Alert archive / Minnesota / Frost Advisories in 2013

Frost Advisory 3, NWS Twin Cities, MN

June 2, 2013Barron County, Polk County, Rusk County, Wisconsin; 4 counties in Minnesota

NWS Twin Cities, MN issued this frost advisory at Jun 2, 2013, 1:39 PM CDT for Barron County, Polk County, Rusk County, Wisconsin; 4 counties in Minnesota. It took effect at Jun 3, 2013, 1:00 AM CDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 2, 2013, 1:39 PM CDT (18:39 UTC)
In effect from
Jun 3, 2013, 1:00 AM CDT
Expired
Jun 3, 2013, 4:24 AM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN

Counties Chisago County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Barron County, WI, Polk County, WI, Rusk County, WI

The radar

The Minneapolis radar (KMPX), 111 km from the middle of the area, began a volume at 18:41 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, 6.7 hours before the alert went out and 113 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 2013-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 2013-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
-13 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.

740 
WWUS73 KMPX 021839
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
139 PM CDT SUN JUN 2 2013

...TEMPERATURES FALLING TO NEAR FREEZING TONIGHT...

.UNDER CLEAR SKIES AND LIGHT WINDS...TEMPERATURES ARE EXPECTED TO
DROP TO NEAR FREEZING AFTER MIDNIGHT TONIGHT ACROSS PORTIONS OF
WESTERN WISCONSIN AND EAST CENTRAL MINNESOTA. AS A RESULT...
FROST IS EXPECTED...AND A FROST ADVISORY IS IN EFFECT AFTER 
MIDNIGHT TONIGHT. THE AREA IS NORTH AND EAST OF A LINE...FROM
PRINCETON TO FOREST LAKE AND NORTH OF A LINE...FROM EAST 
FARMINGTON WISCONSIN...TO CLEAR LAKE TO ISLAND LAKE WISCONSIN.
TENDER VEGETATION MAY BE DAMAGED IF PRECAUTIONS ARE NOT TAKEN TO
PROTECT OUTDOOR PLANTS.


MNZ044-045-052-053-WIZ014>016-030245-
/O.NEW.KMPX.FR.Y.0003.130603T0600Z-130603T1200Z/
MILLE LACS-KANABEC-ISANTI-CHISAGO-POLK-BARRON-RUSK-
INCLUDING THE CITIES OF...PRINCETON...MORA...CAMBRIDGE...
CENTER CITY...AMERY...BALSAM LAKE...RICE LAKE...BARRON...
LADYSMITH
139 PM CDT SUN JUN 2 2013

...FROST ADVISORY IN EFFECT FROM 1 AM TO 7 AM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 7 AM CDT
MONDAY. 

A FROST ADVISORY IS IN EFFECT FROM 1 AM TO 7 AM CDT MONDAY.

* TEMPERATURES OVERNIGHT ARE EXPECTED TO DIP MAINLY INTO THE MID
  30S.

* COLD TEMPERATURES WILL LEAD TO WIDESPREAD FROST FORMATION. 
  THIS FROST COULD CAUSE DAMAGE TO SENSITIVE VEGETATION IF NOT 
  COVERED...INCLUDING EARLY SEASON FLOWERS OR GARDEN VEGETABLE 
  PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
338 
WWUS73 KMPX 022302
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
602 PM CDT SUN JUN 2 2013

...TEMPERATURES FALLING TO NEAR FREEZING TONIGHT...

.A FROST ADVISORY IS IN EFFECT TONIGHT FOR PORTIONS OF CENTRAL
MINNESOTA AND WEST CENTRAL WISCONSIN. THE ADVISORY IS ALONG AND
NORTH OF A LINE FROM PRINCETON TO AMERY TO LADYSMITH. TEMPERATURES
ARE EXPECTED TO DROP TO NEAR FREEZING BEFORE DAYBREAK MONDAY WITH
WIDESPREAD FROST OCCURRING. TENDER VEGETATION MAY BE DAMAGED IF
PRECAUTIONS ARE NOT TAKEN TO PROTECT OUTDOOR PLANTS.

