Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS Cheyenne, WY

July 23, 2016Cheyenne County, Nebraska

NWS Cheyenne, WY issued this special weather statement at Jul 23, 2016, 6:04 PM MDT for Cheyenne County, Nebraska. It was in force for 41 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: Jul 23, 2016, 6:04 PM MDT (00:04 UTC)
Expired: Jul 23, 2016, 6:45 PM MDT
In force: 41 min
Issued by: NWS Cheyenne, WY

County Cheyenne County, NE

The radar

The Cheyenne radar (KCYS), 162 km from the middle of the area, began a volume at 00:07 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

Denver, CO (KDEN), launched 00:00Z, 0.1 hours before the alert went out and 145 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: 46 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 3648 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 14 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 Cheyenne, WY wrote its last area forecast discussion before this special weather statement went out at Jul 23, 5:53 PM MDT, 11 minutes earlier.

Area forecast discussion, Jul 23, 5:53 PM MDT, 11 minutes before

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Hazardous weather outlook, Jul 23, 10:54 AM MDT, 7 hours 10 minutes before

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In the hours before

Local storm report, Jul 23, 4:47 PM MDT, 1 hour 17 minutes before

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Special weather statement, Jul 23, 6:04 PM MDT, 0 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
Jul 23, 8:58 PM MDT	Special Weather Statement	CYS	Laramie	47 min
Jul 24, 1:30 PM MDT	Special Weather Statement	CYS	Laramie	45 min
Jul 24, 1:33 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Platte	57 min
Jul 24, 2:37 PM MDT	Special Weather Statement	CYS	Goshen	53 min
Jul 24, 2:42 PM MDT	Special Weather Statement	CYS	Laramie	48 min
Jul 24, 2:46 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	59 min
Jul 24, 3:15 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	34 min
Jul 24, 3:43 PM MDT	Areal Flood Advisory	CYS	Laramie	3 hr
Jul 24, 5:55 PM MDT	Special Weather Statement	CYS	Niobrara	50 min
Jul 24, 2:26 PM MDT	Special Weather Statement	CYS	Scotts Bluff	49 min
Jul 24, 2:48 PM MDT	Special Weather Statement	CYS	Scotts Bluff	42 min
Jul 24, 3:30 PM MDT	Special Weather Statement	CYS	Kimball	45 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.