Alert archive / Minnesota / Freeze Warnings in 2015

Freeze Warning 2, NWS Twin Cities, MN

October 15, 20158 counties in Minnesota

NWS Twin Cities, MN issued this freeze warning at Oct 15, 2015, 2:45 PM CDT for 8 counties in Minnesota. It took effect at Oct 16, 2015, 1:00 AM CDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 15, 2015, 2:45 PM CDT (19:45 UTC)
In effect from
Oct 16, 2015, 1:00 AM CDT
Expired
Oct 16, 2015, 9:00 AM CDT
In force
8 hr
Issued by
NWS Twin Cities, MN

Counties Chippewa County, MN, Douglas County, MN, Lac qui Parle County, MN, Pope County, MN, Redwood County, MN, Stevens County, MN, Swift County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 170 km from the middle of the area, began a volume at 19:50 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, 7.8 hours before the alert went out and 168 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 2015-10-15Temperature 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 2015-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939587897117Sfc1 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
2306 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
72 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.

335 
WWUS73 KMPX 151945
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
245 PM CDT THU OCT 15 2015

...FREEZING TEMPERATURES EXPECTED TONIGHT...

.NORTHWEST WINDS WILL BRING COOL AIR ACROSS THE REGION. OVERNIGHT
LOWS WILL DROP INTO THE UPPER 20S TO NEAR 30. TEMPERATURES WILL
WARM INTO THE 40S ON FRIDAY.

MNZ041-047-048-054>056-064-073-160345-
/O.NEW.KMPX.FZ.W.0002.151016T0600Z-151016T1400Z/
DOUGLAS-STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-YELLOW MEDICINE-
REDWOOD-
INCLUDING THE CITIES OF...ALEXANDRIA...MORRIS...GLENWOOD...
MADISON...BENSON...MONTEVIDEO...GRANITE FALLS...REDWOOD FALLS
245 PM CDT THU OCT 15 2015

...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT
FRIDAY. 

* TEMPERATURE...28 TO 32

* IMPACTS...UNPROTECTED PLANTS WILL BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

JRB
2 follow-up statements
844 
WWUS73 KMPX 160205
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
905 PM CDT THU OCT 15 2015

...FREEZING TEMPERATURES EXPECTED TONIGHT...

.NORTHWEST WINDS WILL BRING COOL AIR ACROSS THE REGION. OVERNIGHT
LOWS WILL DROP INTO THE UPPER 20S TO LOWER 30S. 

MNZ041-047-048-054>056-064-073-161045-
/O.CON.KMPX.FZ.W.0002.151016T0600Z-151016T1400Z/
DOUGLAS-STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-YELLOW MEDICINE-
REDWOOD-
INCLUDING THE CITIES OF...ALEXANDRIA...MORRIS...GLENWOOD...
MADISON...BENSON...MONTEVIDEO...GRANITE FALLS...REDWOOD FALLS
905 PM CDT THU OCT 15 2015

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT
FRIDAY...

* TEMPERATURES...28 TO 32.

* IMPACTS...UNPROTECTED PLANTS WILL BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

BORGHOFF
636 
WWUS73 KMPX 160833
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
333 AM CDT FRI OCT 16 2015

...FREEZING TEMPERATURES EXPECTED TONIGHT...

.THE COLDEST NIGHT OF THE FALL IS EXPECTED TONIGHT WITH OVERNIGHT
LOWS FALLING INTO THE 20S AND LOWER 30S.

MNZ049-051-057>063-065>070-074>078-082>085-091>093-WIZ024-026-
161645-
/O.NEW.KMPX.FZ.W.0003.151017T0300Z-151017T1400Z/
STEARNS-SHERBURNE-KANDIYOHI-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-
WASHINGTON-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-BROWN-
NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-STEELE-
MARTIN-FARIBAULT-FREEBORN-PIERCE-PEPIN-
INCLUDING THE CITIES OF...ST. CLOUD...ELK RIVER...WILLMAR...
LITCHFIELD...MONTICELLO...MINNEAPOLIS...BLAINE...ST. PAUL...
STILLWATER...OLIVIA...HUTCHINSON...GAYLORD...CHASKA...SHAKOPEE...
HASTINGS...NEW ULM...ST. PETER...LE SUEUR...FARIBAULT...
RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...
BLUE EARTH...ALBERT LEA...PRESCOTT...DURAND
333 AM CDT FRI OCT 16 2015

...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 9 AM CDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FREEZE WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM CDT SATURDAY. 

* TEMPERATURE...20 TO 30.

* IMPACTS...UNPROTECTED PLANTS WILL BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

MNZ041-047-048-054>056-064-073-161400-
/O.CON.KMPX.FZ.W.0002.000000T0000Z-151016T1400Z/
DOUGLAS-STEVENS-POPE-LAC QUI PARLE-SWIFT-CHIPPEWA-YELLOW MEDICINE-
REDWOOD-
INCLUDING THE CITIES OF...ALEXANDRIA...MORRIS...GLENWOOD...
MADISON...BENSON...MONTEVIDEO...GRANITE FALLS...REDWOOD FALLS
333 AM CDT FRI OCT 16 2015

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* TEMPERATURES...28 TO 32.

* IMPACTS...UNPROTECTED PLANTS WILL BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 4:04 AM CDTRed Flag WarningMPXBlue Earth, Brown, Faribault, Freeborn, Lac qui Parle, Martin and 4 more15 hr

Nearby

Freeze Warnings in Minnesota, 2015Every freeze warning 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.