Alert archive / Minnesota / Excessive Heat Warnings in 2020

Excessive Heat Warning 2, NWS Twin Cities, MN

July 17, 202020 counties in Minnesota

NWS Twin Cities, MN issued this excessive heat warning at Jul 17, 2020, 2:24 PM CDT for 20 counties in Minnesota. It took effect at Jul 18, 2020, 11:00 AM CDT. It was in force for 10 hr. 11 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 17, 2020, 2:24 PM CDT (19:24 UTC)
In effect from
Jul 18, 2020, 11:00 AM CDT
Expired
Jul 18, 2020, 9:00 PM CDT
In force
10 hr
Issued by
NWS Twin Cities, MN

Counties Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Dakota County, MN, Hennepin County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Nicollet County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 43 km from the middle of the area, began a volume at 19:27 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.

What was reported inside it

TimeReportWhereRemark
Jul 18, 4:55 PM CDTHAIL 0.71 Nw Rogers, MN
Jul 18, 5:50 PM CDTHAIL 1Ham Lake, MNVIDEO ON TWITTER.
Jul 18, 5:55 PM CDTTSTM WND DMG1 Ese Coon Rapids, MNA LARGE TREE WERE BLOWN DOWN NEAR THE INTERSECTION OF 99TH AVE NE, AND CLOVERLEAF PARK.
Jul 18, 6:00 PM CDTHAIL 12 Ne Blaine, MNPICTURE ON FACEBOOK.
Jul 18, 6:10 PM CDTHAIL 0.883 W Forest Lake, MNPICTURE ON TWITTER.
Jul 18, 6:12 PM CDTHAIL 1Forest Lake, MN
Jul 18, 6:18 PM CDTHAIL 14 Sw Forest Lake, MN
Jul 18, 6:20 PM CDTHAIL 12 Ssw Forest Lake, MN
Jul 18, 6:23 PM CDTHAIL 2Forest Lake, MNPICTURE ON TWITTER. SEVERAL LARGE STONES.
Jul 18, 6:35 PM CDTHAIL 1.51 S Scandia, MNHAIL WAS PHOTOGRAPHED WITH A RULER.
Jul 18, 6:35 PM CDTHAIL 23 Wsw Scandia, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.4 hours before the alert went out and 41 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 2020-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1028 joules per kilogram.LCLLFCEL10008507005003002001001 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 2020-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 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
1028 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

441 
WWUS73 KMPX 171924
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
224 PM CDT Fri Jul 17 2020

MNZ060-062-065>070-073>077-082>084-091-180330-
/O.UPG.KMPX.EH.A.0001.200718T1600Z-200719T0200Z/
/O.NEW.KMPX.EH.W.0002.200718T1600Z-200719T0200Z/
Hennepin-Ramsey-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Watonwan-Blue Earth-Waseca-
Martin-
Including the cities of Minneapolis, St Paul, Olivia, Hutchinson,
Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, 
Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, St James, 
Mankato, Waseca, and Fairmont
224 PM CDT Fri Jul 17 2020

...EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM TO 9 PM CDT
SATURDAY...

* WHAT...Dangerously hot conditions with heat index values up to
  108 expected.

* WHERE...Portions of central, east central, south central and 
  southwest Minnesota.

* WHEN...From 11 AM to 9 PM CDT Saturday.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

MNZ051>053-058-059-061-063-064-078-085-092-093-WIZ023>028-180330-
/O.UPG.KMPX.EH.A.0001.200718T1600Z-200719T0200Z/
/O.NEW.KMPX.HT.Y.0006.200718T1600Z-200719T0200Z/
Sherburne-Isanti-Chisago-Meeker-Wright-Anoka-Washington-
Yellow Medicine-Goodhue-Steele-Faribault-Freeborn-St. Croix-
Pierce-Dunn-Pepin-Chippewa-Eau Claire-
Including the cities of Elk River, Cambridge, Center City, 
Litchfield, Monticello, Blaine, Stillwater, Granite Falls, 
Red Wing, Owatonna, Blue Earth, Albert Lea, Hudson, River Falls, 
Menomonie, Durand, Chippewa Falls, and Eau Claire
224 PM CDT Fri Jul 17 2020

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 9 PM CDT SATURDAY...

* WHAT...Heat index values up to 104 expected.

* WHERE...Portions of west central Wisconsin and central, east 
  central, south central, southeast and west central Minnesota.

* WHEN...From 11 AM to 9 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

MNZ054-056-057-180330-
/O.NEW.KMPX.HT.Y.0006.200718T1600Z-200719T0200Z/
Lac Qui Parle-Chippewa-Kandiyohi-
Including the cities of Madison, Montevideo, and Willmar
224 PM CDT Fri Jul 17 2020

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 9 PM CDT SATURDAY...

