Alert archive / Wisconsin / Frost Advisories in 2016

Frost Advisory 1, NWS Twin Cities, MN

May 4, 2016Chippewa County, Eau Claire County, Rusk County, Wisconsin

NWS Twin Cities, MN issued this frost advisory at May 4, 2016, 2:45 AM CDT for Chippewa County, Eau Claire County, Rusk County, Wisconsin. It took effect at May 5, 2016, 3:00 AM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 4, 2016, 2:45 AM CDT (07:45 UTC)
In effect from
May 5, 2016, 3:00 AM CDT
Expired
May 5, 2016, 7:00 AM CDT
In force
4 hr
Issued by
NWS Twin Cities, MN

Counties Chippewa County, WI, Eau Claire County, WI, Rusk County, WI

The radar

The La Crosse radar (KARX), 141 km from the middle of the area, began a volume at 07:51 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 00:00Z, 7.8 hours before the alert went out and 188 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 00:00Z on 2016-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 00:00Z on 2016-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
54 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
2337 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

919 
WWUS73 KMPX 040745
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
245 AM CDT WED MAY 4 2016

WIZ016-027-028-041545-
/O.NEW.KMPX.FR.Y.0001.160505T0800Z-160505T1200Z/
RUSK-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...LADYSMITH...CHIPPEWA FALLS...EAU CLAIRE
245 AM CDT WED MAY 4 2016

...FROST ADVISORY IN EFFECT FROM 3 AM TO 7 AM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 7 AM CDT
THURSDAY. 

* TEMPERATURE...TEMPERATURES WILL DROP TO BETWEEN 33 AND 36
  DEGREES EARLY THURSDAY MORNING.

* IMPACTS...UNPROTECTED AND SENSITIVE OUTDOOR PLANTS MAY BE
  DAMAGED OR KILLED IF LEFT UNATTENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
4 follow-up statements
348 
WWUS73 KMPX 041545
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1045 AM CDT WED MAY 4 2016

...FROST EXPECTED TONIGHT IN PORTIONS OF WEST CENTRAL WISCONSIN...

WIZ016-027-028-042345-
/O.CON.KMPX.FR.Y.0001.160505T0800Z-160505T1200Z/
RUSK-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...LADYSMITH...CHIPPEWA FALLS...EAU CLAIRE
1045 AM CDT WED MAY 4 2016

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 AM CDT
THURSDAY...

* TEMPERATURE...TEMPERATURES WILL DROP TO BETWEEN 33 AND 36 
  DEGREES EARLY THURSDAY MORNING. 

* IMPACTS...UNPROTECTED AND SENSITIVE OUTDOOR PLANTS MAY BE 
  DAMAGED OR KILLED DUE TO FROST IF LEFT UNATTENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
914 
WWUS73 KMPX 050338
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1038 PM CDT WED MAY 4 2016

...FROST EXPECTED TONIGHT IN PORTIONS OF WEST CENTRAL WISCONSIN...

WIZ016-027-028-051145-
/O.CON.KMPX.FR.Y.0001.160505T0800Z-160505T1200Z/
RUSK-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...LADYSMITH...CHIPPEWA FALLS...EAU CLAIRE
1038 PM CDT WED MAY 4 2016

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 AM CDT
THURSDAY...

* TEMPERATURE...BETWEEN 33 AND 36 DEGREES EARLY THURSDAY MORNING.

* IMPACTS...UNPROTECTED AND SENSITIVE OUTDOOR PLANTS MAY BE 
  DAMAGED OR KILLED DUE TO FROST IF LEFT UNATTENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JRB
279 
WWUS73 KMPX 050721
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
221 AM CDT THU MAY 5 2016

WIZ016-027-028-051200-
/O.CON.KMPX.FR.Y.0001.160505T0800Z-160505T1200Z/
RUSK-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...LADYSMITH...CHIPPEWA FALLS...EAU CLAIRE
221 AM CDT THU MAY 5 2016

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

* TEMPERATURE...DROPPING TO BETWEEN 32 AND 35 DEGREES THIS
  MORNING.

* IMPACTS...UNPROTECTED AND SENSITIVE OUTDOOR PLANTS MAY BE 
  DAMAGED OR KILLED DUE TO FROST IF LEFT UNATTENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
749 
WWUS73 KMPX 051212
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
712 AM CDT THU MAY 5 2016

WIZ016-027-028-051315-
/O.EXP.KMPX.FR.Y.0001.000000T0000Z-160505T1200Z/
RUSK-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...LADYSMITH...CHIPPEWA FALLS...EAU CLAIRE
712 AM CDT THU MAY 5 2016

...FROST ADVISORY WILL EXPIRE AT 7 AM CDT THIS MORNING...

TEMPERATURES ARE EXPECTED TO RISE RAPIDLY OVER THE NEXT FEW
HOURS...ALLOWING THE FROST THREAT TO DIMINISH. THEREFORE... THE
FROST ADVISORY IS BEING ALLOWED TO EXPIRE AT 7 AM CDT.

$$

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.