Alert archive / Missouri / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Kansas City, MO

April 10, 20085 counties in Missouri; Wyandotte County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 10, 2008, 7:59 PM CDT for 5 counties in Missouri; Wyandotte County, Kansas. It was in force for 46 min. 7 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 10, 2008, 7:59 PM CDT (00:59 UTC)
Expired
Apr 10, 2008, 8:45 PM CDT
In force
46 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon

Counties Wyandotte County, KS, Buchanan County, MO, Clay County, MO, Clinton County, MO, Jackson County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 61 km from the middle of the area, began a volume at 01:00 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 10, 8:10 PM CDTTSTM WND GST 602 Nne Lake Waukomis, MOESTIMATED BY OFF-DUTY NWS EMPLOYEE.
Apr 10, 8:12 PM CDTTSTM WND GST 582 Nw Kansas City, MOPEAK GUST MEASURED BY KMKC ASOS
Apr 10, 8:12 PM CDTTSTM WND GST 58Kansas City, MOPEAK GUST MEASURED BY KMKC ASOS
Apr 10, 8:29 PM CDTTSTM WND GST 602 W Gower, MOSHERIFF OFFICE RELAYED REPORT OF 50 TO 60 MPH WINDS
Apr 10, 8:30 PM CDTTSTM WND GST 501 Nnw Gower, MO
Apr 10, 8:50 PM CDTTSTM WND DMG1 N Perrin, MOPOWER POLE BENT OVER...CAR PORT BLOWN 100 FT FROM ORIGINAL LOCATION...DAMAGE WAS SPACED 1/4 MILE APART. INTERSECTION OF STATE ROAD T AND 33 HIGHWAY.
Apr 10, 8:50 PM CDTTSTM WND DMG3 S Perrin, MOPOWER POLE BENT OVER...CAR PORT BLOWN 100 FT FROM ORIGINAL LOCATION...DAMAGE WAS SPACED 1/4 MILE APART. INTERSECTION OF STATE ROAD T AND 33 HIGHWAY.

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 10, 2:28 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.0 hours before the alert went out and 108 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 2008-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 543 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 2008-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897117Sfc1 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
543 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 110101
SVREAX
KSC209-MOC021-047-049-095-165-110145-
/O.NEW.KEAX.SV.W.0021.080411T0059Z-080411T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
759 PM CDT THU APR 10 2008

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN WYANDOTTE COUNTY IN NORTHEAST KANSAS
  SOUTHEASTERN BUCHANAN COUNTY IN NORTHWEST MISSOURI
  CLAY COUNTY IN WEST CENTRAL MISSOURI
  CLINTON COUNTY IN NORTHWEST MISSOURI
  NORTHWESTERN JACKSON COUNTY IN WEST CENTRAL MISSOURI
  NORTHEASTERN PLATTE COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 845 PM CDT

* AT 754 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM EASTON TO LANSING TO LENEXA TO SPRING HILL...AND
  MOVING NORTHEAST AT 55 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  KANSAS CITY KANSAS...KANSAS CITY DOWNTOWN ARPT...PLATTE CITY AND
  PARKVILLE BY 805 PM CDT.
  RIVERSIDE...PLATTE WOODS...OAKVIEW AND NORTHMOOR BY 810 PM CDT.
  SMITHVILLE...PLEASANT VALLEY...DEARBORN AND CLAYCOMO BY 815 PM CDT.
  TRIMBLE AND SUGAR CREEK BY 820 PM CDT.

THE TOWNS OF HOOVER...OAKS...OAKWOOD PARK...OAKWOOD...RIDGELY...
RANDOLPH...MAYWOOD...BIRMINGHAM...PRATHERSVILLE AND MOSBY ARE ALSO IN
THE PATH OF THESE SEVERE THUNDERSTORMS.

