Alert archive / Missouri / Freeze Warnings in 2012

Freeze Warning 2, NWS Springfield, MO

October 7, 201215 counties in Missouri

NWS Springfield, MO issued this freeze warning at Oct 7, 2012, 3:11 PM CDT for 15 counties in Missouri. It took effect at Oct 8, 2012, 4:00 AM CDT. It was in force for 5 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 7, 2012, 3:11 PM CDT (20:11 UTC)
In effect from
Oct 8, 2012, 4:00 AM CDT
Expired
Oct 8, 2012, 9:00 AM CDT
In force
5 hr
Issued by
NWS Springfield, MO

Counties Christian County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Laclede County, MO, Ozark County, MO, Phelps County, MO, Pulaski County, MO, Shannon County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 87 km from the middle of the area, began a volume at 20:10 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

Springfield, MO (KSGF), launched 12:00Z, 8.2 hours before the alert went out and 129 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, Springfield, MO at 12:00Z on 2012-10-07Temperature 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, Springfield, MO at 12:00Z on 2012-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -143 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1147 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
-143 m²/s²
0-3 km storm-relative helicity
-107 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.

370 
WWUS73 KSGF 072011
NPWSGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPRINGFIELD MO
311 PM CDT SUN OCT 7 2012

...FROST AND FREEZE FOR MUCH OF THE REGION TONIGHT...

CANADIAN HIGH PRESSURE WILL REMAIN IN CONTROL AT THE SURFACE...AND
THE COLD AIRMASS ASSOCIATED WITH THIS HIGH...ALONG WITH CLEAR
SKIES AND LIGHT WINDS WILL RESULT IN WIDESPREAD FROST ACROSS THE
MISSOURI OZARKS TONIGHT. A KILLING FREEZE IS LIKELY FOR MOST
LOCATIONS ALONG AND EAST OF U.S. 65 AND ALONG AND SOUTH OF
INTERSTATE 44.

MOZ070-071-080>083-090>092-095>098-104-105-081200-
/O.UPG.KSGF.FR.Y.0004.121008T0900Z-121008T1400Z/
/O.NEW.KSGF.FZ.W.0002.121008T0900Z-121008T1400Z/
PULASKI-PHELPS-DALLAS-LACLEDE-TEXAS-DENT-GREENE-WEBSTER-WRIGHT-
CHRISTIAN-DOUGLAS-HOWELL-SHANNON-TANEY-OZARK-
INCLUDING THE CITIES OF...FORT LEONARD WOOD...WAYNESVILLE...
ROLLA...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...
SPRINGFIELD...MARSHFIELD...ROGERSVILLE...MOUNTAIN GROVE...
MANSFIELD...NIXA...OZARK...AVA...WEST PLAINS...WINONA...
EMINENCE...BRANSON...FORSYTH...GAINESVILLE...THEODOSIA
311 PM CDT SUN OCT 7 2012

...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 4 AM TO 9 AM CDT MONDAY. THE
FROST ADVISORY IS NO LONGER IN EFFECT. 

* TIMING AND AREAS AFFECTED...A KILLING FREEZE IS EXPECTED LATE
  TONIGHT AND EARLY MONDAY MORNING FOR AREAS ALONG AND EAST OF
  U.S. 65 AND ALONG AND SOUTH OF INTERSTATE 44.

* TEMPERATURE...LOW TEMPERATURES BY DAYBREAK MONDAY MORNING WILL
  BE IN THE UPPER 20S TO AROUND 30 DEGREES.

* IMPACTS...THE EXPECTED FROST AND FREEZING TEMPERATURES WILL KILL
  SENSITIVE PLANTS AND VEGETATION IF PROPER PRECAUTIONS ARE NOT
  TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MOZ055>058-067>069-077>079-088-089-093-094-101>103-081200-
/O.CON.KSGF.FR.Y.0004.121008T0900Z-121008T1400Z/
BENTON-MORGAN-MILLER-MARIES-ST. CLAIR-HICKORY-CAMDEN-BARTON-CEDAR-
POLK-JASPER-DADE-NEWTON-LAWRENCE-MCDONALD-BARRY-STONE-
INCLUDING THE CITIES OF...WARSAW...COLE CAMP...VERSAILLES...
ELDON...LAKE OZARK...VIENNA...APPLETON CITY...OSCEOLA...
HERMITAGE...OSAGE BEACH...CAMDENTON...LAMAR...EL DORADO SPRINGS...
STOCKTON...BOLIVAR...JOPLIN...CARTHAGE...GREENFIELD...NEOSHO...
AURORA...MOUNT VERNON...ANDERSON...PINEVILLE...MONETT...
CASSVILLE...KIMBERLING CITY...GALENA
311 PM CDT SUN OCT 7 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT
MONDAY...

