Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS Cheyenne, WY

July 5, 2016Cheyenne County, Nebraska

NWS Cheyenne, WY issued this special weather statement at Jul 5, 2016, 2:36 PM MDT for Cheyenne County, Nebraska. It was in force for 24 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 5, 2016, 2:36 PM MDT (20:36 UTC)
Expired: Jul 5, 2016, 3:00 PM MDT
In force: 24 min
Issued by: NWS Cheyenne, WY

County Cheyenne County, NE

The radar

The Cheyenne radar (KCYS), 133 km from the middle of the area, began a volume at 20:38 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 12:00Z, 8.6 hours before the alert went out and 161 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: 2520 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: -2 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 5, 12:25 PM MDT, 2 hours 11 minutes earlier.

Area forecast discussion, Jul 5, 12:25 PM MDT, 2 hours 11 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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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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Hazardous weather outlook, Jul 5, 4:21 AM MDT, 10 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
421 AM MDT TUE JUL 5 2016

NEZ002-003-019>021-054-055-095-096-WYZ101>119-061100-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
421 AM MDT TUE JUL 5 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF PANHANDLE
NEBRASKA...EAST CENTRAL WYOMING...SOUTH CENTRAL WYOMING AND
SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED MAINLY THIS AFTERNOON
AND EVENING. A FEW STORMS COULD BECOME STRONG ENOUGH TO PRODUCE
SOME GUSTY WINDS AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ISOLATED THUNDERSTORMS ARE POSSIBLE MAINLY OVER THE NEBRASKA
PANHANDLE WEDNESDAY. A FEW OF THE STORMS COULD BECOME STRONG WITH
GUSTY WINDS AND SMALL HAIL POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Jul 5, 2:14 PM MDT, 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
214 PM MDT TUE JUL 5 2016

WYZ109-052100-
CENTRAL CARBON COUNTY WY-
214 PM MDT TUE JUL 5 2016

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL CARBON COUNTY UNTIL
300 PM MDT...

AT 214 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12
MILES EAST OF CRESTON JUNCTION...OR 14 MILES SOUTHWEST OF RAWLINS...
MOVING NORTHEAST AT 30 MPH.

WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  RAWLINS AROUND 245 PM MDT.
  SINCLAIR AROUND 250 PM MDT.

THIS INCLUDES INTERSTATE 80 IN WYOMING BETWEEN MILE MARKERS 201 AND
225.

LAT...LON 4166 10751 4175 10750 4198 10720 4172 10698
      4163 10752 4165 10754
TIME...MOT...LOC 2014Z 242DEG 26KT 4170 10749

RUBIN

Special weather statement, Jul 5, 2:36 PM MDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
236 PM MDT TUE JUL 5 2016

NEZ020-021-054-055-052100-
MORRILL NE-CHEYENNE NE-KIMBALL NE-BANNER NE-
236 PM MDT TUE JUL 5 2016

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CHEYENNE...SOUTHEASTERN
BANNER...SOUTH CENTRAL MORRILL AND NORTHEASTERN KIMBALL COUNTIES
UNTIL 300 PM MDT...

AT 236 PM MDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES SOUTH OF REDINGTON
TO NEAR DIX TO 6 MILES SOUTHEAST OF KIMBALL AIRPORT...AND MOVING EAST
AT 35 MPH.

WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH THESE STORMS.

STRONG THUNDERSTORMS WILL BE NEAR...
  POTTER AROUND 300 PM MDT.

THIS INCLUDES INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 25 AND
50.

LAT...LON 4149 10295 4129 10304 4110 10313 4111 10363
      4129 10357 4146 10335
TIME...MOT...LOC 2036Z 267DEG 31KT 4143 10332 4130 10350 4113 10358

RUBIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 2:14 PM MDT	Special Weather Statement	CYS	Carbon	46 min
Jul 5, 2:23 PM MDT	Fire Weather Watch	CYS		13 hr
Jul 5, 3:47 PM MDT	Special Weather Statement	CYS	Albany	43 min
Jul 5, 5:41 PM MDT	Special Weather Statement	CYS	Laramie	49 min
Jul 5, 2:58 PM MDT	Special Weather Statement	CYS	Cheyenne	47 min
Jul 5, 4:05 PM MDT	Special Weather Statement	CYS	Banner	40 min
Jul 5, 4:26 PM MDT	Special Weather Statement	CYS	Scotts Bluff	49 min
Jul 5, 4:30 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Morrill, Scotts Bluff, Sioux	60 min
Jul 5, 4:40 PM MDT	Special Weather Statement	CYS	Banner	50 min
Jul 5, 5:05 PM MDT	Special Weather Statement	CYS	Box Butte	40 min
Jul 5, 5:10 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte	50 min
Jul 5, 5:40 PM MDT	Special Weather Statement	CYS	Box Butte	65 min
Jul 5, 5:53 PM MDT	Special Weather Statement	CYS	Kimball	52 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.