Alert archive / Minnesota / Frost Advisories in 2017

Frost Advisory 2, NWS Sioux Falls, SD

October 9, 2017Cottonwood County, Jackson County, Nobles County, Minnesota; Clay County, Union County, South Dakota; Osceola County, Sioux County, Iowa

NWS Sioux Falls, SD issued this frost advisory at Oct 9, 2017, 3:06 AM CDT for Cottonwood County, Jackson County, Nobles County, Minnesota; Clay County, Union County, South Dakota; Osceola County, Sioux County, Iowa. It took effect at Oct 10, 2017, 12:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 9, 2017, 3:06 AM CDT (08:06 UTC)
In effect from
Oct 10, 2017, 12:00 AM CDT
Expired
Oct 10, 2017, 9:00 AM CDT
In force
9 hr
Issued by
NWS Sioux Falls, SD

Counties Osceola County, IA, Sioux County, IA, Cottonwood County, MN, Jackson County, MN, Nobles County, MN, Clay County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 69 km from the middle of the area, began a volume at 08:04 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, 8.1 hours before the alert went out and 230 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 2017-10-09Temperature 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 2017-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
1818 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

303 
WWUS73 KFSD 090806
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
306 AM CDT Mon Oct 9 2017

...Freeze & Frost Expected Tuesday Morning...

SDZ038>040-050-052>061-063>065-091800-
/O.UPG.KFSD.FZ.A.0001.171010T0500Z-171010T1300Z/
/O.NEW.KFSD.FZ.W.0001.171010T0500Z-171010T1400Z/
Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-Miner-Lake-
Moody-Brule-Aurora-Davison-Hanson-McCook-Charles Mix-Douglas-
Hutchinson-
306 AM CDT Mon Oct 9 2017

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT
TUESDAY...

The National Weather Service in Sioux Falls has issued a Freeze
Warning, which is in effect from midnight tonight to 9 AM CDT
Tuesday. The Freeze Watch is no longer in effect. 

* TEMPERATURE...Lows in the upper 20s to around 30 are likely for
  a few hours early Tuesday morning. 

* IMPACTS...Subfreezing temperatures will end the growing season
  and damage any unprotected outdoor plants and gardens.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

IAZ001-MNZ071-072-080-097-098-SDZ062-066>069-091800-
/O.NEW.KFSD.FZ.W.0001.171010T0500Z-171010T1400Z/
Lyon IA-Lincoln MN-Lyon MN-Murray-Pipestone-Rock-Minnehaha-Turner-
Lincoln SD-Bon Homme-Yankton-
306 AM CDT Mon Oct 9 2017

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT
TUESDAY...

The National Weather Service in Sioux Falls has issued a Freeze
Warning, which is in effect from midnight tonight to 9 AM CDT
Tuesday. 

* TEMPERATURE...Lows in the upper 20s to around 30 are likely for
  a few hours early Tuesday morning.

* IMPACTS...Subfreezing temperatures will end the growing season
  and damage any unprotected outdoor plants and gardens.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

IAZ002-012-MNZ081-089-090-SDZ070-071-091800-
/O.NEW.KFSD.FR.Y.0002.171010T0500Z-171010T1400Z/
Osceola-Sioux-Cottonwood-Nobles-Jackson-Clay SD-Union-
306 AM CDT Mon Oct 9 2017

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT
TUESDAY...

The National Weather Service in Sioux Falls has issued a Frost
Advisory, which is in effect from midnight tonight to 9 AM CDT
Tuesday. 

* TEMPERATURE...Lows in the mid to low 30s are likely for a few 
  hours early Tuesday morning.

* IMPACTS...Frost is likely and can cause damage to any 
  unprotected outdoor plants and gardens.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$
5 follow-up statements
981 
WWUS73 KFSD 091705
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1205 PM CDT Mon Oct 9 2017

...Freeze & Frost Expected Tuesday Morning...

IAZ001-MNZ071-072-080-097-098-SDZ038>040-050-052>069-100115-
/O.CON.KFSD.FZ.W.0001.171010T0500Z-171010T1400Z/
Lyon IA-Lincoln MN-Lyon MN-Murray-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Gregory-Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-
Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-
Turner-Lincoln SD-Bon Homme-Yankton-
1205 PM CDT Mon Oct 9 2017

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CDT TUESDAY...

* TEMPERATURE...Lows in the upper 20s to around 30 are likely 
  for a few hours early Tuesday morning. 

* IMPACTS...Subfreezing temperatures will end the growing season 
  and damage any unprotected outdoor plants and gardens. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

IAZ002-012-MNZ081-089-090-SDZ070-071-100115-
/O.CON.KFSD.FR.Y.0002.171010T0500Z-171010T1400Z/
Osceola-Sioux-Cottonwood-Nobles-Jackson-Clay SD-Union-
1205 PM CDT Mon Oct 9 2017

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CDT TUESDAY...

* TEMPERATURE...Lows in the mid to low 30s are likely for a few 
  hours early Tuesday morning. 

* IMPACTS...Frost is likely and can cause damage to any 
  unprotected outdoor plants and gardens. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$
792 
WWUS73 KFSD 092024
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
324 PM CDT Mon Oct 9 2017

...Freeze & Frost Expected Tuesday Morning...

