Alert archive / Nebraska / Wind Advisories in 2009

Wind Advisory 9, NWS North Platte, NE

March 23, 20097 counties in Nebraska

NWS North Platte, NE issued this wind advisory at Mar 23, 2009, 2:30 AM MDT for 7 counties in Nebraska. It took effect at Mar 23, 2009, 12:00 PM MDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Mar 23, 2009, 2:30 AM MDT (08:30 UTC)
In effect from
Mar 23, 2009, 12:00 PM MDT
Expired
Mar 23, 2009, 11:00 PM MDT
In force
11 hr
Issued by
NWS North Platte, NE

Counties Chase County, NE, Custer County, NE, Frontier County, NE, Hayes County, NE, Lincoln County, NE, Loup County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 08:31 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, 8.5 hours before the alert went out and 19 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 2009-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 249 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 2009-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
249 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
1581 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WWUS73 KLBF 230830
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
330 AM CDT MON MAR 23 2009

...STRONG NORTHWEST WINDS THIS AFTERNOON AND EVENING...

.A STRONG COLD FRONT WILL BRING NORTHWEST WINDS OF 30 TO 40 MPH TO
PORTIONS OF SOUTHWEST INTO CENTRAL NEBRASKA. WINDS WILL GUST TO
AROUND 50 MPH AT TIMES.

NEZ027-038-058-059-069>071-232100-
/O.NEW.KLBF.WI.Y.0009.090323T1800Z-090324T0500Z/
LOUP-CUSTER-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...TAYLOR...BROKEN BOW...GRANT...
NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
330 AM CDT MON MAR 23 2009 /230 AM MDT MON MAR 23 2009/

...WIND ADVISORY IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO MIDNIGHT CDT /11 PM MDT/ TONIGHT...

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 MIDNIGHT CDT /11 PM MDT/ TONIGHT. 

A STRONG COLD FRONT WILL BRING NORTHWEST WINDS OF 30 TO 40 MPH TO
PORTIONS OF SOUTHWEST INTO CENTRAL NEBRASKA. WINDS WILL GUST TO
AROUND 50 MPH AT TIMES.

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.

&&

$$

KAR
2 follow-up statements
000 
WWUS73 KLBF 232116
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
416 PM CDT MON MAR 23 2009

...STRONG NORTHWEST WINDS THIS AFTERNOON AND EVENING...

.A STRONG COLD FRONT WILL BRING NORTHWEST WINDS OF 30 TO 40 MPH
TO PORTIONS OF SOUTHWEST INTO CENTRAL NEBRASKA. WINDS WILL GUST
TO AROUND 50 MPH AT TIMES.

NEZ027-038-058-059-069>071-240500-
/O.CON.KLBF.WI.Y.0009.000000T0000Z-090324T0500Z/
LOUP-CUSTER-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...TAYLOR...BROKEN BOW...GRANT...
NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
416 PM CDT MON MAR 23 2009 /316 PM MDT MON MAR 23 2009/

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT /11 PM MDT/
TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT /11 PM MDT/
TONIGHT. 

A STRONG COLD FRONT WILL BRING NORTHWEST WINDS OF 30 TO 40 MPH TO
PORTIONS OF SOUTHWEST INTO CENTRAL NEBRASKA. WINDS WILL GUST TO
AROUND 50 MPH AT TIMES.

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.

&&

$$
POWER
000 
WWUS73 KLBF 240451
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1151 PM CDT MON MAR 23 2009


NEZ027-038-058-059-069>071-240600-
/O.EXP.KLBF.WI.Y.0009.000000T0000Z-090324T0500Z/
LOUP-CUSTER-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...TAYLOR...BROKEN BOW...GRANT...
NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
1151 PM CDT MON MAR 23 2009 /1051 PM MDT MON MAR 23 2009/

...WIND ADVISORY WILL EXPIRE AT MIDNIGHT CDT /11 PM MDT/
TONIGHT...

THE WIND ADVISORY WILL EXPIRE AT MIDNIGHT CDT /11 PM MDT/
TONIGHT. 

WIND HAS DECREASED TO LESS THAN 30 MPH OVER CENTRAL AND SOUTHWEST
NEBRASKA. 

$$
SPRINGER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 12:37 PM MDTSevere Thunderstorm WarningLBFCherry38 min
Mar 23, 12:53 PM MDTTornado WarningLBFCherry39 min
Mar 23, 1:02 PM MDTSevere Thunderstorm WarningLBFHolt43 min
Mar 23, 1:21 PM MDTSevere Thunderstorm WarningLBFCherry39 min
Mar 23, 2:03 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt57 min
Mar 23, 2:21 PM MDTSevere Thunderstorm WarningLBFBrown, Keya Paha, Rock39 min
Mar 23, 2:26 PM MDTTornado WarningLBFBoyd, Holt34 min
Mar 23, 2:58 PM MDTSevere Thunderstorm WarningLBFBoyd17 min

Nearby

Wind Advisories in Nebraska, 2009Every wind advisory in 2009

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.