Alert archive / Nebraska / Special Weather Statements in 2013

Special Weather Statement, NWS Cheyenne, WY

May 27, 2013Banner County, Nebraska

NWS Cheyenne, WY issued this special weather statement at May 27, 2013, 2:00 PM MDT for Banner County, Nebraska. It was in force for 60 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 27, 2013, 2:00 PM MDT (20:00 UTC)
Expired: May 27, 2013, 3:00 PM MDT
In force: 60 min
Issued by: NWS Cheyenne, WY

County Banner County, NE

The radar

The Cheyenne radar (KCYS), 109 km from the middle of the area, began a volume at 20:01 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 (KDNR), launched 12:00Z, 8.0 hours before the alert went out and 187 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 4442 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 27, 11:25 AM MDT, 2 hours 35 minutes earlier.

Area forecast discussion, May 27, 11:25 AM MDT, 2 hours 35 minutes before

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Hazardous weather outlook, May 27, 11:08 AM MDT, 2 hours 52 minutes before

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In the hours before

Special weather statement, May 27, 2:00 PM MDT, 0 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 6:42 PM MDT	Special Weather Statement	CYS	Platte	48 min
May 26, 7:45 PM MDT	Special Weather Statement	CYS	Niobrara	45 min
May 26, 8:01 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara	44 min
May 26, 8:09 PM MDT	Special Weather Statement	CYS	Laramie	66 min
May 26, 8:30 PM MDT	Special Weather Statement	CYS	Scotts Bluff	45 min
May 26, 9:05 PM MDT	Special Weather Statement	CYS	Scotts Bluff	25 min
May 26, 9:22 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Morrill, Scotts Bluff	38 min
May 26, 9:53 PM MDT	Special Weather Statement	CYS	Scotts Bluff	52 min
May 26, 10:16 PM MDT	Special Weather Statement	CYS	Box Butte	44 min
May 27, 2:05 PM MDT	Tornado Warning Tornado observed	CYS	Banner, Kimball	25 min
May 27, 2:28 PM MDT	Tornado Warning Tornado observed	CYS	Banner, Cheyenne, Kimball, Morrill	32 min
May 27, 2:57 PM MDT	Special Weather Statement	CYS	Cheyenne	48 min
May 27, 3:33 PM MDT	Special Weather Statement	CYS	Banner	42 min
May 27, 3:36 PM MDT	Special Weather Statement	CYS	Morrill	39 min
May 27, 3:38 PM MDT	Special Weather Statement	CYS	Box Butte	52 min
May 27, 3:45 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne, Morrill	60 min
May 27, 3:57 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes, Sioux	63 min
May 27, 4:02 PM MDT	Tornado Warning Tornado observed	CYS	Box Butte, Dawes, Sioux	28 min
May 27, 4:11 PM MDT	Special Weather Statement	CYS	Dawes	64 min
May 27, 4:32 PM MDT	Special Weather Statement	CYS	Dawes	58 min
May 27, 4:43 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	62 min
May 27, 4:46 PM MDT	Special Weather Statement	CYS	Box Butte	59 min
May 27, 4:47 PM MDT	Special Weather Statement	CYS	Box Butte	58 min
May 27, 5:28 PM MDT	Special Weather Statement	CYS	Box Butte	62 min
May 27, 5:35 PM MDT	Special Weather Statement	CYS	Scotts Bluff	40 min
May 27, 5:48 PM MDT	Special Weather Statement	CYS	Box Butte	57 min

Nearby

Special Weather Statements in Nebraska, 2013 Every special weather statement in 2013

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.