Alert archive / Missouri / Special Weather Statements in 2020

Special Weather Statement, NWS Kansas City, MO

March 28, 2020Lafayette County, Missouri

NWS Kansas City, MO issued this special weather statement at Mar 28, 2020, 6:53 AM CDT for Lafayette County, Missouri. It was in force for 52 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: Mar 28, 2020, 6:53 AM CDT (11:53 UTC)
Expired: Mar 28, 2020, 7:45 AM CDT
In force: 52 min
Issued by: NWS Kansas City, MO

County Lafayette County, MO

The radar

The Pleasant Hill radar (KEAX), 18 km from the middle of the area, began a volume at 11:54 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 (KTOP), launched 00:00Z, 11.9 hours before the alert went out and 139 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 844 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 269 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Mar 28, 6:17 AM CDT, 36 minutes earlier.

Area forecast discussion, Mar 28, 6:17 AM CDT, 36 minutes before

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Hazardous weather outlook, Mar 28, 5:08 AM CDT, 1 hour 45 minutes before

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In the hours before

Special weather statement, Mar 28, 2:13 AM CDT, 4 hours 40 minutes before

Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
213 AM CDT Sat Mar 28 2020

MOZ001-002-280800-
Atchison MO-Nodaway MO-
213 AM CDT Sat Mar 28 2020

...SIGNIFICANT WEATHER ADVISORY FOR ATCHISON AND NORTHWESTERN NODAWAY
COUNTIES UNTIL 300 AM CDT...

At 213 AM CDT, Doppler radar was tracking a strong thunderstorm near
Shubert, or 16 miles southwest of Tarkio, moving northeast at 55 mph.

Half inch hail will be possible with this storm.

Locations impacted include...
Tarkio, Rock Port, Fairfax, Burlington Junction, Rockport, Clearmont,
Elmo, Westboro, Watson, Indian Cave State Park and Phelps City.

This includes Interstate 29 between mile markers 99 and 119.

LAT...LON 4057 9482 4026 9542 4026 9555 4030 9556
      4032 9561 4031 9566 4032 9566 4034 9562
      4041 9566 4046 9564 4046 9568 4058 9554
TIME...MOT...LOC 0713Z 232DEG 49KT 4033 9566

Barham

Special weather statement, Mar 28, 6:36 AM CDT, 17 minutes before

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Special weather statement, Mar 28, 6:53 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 8:53 PM CDT	Special Weather Statement	EAX	Henry	37 min
Mar 27, 9:03 PM CDT	Severe Thunderstorm Warning	EAX	Henry	27 min
Mar 28, 12:52 AM CDT	Special Weather Statement	EAX	Atchison	38 min
Mar 28, 2:07 AM CDT	Dense Fog Advisory	EAX	Caldwell, Clay, Clinton, Daviess, DeKalb, Gentry and 11 more	7 hr
Mar 28, 2:13 AM CDT	Special Weather Statement	EAX	Atchison	47 min
Mar 28, 4:10 AM CDT	Wind Advisory	EAX	Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 29 more	25 hr
Mar 28, 6:36 AM CDT	Special Weather Statement	EAX	Bates	39 min
Mar 28, 7:10 AM CDT	Special Weather Statement	EAX	Johnson	50 min
Mar 28, 7:15 AM CDT	Special Weather Statement	EAX	Henry	45 min
Mar 28, 7:37 AM CDT	Special Weather Statement	EAX	Carroll, Lafayette, Saline	53 min
Mar 28, 8:06 AM CDT	Special Weather Statement	EAX	Chariton, Howard, Randolph, Saline	54 min

Nearby

Special Weather Statements in Missouri, 2020 Every special weather statement in 2020

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.