Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS Cheyenne, WY

March 29, 2016Cheyenne County, Morrill County, Nebraska

NWS Cheyenne, WY issued this special weather statement at Mar 29, 2016, 11:56 PM MDT for Cheyenne County, Morrill County, Nebraska. It was in force for 49 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 29, 2016, 11:56 PM MDT (05:56 UTC)
Expired: Mar 30, 2016, 12:45 AM MDT
In force: 49 min
Issued by: NWS Cheyenne, WY

Counties Cheyenne County, NE, Morrill County, NE

The radar

The Cheyenne radar (KCYS), 168 km from the middle of the area, began a volume at 05:56 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.9 hours before the alert went out and 188 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: 30 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 1514 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 172 m²/s²
0-3 km storm-relative helicity: 354 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 Cheyenne, WY wrote its last area forecast discussion before this special weather statement went out at Mar 29, 4:57 PM MDT, 6 hours 59 minutes earlier.

Area forecast discussion, Mar 29, 4:57 PM MDT, 6 hours 59 minutes before

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Hazardous weather outlook, Mar 29, 5:44 PM MDT, 6 hours 12 minutes before

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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 29, 7:03 PM MDT	Special Weather Statement	CYS	Deuel	27 min
Mar 29, 9:49 PM MDT	Special Weather Statement	CYS	Banner, Kimball	41 min
Mar 29, 10:58 PM MDT	Special Weather Statement	CYS	Box Butte	47 min
Mar 29, 11:31 PM MDT	Special Weather Statement	CYS	Kimball	29 min

Nearby

Special Weather Statements in Nebraska, 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.