Alert archive / Nebraska / Freeze Warnings in 2011

Freeze Warning 2, NWS North Platte, NE

October 18, 201120 counties in Nebraska

NWS North Platte, NE issued this freeze warning at Oct 18, 2011, 3:09 PM CDT for 20 counties in Nebraska. It took effect at Oct 19, 2011, 1:00 AM CDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 18, 2011, 3:09 PM CDT (20:09 UTC)
In effect from
Oct 19, 2011, 1:00 AM CDT
Expired
Oct 19, 2011, 10:00 AM CDT
In force
9 hr
Issued by
NWS North Platte, NE

Counties Blaine County, NE, Boyd County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Frontier County, NE, Garfield County, NE, Hayes County, NE, Holt County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Thomas County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 42 km from the middle of the area, began a volume at 20:11 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, 8.2 hours before the alert went out and 74 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 2011-10-18Temperature 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 2011-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
1420 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-23 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.

162 
WWUS73 KLBF 182009
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
309 PM CDT TUE OCT 18 2011

...A KILLING FREEZE EXPECTED ACROSS WESTERN AND NORTH CENTRAL
NEBRASKA TONIGHT AND EARLY WEDNESDAY...

.FREEZING TEMPERATURES IN THE MID AND UPPER 20S ARE EXPECTED LATE
TONIGHT AND EARLY WEDNESDAY OVER WESTERN AND NORTH CENTRAL
NEBRASKA. AFTER FREEZING TEMPERATURES EXPECTED TONIGHT...THE
GROWING SEASON WILL HAVE OFFICIALLY ENDED.

NEZ004-022>024-035-056-094-182115-
/O.CAN.KLBF.FZ.A.0001.111019T0600Z-111019T1500Z/
SHERIDAN-GARDEN-GRANT-HOOKER-ARTHUR-DEUEL-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...OSHKOSH...
HYANNIS...MULLEN...ARTHUR...CHAPPELL...BIG SPRINGS...CODY...
MERRIMAN...KILGORE
209 PM MDT TUE OCT 18 2011

...FREEZE WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE
FREEZE WATCH. 

FREEZING TEMPERATURES OCCURRED LAST NIGHT ACROSS THE WESTERN
SANDHILLS AND EASTERN PANHANDLE. THEREFORE...A FREEZE WARNING IS
NO LONGER NEEDED FOR THE SEASON.

$$

NEZ005>010-025>029-036>038-057>059-069>071-190900-
/O.UPG.KLBF.FZ.A.0001.111019T0600Z-111019T1500Z/
/O.NEW.KLBF.FZ.W.0002.111019T0600Z-111019T1500Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-THOMAS-BLAINE-LOUP-
GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-KEITH-PERKINS-LINCOLN-
CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...THEDFORD...DUNNING...TAYLOR...
BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...OGALLALA...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
309 PM CDT TUE OCT 18 2011 /209 PM MDT TUE OCT 18 2011/

...FREEZE WARNING IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO 10 AM
CDT /9 AM MDT/ WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO
10 AM CDT /9 AM MDT/ WEDNESDAY. THE FREEZE WATCH IS NO LONGER IN
EFFECT. 

* TIMING: TEMPERATURES ARE EXPECTED TO FALL INTO THE MID AND UPPER
  20S LATE TONIGHT INTO WEDNESDAY MORNING.

* IMPACTS: SUB-FREEZING TEMPERATURES WILL KILL MOST PLANTS AND 
  COULD CAUSE DAMAGE TO HOSES ATTACHED TO FAUCETS CONNECTED TO 
  THE HOUSE...AND ABOVE GROUND SECTIONS OF LAWN IRRIGATION 
  SYSTEMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

KAR
3 follow-up statements
673 
WWUS73 KLBF 190247
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
947 PM CDT TUE OCT 18 2011

...TEMPERATURES TO DROP BELOW FREEZING TONIGHT...

.FREEZING TEMPERATURES IN THE MID 20S TO AROUND 30 DEGREES WILL
OCCUR EARLY WEDNESDAY MORNING OVER WESTERN AND NORTH CENTRAL
NEBRASKA. AFTER FREEZING TEMPERATURES EXPECTED TONIGHT...THE
GROWING SEASON WILL HAVE OFFICIALLY ENDED.

