Alert archive / Minnesota / Frost Advisories in 2008

Frost Advisory 4, NWS Twin Cities, MN

October 3, 20084 counties in Wisconsin; 17 counties in Minnesota

NWS Twin Cities, MN issued this frost advisory at Oct 3, 2008, 3:24 PM CDT for 4 counties in Wisconsin; 17 counties in Minnesota. It took effect at Oct 3, 2008, 6:48 PM CDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Oct 3, 2008, 3:24 PM CDT (20:24 UTC)
In effect from
Oct 3, 2008, 6:48 PM CDT
Expired
Oct 4, 2008, 8:00 AM CDT
In force
13 hr
Issued by
NWS Twin Cities, MN
All 21 counties

Anoka County, MN, Carver County, MN, Dakota County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Wright County, MN, Dunn County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.4 hours before the alert went out and 32 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 2008-10-03Temperature 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 2008-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
1086 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
56 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.

000 
WWUS73 KMPX 032024
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
324 PM CDT FRI OCT 3 2008

...FROST ADVISORY PARTS OF WEST CENTRAL WISCONSIN AND SOUTHEAST
MINNESOTA...

.HIGH PRESSURE AND CLEAR SKIES WILL ALLOW TEMPERATURES TO DROP
INTO THE UPPER 20S TO MIDDLE 30S. ALTHOUGH SOME PATCHY FROST MAY
HAVE ALREADY OCCURRED...WIDESPREAD FROST IS MORE LIKELY TONIGHT.
THE FROST ADVISORY INCLUDES AREAS EAST OF A LINE FROM STILLWATER
TO CANNON FALLS AND KENYON.

MNZ078-WIZ023>026-040430-
/O.NEW.KMPX.FR.Y.0004.081004T0700Z-081004T1300Z/
GOODHUE-ST. CROIX-PIERCE-DUNN-PEPIN-
INCLUDING THE CITIES OF...RED WING...HUDSON...NEW RICHMOND...
RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND...PEPIN
324 PM CDT FRI OCT 3 2008

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM CDT
SATURDAY. 

EXPECT WIDESPREAD FROST TONIGHT AS TEMPERATURES TO DROP INTO THE
UPPER 20S TO MIDDLE 30S. HIGH PRESSURE WILL SETTLE OVER THE AREA
TONIGHT ALLOWING FOR CLEAR SKIES AND LIGHT WINDS.

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

$$
2 follow-up statements
000 
WWUS73 KMPX 032348
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
648 PM CDT FRI OCT 3 2008

...FROST ADVISORY PARTS OF EAST CENTRAL AND SOUTH CENTRAL
MINNESOTA AND WEST CENTRAL WISCONSIN...

.HIGH PRESSURE AND CLEAR SKIES WILL ALLOW TEMPERATURES TO DROP
INTO THE UPPER 20S TO MIDDLE 30S. ALTHOUGH SOME PATCHY FROST MAY
HAVE ALREADY OCCURRED...WIDESPREAD FROST IS MORE LIKELY TONIGHT.
THE FROST ADVISORY INCLUDES AREAS EAST OF A LINE FROM LITCHFIELD...TO
WASECA AND ALBERT LEA. THIS INCLUDES THE SEVEN COUNTY TWIN CITIES
METRO AREA.

MNZ058>063-066>070-076-077-084-085-093-040800-
/O.EXA.KMPX.FR.Y.0004.081004T0700Z-081004T1300Z/
MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-MCLEOD-SIBLEY-
CARVER-SCOTT-DAKOTA-LE SUEUR-RICE-WASECA-STEELE-FREEBORN-
INCLUDING THE CITIES OF...LITCHFIELD...MONTICELLO...MINNEAPOLIS...
BLAINE...ST. PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA...
SHAKOPEE...BURNSVILLE...LE SUEUR...FARIBAULT...WASECA...
OWATONNA...ALBERT LEA
648 PM CDT FRI OCT 3 2008

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM CDT
SATURDAY. 

EXPECT AREAS OF FROST TONIGHT AS TEMPERATURES TO DROP INTO THE
MIDDLE 30S. HIGH PRESSURE WILL SETTLE OVER THE AREA TONIGHT
ALLOWING FOR CLEAR SKIES AND LIGHT WINDS.

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

$$

MNZ078-WIZ023>026-040800-
/O.CON.KMPX.FR.Y.0004.081004T0700Z-081004T1300Z/
GOODHUE-ST. CROIX-PIERCE-DUNN-PEPIN-
INCLUDING THE CITIES OF...RED WING...HUDSON...NEW RICHMOND...
RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND...PEPIN
648 PM CDT FRI OCT 3 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SATURDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SATURDAY. 

EXPECT WIDESPREAD FROST TONIGHT AS TEMPERATURES TO DROP INTO THE
UPPER 20S TO MIDDLE 30S. HIGH PRESSURE WILL SETTLE OVER THE AREA
TONIGHT ALLOWING FOR CLEAR SKIES AND LIGHT WINDS.

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

$$
000 
WWUS73 KMPX 040711
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
211 AM CDT SAT OCT 4 2008

...WIDESPREAD FROST THIS MORNING FOR PORTIONS OF EAST CENTRAL AND
SOUTH CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN...

.A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM THIS MORNING AND
INCLUDES AREAS EAST OF A LINE FROM LITCHFIELD...TO WASECA AND
ALBERT LEA. THIS INCLUDES THE SEVEN COUNTY TWIN CITIES
METROPOLITAN AREA.

HIGH PRESSURE AND CLEAR SKIES EARLY THIS MORNING HAVE ALLOWED
TEMPERATURES TO FALL INTO THE MIDDLE 30S. TEMPERATURES WILL BOTTOM
OUT IN THE UPPER 20S TO LOWER 30S BY DAYBREAK SATURDAY WITH
WIDESPREAD FROST OCCURRING.

MNZ058>063-066>070-076>078-084-085-093-WIZ023>026-041300-
/O.CON.KMPX.FR.Y.0004.000000T0000Z-081004T1300Z/
MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-MCLEOD-SIBLEY-
CARVER-SCOTT-DAKOTA-LE SUEUR-RICE-GOODHUE-WASECA-STEELE-FREEBORN-
ST. CROIX-PIERCE-DUNN-PEPIN-
INCLUDING THE CITIES OF...LITCHFIELD...MONTICELLO...MINNEAPOLIS...
BLAINE...ST. PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA...
SHAKOPEE...BURNSVILLE...LE SUEUR...FARIBAULT...RED WING...
WASECA...OWATONNA...ALBERT LEA...HUDSON...NEW RICHMOND...
RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND...PEPIN
211 AM CDT SAT OCT 4 2008

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

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

WIDESPREAD FROST WILL OCCUR THIS MORNING AS TEMPERATURES BOTTOM
OUT IN THE UPPER 20S TO LOWER 30S BY DAYBREAK SATURDAY.

SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.

$$

RAH

Nearby

Frost Advisories in Minnesota, 2008Frost Advisories in Wisconsin, 2008Every frost advisory in 2008

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.