS A CHANCE FOR MORE THUNDERSTORMS ACROSS THE AREA WEDNESDAY
NIGHT INTO FRIDAY OF NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ACROSS NORTH CENTRAL KANSAS LATE
THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Aug 9, 11:52 PM CDT, 2 hours 56 minutes before

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Special weather statement, Aug 10, 12:28 AM CDT, 2 hours 20 minutes before

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Special weather statement, Aug 10, 12:33 AM CDT, 2 hours 15 minutes before

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Special weather statement, Aug 10, 2:48 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 9:27 PM CDT	Severe Thunderstorm Warning	TOP	Cloud	48 min
Aug 9, 10:14 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Ottawa	46 min
Aug 9, 11:52 PM CDT	Special Weather Statement	TOP	Ottawa	38 min
Aug 10, 12:28 AM CDT	Special Weather Statement	TOP	Geary, Pottawatomie, Riley	47 min
Aug 10, 12:33 AM CDT	Special Weather Statement	TOP	Dickinson	42 min
Aug 10, 3:06 AM CDT	Special Weather Statement	TOP	Coffey	39 min
Aug 10, 3:45 AM CDT	Special Weather Statement	TOP	Coffey	45 min
Aug 10, 1:11 PM CDT	River Flood Warning	TOP	Cloud	26 hr

Nearby

Special Weather Statements in Kansas, 2014 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.