Alert archive / Kansas / Special Weather Statements in 2011

Special Weather Statement, NWS Topeka, KS

October 12, 2011Clay County, Kansas

NWS Topeka, KS issued this special weather statement at Oct 12, 2011, 1:59 AM CDT for Clay County, Kansas. It was in force for 16 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
Oct 12, 2011, 1:59 AM CDT (06:59 UTC)
Expired
Oct 12, 2011, 2:15 AM CDT
In force
16 min
Issued by
NWS Topeka, KS

County Clay County, KS

The radar

The Topeka radar (KTWX), 87 km from the middle of the area, began a volume at 06:59 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 (KTOP), launched 00:00Z, 7.0 hours before the alert went out and 136 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 00:00Z on 2011-10-12Temperature 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 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 00:00Z on 2011-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
2323 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Oct 11, 11:57 PM CDT, 2 hours 2 minutes earlier.

Area forecast discussion, Oct 11, 11:57 PM CDT, 2 hours 2 minutes before
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Hazardous weather outlook, Oct 12, 12:36 AM CDT, 1 hour 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TOPEKA KS
1236 AM CDT WED OCT 12 2011

KSZ008>012-020>024-026-034>040-054>056-058-059-130545-
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
1236 AM CDT WED OCT 12 2011

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

.DAY ONE...TONIGHT.

A BROKEN LINE OF THUNDERSTORMS WILL MOVE ACROSS THE AREA
OVERNIGHT. THE MAIN HAZARDS FROM THE STRONGEST STORMS WILL BE
HAIL UP TO THE SIZE OF NICKELS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

MORNING THUNDERSTORMS ACROSS NORTHEAST AND EAST CENTRAL KANSAS
EARLY WILL MOVE EAST OF THE AREA BY AFTERNOON. A FEW OF THE
STORMS COULD BE STRONG.

THE NEXT CHANCE FOR THUNDERSTORMS COMES INTO THE AREA NEXT
MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

In the hours before

Special weather statement, Oct 11, 11:56 PM CDT, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1156 PM CDT TUE OCT 11 2011

KSZ021-034-035-120545-
CLAY-DICKINSON-OTTAWA-
1156 PM CDT TUE OCT 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN OTTAWA...
SOUTHWESTERN CLAY AND NORTHWESTERN DICKINSON COUNTIES...

THROUGH 1245 AM CDT...A THUNDERSTORM WILL MOVE EAST AT 30 MPH ACROSS
PORTIONS OF SOUTHEASTERN OTTAWA...SOUTHWESTERN CLAY AND NORTHWESTERN
DICKINSON COUNTIES. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THIS STORM IS CAPABLE OF PRODUCING NICKEL SIZE HAIL AND STRONG WINDS
OF 40 TO 50 MPH. SOME LOCATIONS THAT COULD BE AFFECTED INCLUDE
BENNINGTON...NILES...MANCHESTER...TALMAGE AND LONGFORD.

STAY ALERT TO THE WEATHER IN CASE A WARNING IS ISSUED.

&&

LAT...LON 3923 9734 3899 9718 3895 9740 3895 9768
      3904 9773
TIME...MOT...LOC 0456Z 248DEG 25KT 3899 9761
Special weather statement, Oct 12, 12:57 AM CDT, 1 hour 2 minutes before
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Local storm report, Oct 12, 12:58 AM CDT, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
1258 AM CDT WED OCT 12 2011

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

1253 AM     HAIL             6 NE TALMAGE            39.09N 97.18W
10/12/2011  E0.88 INCH       DICKINSON          KS   TRAINED SPOTTER

            MOSTLY DIME SIZE HAIL WITH SOME NICKEL SIZE. NEARLY
            COVERED THE GROUND.

&&

BARJENBRUCH
Special weather statement, Oct 12, 1:59 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
159 AM CDT WED OCT 12 2011

KSZ021-120715-
CLAY-
159 AM CDT WED OCT 12 2011

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CLAY COUNTY...

THROUGH 215 AM CDT...A STRONG THUNDERSTORM WILL MOVE NORTHEAST AT 20
MPH ACROSS PORTIONS OF SOUTHERN CLAY COUNTY. NATIONAL WEATHER SERVICE
DOPPLER RADAR INDICATED THIS STORM IS CAPABLE OF PRODUCING NICKEL
SIZE HAIL AND FREQUENT LIGHTNING. THE STRONG THUNDERSTORM WILL
OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF CLAY COUNTY.

&&

LAT...LON 3934 9719 3924 9701 3913 9715 3913 9730
      3917 9732
TIME...MOT...LOC 0659Z 223DEG 17KT 3919 9719

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 11:56 PM CDTSpecial Weather StatementTOPOttawa49 min
Oct 12, 12:57 AM CDTSpecial Weather StatementTOPDickinson18 min
Oct 12, 3:00 AM CDTSpecial Weather StatementTOPGeary15 min
Oct 12, 3:11 AM CDTSevere Thunderstorm WarningTOPGeary19 min
Oct 12, 3:14 AM CDTSpecial Weather StatementTOPLyon16 min
Oct 12, 3:48 AM CDTSpecial Weather StatementTOPMorris12 min
Oct 12, 5:25 PM CDTSpecial Weather StatementTOPWabaunsee35 min
Oct 12, 5:30 PM CDTSpecial Weather StatementTOPOsage30 min
Oct 12, 6:00 PM CDTSpecial Weather StatementTOPOsage30 min
Oct 12, 6:26 PM CDTSpecial Weather StatementTOPLyon34 min

Nearby

Special Weather Statements in Kansas, 2011Every special weather statement in 2011

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.