Alert archive / Kansas / Tornado Warnings in 2010

Tornado Warning 2, NWS Topeka, KS

April 5, 2010Washington County, Kansas

NWS Topeka, KS issued this tornado warning at Apr 5, 2010, 8:58 PM CDT for Washington County, Kansas. It was in force for 32 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 5, 2010, 8:58 PM CDT (01:58 UTC)
Expired
Apr 5, 2010, 9:30 PM CDT
In force
32 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon

County Washington County, KS

The radar

The Grand Island radar (KUEX), 125 km from the middle of the area, began a volume at 02:01 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.

What was reported inside it

TimeReportWhereRemark
Apr 5, 9:00 PM CDTHAIL 11 Ne Washington, KS
Apr 5, 9:11 PM CDTHAIL 1Hanover, KS
Apr 5, 9:15 PM CDTHAIL 1.25Hanover, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 5, 7:39 PM CDTTornado WatchSPC3 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.0 hours before the alert went out and 160 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 2010-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1771 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 00:00Z on 2010-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 287 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
1771 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1354 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
287 m²/s²
0-3 km storm-relative helicity
328 m²/s²
Significant tornado parameter
1.3
Supercell composite
15.2

Open this sounding in Storm Lab

The text

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

658 
WFUS53 KTOP 060158
TORTOP
KSC201-060230-
/O.NEW.KTOP.TO.W.0002.100406T0158Z-100406T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
858 PM CDT MON APR 5 2010

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WASHINGTON COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 930 PM CDT

* AT 856 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS TORNADO
  WAS LOCATED NEAR MORROWVILLE...OR 6 MILES WEST OF WASHINGTON...
  MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WASHINGTON...
  HOLLENBURG...
  HANOVER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW! TORNADOES
MAY HAVE WINDS GREATER THAN 100 MPH. AVOID OVERPASSES AND WINDOWS...
AND USE BLANKETS OR PILLOWS TO PROTECT YOURSELF FROM FLYING DEBRIS.

STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST
SEVERE WEATHER INFORMATION.

&&

LAT...LON 4000 9711 4000 9680 3990 9680 3971 9717
      3988 9733 4000 9714
TIME...MOT...LOC 0158Z 233DEG 28KT 3984 9715

$$

KONOP
1 follow-up statement
687 
WWUS53 KTOP 060207
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
907 PM CDT MON APR 5 2010

KSC201-060230-
/O.CON.KTOP.TO.W.0002.000000T0000Z-100406T0230Z/
WASHINGTON-
907 PM CDT MON APR 5 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
NORTHEASTERN WASHINGTON COUNTY...

AT 905 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED 4 MILES NORTHWEST OF WASHINGTON...MOVING NORTHEAST
AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
HOLLENBURG AND HANOVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW! TORNADOES
MAY HAVE WINDS GREATER THAN 100 MPH. AVOID OVERPASSES AND WINDOWS...
AND USE BLANKETS OR PILLOWS TO PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3990 9680 3975 9710 3989 9714 4000 9714
      4000 9680
TIME...MOT...LOC 0207Z 233DEG 28KT 3988 9708
WIND...HAIL <50MPH <.50IN

$$

KONOP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 7:31 PM CDTSevere Thunderstorm WarningTOPClay, Marshall, Riley, Washington29 min
Apr 5, 7:43 PM CDTSevere Thunderstorm WarningTOPBrown, Nemaha18 min
Apr 5, 7:53 PM CDTSevere Thunderstorm WarningTOPMarshall37 min
Apr 5, 8:08 PM CDTSevere Thunderstorm WarningTOPWashington52 min
Apr 5, 8:26 PM CDTSevere Thunderstorm WarningTOPCloud, Republic, Washington34 min
Apr 5, 8:44 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington31 min
Apr 5, 9:13 PM CDTSevere Thunderstorm WarningTOPMarshall17 min
Apr 5, 9:18 PM CDTTornado WarningTOPMarshall, Washington27 min
Apr 5, 9:38 PM CDTSevere Thunderstorm WarningTOPMarshall11 min
Apr 6, 2:38 PM CDTSevere Thunderstorm WarningTOPLyon, Morris, Osage, Wabaunsee37 min
Apr 6, 3:04 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson, Osage, Shawnee, Wabaunsee41 min
Apr 6, 3:14 PM CDTSevere Thunderstorm WarningTOPLyon, Morris, Osage, Wabaunsee46 min
Apr 6, 3:43 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson, Osage, Shawnee, Wabaunsee47 min
Apr 6, 3:47 PM CDTSevere Thunderstorm WarningTOPDouglas, Franklin, Lyon, Osage43 min
Apr 6, 4:09 PM CDTAreal Flood AdvisoryTOPLyon111 min
Apr 6, 4:24 PM CDTAreal Flood AdvisoryTOPDouglas81 min
Apr 6, 4:28 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson22 min
Apr 6, 4:52 PM CDTSevere Thunderstorm WarningTOPDouglas, Franklin, Lyon, Osage, Shawnee38 min
Apr 6, 5:29 PM CDTAreal Flood AdvisoryTOPLyon2 hr
Apr 6, 6:41 PM CDTSevere Thunderstorm WarningTOPCoffey, Lyon49 min

Nearby

Tornado Warnings in Kansas, 2010Every tornado warning in 2010Tornadoes in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.