* WHAT...Heat index values up to 102 expected.

* WHERE...Lac Qui Parle, Chippewa and Kandiyohi Counties.

* WHEN...From 11 AM to 9 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$
6 follow-up statements
250 
WWUS73 KMPX 171935
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
235 PM CDT Fri Jul 17 2020

MNZ060-062-065>070-073>077-082>084-091-180500-
/O.CON.KMPX.EH.W.0002.200718T1600Z-200719T0200Z/
Hennepin-Ramsey-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Watonwan-Blue Earth-Waseca-
Martin-
Including the cities of Minneapolis, St Paul, Olivia, Hutchinson,
Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, 
Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, St James, 
Mankato, Waseca, and Fairmont
235 PM CDT Fri Jul 17 2020

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM
CDT SATURDAY...

* WHAT...Dangerously hot conditions with heat index values up to 
  108 expected.

* WHERE...Portions of central, east central, south central and 
  southwest Minnesota.

* WHEN...From 11 AM to 9 PM CDT Saturday.

* IMPACTS...Extreme heat and humidity will significantly increase
  the potential for heat related illnesses, particularly for those
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

MNZ051>054-056>059-061-063-064-078-085-092-093-WIZ023>028-180500-
/O.CON.KMPX.HT.Y.0006.200718T1600Z-200719T0200Z/
Sherburne-Isanti-Chisago-Lac Qui Parle-Chippewa-Kandiyohi-Meeker-
Wright-Anoka-Washington-Yellow Medicine-Goodhue-Steele-Faribault-
Freeborn-St. Croix-Pierce-Dunn-Pepin-Eau Claire-
Including the cities of Elk River, Cambridge, Center City, 
Madison, Montevideo, Willmar, Litchfield, Monticello, Blaine, 
Stillwater, Granite Falls, Red Wing, Owatonna, Blue Earth, 
Albert Lea, Hudson, River Falls, Menomonie, Durand, 
Chippewa Falls, and Eau Claire
235 PM CDT Fri Jul 17 2020

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT
SATURDAY...

* WHAT...Heat index values up to 104 expected.

* WHERE...Portions of west central Wisconsin and central, east 
  central, south central, southeast and west central Minnesota.

* WHEN...From 11 AM to 9 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$
739 
WWUS73 KMPX 180149
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
849 PM CDT Fri Jul 17 2020

MNZ060-062-065>070-073>077-082>084-091-181100-
/O.CON.KMPX.EH.W.0002.200718T1600Z-200719T0200Z/
Hennepin-Ramsey-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Watonwan-Blue Earth-Waseca-
Martin-
Including the cities of Minneapolis, St Paul, Olivia, Hutchinson,
Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, 
Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, St James, 
Mankato, Waseca, and Fairmont
849 PM CDT Fri Jul 17 2020

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM
CDT SATURDAY...

* WHAT...Dangerously hot conditions with heat index values up to 
  108 expected.

* WHERE...Portions of central, east central, south central and 
  southwest Minnesota.

* WHEN...From 11 AM to 9 PM CDT Saturday.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

MNZ051>054-056>059-061-063-064-078-085-092-093-WIZ023>028-181100-
/O.CON.KMPX.HT.Y.0006.200718T1600Z-200719T0200Z/
Sherburne-Isanti-Chisago-Lac Qui Parle-Chippewa-Kandiyohi-Meeker-
Wright-Anoka-Washington-Yellow Medicine-Goodhue-Steele-Faribault-
Freeborn-St. Croix-Pierce-Dunn-Pepin-Eau Claire-
Including the cities of Elk River, Cambridge, Center City, 
Madison, Montevideo, Willmar, Litchfield, Monticello, Blaine, 
Stillwater, Granite Falls, Red Wing, Owatonna, Blue Earth, 
Albert Lea, Hudson, River Falls, Menomonie, Durand, 
Chippewa Falls, and Eau Claire
849 PM CDT Fri Jul 17 2020

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT
SATURDAY...

* WHAT...Heat index values up to 104 expected.

* WHERE...Portions of west central Wisconsin and central, east 
  central, south central, southeast and west central Minnesota.

* WHEN...From 11 AM to 9 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$
696 
WWUS73 KMPX 180920
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
420 AM CDT Sat Jul 18 2020

MNZ059-061-063-181730-
/O.UPG.KMPX.HT.Y.0006.200718T1600Z-200719T0200Z/
/O.EXA.KMPX.EH.W.0002.200718T1600Z-200719T0200Z/
Wright-Anoka-Washington-
Including the cities of Monticello, Blaine, and Stillwater
420 AM CDT Sat Jul 18 2020

...EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM THIS MORNING TO
9 PM CDT THIS EVENING...

