Alert archive / Kansas / Special Weather Statements in 2019

Special Weather Statement, NWS Kansas City, MO

February 23, 2019Jackson County, Missouri; Johnson County, Wyandotte County, Kansas

NWS Kansas City, MO issued this special weather statement at Feb 23, 2019, 4:02 PM CST for Jackson County, Missouri; Johnson County, Wyandotte County, Kansas. It was in force for 28 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
Feb 23, 2019, 4:02 PM CST (22:02 UTC)
Expired
Feb 23, 2019, 4:30 PM CST
In force
28 min
Issued by
NWS Kansas City, MO

Counties Johnson County, KS, Wyandotte County, KS, Jackson County, MO

The radar

The Pleasant Hill radar (KEAX), 41 km from the middle of the area, began a volume at 22:03 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 (KFOE), launched 12:00Z, 10.0 hours before the alert went out and 85 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 2019-02-23Temperature 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, Topeka, KS at 12:00Z on 2019-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
444 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this special weather statement went out at Feb 23, 3:47 PM CST, 15 minutes earlier.

Area forecast discussion, Feb 23, 3:47 PM CST, 15 minutes before
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Hazardous weather outlook, Feb 23, 4:17 AM CST, 11 hours 45 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
417 AM CST Sat Feb 23 2019

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-241030-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
417 AM CST Sat Feb 23 2019

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Today and Tonight

 Dense fog will continue through the mid-morning hours, particularly
 for areas south of I-70. Strong wind gusts up to 45 mph are
 possible this evening into the overnight hours. Additionally,
 blizzard conditions remain possible across far northwest Missouri
 this evening, where blowing snow will reduce visibilities to less
 than 1/4 mile at times.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

.DAYS TWO THROUGH SEVEN...Sunday through Friday

 No hazardous weather is expected at this time.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

In the hours before

Special weather statement, Feb 23, 10:15 AM CST, 5 hours 47 minutes before
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1015 AM CST SAT FEB 23 2019

KSZ057-105-MOZ037-043-231645-
Johnson KS-Miami KS-Cass MO-Jackson MO-
1015 AM CST SAT FEB 23 2019

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN MIAMI...SOUTHEASTERN
JOHNSON...NORTHWESTERN CASS AND SOUTHWESTERN JACKSON COUNTIES UNTIL
1045 AM CST...

At 1015 AM CST, Doppler radar was tracking a strong thunderstorm near
Drexel, or 8 miles south of Louisburg, moving northeast at 55 mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Lee's Summit, Grandview, Belton, Raymore, Harrisonville, Pleasant
Hill, Greenwood, Peculiar, Louisburg, Lake Winnebago, Drexel,
Cleveland, Freeman, Lake Annette, West Line and New Lancaster.

LAT...LON 3848 9478 3887 9460 3885 9435 3875 9421
      3848 9459 3848 9461 3846 9461 3843 9465
TIME...MOT...LOC 1615Z 215DEG 47KT 3851 9466

Leighton
Local storm report, Feb 23, 11:47 AM CST, 4 hours 15 minutes before
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Special weather statement, Feb 23, 4:02 PM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 2:17 AM CSTDense Fog AdvisoryEAXBates, Cass, Cooper, Henry, Howard, Jackson and 4 more10 hr
Feb 23, 3:41 AM CSTWind AdvisoryEAXAdair, Andrew, Atchison, Bates, Buchanan, Caldwell and 31 more32 hr
Feb 23, 10:15 AM CSTSpecial Weather StatementEAXCass30 min
Feb 23, 10:55 AM CSTRiver Flood WarningEAXLinn, Livingston4 days
Feb 23, 10:55 AM CSTRiver Flood WarningEAXCarroll, Chariton, Linn, Livingston4 days
Feb 23, 2:17 PM CSTRiver Flood WarningEAXDaviess, Gentry54 hr
Feb 23, 2:17 PM CSTRiver Flood WarningEAXDaviess, Livingston58 hr
Feb 23, 2:17 PM CSTRiver Flood WarningEAXCooper46 hr
Feb 23, 3:28 PM CSTRiver Flood WarningEAXCass, Henry, Johnson25 hr
Feb 23, 4:05 PM CSTRiver Flood WarningEAXJohnson, Pettis38 hr
Feb 23, 4:05 PM CSTRiver Flood WarningEAXCooper, Saline57 hr
Feb 23, 4:10 PM CSTRiver Flood WarningEAXCarroll39 hr
Feb 23, 4:36 PM CSTSpecial Weather StatementEAXJackson24 min
Feb 23, 4:44 PM CSTRiver Flood WarningEAXChariton, Macon52 hr
Feb 23, 4:56 PM CSTSpecial Weather StatementEAXCaldwell, Ray34 min
Feb 23, 9:49 AM CSTSpecial Weather StatementEAXLinn26 min

Nearby

Special Weather Statements in Kansas, 2019Special Weather Statements in Missouri, 2019Every special weather statement in 2019

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.