AT 747 PM DAMAGING WINDS UP TO 65 MPH WERE REPORTED 1 S TONGANOXIE 
WITH THIS STORM. IN ADDITION...56 MPH WINDS WERE REPORTED NEAR 
LEAVENWORTH SHORTLY BEFORE 8 PM. THIS IS A DANGEROUS LINE OF  
STORMS...SEEK SAFE SHELTER AND STAY AWAY FROM WINDOWS

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR NORTHERN MISSOURI.

LAT...LON 3960 9431 3943 9422 3921 9422 3920 9420
      3914 9420 3886 9461 3904 9461 3905 9465
      3933 9472 3948 9496 3975 9456 3974 9448
TIME...MOT...LOC 0059Z 227DEG 49KT 3944 9501 3925 9484
          3902 9468 3882 9477

$$

MJ
3 follow-up statements
000 
WWUS53 KEAX 110117
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
816 PM CDT THU APR 10 2008

KSC209-MOC021-047-049-095-165-110145-
/O.CON.KEAX.SV.W.0021.000000T0000Z-080411T0145Z/
WYANDOTTE KS-JACKSON MO-CLAY MO-PLATTE MO-CLINTON MO-BUCHANAN MO-
816 PM CDT THU APR 10 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
BUCHANAN...CLINTON...NORTHEASTERN PLATTE...CLAY...NORTHWESTERN
JACKSON AND EASTERN WYANDOTTE COUNTIES UNTIL 845 PM CDT...

AT 814 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM DEARBORN TO SMITHVILLE TO PLEASANT VALLEY
TO KANSAS CITY TO GRANDVIEW...MOVING NORTHEAST AT 55 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  SUGAR CREEK...RAYTOWN...LIBERTY AND KEARNEY BY 825 PM CDT.
  COURTNEY...INDEPENDENCE...HOLT AND PLATTSBURG BY 830 PM CDT.
  LATHROP BY 835 PM CDT.
  MISSOURI CITY AND EXCELSIOR SPRINGS BY 840 PM CDT.

THE TOWNS OF MAYWOOD...RANDOLPH...BIRMINGHAM...PRATHERSVILLE AND
MOSBY ARE ALSO IN THE PATH OF THIS LINE OF SEVERE THUNDERSTORMS.

AT 805 PM DAMAGING WINDS UP TO 70 MPH WERE REPORTED AT FORT 
LEAVENWORTH WITH THIS STORM. AT 812 PM 58 MPH WINDS WERE REPORTED AT 
THE DOWNTOWN KANSAS CITY AIRPORT. THIS IS A DANGEROUS LINE OF 
STORMS...SEEK SAFE SHELTER AND STAY AWAY FROM WINDOWS

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR NORTHEASTERN KANSAS AND NORTHWESTERN MISSOURI. A
TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY
EVENING FOR NORTHERN MISSOURI.

LAT...LON 3960 9431 3943 9422 3921 9422 3920 9420
      3914 9420 3886 9461 3904 9461 3905 9465
      3933 9472 3948 9496 3975 9456 3974 9448
TIME...MOT...LOC 0116Z 227DEG 49KT 3955 9482 3941 9462
          3925 9449 3911 9458 3890 9458

$$

MJ
000 
WWUS53 KEAX 110132
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
831 PM CDT THU APR 10 2008

KSC209-110141-
/O.CAN.KEAX.SV.W.0021.000000T0000Z-080411T0145Z/
WYANDOTTE KS-
831 PM CDT THU APR 10 2008

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WYANDOTTE COUNTY IS
CANCELLED...

AT 829 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA 
...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE SEVERE THUNDERSTORM WARNING IS CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR NORTHEASTERN KANSAS AND NORTHWESTERN MISSOURI. A
TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY
EVENING FOR NORTHERN MISSOURI.