* WHAT...Dangerously hot conditions with heat index values up to
  110 expected.

* WHERE...Wright, Anoka and Washington Counties.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

MNZ060-062-065>070-073>077-082>084-091-181730-
/O.CON.KMPX.EH.W.0002.200718T1600Z-200719T0200Z/
Hennepin-Ramsey-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Watonwan-Blue Earth-Waseca-
Martin-
Including the cities of Minneapolis, St Paul, Olivia, Hutchinson,
Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, 
Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, St James, 
Mankato, Waseca, and Fairmont
420 AM CDT Sat Jul 18 2020

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 9 PM CDT THIS EVENING...

* WHAT...Dangerously hot conditions with heat index values up to
  110 expected.

* WHERE...Portions of central, east central, south central and 
  southwest Minnesota.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

MNZ051>054-056>058-064-078-085-092-093-WIZ023>028-181730-
/O.CON.KMPX.HT.Y.0006.200718T1600Z-200719T0200Z/
Sherburne-Isanti-Chisago-Lac Qui Parle-Chippewa-Kandiyohi-Meeker-
Yellow Medicine-Goodhue-Steele-Faribault-Freeborn-St. Croix-
Pierce-Dunn-Pepin-Eau Claire-
Including the cities of Elk River, Cambridge, Center City, 
Madison, Montevideo, Willmar, Litchfield, Granite Falls, 
Red Wing, Owatonna, Blue Earth, Albert Lea, Hudson, River Falls, 
Menomonie, Durand, Chippewa Falls, and Eau Claire
420 AM CDT Sat Jul 18 2020

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM CDT THIS EVENING...

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of west central Wisconsin and central, east 
  central, south central, southeast and west central Minnesota.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$
805 
WWUS73 KMPX 180926
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
426 AM CDT Sat Jul 18 2020

MNZ059>063-065>070-073>077-082>084-091-181730-
/O.CON.KMPX.EH.W.0002.200718T1600Z-200719T0200Z/
Wright-Hennepin-Anoka-Ramsey-Washington-Renville-McLeod-Sibley-
Carver-Scott-Dakota-Redwood-Brown-Nicollet-Le Sueur-Rice-Watonwan-
Blue Earth-Waseca-Martin-
Including the cities of Monticello, Minneapolis, Blaine, St Paul,
Stillwater, Olivia, Hutchinson, Gaylord, Chanhassen, Chaska, 
Victoria, Shakopee, Hastings, Redwood Falls, New Ulm, St Peter, 
Le Sueur, Faribault, St James, Mankato, Waseca, and Fairmont
426 AM CDT Sat Jul 18 2020

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 9 PM CDT THIS EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 
  110 expected.

* WHERE...Portions of central, east central, south central and 
  southwest Minnesota.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible
and drink plenty of water.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location.  Heat stroke is an
emergency, call 9 1 1.

An Excessive Heat Warning means that a prolonged period of
dangerously hot temperatures will occur. The combination of hot
temperatures and high humidity will combine to create a dangerous
situation in which heat illnesses are likely. Drink plenty of
fluids, stay in an air-conditioned room, stay out of the sun, and
check up on relatives and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

MNZ051>054-056>058-064-078-085-092-093-WIZ023>028-181730-
/O.CON.KMPX.HT.Y.0006.200718T1600Z-200719T0200Z/
Sherburne-Isanti-Chisago-Lac Qui Parle-Chippewa-Kandiyohi-Meeker-
Yellow Medicine-Goodhue-Steele-Faribault-Freeborn-St. Croix-
Pierce-Dunn-Pepin-Eau Claire-
Including the cities of Elk River, Cambridge, Center City, 
Madison, Montevideo, Willmar, Litchfield, Granite Falls, 
Red Wing, Owatonna, Blue Earth, Albert Lea, Hudson, River Falls, 
Menomonie, Durand, Chippewa Falls, and Eau Claire
426 AM CDT Sat Jul 18 2020

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM CDT THIS EVENING...

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of west central Wisconsin and central, east 
  central, south central, southeast and west central Minnesota.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check up on relatives and
neighbors.

Take extra precautions...if you work or spend time outside. When
possible...reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when possible
and drink plenty of water.

To reduce risk during outdoor work...the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location.   Heat stroke is an
emergency...call 9 1 1.

