Alert archive / Nebraska / Special Weather Statements in 2014

Special Weather Statement, NWS Cheyenne, WY

July 10, 2014Cheyenne County, Morrill County, Nebraska

NWS Cheyenne, WY issued this special weather statement at Jul 10, 2014, 10:33 PM MDT for Cheyenne County, Morrill County, Nebraska. It was in force for 57 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 10, 2014, 10:33 PM MDT (04:33 UTC)
Expired: Jul 10, 2014, 11:30 PM MDT
In force: 57 min
Issued by: NWS Cheyenne, WY

Counties Cheyenne County, NE, Morrill County, NE

The radar

The Cheyenne radar (KCYS), 172 km from the middle of the area, began a volume at 04:36 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, 4.6 hours before the alert went out and 182 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: 1498 J/kg
Mixed-layer CIN: -142 J/kg
Mixed-layer LCL: 1666 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 10, 7:04 PM MDT, 3 hours 29 minutes earlier.

Area forecast discussion, Jul 10, 7:04 PM MDT, 3 hours 29 minutes before

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Hazardous weather outlook, Jul 10, 7:08 PM MDT, 3 hours 25 minutes before

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In the hours before

Special weather statement, Jul 10, 4:51 PM MDT, 5 hours 42 minutes before

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Special weather statement, Jul 10, 5:13 PM MDT, 5 hours 20 minutes before

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Special weather statement, Jul 10, 5:28 PM MDT, 5 hours 5 minutes before

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Special weather statement, Jul 10, 6:39 PM MDT, 3 hours 54 minutes before

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Special weather statement, Jul 10, 9:40 PM MDT, 53 minutes before

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Special weather statement, Jul 10, 10:33 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 11, 1:25 PM MDT	Special Weather Statement	CYS	Laramie	35 min
Jul 11, 1:58 PM MDT	Special Weather Statement	CYS	Laramie	47 min
Jul 11, 2:19 PM MDT	Special Weather Statement	CYS	Goshen	26 min
Jul 11, 3:06 PM MDT	Special Weather Statement	CYS	Laramie	39 min
Jul 11, 4:48 PM MDT	Special Weather Statement	CYS	Platte	42 min
Jul 11, 4:49 PM MDT	Special Weather Statement	CYS		41 min
Jul 11, 4:51 PM MDT	Special Weather Statement	CYS		39 min
Jul 10, 6:39 PM MDT	Special Weather Statement	CYS	Dawes	51 min
Jul 10, 9:40 PM MDT	Special Weather Statement	CYS	Cheyenne	35 min
Jul 11, 2:39 AM MDT	Special Weather Statement	CYS	Morrill	51 min
Jul 11, 2:38 PM MDT	Special Weather Statement	CYS	Sioux	37 min
Jul 11, 3:12 PM MDT	Special Weather Statement	CYS	Sioux	33 min
Jul 11, 3:49 PM MDT	Special Weather Statement	CYS	Box Butte	41 min
Jul 11, 3:58 PM MDT	Severe Thunderstorm Warning	CYS	Kimball	47 min
Jul 11, 4:04 PM MDT	Special Weather Statement	CYS	Scotts Bluff	41 min
Jul 11, 4:23 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Morrill, Scotts Bluff, Sioux	52 min
Jul 11, 4:43 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne, Kimball	47 min
Jul 11, 5:09 PM MDT	Special Weather Statement	CYS	Morrill	51 min
Jul 11, 5:15 PM MDT	Flash Flood Warning	CYS	Kimball	6 hr
Jul 11, 5:31 PM MDT	Special Weather Statement	CYS	Dawes	29 min
Jul 11, 5:55 PM MDT	Special Weather Statement	CYS	Cheyenne	35 min

Nearby

Special Weather Statements in Nebraska, 2014 Every special weather statement in 2014

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.