Alert archive / Nebraska / Wind Advisories in 2013

Wind Advisory 2, NWS Cheyenne, WY

February 18, 2013Box Butte County, Cheyenne County, Morrill County, Nebraska

NWS Cheyenne, WY issued this wind advisory at Feb 18, 2013, 3:01 AM MST for Box Butte County, Cheyenne County, Morrill County, Nebraska. It took effect at Feb 18, 2013, 8:00 AM MST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 18, 2013, 3:01 AM MST (10:01 UTC)
In effect from
Feb 18, 2013, 8:00 AM MST
Expired
Feb 18, 2013, 2:00 PM MST
In force
6 hr
Issued by
NWS Cheyenne, WY

Counties Box Butte County, NE, Cheyenne County, NE, Morrill County, NE

The radar

The Cheyenne radar (KCYS), 161 km from the middle of the area, began a volume at 09:59 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 00:00Z, 10.0 hours before the alert went out and 206 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, Denver, CO at 00:00Z on 2013-02-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2013-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4057 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
57 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.

960 
WWUS75 KCYS 181001
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
301 AM MST MON FEB 18 2013

...WIND ADVISORY IN EFFECT FOR PORTIONS OF THE PANHANDLE TODAY...

.BRISK NORTH TO NORTHWEST WINDS WILL BLOW ACROSS PORTIONS OF THE
PANHANDLE THIS MORNING INTO EARLY AFTERNOON. THE GUSTY WINDS WILL
BE THE RESULT OF A TIGHT PRESSURE GRADIENT IN THE WAKE OF A COLD
FRONT THAT MOVED THROUGH THE PANHANDLE ON SUNDAY NIGHT.

NEZ003-021-055-182100-
/O.NEW.KCYS.WI.Y.0002.130218T1500Z-130218T2100Z/
BOX BUTTE-MORRILL-CHEYENNE-
INCLUDING THE CITIES OF...ALLIANCE...BRIDGEPORT...BAYARD...SIDNEY
301 AM MST MON FEB 18 2013

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 PM MST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 2 PM MST
THIS AFTERNOON. 

* TIMING...8 AM TO 2 PM.

* WINDS...SUSTAINED NORTH TO NORTHWEST WINDS OVER 30 MPH ARE EXPECTED. 

* IMPACTS...PERSONS DRIVING HIGH PROFILE VEHICLES NEED TO BE
  PREPARED FOR SUDDEN GUSTS OF WINDS.

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.

&&

$$
GRIFFITH
1 follow-up statement
791 
WWUS75 KCYS 182036
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
136 PM MST MON FEB 18 2013


.GUSTY WINDS WILL CONTINUE TO DIMINISH THIS AFTERNOON AND EVENING AS
HIGH PRESSURE BUILDS INTO THE AREA.

NEZ003-021-055-182145-
/O.EXP.KCYS.WI.Y.0002.000000T0000Z-130218T2100Z/
BOX BUTTE-MORRILL-CHEYENNE-
INCLUDING THE CITIES OF...ALLIANCE...BRIDGEPORT...BAYARD...SIDNEY
136 PM MST MON FEB 18 2013

...WIND ADVISORY WILL EXPIRE AT 2 PM MST THIS AFTERNOON...

THE WIND ADVISORY WILL EXPIRE AT 2 PM MST THIS AFTERNOON.
 
GUSTY WINDS WILL CONTINUE TO DIMINISH THIS AFTERNOON AS HIGH
PRESSURE BUILDS INTO THE AREA. WINDS WILL BECOME LIGHT THIS
EVENING. 

$$

LIEBL

Nearby

Wind Advisories in Nebraska, 2013Every wind advisory 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.