&&

$$
182 
WWUS73 KMPX 181709
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
1209 PM CDT Sat Jul 18 2020

MNZ059>063-065>070-073>077-082>084-091-190200-
/O.CON.KMPX.EH.W.0002.000000T0000Z-200719T0200Z/
Wright-Hennepin-Anoka-Ramsey-Washington-Renville-McLeod-Sibley-
Carver-Scott-Dakota-Redwood-Brown-Nicollet-Le Sueur-Rice-Watonwan-
Blue Earth-Waseca-Martin-
Including the cities of Monticello, Minneapolis, Blaine, St Paul,
Stillwater, Olivia, Hutchinson, Gaylord, Chanhassen, Chaska, 
Victoria, Shakopee, Hastings, Redwood Falls, New Ulm, St Peter, 
Le Sueur, Faribault, St James, Mankato, Waseca, and Fairmont
1209 PM CDT Sat Jul 18 2020

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 
  110 expected.

* WHERE...Portions of central, east central, south central and 
  southwest Minnesota.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

MNZ051>054-056>058-064-078-085-092-093-WIZ023>028-190200-
/O.CON.KMPX.HT.Y.0006.000000T0000Z-200719T0200Z/
Sherburne-Isanti-Chisago-Lac Qui Parle-Chippewa-Kandiyohi-Meeker-
Yellow Medicine-Goodhue-Steele-Faribault-Freeborn-St. Croix-
Pierce-Dunn-Pepin-Eau Claire-
Including the cities of Elk River, Cambridge, Center City, 
Madison, Montevideo, Willmar, Litchfield, Granite Falls, 
Red Wing, Owatonna, Blue Earth, Albert Lea, Hudson, River Falls, 
Menomonie, Durand, Chippewa Falls, and Eau Claire
1209 PM CDT Sat Jul 18 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of west central Wisconsin and central, east 
  central, south central, southeast and west central Minnesota.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$
419 
WWUS73 KMPX 190009
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
709 PM CDT Sat Jul 18 2020

MNZ065-073-190115-
/O.CAN.KMPX.EH.W.0002.000000T0000Z-200719T0200Z/
Renville-Redwood-
Including the cities of Olivia and Redwood Falls
709 PM CDT Sat Jul 18 2020

...EXCESSIVE HEAT WARNING IS CANCELLED...

Heat indices have fallen below critical thresholds so the
Excessive Heat Warning has been cancelled. 

$$

MNZ051>054-056>058-064-190115-
/O.CAN.KMPX.HT.Y.0006.000000T0000Z-200719T0200Z/
Sherburne-Isanti-Chisago-Lac Qui Parle-Chippewa-Kandiyohi-Meeker-
Yellow Medicine-
Including the cities of Elk River, Cambridge, Center City, 
Madison, Montevideo, Willmar, Litchfield, and Granite Falls
709 PM CDT Sat Jul 18 2020

...HEAT ADVISORY IS CANCELLED...

Heat indices have fallen below critical thresholds so the Heat
Advisory has been cancelled.

$$

MNZ059>063-066>070-074>077-082>084-091-190200-
/O.CON.KMPX.EH.W.0002.000000T0000Z-200719T0200Z/
Wright-Hennepin-Anoka-Ramsey-Washington-McLeod-Sibley-Carver-
Scott-Dakota-Brown-Nicollet-Le Sueur-Rice-Watonwan-Blue Earth-
Waseca-Martin-
Including the cities of Monticello, Minneapolis, Blaine, St Paul,
Stillwater, Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, 
Shakopee, Hastings, New Ulm, St Peter, Le Sueur, Faribault, 
St James, Mankato, Waseca, and Fairmont
709 PM CDT Sat Jul 18 2020

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to
  105 expected.

* WHERE...Portions of central, east central, south central and 
  southwest Minnesota.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

MNZ078-085-092-093-WIZ023>028-190200-
/O.CON.KMPX.HT.Y.0006.000000T0000Z-200719T0200Z/
Goodhue-Steele-Faribault-Freeborn-St. Croix-Pierce-Dunn-Pepin-
Chippewa-Eau Claire-
Including the cities of Red Wing, Owatonna, Blue Earth, 
Albert Lea, Hudson, River Falls, Menomonie, Durand, 
Chippewa Falls, and Eau Claire
709 PM CDT Sat Jul 18 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of west central Wisconsin and central, east 
  central, south central, southeast and west central Minnesota.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 2:24 PM CDTHeat AdvisoryMPXAnoka, Chippewa, Chisago, Faribault, Freeborn, Goodhue and 9 more31 hr

Nearby

Excessive Heat Warnings in Minnesota, 2020Every excessive heat warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.