Alert archive / Minnesota / Frost Advisories in 2015

Frost Advisory 4, NWS Twin Cities, MN

May 30, 20157 counties in Wisconsin; 11 counties in Minnesota

NWS Twin Cities, MN issued this frost advisory at May 30, 2015, 2:35 PM CDT for 7 counties in Wisconsin; 11 counties in Minnesota. It took effect at May 31, 2015, 1:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 30, 2015, 2:35 PM CDT (19:35 UTC)
In effect from
May 31, 2015, 1:00 AM CDT
Expired
May 31, 2015, 7:15 AM CDT
In force
6 hr
Issued by
NWS Twin Cities, MN

Counties Anoka County, MN, Benton County, MN, Chisago County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Sherburne County, MN, Stearns County, MN, Todd County, MN, Washington County, MN, Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 83 km from the middle of the area, began a volume at 19:39 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, 7.6 hours before the alert went out and 84 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 2015-05-30Temperature 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 2015-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -108 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
1012 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-108 m²/s²
0-3 km storm-relative helicity
-65 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.

895 
WWUS73 KMPX 301935
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
235 PM CDT SAT MAY 30 2015

...FROST ADVISORY FOR PARTS OF CENTRAL MINNESOTA AND WEST CENTRAL
WISCONSIN LATE TONIGHT...

.A FROST ADVISORY HAS BEEN ISSUED FROM 1 AM UNTIL 8 AM SUNDAY
MORNING FOR LOCATIONS MAINLY ALONG AND NORTH OF INTERSTATE 94 IN
CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. 

AREAS OF FROST ARE LIKELY AS LIGHT WIND AND TEMPERATURES IN THE
MID 30S PROMOTE FROST...DEVELOPING AFTER MIDNIGHT TONIGHT. TEMPERATURE 
SENSITIVE OUTDOOR VEGETATION MAY BE DAMAGED IF PROPER PRECAUTIONS
ARE NOT TAKEN.

MNZ042>045-049>053-WIZ014>016-023-025-027-310345-
/O.NEW.KMPX.FR.Y.0004.150531T0600Z-150531T1300Z/
TODD-MORRISON-MILLE LACS-KANABEC-STEARNS-BENTON-SHERBURNE-ISANTI-
CHISAGO-POLK-BARRON-RUSK-ST. CROIX-DUNN-CHIPPEWA-
INCLUDING THE CITIES OF...LONG PRAIRIE...LITTLE FALLS...
PRINCETON...MORA...ST. CLOUD...FOLEY...ELK RIVER...CAMBRIDGE...
CENTER CITY...OSCEOLA...RICE LAKE...LADYSMITH...HUDSON...
MENOMONIE...CHIPPEWA FALLS
235 PM CDT SAT MAY 30 2015

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT
SUNDAY. 

* TEMPERATURE...LOWS BETWEEN 32 AND 36.

* IMPACTS...TEMPERATURE SENSITIVE OUTDOOR VEGETATION MAY BE
  DAMAGED OR KILLED 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.

&&

$$
3 follow-up statements
167 
WWUS73 KMPX 310157
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
857 PM CDT SAT MAY 30 2015

...FROST ADVISORY FOR PARTS OF CENTRAL MINNESOTA AND WEST CENTRAL
WISCONSIN LATE TONIGHT...

.A FROST ADVISORY HAS BEEN ISSUED FROM 1 AM UNTIL 8 AM SUNDAY
MORNING FOR LOCATIONS MAINLY ALONG AND NORTH OF INTERSTATE 94 IN
CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN.

AREAS OF FROST ARE LIKELY AS LIGHT WIND AND TEMPERATURES IN THE
MID 30S PROMOTE FROST...DEVELOPING AFTER MIDNIGHT TONIGHT.
TEMPERATURE SENSITIVE OUTDOOR VEGETATION MAY BE DAMAGED IF PROPER
PRECAUTIONS ARE NOT TAKEN.

MNZ061-063-WIZ028-311000-
/O.EXA.KMPX.FR.Y.0004.150531T0600Z-150531T1300Z/
ANOKA-WASHINGTON-EAU CLAIRE-
INCLUDING THE CITIES OF...BLAINE...STILLWATER...EAU CLAIRE
857 PM CDT SAT MAY 30 2015

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT
SUNDAY. 

