Alert archive / Kansas / Special Weather Statements in 2016

Special Weather Statement, NWS Topeka, KS

May 9, 2016Brown County, Jackson County, Nemaha County, Kansas

NWS Topeka, KS issued this special weather statement at May 9, 2016, 9:05 PM CDT for Brown County, Jackson County, Nemaha County, Kansas. It was in force for 55 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: May 9, 2016, 9:05 PM CDT (02:05 UTC)
Expired: May 9, 2016, 10:00 PM CDT
In force: 55 min
Issued by: NWS Topeka, KS

Counties Brown County, KS, Jackson County, KS, Nemaha County, KS

The radar

The Topeka radar (KTWX), 94 km from the middle of the area, began a volume at 02:07 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 00:00Z, 2.1 hours before the alert went out and 80 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: 1656 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1273 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 127 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 Topeka, KS wrote its last area forecast discussion before this special weather statement went out at May 9, 6:55 PM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, May 9, 6:55 PM CDT, 2 hours 10 minutes before

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Hazardous weather outlook, May 9, 11:54 AM CDT, 9 hours 11 minutes before

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In the hours before

Local storm report, May 9, 7:08 PM CDT, 1 hour 57 minutes before

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Local storm report, May 9, 7:42 PM CDT, 1 hour 23 minutes before

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Special weather statement, May 9, 8:31 PM CDT, 34 minutes before

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Special weather statement, May 9, 8:34 PM CDT, 31 minutes before

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Special weather statement, May 9, 8:40 PM CDT, 25 minutes before

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Special weather statement, May 9, 9:05 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:01 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	29 min
May 9, 7:18 PM CDT	Flash Flood Warning	TOP	Cloud, Republic	5 hr
May 9, 7:22 PM CDT	Flash Flood Warning	TOP	Clay, Riley, Washington	5 hr
May 9, 7:27 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Riley	26 min
May 9, 8:31 PM CDT	Special Weather Statement	TOP	Shawnee	29 min
May 9, 8:34 PM CDT	Special Weather Statement	TOP	Anderson, Franklin	56 min
May 9, 8:40 PM CDT	Special Weather Statement	TOP	Nemaha	50 min
May 9, 9:15 PM CDT	Areal Flood Advisory	TOP	Washington	3 hr

Nearby

Special Weather Statements in Kansas, 2016 Every special weather statement in 2016

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.