Alert archive / Nebraska / Wind Advisories in 2011

Wind Advisory 9, NWS North Platte, NE

March 31, 20119 counties in Nebraska

NWS North Platte, NE issued this wind advisory at Mar 31, 2011, 1:11 AM MDT for 9 counties in Nebraska. It took effect at Apr 1, 2011, 8:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 31, 2011, 1:11 AM MDT (07:11 UTC)
In effect from
Apr 1, 2011, 8:00 AM MDT
Expired
Mar 31, 2011, 1:19 AM MDT
In force
Issued by
NWS North Platte, NE

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

The radar

The North Platte radar (KLNX), 132 km from the middle of the area, began a volume at 07:10 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, 7.2 hours before the alert went out and 78 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 2011-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 129 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, N. Platte/Lee Bi, NE at 00:00Z on 2011-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.1939587897117136Sfc1 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
129 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1188 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

197 
WWUS73 KLBF 310711
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
211 AM CDT THU MAR 31 2011

...STRONG NORTHWEST WINDS EXPECTED TODAY...

.STRONGER NORTHWEST WINDS ALOFT WILL MIX DOWN TO THE SURFACE
TODAY ACROSS THE SOUTHERN NEBRASKA PANHANDLE INTO SOUTHWEST
NEBRASKA.  

NEZ022-035-056>059-069>071-312300-
/O.NEW.KLBF.WI.Y.0009.110401T1400Z-110401T2300Z/
GARDEN-ARTHUR-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...OSHKOSH...ARTHUR...CHAPPELL...
BIG SPRINGS...OGALLALA...GRANT...NORTH PLATTE...IMPERIAL...
HAYES CENTER...CURTIS...EUSTIS
211 AM CDT THU MAR 31 2011 /111 AM MDT THU MAR 31 2011/

...WIND ADVISORY IN EFFECT FROM 9 AM CDT /8 AM MDT/ TO 6 PM CDT
/5 PM MDT/ FRIDAY...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM CDT /8 AM MDT/ TO 6 PM
CDT /5 PM MDT/ FRIDAY. 

* TIMING: NORTHWEST WINDS WILL INCREASE AND BECOME QUITE STRONG BY
  MID MORNING. THE WINDS WILL START TO DIMINISH BY LATE AFTERNOON.

* WINDS: NORTHWEST WINDS SUSTAINED AROUND 30 MPH...WITH GUSTS TO 40
  MPH ARE LIKELY.

* IMPACTS: DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE PREPARED FOR
  SUDDEN CROSS WINDS. LIGHT WEIGHT LOOSE OBJECTS SHOULD BE SECURED
  TO PREVENT THEM FORM BEING BLOWN AWAY.

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.

&&

$$

TAYLOR
1 follow-up statement
095 
WWUS73 KLBF 310719
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
219 AM CDT THU MAR 31 2011


NEZ022-035-056>059-069>071-310830-
/O.CAN.KLBF.WI.Y.0009.110401T1400Z-110401T2300Z/
GARDEN-ARTHUR-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...OSHKOSH...ARTHUR...CHAPPELL...
BIG SPRINGS...OGALLALA...GRANT...NORTH PLATTE...IMPERIAL...
HAYES CENTER...CURTIS...EUSTIS
219 AM CDT THU MAR 31 2011 /119 AM MDT THU MAR 31 2011/

...WIND ADVISORY IS CANCELLED...

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

.THE WIND ADVISORY ISSUED FOR FRIDAY APRIL 1 WAS NOT CORRECT. A
NEW WIND ADVISORY PRODUCT FOR TODAY WILL BE ISSUED SHORTLY. 

$$

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 1:26 AM MDTWind AdvisoryLBFArthur, Chase, Deuel, Frontier, Garden, Hayes and 3 more13 hr

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.