Alert archive / Nebraska / Wind Advisories in 2016

Wind Advisory 12, NWS Cheyenne, WY

September 1, 2016Box Butte County, Dawes County, Sioux County, Nebraska

NWS Cheyenne, WY issued this wind advisory at Sep 1, 2016, 1:55 AM MDT for Box Butte County, Dawes County, Sioux County, Nebraska. It took effect at Sep 1, 2016, 3:00 PM MDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 1, 2016, 1:55 AM MDT (07:55 UTC)
In effect from
Sep 1, 2016, 3:00 PM MDT
Expired
Sep 1, 2016, 8:30 PM MDT
In force
6 hr
Issued by
NWS Cheyenne, WY

Counties Box Butte County, NE, Dawes County, NE, Sioux County, NE

The radar

The Rapid City radar (KUDX), 188 km from the middle of the area, began a volume at 07:56 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

Rapid City, SD (KRAP), launched 00:00Z, 7.9 hours before the alert went out and 181 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-pSkew-T log-p diagram, Rapid City, SD at 00:00Z on 2016-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2016-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2174 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

574 
WWUS75 KCYS 010755
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
155 AM MDT THU SEP 1 2016

...WIND ADVISORY IN EFFECT FOR THE NORTHERN NEBRASKA PANHANDLE
THIS AFTERNOON THROUGH EVENING...

.SOUTHERLY WINDS WILL BE ON THE INCREASE TODAY AS LOW PRESSURE TO
OUR NORTHWEST CONTINUES TO STRENGTHEN AND MOVE EAST. BEST AREA FOR
STRONGEST WINDS APPEARS TO BE THE NORTHERN NEBRASKA PANHANDLE
WHERE THE PRESSURE GRADIENT WILL BE STRONGEST. THESE STRONG WINDS
COULD PERSIST INTO THE LATE EVENING AND POSSIBLY INTO FRIDAY.

NEZ002-003-095-096-020000-
/O.NEW.KCYS.WI.Y.0012.160901T2100Z-160902T0600Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...CHADRON ST PARK...ALLIANCE...
HARRISON...AGATE
155 AM MDT THU SEP 1 2016

...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT
MDT TONIGHT...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT MDT TONIGHT. 

* TIMING...FROM 3 PM THIS AFTERNOON THROUGH MIDNIGHT

* WINDS...SOUTH AT 25 TO 35 MPH SUSTAINED WITH GUSTS TO 45 MPH
  LIKELY

* IMPACTS...MAINLY TO TRAVEL. LIGHT WEIGHT AND HIGH PROFILE
  VEHICLES ON EAST TO WEST ORIENTED ROADWAYS COULD FACE INCREASED
  RISKS OF BLOW OFFS AND BLOW OVERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
2 follow-up statements
640 
WWUS75 KCYS 011948
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
148 PM MDT THU SEP 1 2016

NEZ002-003-095-096-020600-
/O.CON.KCYS.WI.Y.0012.160901T2100Z-160902T0600Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...CHADRON ST PARK...ALLIANCE...
HARRISON...AGATE
148 PM MDT THU SEP 1 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

* TIMING...THROUGH MIDNIGHT TONIGHT.

* WINDS...SOUTH WINDS SUSTAINED AT 25 TO 35 MPH WITH GUSTS TO 40
  MPH.

* IMPACTS...MAINLY TRAVEL DIFFICULTIES. LIGHT WEIGHT AND HIGH
  PROFILE VEHICLES ON EAST TO WEST ORIENTED ROADWAYS COULD FACE
  INCREASING TRAVEL DIFFICULTIES THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
034 
WWUS75 KCYS 020230
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
830 PM MDT THU SEP 1 2016

...WIND ADVISORY IS CANCELLED FOR THE NORTHERN NEBRASKA PANHANDLE...

NEZ002-003-095-096-020330-
/O.CAN.KCYS.WI.Y.0012.000000T0000Z-160902T0600Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...CHADRON ST PARK...ALLIANCE...
HARRISON...AGATE
830 PM MDT THU SEP 1 2016

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
ADVISORY FOR THE NORTHERN NEBRASKA PANHANDLE.

SOUTH WINDS HAVE DIMINISHED TO SUSTAINED 20 TO 25 MPH WITH GUSTS
TO 30 MPH. THIS TREND WILL CONTINUE THROUGH REMAINDER OF THE
EVENING.

$$

Nearby

Wind Advisories in Nebraska, 2016Every wind advisory 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.