LAT...LON 3960 9431 3943 9422 3921 9422 3920 9420
      3914 9420 3895 9450 3943 9459 3955 9482
      3974 9457 3975 9453 3974 9448
TIME...MOT...LOC 0131Z 227DEG 49KT 3965 9469 3958 9445
          3939 9432 3928 9440 3904 9439

$$

MOC021-047-049-095-165-110145-
/O.CON.KEAX.SV.W.0021.000000T0000Z-080411T0145Z/
JACKSON MO-CLAY MO-PLATTE MO-CLINTON MO-BUCHANAN MO-
831 PM CDT THU APR 10 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
BUCHANAN...CLINTON...NORTHEASTERN PLATTE...CLAY AND NORTHERN JACKSON
COUNTIES UNTIL 845 PM CDT...

AT 829 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM AGENCY TO PLATTSBURG TO KEARNEY TO LIBERTY TO
RAYTOWN...MOVING NORTHEAST AT 55 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  EXCELSIOR SPRINGS AND MISSOURI CITY BY 840 PM CDT.

THE TOWNS OF PRATHERSVILLE AND MOSBY ARE ALSO IN THE PATH OF THIS
LINE OF SEVERE THUNDERSTORMS.

AT 812 PM 58 MPH WINDS WERE REPORTED AT THE DOWNTOWN KANSAS CITY 
AIRPORT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR NORTHEASTERN KANSAS AND NORTHWESTERN MISSOURI. A
TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY
EVENING FOR NORTHERN MISSOURI.

LAT...LON 3960 9431 3943 9422 3921 9422 3920 9420
      3914 9420 3895 9450 3943 9459 3955 9482
      3974 9457 3975 9453 3974 9448
TIME...MOT...LOC 0131Z 227DEG 49KT 3965 9469 3958 9445
          3939 9432 3928 9440 3904 9439

$$

MJ
000 
WWUS53 KEAX 110145
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
845 PM CDT THU APR 10 2008

MOC021-047-049-095-165-110155-
/O.EXP.KEAX.SV.W.0021.000000T0000Z-080411T0145Z/
JACKSON MO-CLAY MO-PLATTE MO-CLINTON MO-BUCHANAN MO-
845 PM CDT THU APR 10 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUCHANAN...
CLINTON...NORTHEASTERN PLATTE...CLAY AND NORTHERN JACKSON COUNTIES
HAS EXPIRED...

AT 843 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO
EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR NORTHEASTERN KANSAS AND NORTHWESTERN MISSOURI. A
TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY
EVENING FOR NORTHERN MISSOURI.

LAT...LON 3960 9431 3943 9422 3921 9422 3920 9420
      3914 9420 3895 9450 3943 9459 3955 9482
      3974 9457 3975 9453 3974 9448
TIME...MOT...LOC 0132Z 227DEG 49KT 3966 9467 3959 9443
          3940 9431 3929 9439 3905 9438

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 7:30 PM CDTSevere Thunderstorm WarningEAXPlatte45 min
Apr 10, 7:46 PM CDTSevere Thunderstorm WarningEAXBuchanan, Platte44 min
Apr 10, 8:03 PM CDTAreal Flood WarningEAXAdair, Henry12 hr
Apr 10, 8:24 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan, Clinton, Daviess, DeKalb, Gentry36 min
Apr 10, 8:45 PM CDTSevere Thunderstorm WarningEAXCaldwell, Clinton, Daviess, DeKalb30 min
Apr 10, 8:54 PM CDTSevere Thunderstorm WarningEAXDaviess, DeKalb, Gentry, Harrison, Mercer, Worth36 min
Apr 10, 9:16 PM CDTSevere Thunderstorm WarningEAXCaldwell, Daviess, Grundy, Harrison, Linn, Livingston and 4 more44 min
Apr 10, 9:30 PM CDTSevere Thunderstorm WarningEAXDaviess, Gentry, Harrison, Mercer, Worth30 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2008Severe Thunderstorm Warnings in Kansas, 2008Every severe thunderstorm warning in 2008

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.