Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Hastings, NE

May 16, 2021Rooks County, Kansas

NWS Hastings, NE issued this special weather statement at May 16, 2021, 1:18 AM CDT for Rooks County, Kansas. It was in force for 27 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 16, 2021, 1:18 AM CDT (06:18 UTC)
Expired: May 16, 2021, 1:45 AM CDT
In force: 27 min
Issued by: NWS Hastings, NE

County Rooks County, KS

The radar

The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 06:21 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

Dodge City, (KDDC), launched 00:00Z, 6.3 hours before the alert went out and 192 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: 1303 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1181 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 196 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.1

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 Hastings, NE wrote its last area forecast discussion before this special weather statement went out at May 16, 12:34 AM CDT, 44 minutes earlier.

Area forecast discussion, May 16, 12:34 AM CDT, 44 minutes before

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Hazardous weather outlook, May 15, 3:41 PM CDT, 9 hours 37 minutes before

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In the hours before

Special weather statement, May 15, 8:56 PM CDT, 4 hours 22 minutes before

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Special weather statement, May 15, 11:41 PM CDT, 1 hour 37 minutes before

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Special weather statement, May 15, 11:50 PM CDT, 1 hour 28 minutes before

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Special weather statement, May 16, 12:34 AM CDT, 44 minutes before

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Special weather statement, May 16, 1:18 AM CDT, 0 minutes before

Special Weather Statement
National Weather Service Hastings NE
118 AM CDT Sun May 16 2021

KSZ017-160645-
Rooks KS-
118 AM CDT Sun May 16 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ROOKS COUNTY UNTIL
145 AM CDT...

At 118 AM CDT, Doppler radar was tracking a strong thunderstorm near
Webster State Park, or 17 miles east of Hill City, moving north at 20
mph.

Penny size hail and winds in excess of 40 mph will be possible with
this storm.

This storm will remain over mainly rural areas of northwestern Rooks
County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3937 9960 3957 9960 3957 9946 3956 9931
      3935 9943
TIME...MOT...LOC 0618Z 189DEG 19KT 3944 9953

Fay

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 8:56 PM CDT	Special Weather Statement	GID	Buffalo	34 min
May 16, 10:57 AM CDT	Areal Flood Advisory	GID	Dawson	6 hr
May 15, 11:41 PM CDT	Special Weather Statement	GID	Rooks	34 min
May 15, 11:50 PM CDT	Special Weather Statement	GID	Rooks	25 min
May 16, 12:34 AM CDT	Special Weather Statement	GID	Rooks	26 min
May 16, 3:37 AM CDT	Areal Flood Advisory	GID	Osborne, Rooks	3 hr
May 16, 6:47 AM CDT	Areal Flood Warning	GID	Osborne, Rooks	79 min
May 16, 8:06 AM CDT	Flash Flood Warning	GID	Osborne, Rooks	6 hr
May 16, 1:54 PM CDT	Areal Flood Warning	GID	Osborne, Rooks	24 hr
May 16, 2:30 PM CDT	River Flood Warning	GID	Osborne, Rooks	32 hr
May 16, 5:33 PM CDT	River Flood Warning	GID	Osborne	55 hr

Nearby

Special Weather Statements in Kansas, 2021 Every special weather statement in 2021

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.