Alert archive / Nebraska / Wind Advisories in 2012

Wind Advisory 27, NWS North Platte, NE

May 17, 20126 counties in Nebraska

NWS North Platte, NE issued this wind advisory at May 17, 2012, 2:56 PM CDT for 6 counties in Nebraska. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 17, 2012, 2:56 PM CDT (19:56 UTC)
Expired
May 17, 2012, 9:00 PM CDT
In force
6 hr
Issued by
NWS North Platte, NE

Counties Boyd County, NE, Custer County, NE, Garfield County, NE, Holt County, NE, Loup County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 128 km from the middle of the area, began a volume at 20:00 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, 7.9 hours before the alert went out and 167 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 2012-05-17Temperature 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 2012-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2845 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
108 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.

505 
WWUS73 KLBF 171956
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
256 PM CDT THU MAY 17 2012

...STRONG SOUTHERLY WIND LIKELY LATE THIS AFTERNOON ACROSS NORTH
CENTRAL NEBRASKA...

.A TROUGH OF LOW PRESSURE ACROSS WESTERN NEBRASKA WILL CONTINUE TO
DEEPEN THIS AFTERNOON...WHICH WILL HELP TO GENERATE STRONG
SOUTHERLY WINDS ACROSS NORTH CENTRAL NEBRASKA. ADVISORY LEVEL
WIND SPEEDS WILL DECREASE WITH THE SETTING SUN.

NEZ007-010-027>029-038-180200-
/O.NEW.KLBF.WI.Y.0027.120517T1956Z-120518T0200Z/
BOYD-HOLT-LOUP-GARFIELD-WHEELER-CUSTER-
INCLUDING THE CITIES OF...SPENCER...ONEILL...TAYLOR...BURWELL...
BARTLETT...BROKEN BOW
256 PM CDT THU MAY 17 2012

...WIND ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING. 


* TIMING: STRONG WIND WILL CONTINUE LATE THIS AFTERNOON AND EARLY
  EVENING...THEN GRADUALLY DECREASE AFTER SUNSET.

* WINDS: SUSTAINED WIND OF GREATER THAN 30 MPH...WITH OCCASIONAL
  GUSTS TO 40 MPH

* IMPACTS: LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE
  PREPARED FOR SUDDEN AND STRONG CROSS WIND ALONG EAST WEST
  HIGHWAYS.


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.

&&


$$

JACOBS
1 follow-up statement
875 
WWUS73 KLBF 180200
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
900 PM CDT THU MAY 17 2012

...WIND ADVISORY ALLOWED TO EXPIRE...


NEZ007-010-027>029-038-180300-
/O.EXP.KLBF.WI.Y.0027.000000T0000Z-120518T0200Z/
BOYD-HOLT-LOUP-GARFIELD-WHEELER-CUSTER-
INCLUDING THE CITIES OF...SPENCER...ONEILL...TAYLOR...BURWELL...
BARTLETT...BROKEN BOW
900 PM CDT THU MAY 17 2012

...WIND ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING. 

WINDS OVER NORTH CENTRAL NEBRASKA HAD FALLEN BELOW ADVISORY
CRITERIA AND THE WIND ADVISORY FOR NORTH CENTRAL NEBRASKA WAS
ALLOWED TO EXPIRE.

$$

Nearby

Wind Advisories in Nebraska, 2012Every wind advisory in 2012

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.