Alert archive / Kansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 252, NWS Topeka, KS

October 8, 2018Brown County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Oct 8, 2018, 5:01 PM CDT for Brown County, Kansas. It was in force for 29 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 8, 2018, 5:01 PM CDT (22:01 UTC)
Expired
Oct 8, 2018, 5:30 PM CDT
In force
29 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Brown County, KS

The radar

The Topeka radar (KTWX), 109 km from the middle of the area, began a volume at 22:06 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

Omaha, NE (KOAX), launched 12:00Z, 10.0 hours before the alert went out and 196 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, Omaha, NE at 12:00Z on 2018-10-08Temperature 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, Omaha, NE at 12:00Z on 2018-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.19395878Sfc1 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
457 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

669 
WUUS53 KTOP 082201
SVRTOP
KSC013-082230-
/O.NEW.KTOP.SV.W.0252.181008T2201Z-181008T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
501 PM CDT MON OCT 8 2018

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Southeastern Brown County in northeastern Kansas...

* Until 530 PM CDT.

* At 501 PM CDT, a severe thunderstorm was located over Everest,
  moving northeast at 50 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Everest and Robinson. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3965 9534 3965 9551 3996 9534
TIME...MOT...LOC 2201Z 207DEG 42KT 3966 9540 

HAIL...0.75IN
WIND...60MPH
 
$$

Skow
1 follow-up statement
289 
WWUS53 KTOP 082222
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
522 PM CDT MON OCT 8 2018

KSC013-082230-
/O.EXP.KTOP.SV.W.0252.000000T0000Z-181008T2230Z/
Brown-
522 PM CDT MON OCT 8 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BROWN COUNTY WILL
EXPIRE AT 530 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3965 9534 3965 9551 3996 9534
TIME...MOT...LOC 2220Z 207DEG 42KT 3985 9527 

$$

Skow

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 7, 9:57 PM CDTRiver Flood WarningTOPCloud5 days
Oct 7, 9:57 PM CDTRiver Flood WarningTOPMarshall5 days
Oct 8, 2:45 AM CDTAreal Flood AdvisoryTOPAnderson, Franklin3 hr
Oct 8, 3:11 AM CDTRiver Flood WarningTOPFranklin4 days
Oct 8, 3:49 AM CDTRiver Flood WarningTOPFranklin, Osage58 hr
Oct 8, 4:31 AM CDTAreal Flood AdvisoryTOPAnderson, Coffey, Franklin, Osage3 hr
Oct 8, 7:25 AM CDTFlash Flood WarningTOPAnderson, Franklin4 hr
Oct 8, 9:14 AM CDTRiver Flood WarningTOPDickinson, Ottawa, Saline5 days
Oct 8, 11:28 AM CDTAreal Flood WarningTOPAnderson, Franklin4 hr
Oct 8, 12:12 PM CDTAreal Flood WarningTOPCloud, Ottawa4 hr
Oct 8, 12:59 PM CDTRiver Flood WarningTOPMarshall3 days
Oct 8, 12:59 PM CDTRiver Flood WarningTOPLyon5 days
Oct 8, 12:59 PM CDTRiver Flood WarningTOPOttawa, Saline24 hr
Oct 8, 12:59 PM CDTRiver Flood WarningTOPDickinson4 days
Oct 8, 12:59 PM CDTRiver Flood WarningTOPDickinson57 hr
Oct 8, 12:59 PM CDTRiver Flood WarningTOPLyon4 days
Oct 8, 1:31 PM CDTSpecial Weather StatementTOPGeary29 min
Oct 8, 1:57 PM CDTSpecial Weather StatementTOPPottawatomie33 min
Oct 8, 3:40 PM CDTRiver Flood WarningTOPLyon49 hr
Oct 8, 3:40 PM CDTRiver Flood WarningTOPLyon60 hr
Oct 8, 3:40 PM CDTRiver Flood WarningTOPOttawa55 hr
Oct 8, 3:40 PM CDTRiver Flood WarningTOPRiley51 hr
Oct 8, 4:24 PM CDTSpecial Weather StatementTOPJackson36 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2018Every severe thunderstorm warning 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.