Alert archive / Kansas / Special Weather Statements in 2012

Special Weather Statement, NWS Topeka, KS

August 2, 2012Republic County, Kansas

NWS Topeka, KS issued this special weather statement at Aug 2, 2012, 1:08 AM CDT for Republic County, Kansas. It was in force for 52 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 2, 2012, 1:08 AM CDT (06:08 UTC)
Expired
Aug 2, 2012, 2:00 AM CDT
In force
52 min
Issued by
NWS Topeka, KS

County Republic County, KS

The radar

The Grand Island radar (KUEX), 89 km from the middle of the area, began a volume at 06:11 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, 6.1 hours before the alert went out and 192 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 2012-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1337 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2012-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1337 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
2367 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

129 
WWUS83 KTOP 020608
SPSTOP

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
108 AM CDT THU AUG 2 2012

KSZ008-020-020700-
CLOUD-REPUBLIC-
108 AM CDT THU AUG 2 2012

...SIGNIFICANT WEATHER ADVISORY FOR REPUBLIC AND NORTHWESTERN CLOUD
COUNTIES...

THROUGH 200 AM CDT...STRONG OUTFLOW WINDS OF 40 TO 50 MPH FROM 
THUNDERSTORMS TO THE NORTH AND WEST OF REPUBLIC COUNTY WILL MOVE 
SOUTHEAST ACROSS  REPUBLIC AND NORTHWESTERN CLOUD COUNTIES. NATIONAL 
WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS JUST BEHIND 
THE STRONGER WINDS WILL THEN MOVE ACROSS NORTHERN CLOUD AND WESTERN 
REPUBLIC COUNTIES PRODUCING LOCALLY HEAVY RAINFALL AND MORE GUSTY 
WINDS. SOME LOCATIONS THAT COULD BE AFFECTED INCLUDE 
BELLEVILLE...MUNDEN...CUBA...AGENDA...NARKA...JAMESTOWN AND 
CONCORDIA.

&&

LAT...LON 4000 9737 3967 9738 3954 9793 4000 9794
TIME...MOT...LOC 0604Z 270DEG 22KT 3995 9774

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 1:51 AM CDTSpecial Weather StatementTOPRepublic, Washington54 min
Aug 2, 1:55 AM CDTSpecial Weather StatementTOPCloud, Ottawa50 min
Aug 2, 2:15 AM CDTSevere Thunderstorm WarningTOPClay, Cloud, Republic, Riley, Washington45 min
Aug 2, 2:27 AM CDTSpecial Weather StatementTOPClay, Dickinson, Geary, Riley48 min
Aug 2, 2:38 AM CDTSpecial Weather StatementTOPMarshall67 min
Aug 2, 3:10 AM CDTSpecial Weather StatementTOPGeary, Jackson, Nemaha, Pottawatomie, Wabaunsee50 min
Aug 2, 3:17 AM CDTSpecial Weather StatementTOPMorris43 min
Aug 2, 3:38 AM CDTSpecial Weather StatementTOPJackson, Shawnee, Wabaunsee52 min
Aug 2, 4:00 AM CDTSpecial Weather StatementTOPBrown, Douglas, Jefferson, Shawnee45 min

Nearby

Special Weather Statements in Kansas, 2012Every special weather statement in 2012

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.