Alert archive / Nebraska / Wind Advisories in 2011

Wind Advisory 31, NWS North Platte, NE

December 29, 2011Deuel County, Garden County, Nebraska

NWS North Platte, NE issued this wind advisory at Dec 29, 2011, 2:27 AM MST for Deuel County, Garden County, Nebraska. It took effect at Dec 29, 2011, 8:00 AM MST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Dec 29, 2011, 2:27 AM MST (09:27 UTC)
In effect from
Dec 29, 2011, 8:00 AM MST
Expired
Dec 29, 2011, 7:07 PM MST
In force
11 hr
Issued by
NWS North Platte, NE

Counties Deuel County, NE, Garden County, NE

The radar

The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 09:25 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, 9.5 hours before the alert went out and 147 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, N. Platte/Lee Bi, NE at 00:00Z on 2011-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, N. Platte/Lee Bi, NE at 00:00Z on 2011-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.1939587897117Sfc1 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
2705 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
194 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.

434 
WWUS73 KLBF 290927
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
327 AM CST THU DEC 29 2011

...STRONG WIND EXPECTED IN PART OF SOUTHWEST NEBRASKA THIS
AFTERNOON AND EVENING...

.A FRONT PUNCHING THROUGH NEBRASKA THIS AFTERNOON AND EARLY
EVENING WILL BRING WINDY CONDITIONS.

NEZ022-056-292000-
/O.NEW.KLBF.WI.Y.0031.111229T1500Z-111230T0600Z/
GARDEN-DEUEL-
INCLUDING THE CITIES OF...OSHKOSH...CHAPPELL...BIG SPRINGS
227 AM MST THU DEC 29 2011

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 11 PM MST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM MST
THIS EVENING. 

* TIMING: WEST TO NORTHWEST WIND WILL INCREASE TO AROUND 30 MPH BY
  1 PM MST AND DECREASE SLOWLY AFTER 6 PM MST. 

* WINDS: WEST TO NORTHWEST 25 TO 35 MPH ARE EXPECTED THIS
  AFTERNOON AND EVENING WITH GUSTS OVER 40 MPH.

* IMPACTS: HIGH PROFILE VEHICLES SUCH AS BUSES AND MOTOR HOMES MAY
  EXPERIENCE CONTROL PROBLEMS ON OPEN ROADS. LIGHT OBJECTS MAY
  BLOW AROUND IF LEFT UNSECURED OUTDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
BROOKS/SPRINGER
1 follow-up statement
555 
WWUS73 KLBF 300207 AAA
NPWLBF

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
807 PM CST THU DEC 29 2011

NEZ022-056-300315-
/O.CAN.KLBF.WI.Y.0031.000000T0000Z-111230T0600Z/
GARDEN-DEUEL-
INCLUDING THE CITIES OF...OSHKOSH...CHAPPELL...BIG SPRINGS
707 PM MST THU DEC 29 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE
WIND ADVISORY. 

WIND SPEEDS HAVE DECREASED TO LESS THAN 30 MPH ACROSS THE ADVISORY
AREA AND SHOULD REMAIN BELOW 30 MPH OVERNIGHT.

$$

Nearby

Wind Advisories in Nebraska, 2011Every wind advisory in 2011

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.