Alert archive / South Dakota / Frost Advisories in 2011

Frost Advisory 2, NWS Sioux Falls, SD

September 14, 20115 counties in Iowa; 11 counties in South Dakota; Dakota County, Dixon County, Nebraska

NWS Sioux Falls, SD issued this frost advisory at Sep 14, 2011, 4:02 AM CDT for 5 counties in Iowa; 11 counties in South Dakota; Dakota County, Dixon County, Nebraska. It took effect at Sep 15, 2011, 12:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Sep 14, 2011, 4:02 AM CDT (09:02 UTC)
In effect from
Sep 15, 2011, 12:00 AM CDT
Expired
Sep 15, 2011, 8:00 AM CDT
In force
8 hr
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Cherokee County, IA, Ida County, IA, Plymouth County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Aurora County, SD, Bon Homme County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Sanborn County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 65 km from the middle of the area, began a volume at 09:05 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

Omaha, NE (KOAX), launched 00:00Z, 9.0 hours before the alert went out and 206 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, Omaha, NE at 00:00Z on 2011-09-14Temperature 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, Omaha, NE at 00:00Z on 2011-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
2007 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
48 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.

509 
WWUS73 KFSD 140902
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
402 AM CDT WED SEP 14 2011

...GROWING SEASON EXPECTED TO END WEDNESDAY NIGHT...

.AN EARLY SURGE OF UNSEASONABLY COLD AND DRY AIR WILL CONTINUE TO PUSH
INTO THE REGION TODAY...BECOMING CENTERED ACROSS THE AREA BY
THURSDAY MORNING. ALMOST IDEAL CONDITIONS FOR RADIATIVE COOLING
WILL EXIST LATE TONIGHT INTO EARLY THURSDAY MORNING...WITH
TEMPERATURES FALLING INTO THE UPPER 20S TO AROUND 30 FOR SEVERAL
HOURS.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
054>056-061-062-066-067-141715-
/O.CON.KFSD.FZ.W.0001.110915T0500Z-110915T1300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...MADISON...
FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
402 AM CDT WED SEP 14 2011

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO FALL INTO 
  THE UPPER 20S AND LOWER 30S FOR SEVERAL HOURS LATE WEDNESDAY 
  NIGHT AND EARLY THURSDAY MORNING. A WIDESPREAD KILLING FREEZE 
  IS EXPECTED TO END THE GROWING SEASON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ020>022-031-032-NEZ013-014-SDZ053-059-060-065-069>071-141715-
/O.NEW.KFSD.FR.Y.0002.110915T0500Z-110915T1300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-SANBORN-
DAVISON-HANSON-HUTCHINSON-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...WOONSOCKET...MITCHELL...
ALEXANDRIA...EMERY...PARKSTON...FREEMAN...MENNO...TRIPP...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
402 AM CDT WED SEP 14 2011

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT
THURSDAY. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO BRIEFLY DROP
  TO AROUND 32 DEGREES LATE TONIGHT INTO EARLY THURSDAY MORNING.
  WITH LIGHT WINDS AND CLEAR SKIES AREAS OF FROST ARE LIKELY ON
  EXPOSED SURFACES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
4 follow-up statements
295 
WWUS73 KFSD 142007
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
307 PM CDT WED SEP 14 2011

...FREEZE AND FROST THREAT CONTINUES FOR LATE TONIGHT...

.AN EARLY SURGE OF UNSEASONABLY COLD AND DRY AIR HAS BECOME
ESTABLISHED OVER THE REGION TODAY. HIGH PRESSURE MOVING OVER THE
AREA TONIGHT WILL BRING CLEAR SKIES AND CALM TO LIGHT WINDS...AS
THE LINGERING AFTERNOON BREEZE DECREASES BY SUNSET. THESE ARE IDEAL
CONDITIONS FOR RADIATIVE COOLING LATE TONIGHT INTO EARLY THURSDAY
MORNING...WITH TEMPERATURES FALLING INTO THE UPPER 20S TO LOWER
30S FOR SEVERAL HOURS. THE AREA NEAR THE MISSOURI RIVER FROM
CHAMBERLAIN TO PICKSTOWN AND SOUTHWEST WILL BE A LITTLE WARMER AND
IS EXPECTING PATCHY FROST.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
054>056-061-062-066-067-150415-
/O.CON.KFSD.FZ.W.0001.110915T0500Z-110915T1300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...MADISON...
FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
307 PM CDT WED SEP 14 2011

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO BE IN THE
  UPPER 20S AND LOWER 30S FOR SEVERAL HOURS LATE TONIGHT AND
  THURSDAY MORNING. A WIDESPREAD FREEZE IS EXPECTED TO END THE
  GROWING SEASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ052-058-064-068-150415-
/O.EXA.KFSD.FR.Y.0002.110915T0500Z-110915T1300Z/
JERAULD-AURORA-DOUGLAS-BON HOMME-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
PLANKINTON...WHITE LAKE...STICKNEY...ARMOUR...CORSICA...DELMONT...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
307 PM CDT WED SEP 14 2011

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT
THURSDAY. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO BRIEFLY DROP
  TO AROUND 32 DEGREES LATE TONIGHT INTO EARLY THURSDAY MORNING.
  WITH LIGHT WINDS AND CLEAR SKIES...AREAS OF FROST ARE LIKELY ON
  EXPOSED SURFACES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ020>022-031-032-NEZ013-014-SDZ053-059-060-065-069>071-150415-
/O.CON.KFSD.FR.Y.0002.110915T0500Z-110915T1300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-SANBORN-
DAVISON-HANSON-HUTCHINSON-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...WOONSOCKET...MITCHELL...
ALEXANDRIA...EMERY...PARKSTON...FREEMAN...MENNO...TRIPP...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
307 PM CDT WED SEP 14 2011

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO BRIEFLY DROP
  TO AROUND 32 DEGREES LATE TONIGHT INTO EARLY THURSDAY MORNING.
  WITH LIGHT WINDS AND CLEAR SKIES...AREAS OF FROST ARE LIKELY ON
  EXPOSED SURFACES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
WILLIAMS
899 
WWUS73 KFSD 150128
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
828 PM CDT WED SEP 14 2011

...FREEZE AND FROST THREAT CONTINUES FOR LATE TONIGHT...

