Alert archive / Wisconsin / Frost Advisories in 2016

Frost Advisory 2, NWS Milwaukee, WI

May 4, 2016Marquette County, Sauk County, Wisconsin

NWS Milwaukee, WI issued this frost advisory at May 4, 2016, 2:22 PM CDT for Marquette County, Sauk County, Wisconsin. It took effect at May 5, 2016, 2:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 4, 2016, 2:22 PM CDT (19:22 UTC)
In effect from
May 5, 2016, 2:00 AM CDT
Expired
May 5, 2016, 7:00 AM CDT
In force
5 hr
Issued by
NWS Milwaukee, WI

Counties Marquette County, WI, Sauk County, WI

The radar

The Milwaukee radar (KMKX), 117 km from the middle of the area, began a volume at 19:22 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.4 hours before the alert went out and 158 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, Green Bay/Straub, WI at 12:00Z on 2016-05-04Temperature 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, Green Bay/Straub, WI at 12:00Z on 2016-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

394 
WWUS73 KMKX 041922
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
222 PM CDT WED MAY 4 2016

...FROST POTENTIAL INCREASE LATER TONIGHT...

.A CHILLY AIRMASS WILL COMBINE WITH AN APPROACHING RIDGE OF HIGH
PRESSURE TO RESULT IN PARTS OF THE AREA SEEING SOME FROST DEVELOP.
THE APPROACHING HIGH WILL RESULT IN LIGHTER WINDS ARRIVING AND
ALSO CLEARING SKIES.

WIZ046-050330-
/O.NEW.KMKX.FR.Y.0002.160505T0700Z-160505T1200Z/
MARQUETTE-
INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD...
NESHKORO...ENDEAVOR
222 PM CDT WED MAY 4 2016

...FROST ADVISORY IN EFFECT FROM 2 AM TO 7 AM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 7 AM CDT
THURSDAY. 

* TIMING...LATER TONIGHT INTO EARLY THURSDAY

* TEMPERATURE...FALLING INTO THE MID TO UPPER 30S.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
COLLAR
2 follow-up statements
348 
WWUS73 KMKX 050208
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
908 PM CDT WED MAY 4 2016

...AREAS OF FROST EXPECTED LATE TONIGHT...

.A CHILLY AIRMASS WILL COMBINE WITH MOSTLY CLEAR SKIES AND
DIMINISHING WINDS TO RESULT IN PORTIONS OF SOUTH CENTRAL
WISCONSIN...MAINLY NORTHWEST AND NORTH OF MADISON...TO EXPERIENCE
AREAS OF LATE NIGHT FROST. OVERNIGHT TEMPERATURES WILL FALL INTO
THE MIDDLE 30S. 

WIZ056-051015-
/O.EXA.KMKX.FR.Y.0002.160505T0700Z-160505T1200Z/
SAUK-
INCLUDING THE CITIES OF...BARABOO...REEDSBURG...PRAIRIE DU SAC...
SAUK CITY
908 PM CDT WED MAY 4 2016

...FROST ADVISORY IN EFFECT FROM 2 AM TO 7 AM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 7 AM CDT
THURSDAY. 

* TIMING...LATER TONIGHT INTO EARLY THURSDAY

* TEMPERATURE...FALLING INTO THE MID 30S.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ046-051015-
/O.CON.KMKX.FR.Y.0002.160505T0700Z-160505T1200Z/
MARQUETTE-
INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD...
NESHKORO...ENDEAVOR
908 PM CDT WED MAY 4 2016

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM CDT
THURSDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM CDT
THURSDAY. 

* TIMING...LATE TONIGHT INTO EARLY THURSDAY

* TEMPERATURE...FALLING INTO THE MID 30S.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
MBK
128 
WWUS73 KMKX 050822
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
322 AM CDT THU MAY 5 2016

...AREAS OF FROST EXPECTED EARLY THIS MORNING...

.EARLY MORNING TEMPERATURES HAVE DROPPED INTO THE MID AND UPPER
30S AND MAY DROP ANOTHER DEGREE OR SO BEFORE RISING FOR THE DAY. 
SOME FROST IS STILL EXPECTED...BUT SHOULDN/T BE TOO WIDESPREAD. 

WIZ046-056-051200-
/O.CON.KMKX.FR.Y.0002.000000T0000Z-160505T1200Z/
MARQUETTE-SAUK-
INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD...
NESHKORO...ENDEAVOR...BARABOO...REEDSBURG...PRAIRIE DU SAC...
SAUK CITY
322 AM CDT THU MAY 5 2016

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

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

* TIMING...EARLY THIS MORNING. 

* TEMPERATURE...FALLING INTO THE MID AND UPPER 30S.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 3, 9:29 PM CDTSpecial Weather StatementMKXIowa46 min
May 3, 10:01 PM CDTSpecial Weather StatementMKXDane, Jefferson, Waukesha44 min
May 3, 10:13 PM CDTSpecial Weather StatementMKXIowa, Lafayette47 min
May 4, 2:54 AM CDTSmall Craft AdvisoryMKX30 hr

Nearby

Frost Advisories in Wisconsin, 2016Every frost advisory in 2016

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.