Alert archive / Nebraska / Wind Advisories in 2011

Wind Advisory 2, NWS North Platte, NE

February 6, 20117 counties in Nebraska

NWS North Platte, NE issued this wind advisory at Feb 6, 2011, 8:06 AM MST for 7 counties in Nebraska. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Feb 6, 2011, 8:06 AM MST (15:06 UTC)
Expired
Feb 6, 2011, 3:01 PM MST
In force
7 hr
Issued by
NWS North Platte, NE

Counties Arthur County, NE, Chase County, NE, Deuel County, NE, Garden County, NE, Hayes County, NE, Keith County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 142 km from the middle of the area, began a volume at 15:07 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 12:00Z, 3.1 hours before the alert went out and 99 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 12:00Z on 2011-02-06Temperature 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 12:00Z on 2011-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -134 square meters per square second.193958Sfc1 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
825 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-134 m²/s²
0-3 km storm-relative helicity
-66 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.

956 
WWUS73 KLBF 061506
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
906 AM CST SUN FEB 6 2011

...STRONG NORTHWEST WINDS TODAY ACROSS PARTS OF WESTERN AND SOUTHWEST
NEBRASKA...

.COLD AIR ALOFT WILL MIX DOWN TODAY PRODUCING STRONG NORTHWEST
WINDS. WINDS SHOULD SUBSIDE EARLY THIS EVENING.

NEZ022-035-056>058-069-070-070000-
/O.NEW.KLBF.WI.Y.0002.110206T1506Z-110207T0000Z/
GARDEN-ARTHUR-DEUEL-KEITH-PERKINS-CHASE-HAYES-
INCLUDING THE CITIES OF...OSHKOSH...ARTHUR...CHAPPELL...
BIG SPRINGS...OGALLALA...GRANT...IMPERIAL...HAYES CENTER
906 AM CST SUN FEB 6 2011 /806 AM MST SUN FEB 6 2011/

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST /5 PM MST/ THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST /5 PM MST/ THIS
EVENING. 

* TIMING: NORTHWEST WINDS WILL INCREASE THIS MORNING...REMAIN
  STRONG THROUGHOUT THE AFTERNOON AND THEN DECREASE EARLY THIS
  EVENING.

* WINDS: NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 45 MPH CAN BE
  EXPECTED TODAY.

* IMPACTS: DRIVING HIGH PROFILE VEHICLES ON EAST WEST ROUTES WILL
  BE DIFFICULT. WIND SENSITIVE OUTDOOR ACTIVITIES SHOULD BE
  CURTAILED.

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.

&&

$$
1 follow-up statement
189 
WWUS73 KLBF 062201 AAA
NPWLBF

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
401 PM CST SUN FEB 6 2011

NEZ022-035-056>058-069-070-062315-
/O.CAN.KLBF.WI.Y.0002.000000T0000Z-110207T0000Z/
GARDEN-ARTHUR-DEUEL-KEITH-PERKINS-CHASE-HAYES-
INCLUDING THE CITIES OF...OSHKOSH...ARTHUR...CHAPPELL...
BIG SPRINGS...OGALLALA...GRANT...IMPERIAL...HAYES CENTER
401 PM CST SUN FEB 6 2011 /301 PM MST SUN FEB 6 2011/

...WIND ADVISORY IS CANCELLED...

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

SUSTAINED WINDS HAVE SUBSIDED BELOW 30 MPH AND WILL CONTINUE TO
DECREASE THIS EVENING.

$$

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.