* TEMPERATURE...LOWS BETWEEN 32 AND 36.

* IMPACTS...TEMPERATURE SENSITIVE OUTDOOR VEGETATION MAY BE 
  DAMAGED OR KILLED 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.

&&

$$

MNZ042>045-049>053-WIZ014>016-023-025-027-311000-
/O.CON.KMPX.FR.Y.0004.150531T0600Z-150531T1300Z/
TODD-MORRISON-MILLE LACS-KANABEC-STEARNS-BENTON-SHERBURNE-ISANTI-
CHISAGO-POLK-BARRON-RUSK-ST. CROIX-DUNN-CHIPPEWA-
INCLUDING THE CITIES OF...LONG PRAIRIE...LITTLE FALLS...
PRINCETON...MORA...ST. CLOUD...FOLEY...ELK RIVER...CAMBRIDGE...
CENTER CITY...OSCEOLA...RICE LAKE...LADYSMITH...HUDSON...
MENOMONIE...CHIPPEWA FALLS
857 PM CDT SAT MAY 30 2015

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT
SUNDAY...

* TEMPERATURE...LOWS BETWEEN 32 AND 36.

* IMPACTS...TEMPERATURE SENSITIVE OUTDOOR VEGETATION MAY BE 
  DAMAGED OR KILLED 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.

&&

$$
135 
WWUS73 KMPX 310845
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
345 AM CDT SUN MAY 31 2015

...PATCHY FROST FOR PARTS OF CENTRAL MINNESOTA AND WEST CENTRAL
WISCONSIN EARLY THIS MORNING...

.A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM THIS MORNING FOR
LOCATIONS MAINLY ALONG AND NORTH OF INTERSTATE 94 IN CENTRAL
MINNESOTA AND WEST CENTRAL WISCONSIN.

MNZ042>045-049>053-061-063-WIZ014>016-023-025-027-028-311300-
/O.CON.KMPX.FR.Y.0004.000000T0000Z-150531T1300Z/
TODD-MORRISON-MILLE LACS-KANABEC-STEARNS-BENTON-SHERBURNE-ISANTI-
CHISAGO-ANOKA-WASHINGTON-POLK-BARRON-RUSK-ST. CROIX-DUNN-CHIPPEWA-
EAU CLAIRE-
INCLUDING THE CITIES OF...LONG PRAIRIE...LITTLE FALLS...
PRINCETON...MORA...ST. CLOUD...FOLEY...ELK RIVER...CAMBRIDGE...
CENTER CITY...BLAINE...STILLWATER...OSCEOLA...RICE LAKE...
LADYSMITH...HUDSON...MENOMONIE...CHIPPEWA FALLS...EAU CLAIRE
345 AM CDT SUN MAY 31 2015

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

* TEMPERATURE...LOWS BETWEEN 32 AND 38.

* IMPACTS...TEMPERATURE SENSITIVE OUTDOOR VEGETATION MAY BE 
  DAMAGED OR KILLED 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.

&&

$$
962 
WWUS73 KMPX 311215
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
715 AM CDT SUN MAY 31 2015

...TEMPERATURES WARMING QUICKLY...

.THE FROST ADVISORY HAS BEEN CANCELLED. 

MNZ042>045-049>053-061-063-WIZ014>016-023-025-027-028-311315-
/O.CAN.KMPX.FR.Y.0004.000000T0000Z-150531T1300Z/
TODD-MORRISON-MILLE LACS-KANABEC-STEARNS-BENTON-SHERBURNE-ISANTI-
CHISAGO-ANOKA-WASHINGTON-POLK-BARRON-RUSK-ST. CROIX-DUNN-CHIPPEWA-
EAU CLAIRE-
INCLUDING THE CITIES OF...LONG PRAIRIE...LITTLE FALLS...
PRINCETON...MORA...ST. CLOUD...FOLEY...ELK RIVER...CAMBRIDGE...
CENTER CITY...BLAINE...STILLWATER...OSCEOLA...RICE LAKE...
LADYSMITH...HUDSON...MENOMONIE...CHIPPEWA FALLS...EAU CLAIRE
715 AM CDT SUN MAY 31 2015

...FROST ADVISORY IS CANCELLED...

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

$$

BORGHOFF

Nearby

Frost Advisories in Minnesota, 2015Frost Advisories in Wisconsin, 2015Every frost advisory in 2015

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.