Alert archive / Kansas / Special Weather Statements in 2016

Special Weather Statement, NWS Topeka, KS

May 9, 2016Nemaha County, Kansas

NWS Topeka, KS issued this special weather statement at May 9, 2016, 8:40 PM CDT for Nemaha County, Kansas. It was in force for 50 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, 8:40 PM CDT (01:40 UTC)
Expired: May 9, 2016, 9:30 PM CDT
In force: 50 min
Issued by: NWS Topeka, KS

County Nemaha County, KS

The radar

The Topeka radar (KTWX), 100 km from the middle of the area, began a volume at 01:41 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, 1.7 hours before the alert went out and 104 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, 1 hour 45 minutes earlier.

Area forecast discussion, May 9, 6:55 PM CDT, 1 hour 45 minutes before

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Hazardous weather outlook, May 9, 11:54 AM CDT, 8 hours 46 minutes before

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In the hours before

Local storm report, May 9, 6:56 PM CDT, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
656 PM CDT MON MAY 09 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0645 PM     HAIL             BELLEVILLE              39.82N 97.63W
05/09/2016  M1.50 INCH       REPUBLIC           KS   PUBLIC

            VIA SOCIAL MEDIA

&&

JP

Local storm report, May 9, 7:08 PM CDT, 1 hour 32 minutes before

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Local storm report, May 9, 7:42 PM CDT, 58 minutes before

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

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Special weather statement, May 9, 8:34 PM CDT, 6 minutes before

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Special weather statement, May 9, 8:40 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, 9:05 PM CDT	Special Weather Statement	TOP	Brown, Jackson, Nemaha	55 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.