Alert archive / Minnesota / Frost Advisories in 2015

Frost Advisory 9, NWS Twin Cities, MN

October 6, 20155 counties in Minnesota

NWS Twin Cities, MN issued this frost advisory at Oct 6, 2015, 2:58 PM CDT for 5 counties in Minnesota. It took effect at Oct 7, 2015, 12:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 6, 2015, 2:58 PM CDT (19:58 UTC)
In effect from
Oct 7, 2015, 12:00 AM CDT
Expired
Oct 7, 2015, 8:00 AM CDT
In force
8 hr
Issued by
NWS Twin Cities, MN

Counties Douglas County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 139 km from the middle of the area, began a volume at 20:03 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, 8.0 hours before the alert went out and 137 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 2015-10-06Temperature 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 2015-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.19395878Sfc1 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
1726 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
129 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.

352 
WWUS73 KMPX 061958
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
258 PM CDT TUE OCT 6 2015

...FROST EXPECTED IN PARTS OF CENTRAL MINNESOTA LATE TONIGHT
THROUGH EARLY WEDNESDAY MORNING...

.A FROST ADVISORY HAS BEEN ISSUED FOR PARTS OF CENTRAL MINNESOTA
LATE TONIGHT THROUGH EARLY TOMORROW MORNING. UNDER CLEAR
SKIES...TEMPERATURES ARE EXPECTED TO FALL INTO THE MID 30S IN THAT 
AREA.

MNZ041>045-070400-
/O.NEW.KMPX.FR.Y.0009.151007T0500Z-151007T1300Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA
258 PM CDT TUE OCT 6 2015

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

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

* TEMPERATURE...33 TO 37 DEGREES.

* IMPACTS...OUTDOOR PLANTS COULD BE DAMAGED OR KILLED IF NOT
  PROTECTED OR BROUGHT INDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
470 
WWUS73 KMPX 070347
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1047 PM CDT TUE OCT 6 2015

...FROST EXPECTED IN PARTS OF CENTRAL MINNESOTA LATE TONIGHT
THROUGH EARLY WEDNESDAY MORNING...

.A FROST ADVISORY HAS BEEN ISSUED FOR PARTS OF CENTRAL MINNESOTA
LATE TONIGHT THROUGH EARLY TOMORROW MORNING. UNDER CLEAR SKIES...
TEMPERATURES ARE EXPECTED TO FALL INTO THE MID 30S IN THAT AREA.

MNZ041>045-071200-
/O.CON.KMPX.FR.Y.0009.151007T0500Z-151007T1300Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA
1047 PM CDT TUE OCT 6 2015

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT WEDNESDAY...

* TEMPERATURE...33 TO 37 DEGREES.

* IMPACTS...OUTDOOR PLANTS COULD BE DAMAGED OR KILLED IF NOT 
  PROTECTED OR BROUGHT INDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
689 
WWUS73 KMPX 070826
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
326 AM CDT WED OCT 7 2015

...FROST EXPECTED IN PARTS OF CENTRAL MINNESOTA THIS MORNING...

.A FROST ADVISORY REMAINS IN EFFECT FOR PARTS OF CENTRAL
MINNESOTA THROUGH 8 AM THIS MORNING. UNDER CLEAR
SKIES...TEMPERATURES ARE EXPECTED TO HOLD IN THE 30S 
UNTIL AFTER SUNRISE.

MNZ041>045-071300-
/O.CON.KMPX.FR.Y.0009.000000T0000Z-151007T1300Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA
326 AM CDT WED OCT 7 2015

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

* TEMPERATURE...33 TO 37 DEGREES.

* IMPACTS...OUTDOOR PLANTS COULD BE DAMAGED OR KILLED IF NOT 
  PROTECTED OR BROUGHT INDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JLT
113 
WWUS73 KMPX 071258
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
758 AM CDT WED OCT 7 2015

...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING...

.TEMPERATURES WILL CONTINUE TO RISE AS THE MORNING PROGRESSES
UNDER MOSTLY SUNNY SKIES. THIS WILL END ANY LINGERING FROST THREAT
THIS MORNING. THEREFORE...THE FROST ADVISORY WILL BE ALLOWED TO
EXPIRE.

MNZ041>045-071400-
/O.EXP.KMPX.FR.Y.0009.000000T0000Z-151007T1300Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA
758 AM CDT WED OCT 7 2015

...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING...

TEMPERATURES WILL CONTINUE TO RISE AS THE MORNING PROGRESSES
UNDER MOSTLY SUNNY SKIES. THIS WILL END ANY LINGERING FROST THREAT
THIS MORNING. THEREFORE...THE FROST ADVISORY WILL BE ALLOWED TO
EXPIRE.

$$

Nearby

Frost Advisories in Minnesota, 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.