* TIMING AND AREAS AFFECTED...PATCHY TO WIDESPREAD FROST IS
  EXPECTED TONIGHT FOR AREAS WEST OF U.S. 65 IN MISSOURI...AS WELL
  AS ACROSS THE LAKE OF THE OZARKS REGION IN CENTRAL MISSOURI. 

* TEMPERATURE...LOW TEMPERATURES TONIGHT WILL BE IN THE LOW 30S.

* IMPACTS...THE EXPECTED FROST AND NEAR FREEZING TEMPERATURES MAY KILL
  SENSITIVE PLANTS AND VEGETATION IF PROPER PRECAUTIONS ARE NOT
  TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

MOZ106-081200-
/O.CON.KSGF.FR.Y.0004.121008T0900Z-121008T1400Z/
OREGON-
INCLUDING THE CITIES OF...THAYER...ALTON
311 PM CDT SUN OCT 7 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT
MONDAY...

* TIMING AND AREAS AFFECTED...WIDESPREAD FROST WILL OCCUR LATE
  TONIGHT INTO EARLY MONDAY MORNING ACROSS OREGON COUNTY. 

* TEMPERATURE...LOW TEMPERATURES TONIGHT WILL BE AROUND THE
  FREEZING MARK. A FEW SHELTERED VALLEYS COULD EXPERIENCE
  TEMPERATURES IN THE UPPER 20S. 

* IMPACTS...THE EXPECTED FROST AND NEAR FREEZING TEMPERATURES MAY
  KILL SENSITIVE PLANTS AND VEGETATION IF PROPER PRECAUTIONS ARE
  NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

BOXELL
2 follow-up statements
612 
WWUS73 KSGF 080914
NPWSGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPRINGFIELD MO
414 AM CDT MON OCT 8 2012


MOZ070-071-080>083-090>092-095>098-104-105-081400-
/O.CON.KSGF.FZ.W.0002.000000T0000Z-121008T1400Z/
PULASKI-PHELPS-DALLAS-LACLEDE-TEXAS-DENT-GREENE-WEBSTER-WRIGHT-
CHRISTIAN-DOUGLAS-HOWELL-SHANNON-TANEY-OZARK-
INCLUDING THE CITIES OF...FORT LEONARD WOOD...WAYNESVILLE...
ROLLA...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...
SPRINGFIELD...MARSHFIELD...ROGERSVILLE...MOUNTAIN GROVE...
MANSFIELD...NIXA...OZARK...AVA...WEST PLAINS...WINONA...
EMINENCE...BRANSON...FORSYTH...GAINESVILLE...THEODOSIA
414 AM CDT MON OCT 8 2012

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

* TIMING AND AREAS AFFECTED...WIDESPREAD FROST IS EXPECTED EARLY
  THIS MORNING FOR LOCATIONS ALONG AND EAST OF U.S. 65 AND ALONG
  AND SOUTH OF INTERSTATE 44...WITH A HARD FREEZE STILL EXPECTED
  FOR LOCALIZED AREAS.

* TEMPERATURES...WILL DROP TO AROUND 30 DEGREES...WITH SOME
  LOCATIONS DROPPING INTO THE UPPER 20S.

* IMPACTS...THE EXPECTED FROST AND FREEZING TEMPERATURES WILL KILL
  SENSITIVE PLANTS AND VEGETATION IF PROPER PRECAUTIONS ARE NOT
  TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MOZ055>058-067>069-077>079-088-089-093-094-101>103-081400-
/O.CON.KSGF.FR.Y.0004.000000T0000Z-121008T1400Z/
BENTON-MORGAN-MILLER-MARIES-ST. CLAIR-HICKORY-CAMDEN-BARTON-CEDAR-
POLK-JASPER-DADE-NEWTON-LAWRENCE-MCDONALD-BARRY-STONE-
INCLUDING THE CITIES OF...WARSAW...COLE CAMP...VERSAILLES...
ELDON...LAKE OZARK...VIENNA...APPLETON CITY...OSCEOLA...
HERMITAGE...OSAGE BEACH...CAMDENTON...LAMAR...EL DORADO SPRINGS...
STOCKTON...BOLIVAR...JOPLIN...CARTHAGE...GREENFIELD...NEOSHO...
AURORA...MOUNT VERNON...ANDERSON...PINEVILLE...MONETT...
CASSVILLE...KIMBERLING CITY...GALENA
414 AM CDT MON OCT 8 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* TIMING AND AREAS AFFECTED...PATCHY TO WIDESPREAD FROST IS
  EXPECTED EARLY THIS MORNING WEST OF U.S. 65 IN MISSOURI...AS
  WELL AS ACROSS THE LAKE OF THE OZARKS REGION IN CENTRAL
  MISSOURI.

