Alert archive / Nebraska / Wind Advisories in 2008

Wind Advisory 13, NWS North Platte, NE

May 21, 200814 counties in Nebraska

NWS North Platte, NE issued this wind advisory at May 21, 2008, 2:49 AM MDT for 14 counties in Nebraska. It took effect at May 21, 2008, 12:00 PM MDT. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: May 21, 2008, 2:49 AM MDT (08:49 UTC)
In effect from: May 21, 2008, 12:00 PM MDT
Expired: May 21, 2008, 2:27 PM MDT
In force: 2 hr
Issued by: NWS North Platte, NE

Counties Arthur County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, McPherson County, NE, Perkins County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 100 km from the middle of the area, began a volume at 08:47 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, 8.8 hours before the alert went out and 81 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2515 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 286 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.

000 
WWUS73 KLBF 210849
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
349 AM CDT WED MAY 21 2008



.LOW PRESSURE WILL DEEPEN SIGNIFICANTLY ACROSS EASTERN COLORADO
THIS AFTERNOON. AS A RESULT STRONG SOUTHEAST WINDS ARE EXPECTED
TO DEVELOP ACROSS WESTERN NEBRASKA...WITH WIND GUSTS UP TO 45 MPH
POSSIBLE DURING THE AFTERNOON HOURS. 

NEZ004-022>024-035-036-056>059-069>071-094-212145-
/O.NEW.KLBF.WI.Y.0013.080521T1800Z-080522T0300Z/
SHERIDAN-GARDEN-GRANT-HOOKER-ARTHUR-MCPHERSON-DEUEL-KEITH-PERKINS-
LINCOLN-CHASE-HAYES-FRONTIER-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...OSHKOSH...
HYANNIS...MULLEN...ARTHUR...TRYON...CHAPPELL...BIG SPRINGS...
OGALLALA...GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...
CURTIS...EUSTIS...CODY...MERRIMAN...KILGORE
349 AM CDT WED MAY 21 2008 /249 AM MDT WED MAY 21 2008/

...WIND ADVISORY IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 10 PM CDT /9 PM MDT/ THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 10 PM CDT /9 PM MDT/ THIS EVENING. 

LOW PRESSURE DEEPENING ACROSS EASTERN COLORADO THIS AFTERNOON WILL
ALLOW SOUTHEAST WINDS TO INCREASE TO 25 TO 35 MPH AS THE GRADIENT
TIGHTENS ACROSS WESTERN NEBRASKA. WIND GUSTS UP TO 45 MAY BE
POSSIBLE MAINLY ACROSS AREAS WEST OF HIGHWAY 83 DURING THE MID
AFTERNOON AND EARLY EVENING HOURS. 

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

000 
WWUS73 KLBF 212027
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
327 PM CDT WED MAY 21 2008


NEZ004-022>024-035-036-056>059-069>071-094-212130-
/O.CAN.KLBF.WI.Y.0013.000000T0000Z-080522T0300Z/
SHERIDAN-GARDEN-GRANT-HOOKER-ARTHUR-MCPHERSON-DEUEL-KEITH-PERKINS-
LINCOLN-CHASE-HAYES-FRONTIER-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...OSHKOSH...
HYANNIS...MULLEN...ARTHUR...TRYON...CHAPPELL...BIG SPRINGS...
OGALLALA...GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...
CURTIS...EUSTIS...CODY...MERRIMAN...KILGORE
327 PM CDT WED MAY 21 2008 /227 PM MDT WED MAY 21 2008/

...WIND ADVISORY IS CANCELLED...

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

WINDY CONDITIONS ARE EXPECTED THROUGH SUNSET WITH SOUTHEASTERLY
WINDS OF 20 TO 30 MPH...WITH GUSTS TO 35 MPH. SOME PERIODIC GUSTS
TO 40 MPH ARE POSSIBLE THROUGH SUNSET. WINDS WILL DECREASE SOME
AFTER DARK...BUT THEN INCREASE TOWARD DAWN. 

$$

CLB

Nearby

Wind Advisories in Nebraska, 2008 Every 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.