NEZ005>010-025>029-036>038-057>059-069>071-191100-
/O.CON.KLBF.FZ.W.0002.111019T0600Z-111019T1500Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-THOMAS-BLAINE-LOUP-
GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-KEITH-PERKINS-LINCOLN-
CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...THEDFORD...DUNNING...TAYLOR...
BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...OGALLALA...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
947 PM CDT TUE OCT 18 2011 /847 PM MDT TUE OCT 18 2011/

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/
TO 10 AM CDT /9 AM MDT/ WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/
TO 10 AM CDT /9 AM MDT/ WEDNESDAY. 

* TIMING: TEMPERATURES WILL FALL INTO THE MID AND UPPER 20S EARLY
  WEDNESDAY MORNING.

* IMPACTS: SUB-FREEZING TEMPERATURES WILL KILL MOST PLANTS AND 
  COULD CAUSE DAMAGE TO HOSES ATTACHED TO FAUCETS CONNECTED TO 
  THE HOUSE...AND ABOVE GROUND SECTIONS OF LAWN IRRIGATION 
  SYSTEMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

BROOKS
252 
WWUS73 KLBF 191014
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
514 AM CDT WED OCT 19 2011

...TEMPERATURES TO DROP BELOW FREEZING TONIGHT...

.AFTER WIDESPREAD FREEZING TEMPERATURES THIS MORNING...THE GROWING
SEASON WILL BE ENDED. TEMPERATURES TONIGHT WILL AGAIN FALL TO WELL
BELOW FREEZING TONIGHT. 

NEZ005>010-025>029-036>038-057>059-069>071-191500-
/O.CON.KLBF.FZ.W.0002.000000T0000Z-111019T1500Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-THOMAS-BLAINE-LOUP-
GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-KEITH-PERKINS-LINCOLN-
CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...THEDFORD...DUNNING...TAYLOR...
BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...OGALLALA...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
514 AM CDT WED OCT 19 2011 /414 AM MDT WED OCT 19 2011/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/
THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/
THIS MORNING. 

* TIMING: TEMPERATURES WILL RISE INTO THE MIDDLE 30S BY 10 AM MDT
  AND CDT.

* IMPACTS: SUB-FREEZING TEMPERATURES WILL KILL MOST PLANTS AND
  COULD CAUSE DAMAGE TO HOSES ATTACHED TO FAUCETS CONNECTED TO THE
  HOUSE...AND ABOVE GROUND SECTIONS OF LAWN IRRIGATION SYSTEMS.
  EVEN COLDER TEMPERATURES CAN BE EXPECTED TONIGHT...AND SOME OF
  THE COLDEST TEMPERATURES THIS SEASON SO FAR ARE LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$
SPRINGER
374 
WWUS73 KLBF 191507
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1007 AM CDT WED OCT 19 2011

...FREEZING TEMPERATURES TO OCCUR AGAIN TONIGHT...

.FREEZING TEMPERATURES OCCURRED ACROSS MUCH OF AREA THIS MORNING 
WITH THE GROWING SEASON ENDED. RESIDENTS OF WESTERN AND NORTH
CENTRAL NEBRASKA SHOULD BE AWARE HOWEVER THAT A HARD FREEZE WILL
OCCUR TONIGHT AS LOWS FALL TO THE UPPER TEENS TO MID 20S.

NEZ005>010-025>029-036>038-057>059-069>071-191615-
/O.EXP.KLBF.FZ.W.0002.000000T0000Z-111019T1500Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-THOMAS-BLAINE-LOUP-
GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-KEITH-PERKINS-LINCOLN-
CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...THEDFORD...DUNNING...TAYLOR...
BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...OGALLALA...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
1007 AM CDT WED OCT 19 2011 /907 AM MDT WED OCT 19 2011/

...FREEZE WARNING WILL EXPIRE AT 10 AM CDT /9 AM MDT/ THIS
MORNING...

THE FREEZE WARNING WILL EXPIRE AT 10 AM CDT /9 AM MDT/ THIS
MORNING. 

* TIMING: TEMPERATURES THIS MORNING HAVE RISEN TO THE MID 30S AND
  LOWER 40S.

* IMPACTS: ALTHOUGH THE GROWING SEASON HAS ENDED...A KILLING
  FREEZE CAN BE EXPECTED AGAIN TONIGHT...WITH THE COLDEST
  TEMPERATURES THIS SEASON LIKELY.

$$

KAR

Nearby

Freeze Warnings in Nebraska, 2011Every freeze warning in 2011

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.