Alert archive / Nebraska / Wind Advisories in 2008

Wind Advisory 21, NWS North Platte, NE

October 12, 20089 counties in Nebraska

NWS North Platte, NE issued this wind advisory at Oct 12, 2008, 3:35 AM CDT for 9 counties in Nebraska. It took effect at Oct 12, 2008, 6:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Oct 12, 2008, 3:35 AM CDT (08:35 UTC)
In effect from
Oct 12, 2008, 6:00 AM CDT
Expired
Oct 12, 2008, 11:20 AM CDT
In force
5 hr
Issued by
NWS North Platte, NE

Counties Boyd County, NE, Custer County, NE, Frontier County, NE, Garfield County, NE, Holt County, NE, Lincoln County, NE, Loup County, NE, Rock County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 96 km from the middle of the area, began a volume at 08:35 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, 8.6 hours before the alert went out and 125 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 2008-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 2008-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 388 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
494 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
388 m²/s²
0-3 km storm-relative helicity
457 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WWUS73 KLBF 120835
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
335 AM CDT SUN OCT 12 2008

...WINDY CONDITIONS WILL DEVELOP ACROSS PORTIONS OF WESTERN AND
NORTH CENTRAL NEBRASKA TODAY...

.A STRENGTHENING LOW PRESSURE SYSTEM WILL INCREASE SOUTHERLY WINDS
EAST OF A LINE FROM NORTH PLATTE TO BASSETT THROUGH MID AFTERNOON. AS THE
SYSTEM CONTINUES TO DEVELOP...A COLD FRONT IS EXPECTED MOVE EAST
AND WILL SWITCH WINDS TO THE NORTHWEST AND THEY SHOULD BEGIN TO DECREASE
SOME AS WELL BY LATE AFTERNOON.

NEZ007-009-010-027>029-038-059-071-121645-
/O.NEW.KLBF.WI.Y.0021.081012T1100Z-081012T2100Z/
BOYD-ROCK-HOLT-LOUP-GARFIELD-WHEELER-CUSTER-LINCOLN-FRONTIER-
INCLUDING THE CITIES OF...SPENCER...BASSETT...ONEILL...TAYLOR...
BURWELL...BARTLETT...BROKEN BOW...NORTH PLATTE...CURTIS...EUSTIS
335 AM CDT SUN OCT 12 2008

...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. 

STRONG SOUTHERLY WINDS WILL DEVELOP AHEAD OF AN ADVANCING COLD
FRONT INTO THE AFTERNOON HOURS. SUSTAINED WINDS OF 25 TO 35 MPH
WILL BE COMMON...WITH GUSTS TO 45 MPH POSSIBLE.

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.

$$

JWS
1 follow-up statement
000 
WWUS73 KLBF 121620
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1120 AM CDT SUN OCT 12 2008

...WIND ADVISORY IS CANCELLED...


NEZ007-009-010-027>029-038-059-071-121730-
/O.CAN.KLBF.WI.Y.0021.000000T0000Z-081012T2100Z/
BOYD-ROCK-HOLT-LOUP-GARFIELD-WHEELER-CUSTER-LINCOLN-FRONTIER-
INCLUDING THE CITIES OF...SPENCER...BASSETT...ONEILL...TAYLOR...
BURWELL...BARTLETT...BROKEN BOW...NORTH PLATTE...CURTIS...EUSTIS
1120 AM CDT SUN OCT 12 2008

...WIND ADVISORY IS CANCELLED...

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

BREEZY CONDITIONS WILL CONTINUE THROUGH THE AFTERNOON AS A COLD
FRONT ADVANCES EAST ACROSS THE REGION. HOWEVER...WIND GUSTS ARE
NOT EXPECTED TO EXCEED 30 TO 35 MPH...AND WILL NOT MEET WIND
ADVISORY CRITERIA. THIS HAS PROMPTED THE CANCELLATION OF THE
ADVISORY THAT WAS IN EFFECT UNTIL 400 PM CDT.

$$

GARNER

Nearby

Wind Advisories in Nebraska, 2008Every wind advisory in 2008

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.