MNZ044-045-052-053-WIZ014>016-030715-
/O.CON.KMPX.FR.Y.0003.130603T0600Z-130603T1200Z/
MILLE LACS-KANABEC-ISANTI-CHISAGO-POLK-BARRON-RUSK-
INCLUDING THE CITIES OF...PRINCETON...MORA...CAMBRIDGE...
CENTER CITY...AMERY...BALSAM LAKE...RICE LAKE...BARRON...
LADYSMITH
602 PM CDT SUN JUN 2 2013

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT
MONDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT MONDAY. 

A FROST ADVISORY IS IN EFFECT FROM 1 AM TO 7 AM CDT MONDAY.

* TEMPERATURES OVERNIGHT ARE EXPECTED TO DIP INTO THE LOWER TO
  MIDDLE 30S.

* COLD TEMPERATURES WILL LEAD TO WIDESPREAD FROST FORMATION. 
  THIS FROST COULD CAUSE DAMAGE TO SENSITIVE VEGETATION IF NOT 
  COVERED...INCLUDING EARLY SEASON FLOWERS OR GARDEN VEGETABLE 
  PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

RAH
384 
WWUS73 KMPX 030705
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
205 AM CDT MON JUN 3 2013

...FROST POSSIBLE EARLY THIS MORNING...

.A FROST ADVISORY IS IN EFFECT THIS MORNING FOR PORTIONS OF
CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. THE ADVISORY IS
ALONG AND NORTH OF A LINE FROM PRINCETON TO AMERY TO LADYSMITH.
TEMPERATURES ARE EXPECTED TO DROP INTO THE 30S BEFORE
DAYBREAK...WHICH COULD LEAD TO AREAS OF FROST. TENDER VEGETATION
MAY BE DAMAGED IF PRECAUTIONS ARE NOT TAKEN TO PROTECT OUTDOOR
PLANTS.

MNZ044-045-052-053-WIZ014>016-031200-
/O.CON.KMPX.FR.Y.0003.000000T0000Z-130603T1200Z/
MILLE LACS-KANABEC-ISANTI-CHISAGO-POLK-BARRON-RUSK-
INCLUDING THE CITIES OF...PRINCETON...MORA...CAMBRIDGE...
CENTER CITY...AMERY...BALSAM LAKE...RICE LAKE...BARRON...
LADYSMITH
205 AM CDT MON JUN 3 2013

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING. 

A FROST ADVISORY IS IN EFFECT FROM 1 AM TO 7 AM CDT MONDAY.

* TEMPERATURES THIS MORNING COULD DROP INTO THE 30S.

* COOL TEMPERATURES MAY LEAD TO FROST FORMATION. THIS FROST COULD
  CAUSE DAMAGE TO SENSITIVE VEGETATION IF NOT COVERED...INCLUDING
  EARLY SEASON FLOWERS OR GARDEN VEGETABLE PLANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
381 
WWUS73 KMPX 030924
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
424 AM CDT MON JUN 3 2013

...TEMPERATURES REMAINING TOO WARM FOR FROST...

.TEMPERATURES HAVE NOT COOLED DOWN AS MUCH AS WE INITIALLY
THOUGHT AND AS A RESULT FROST WILL NOT BE WIDESPREAD. FROST SHOULD
BE CONFINED TO ISOLATED LOCATIONS IF IT EVEN OCCURS AT ALL.

MNZ044-045-052-053-WIZ014>016-031030-
/O.CAN.KMPX.FR.Y.0003.000000T0000Z-130603T1200Z/
MILLE LACS-KANABEC-ISANTI-CHISAGO-POLK-BARRON-RUSK-
INCLUDING THE CITIES OF...PRINCETON...MORA...CAMBRIDGE...
CENTER CITY...AMERY...BALSAM LAKE...RICE LAKE...BARRON...
LADYSMITH
424 AM CDT MON JUN 3 2013

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS
CANCELLED THE FROST ADVISORY. 

TEMPERATURES WILL REMAIN TOO WARM FOR FROST THIS MORNING.

$$

Nearby

Frost Advisories in Minnesota, 2013Frost Advisories in Wisconsin, 2013Every frost advisory in 2013

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.