Alert archive / Kansas / Tornado Warnings in 2007

Tornado Warning 19, NWS Kansas City, MO

April 27, 2007Linn County, Kansas

NWS Kansas City, MO issued this tornado warning at Apr 27, 2007, 5:50 PM CDT for Linn County, Kansas. It was in force for 25 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 27, 2007, 5:50 PM CDT (22:50 UTC)
Expired
Apr 27, 2007, 6:15 PM CDT
In force
25 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

County Linn County, KS

The radar

The Pleasant Hill radar (KEAX), 85 km from the middle of the area, began a volume at 22:50 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.

What was reported inside it

TimeReportWhereRemark
Apr 27, 5:50 PM CDTHAIL 1Mound City Ks, KSDIME TO QUARTER SIZE HAIL
Apr 27, 6:02 PM CDTTORNADO1 Se Mound City Ks, KSTORNADO ON THE GROUND NEAR SUGAR VALLEY LAKE
Apr 27, 6:03 PM CDTHAIL 1Pleasanton, KS

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

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.8 hours before the alert went out and 119 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 12:00Z on 2007-04-27Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2007-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
1733 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
85 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.

000 
WFUS53 KEAX 272250
TOREAX
KSC107-272315-
/O.NEW.KEAX.TO.W.0019.070427T2250Z-070427T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
550 PM CDT FRI APR 27 2007

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN LINN COUNTY IN EAST CENTRAL KANSAS

* UNTIL 615 PM CDT

* AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MOUND CITY...AND MOVING SOUTHEAST AT 30 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  PLEASANTON BY 555 PM CDT.

A FUNNEL CLOUD HAS BEEN REPORTED WITH THIS STORM. IN ADDITION TO THE 
TORNADO...THIS STORM IS EXPECTED TO PRODUCE QUARTER SIZE HAIL AND 
DESTRUCTIVE STRAIGHT LINE WINDS WELL AWAY FROM THE STORM CENTER.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

LAT...LON 3824 9484 3816 9493 3803 9474 3815 9462

$$

DEROCHE
3 follow-up statements
000 
WWUS53 KEAX 272253
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
552 PM CDT FRI APR 27 2007

KSC107-272315-
/O.CON.KEAX.TO.W.0019.000000T0000Z-070427T2315Z/
LINN KS-
552 PM CDT FRI APR 27 2007

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN LINN COUNTY
IN EAST CENTRAL KANSAS UNTIL 615 PM CDT...

AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR MOUND CITY...MOVING SOUTHEAST AT 30 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN LINN
COUNTY.

A FUNNEL CLOUD HAS BEEN REPORTED WITH THIS STORM. THIS STORM IS 
CAPABLE OF PRODUCING GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT 
LINE WINDS. SEEK SHELTER NOW

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

LAT...LON 3823 9482 3815 9490 3803 9474 3815 9462

$$

DEROCHE
000 
WWUS53 KEAX 272304
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
604 PM CDT FRI APR 27 2007

KSC107-272315-
/O.CON.KEAX.TO.W.0019.000000T0000Z-070427T2315Z/
LINN KS-
604 PM CDT FRI APR 27 2007

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN LINN COUNTY
IN EAST CENTRAL KANSAS UNTIL 615 PM CDT...

AT 600 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR 
PLEASANTON...MOVING SOUTHEAST AT 30 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN LINN
COUNTY.

THIS STORM IS CAPABLE OF PRODUCING GOLFBALL SIZE HAIL AND 
DESTRUCTIVE STRAIGHT LINE WINDS. SEEK SHELTER NOW

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

LAT...LON 3823 9482 3815 9490 3803 9474 3815 9462

$$

DEROCHE
000 
WWUS53 KEAX 272314
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
613 PM CDT FRI APR 27 2007

KSC107-272323-
/O.EXP.KEAX.TO.W.0019.000000T0000Z-070427T2315Z/
LINN KS-
613 PM CDT FRI APR 27 2007

...THE TORNADO WARNING FOR SOUTHEASTERN LINN COUNTY IN EAST CENTRAL
KANSAS WILL EXPIRE AT 615 PM CDT...

AT 610 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

LAT...LON 3823 9482 3815 9490 3803 9474 3815 9462

$$

DEROCHE

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 5:02 PM CDTTornado WarningEAXJohnson, Miami28 min
Apr 27, 5:33 PM CDTTornado WarningEAXMiami27 min

Nearby

Tornado Warnings in Kansas, 2007Every tornado warning in 2007Tornadoes in 2007

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.