Alert archive / Minnesota / Frost Advisories in 2014

Frost Advisory 8, NWS Twin Cities, MN

October 9, 201417 counties in Minnesota; Pepin County, Pierce County, Wisconsin

NWS Twin Cities, MN issued this frost advisory at Oct 9, 2014, 2:40 PM CDT for 17 counties in Minnesota; Pepin County, Pierce County, Wisconsin. It took effect at Oct 10, 2014, 1:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 9, 2014, 2:40 PM CDT (19:40 UTC)
In effect from
Oct 10, 2014, 1:00 AM CDT
Expired
Oct 10, 2014, 9:00 AM CDT
In force
8 hr
Issued by
NWS Twin Cities, MN

Counties Blue Earth County, MN, Brown County, MN, Dakota County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Ramsey County, MN, Redwood County, MN, Rice County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Pepin County, WI, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 58 km from the middle of the area, began a volume at 19:43 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

Minneapolis, MN (KMPX), launched 12:00Z, 7.7 hours before the alert went out and 59 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, Minneapolis, MN at 12:00Z on 2014-10-09Temperature 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, Minneapolis, MN at 12:00Z on 2014-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -162 square meters per square second.1939587897Sfc1 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
1328 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-162 m²/s²
0-3 km storm-relative helicity
-62 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 KMPX 091940
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
240 PM CDT THU OCT 9 2014

...FROST AND FREEZING CONDITIONS EXPECTED TONIGHT...

.LOWS TONIGHT INTO THE UPPER 20S AND LOWER 30S...ALONG WITH CLEAR
SKIES AND LIGHT WINDS WILL ALLOW FOR WIDESPREAD FROST DEVELOP.
THIS WILL BE THE FIRST FROST OR FREEZE OF THE FALL FOR THE TWIN
CITIES AND MANY LOCATIONS IN SOUTHERN MINNESOTA.

MNZ060-062-063-070-073>078-082>085-091>093-WIZ024-026-100345-
/O.NEW.KMPX.FR.Y.0008.141010T0600Z-141010T1400Z/
HENNEPIN-RAMSEY-WASHINGTON-DAKOTA-REDWOOD-BROWN-NICOLLET-LE SUEUR-
RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-
FREEBORN-PIERCE-PEPIN-
INCLUDING THE CITIES OF...MINNEAPOLIS...ST. PAUL...STILLWATER...
BURNSVILLE...REDWOOD FALLS...NEW ULM...ST. PETER...LE SUEUR...
FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA...
FAIRMONT...BLUE EARTH...ALBERT LEA...RIVER FALLS...PRESCOTT...
DURAND...PEPIN
240 PM CDT THU OCT 9 2014

...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT
FRIDAY. 

* TEMPERATURE...LOWS 27 TO 33.

* IMPACTS....SENSITIVE OUTDOOR PLANTS AND VEGETATION MAY BE
  DAMAGED OR KILLED IF LEFT UNPROTECTED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
861 
WWUS73 KMPX 100154
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
854 PM CDT THU OCT 9 2014

...FROST AND FREEZING CONDITIONS EXPECTED TONIGHT...

.LOWS TONIGHT INTO THE UPPER 20S AND LOWER 30S...ALONG WITH CLEAR
SKIES AND LIGHT WINDS WILL ALLOW FOR WIDESPREAD FROST TO DEVELOP.
THIS WILL BE THE FIRST FROST OR FREEZE OF THE FALL FOR THE TWIN
CITIES AND MANY LOCATIONS IN SOUTHERN MINNESOTA.

MNZ060-062-063-070-073>078-082>085-091>093-WIZ024-026-101000-
/O.CON.KMPX.FR.Y.0008.141010T0600Z-141010T1400Z/
HENNEPIN-RAMSEY-WASHINGTON-DAKOTA-REDWOOD-BROWN-NICOLLET-LE SUEUR-
RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-
FREEBORN-PIERCE-PEPIN-
INCLUDING THE CITIES OF...MINNEAPOLIS...ST. PAUL...STILLWATER...
BURNSVILLE...REDWOOD FALLS...NEW ULM...ST. PETER...LE SUEUR...
FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA...
FAIRMONT...BLUE EARTH...ALBERT LEA...RIVER FALLS...PRESCOTT...
DURAND...PEPIN
854 PM CDT THU OCT 9 2014

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY. 

* TEMPERATURE...LOWS 27 TO 33.

* IMPACTS....SENSITIVE OUTDOOR PLANTS AND VEGETATION MAY BE 
  DAMAGED OR KILLED IF LEFT UNPROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
234 
WWUS73 KMPX 100809
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
309 AM CDT FRI OCT 10 2014

...FROST AND FREEZING CONDITIONS EXPECTED UNTIL 9 AM THIS MORNING...

.LOW TEMPERATURES IN THE UPPER 20S AND LOWER 30S...ALONG WITH
CLEAR SKIES AND LIGHT WINDS WILL ALLOW FOR WIDESPREAD FROST 
ACROSS SOUTHERN MINNESOTA THIS MORNING.

MNZ060-062-063-070-073>078-082>085-091>093-WIZ024-026-101400-
/O.CON.KMPX.FR.Y.0008.000000T0000Z-141010T1400Z/
HENNEPIN-RAMSEY-WASHINGTON-DAKOTA-REDWOOD-BROWN-NICOLLET-LE SUEUR-
RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-
FREEBORN-PIERCE-PEPIN-
INCLUDING THE CITIES OF...MINNEAPOLIS...ST. PAUL...STILLWATER...
BURNSVILLE...REDWOOD FALLS...NEW ULM...ST. PETER...LE SUEUR...
FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA...
FAIRMONT...BLUE EARTH...ALBERT LEA...RIVER FALLS...PRESCOTT...
DURAND...PEPIN
309 AM CDT FRI OCT 10 2014

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

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

* TEMPERATURE...LOWS 27 TO 33.

* IMPACTS....SENSITIVE OUTDOOR PLANTS AND VEGETATION MAY BE 
  DAMAGED OR KILLED IF LEFT UNPROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
542 
WWUS73 KMPX 101341
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
841 AM CDT FRI OCT 10 2014

...FROST ADVISORY ENDING AT 9AM THIS MORNING...

.TEMPERATURES WILL CONTINUE TO WARM THIS MORNING...SO THE FROST
ADVISORY WILL EXPIRE AT 9AM.

MNZ060-062-063-070-073>078-082>085-091>093-WIZ024-026-101445-
/O.EXP.KMPX.FR.Y.0008.000000T0000Z-141010T1400Z/
HENNEPIN-RAMSEY-WASHINGTON-DAKOTA-REDWOOD-BROWN-NICOLLET-LE SUEUR-
RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-
FREEBORN-PIERCE-PEPIN-
INCLUDING THE CITIES OF...MINNEAPOLIS...ST. PAUL...STILLWATER...
BURNSVILLE...REDWOOD FALLS...NEW ULM...ST. PETER...LE SUEUR...
FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA...
FAIRMONT...BLUE EARTH...ALBERT LEA...RIVER FALLS...PRESCOTT...
DURAND...PEPIN
841 AM CDT FRI OCT 10 2014

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

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

$$

JRB

Nearby

Frost Advisories in Minnesota, 2014Frost Advisories in Wisconsin, 2014Every frost advisory in 2014

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.