Alert archive / Nebraska / Wind Advisories in 2007

Wind Advisory 9, NWS North Platte, NE

March 20, 20075 counties in Nebraska

NWS North Platte, NE issued this wind advisory at Mar 20, 2007, 3:14 AM CDT for 5 counties in Nebraska. It took effect at Mar 20, 2007, 5:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Mar 20, 2007, 3:14 AM CDT (08:14 UTC)
In effect from
Mar 20, 2007, 5:00 AM CDT
Expired
Mar 20, 2007, 3:28 PM CDT
In force
10 hr
Issued by
NWS North Platte, NE

Counties Boyd County, NE, Brown County, NE, Cherry County, NE, Keya Paha County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 79 km from the middle of the area, began a volume at 08:15 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, 8.2 hours before the alert went out and 170 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 2007-03-20Temperature 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 00:00Z on 2007-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1992 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
185 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 200814
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
314 AM CDT TUE MAR 20 2007

.A SURFACE TROF OF LOW PRESSURE WILL APPROACH THE PANHANDLE AND
THE WESTERN DAKOTAS TODAY. EAST OF THIS FEATURE...STRONG SOUTHERLY
WINDS WILL BLOW FROM EARLY THIS MORNING THROUGH THE AFTERNOON
HOURS. WINDS ARE EXPECTED TO DIMINISH AFTER SUNSET TONIGHT. 

NEZ004-005-094-202100-
/O.NEW.KLBF.WI.Y.0009.070320T1000Z-070321T0000Z/
SHERIDAN-EASTERN CHERRY-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...VALENTINE...CODY...
MERRIMAN...KILGORE
314 AM CDT TUE MAR 20 2007 /214 AM MDT TUE MAR 20 2007/

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS
EVENING. 

STRONG SOUTHERLY WINDS WILL INCREASE TO 30 TO 40 MPH...WITH GUSTS
TO 50 MPH THIS MORNING...BEFORE DIMINISHING TO 25 TO 35 MPH...WITH
GUSTS TO 45 MPH LATER THIS AFTERNOON. 

PERSONS DRIVING LIGHT WEIGHT OR HIGH PROFILE VEHICLES...SHOULD
EXERCISE CAUTION ON EAST TO WEST ROUTES AND BE PREPARED FOR STRONG
CROSSWINDS. 

$$

NEZ006>008-202100-
/O.NEW.KLBF.WI.Y.0009.070320T1500Z-070321T0000Z/
KEYA PAHA-BOYD-BROWN-
INCLUDING THE CITIES OF...SPRINGVIEW...SPENCER...AINSWORTH
314 AM CDT TUE MAR 20 2007

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING. 

SOUTHERLY WINDS WILL INCREASE LATE THIS MORNING TO 25 TO 35
MPH...WITH GUSTS TO 45 MPH. WINDS WILL GRADUALLY DIMINISH AFTER
SUNSET. 

PERSONS DRIVING LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD
EXERCISE CAUTION...PARTICULARLY ON EAST TO WEST ROUTES AND BE
PREPARED FOR STRONG CROSSWINDS. 

$$

BUTTLER
1 follow-up statement
000
WWUS73 KLBF 202028
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
328 PM CDT TUE MAR 20 2007


NEZ004>008-094-202130-
/O.CAN.KLBF.WI.Y.0009.000000T0000Z-070321T0000Z/
SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...VALENTINE...
SPRINGVIEW...SPENCER...AINSWORTH...CODY...MERRIMAN...KILGORE
328 PM CDT TUE MAR 20 2007 /228 PM MDT TUE MAR 20 2007/

...WIND ADVISORY IS CANCELLED...

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

WINDS SHOULD REMAIN BELOW 30 MPH THE REST OF THIS AFTERNOON AND
TONIGHT AND WIND GUSTS TO 45 MPH ARE NOT ANTICIPATED.

$$

Nearby

Wind Advisories in Nebraska, 2007Every wind advisory in 2007

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.