.AN EARLY SURGE OF UNSEASONABLY COLD AND DRY AIR HAS BECOME
ESTABLISHED OVER THE REGION TODAY. HIGH PRESSURE MOVING OVER THE
AREA TONIGHT WILL BRING CLEAR SKIES AND CALM TO LIGHT WINDS...AS
THE LINGERING AFTERNOON BREEZE DECREASES BY SUNSET. THESE ARE
IDEAL CONDITIONS FOR RADIATIVE COOLING LATE TONIGHT INTO EARLY
THURSDAY MORNING...WITH TEMPERATURES FALLING INTO THE UPPER 20S
TO LOWER 30S FOR SEVERAL HOURS. THE AREA NEAR THE MISSOURI RIVER
FROM CHAMBERLAIN TO PICKSTOWN AND SOUTHWEST WILL BE A LITTLE
WARMER AND IS EXPECTING PATCHY FROST.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
054>056-061-062-066-067-150930-
/O.CON.KFSD.FZ.W.0001.110915T0500Z-110915T1300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...MADISON...
FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
828 PM CDT WED SEP 14 2011

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO BE IN THE 
  UPPER 20S AND LOWER 30S FOR SEVERAL HOURS LATE TONIGHT AND 
  THURSDAY MORNING. A WIDESPREAD FREEZE IS EXPECTED TO END THE 
  GROWING SEASON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ020>022-031-032-NEZ013-014-SDZ052-053-058>060-064-065-068>071-
150930-
/O.CON.KFSD.FR.Y.0002.110915T0500Z-110915T1300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-JERAULD-
SANBORN-AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
828 PM CDT WED SEP 14 2011

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CDT THURSDAY. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO BRIEFLY DROP
  TO AROUND 32 DEGREES LATE TONIGHT INTO EARLY THURSDAY MORNING.
  WITH LIGHT WINDS AND CLEAR SKIES...FROST IS LIKELY ON EXPOSED
  SURFACES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
702 
WWUS73 KFSD 150837
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
337 AM CDT THU SEP 15 2011

...FREEZE AND FROST THREAT CONTINUES THROUGH EARLY MORNING...

.COLD HIGH PRESSURE WILL KEEP TEMPERATURES IN THE LOWER 30S THROUGH
SUNRISE THIS MORNING...BUT TEMPERATURES WILL QUICKLY REBOUND INTO
THE 40 BETWEEN 900 AM CDT AND 1000 AM CDT.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
054>056-061-062-066-067-151300-
/O.CON.KFSD.FZ.W.0001.000000T0000Z-110915T1300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...MADISON...
FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
337 AM CDT THU SEP 15 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO BE NEAR 30
  DEGREES EARLY THIS MORNING BEFORE REBOUNDING BACK INTO THE 40S
  BY MID MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ020>022-031-032-NEZ013-014-SDZ052-053-058>060-064-065-068>071-
151300-
/O.CON.KFSD.FR.Y.0002.000000T0000Z-110915T1300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-JERAULD-
SANBORN-AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
337 AM CDT THU SEP 15 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING. 

* WEATHER CONDITIONS...TEMPERATURES ARE EXPECTED TO HOVER AROUND
  32 DEGREES EARLY THIS MORNING...BEFORE REBOUNDING INTO THE 40S
  BY ABOUT 900 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
142 
WWUS73 KFSD 151305
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
805 AM CDT THU SEP 15 2011



IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
054>056-061-062-066-067-151415-
/O.EXP.KFSD.FZ.W.0001.000000T0000Z-110915T1300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...MADISON...
FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
805 AM CDT THU SEP 15 2011

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT. 


* TEMPERATURES HAVE RISEN ABOVE FREEZING ACROSS THE AREA. HIGHS TODAY
  WILL BE IN THE UPPER 50S WITH LOWS TONIGHT IN THE UPPER 30S TO
  LOWER 40S.



$$

IAZ020>022-031-032-NEZ013-014-SDZ052-053-058>060-064-065-068>071-
151415-
/O.EXP.KFSD.FR.Y.0002.000000T0000Z-110915T1300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-JERAULD-
SANBORN-AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
805 AM CDT THU SEP 15 2011

...FROST ADVISORY HAS EXPIRED...

THE FROST ADVISORY IS NO LONGER IN EFFECT. 

* TEMPERATURES HAVE RISEN ABOVE FREEZING ACROSS THE AREA. HIGHS TODAY
  WILL BE IN THE UPPER 50S WITH LOWS TONIGHT IN THE LOWER 40S.

$$

Nearby

Frost Advisories in South Dakota, 2011Frost Advisories in Iowa, 2011Frost Advisories in Nebraska, 2011Every frost advisory 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.