* TEMPERATURES...WILL DROP INTO THE LOWER 30S.

* IMPACTS...THE EXPECTED FROST AND NEAR FREEZING TEMPERATURES MAY
  KILL SENSITIVE PLANTS AND VEGETATION IF PROPER PRECAUTIONS ARE
  NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

MOZ106-081400-
/O.CON.KSGF.FR.Y.0004.000000T0000Z-121008T1400Z/
OREGON-
INCLUDING THE CITIES OF...THAYER...ALTON
414 AM CDT MON OCT 8 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* TIMING AND AREAS AFFECTED...WIDESPREAD FROST IS EXPECTED EARLY
  THIS MORNING ACROSS OREGON COUNTY.

* TEMPERATURES...WILL DROP TO AROUND THE FREEZING MARK. A FEW
  SHELTERED VALLEYS COULD EXPERIENCE TEMPERATURES IN THE UPPER
  20S.

* IMPACTS...THE EXPECTED FROST AND NEAR FREEZING TEMPERATURES MAY
  KILL SENSITIVE PLANTS AND VEGETATION IF PROPER PRECAUTIONS ARE
  NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

WFO SGF
154 
WWUS73 KSGF 081347
NPWSGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPRINGFIELD MO
847 AM CDT MON OCT 8 2012


MOZ070-071-080>083-090>092-095>098-104-105-081500-
/O.EXP.KSGF.FZ.W.0002.000000T0000Z-121008T1400Z/
PULASKI-PHELPS-DALLAS-LACLEDE-TEXAS-DENT-GREENE-WEBSTER-WRIGHT-
CHRISTIAN-DOUGLAS-HOWELL-SHANNON-TANEY-OZARK-
INCLUDING THE CITIES OF...FORT LEONARD WOOD...WAYNESVILLE...
ROLLA...BUFFALO...LEBANON...HOUSTON...CABOOL...SALEM...
SPRINGFIELD...MARSHFIELD...ROGERSVILLE...MOUNTAIN GROVE...
MANSFIELD...NIXA...OZARK...AVA...WEST PLAINS...WINONA...
EMINENCE...BRANSON...FORSYTH...GAINESVILLE...THEODOSIA
847 AM CDT MON OCT 8 2012

...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING.

TEMPERATURES HAVE WARMED TO ABOVE FREEZING.  THUS THE FREEZE
WARNING IS NO LONGER REQUIRED.

$$

MOZ055>058-067>069-077>079-088-089-093-094-101>103-081500-
/O.EXP.KSGF.FR.Y.0004.000000T0000Z-121008T1400Z/
BENTON-MORGAN-MILLER-MARIES-ST. CLAIR-HICKORY-CAMDEN-BARTON-CEDAR-
POLK-JASPER-DADE-NEWTON-LAWRENCE-MCDONALD-BARRY-STONE-
INCLUDING THE CITIES OF...WARSAW...COLE CAMP...VERSAILLES...
ELDON...LAKE OZARK...VIENNA...APPLETON CITY...OSCEOLA...
HERMITAGE...OSAGE BEACH...CAMDENTON...LAMAR...EL DORADO SPRINGS...
STOCKTON...BOLIVAR...JOPLIN...CARTHAGE...GREENFIELD...NEOSHO...
AURORA...MOUNT VERNON...ANDERSON...PINEVILLE...MONETT...
CASSVILLE...KIMBERLING CITY...GALENA
847 AM CDT MON OCT 8 2012

...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING...

TEMPERATURES HAVE BEGUN TO WARM AFTER SUNRISE. THUS THE FROST
ADVISORY IS NO LONGER REQUIRED.

$$

MOZ106-081500-
/O.EXP.KSGF.FR.Y.0004.000000T0000Z-121008T1400Z/
OREGON-
INCLUDING THE CITIES OF...THAYER...ALTON
847 AM CDT MON OCT 8 2012

...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING...

TEMPERATURES HAVE BEGUN TO WARM AFTER SUNRISE. THUS THE FROST
ADVISORY IS NO LONGER REQUIRED.

$$

COLUCCI

Nearby

Freeze Warnings in Missouri, 2012Every freeze warning in 2012

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.