IAZ001-MNZ071-072-080-097-098-SDZ038>040-050-052>069-100430-
/O.CON.KFSD.FZ.W.0001.171010T0500Z-171010T1400Z/
Lyon IA-Lincoln MN-Lyon MN-Murray-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Gregory-Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-
Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-
Turner-Lincoln SD-Bon Homme-Yankton-
324 PM CDT Mon Oct 9 2017

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CDT TUESDAY...

* TEMPERATURE...Lows in the upper 20s to around 30 are likely 
  for a few hours early Tuesday morning. 

* IMPACTS...Subfreezing temperatures will end the growing season 
  and damage any unprotected outdoor plants and gardens. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

IAZ002-012-MNZ081-089-090-SDZ070-071-100430-
/O.CON.KFSD.FR.Y.0002.171010T0500Z-171010T1400Z/
Osceola-Sioux-Cottonwood-Nobles-Jackson-Clay SD-Union-
324 PM CDT Mon Oct 9 2017

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CDT TUESDAY...

* TEMPERATURE...Lows in the lower to mid 30s are likely for a few
  hours early Tuesday morning. 

* IMPACTS...Frost is likely and can cause damage to any 
  unprotected outdoor plants and gardens. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$
112 
WWUS73 KFSD 100234
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
934 PM CDT Mon Oct 9 2017

...Freeze & Frost Expected Tuesday Morning...

IAZ001-MNZ071-072-080-097-098-SDZ038>040-050-052>069-101045-
/O.CON.KFSD.FZ.W.0001.171010T0500Z-171010T1400Z/
Lyon IA-Lincoln MN-Lyon MN-Murray-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Gregory-Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-
Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-
Turner-Lincoln SD-Bon Homme-Yankton-
934 PM CDT Mon Oct 9 2017

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT TUESDAY...

* TEMPERATURE...Lows in the upper 20s to around 30 are likely 
  for a few hours early Tuesday morning. 

* IMPACTS...Subfreezing temperatures will end the growing season 
  and damage any unprotected outdoor plants and gardens. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

IAZ002-012-MNZ081-089-090-SDZ070-071-101045-
/O.CON.KFSD.FR.Y.0002.171010T0500Z-171010T1400Z/
Osceola-Sioux-Cottonwood-Nobles-Jackson-Clay SD-Union-
934 PM CDT Mon Oct 9 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT TUESDAY...

* TEMPERATURE...Lows in the lower to mid 30s are likely for a 
  few hours early Tuesday morning. 

* IMPACTS...Frost is likely and can cause damage to any 
  unprotected outdoor plants and gardens. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$
783 
WWUS73 KFSD 100826
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
326 AM CDT Tue Oct 10 2017

...Freeze & Frost This Morning...

IAZ001-MNZ071-072-080-097-098-SDZ038>040-050-052>069-101400-
/O.CON.KFSD.FZ.W.0001.000000T0000Z-171010T1400Z/
Lyon IA-Lincoln MN-Lyon MN-Murray-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Gregory-Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-
Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-
Turner-Lincoln SD-Bon Homme-Yankton-
326 AM CDT Tue Oct 10 2017

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

* TEMPERATURE...Lows in the upper 20s to around 30. 

* IMPACTS...Subfreezing temperatures will end the growing season 
  and damage any unprotected outdoor plants and gardens. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

IAZ002-012-MNZ081-089-090-SDZ070-071-101400-
/O.CON.KFSD.FR.Y.0002.000000T0000Z-171010T1400Z/
Osceola-Sioux-Cottonwood-Nobles-Jackson-Clay SD-Union-
326 AM CDT Tue Oct 10 2017

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

* TEMPERATURE...Lows in the lower to mid 30s. 

* IMPACTS...Frost can cause damage to any unprotected outdoor 
  plants and gardens. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$
205 
WWUS73 KFSD 101353
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
853 AM CDT Tue Oct 10 2017


IAZ001-MNZ071-072-080-097-098-SDZ038>040-050-052>069-101500-
/O.EXP.KFSD.FZ.W.0001.000000T0000Z-171010T1400Z/
Lyon IA-Lincoln MN-Lyon MN-Murray-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Gregory-Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-
Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-
Turner-Lincoln SD-Bon Homme-Yankton-
853 AM CDT Tue Oct 10 2017

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

Temperatures will continue their slow rise this morning. High
temperatures will climb into the 50s by this afternoon. Low
temperatures by Wednesday morning may again hover near freezing. 

$$

IAZ002-012-MNZ081-089-090-SDZ070-071-101500-
/O.EXP.KFSD.FR.Y.0002.000000T0000Z-171010T1400Z/
Osceola-Sioux-Cottonwood-Nobles-Jackson-Clay SD-Union-
853 AM CDT Tue Oct 10 2017

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

Temperatures will continue their slow rise this morning. High
temperatures will climb into the 50s by this afternoon. Low
temperatures by Wednesday morning may again hover near freezing. 

$$

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 9, 3:06 AM CDTFreeze WarningFSDLincoln, Lyon, Murray, Pipestone, Rock30 hr

Nearby

Frost Advisories in Minnesota, 2017Frost Advisories in South Dakota, 2017Frost Advisories in Iowa, 2017Every frost advisory in 2017

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.