Alert archive / Indiana / Heat Advisories in 2021

Heat Advisory 2, NWS Indianapolis, IN

August 9, 20219 counties in Indiana

NWS Indianapolis, IN issued this heat advisory at Aug 9, 2021, 4:03 PM EDT for 9 counties in Indiana. It took effect at Aug 10, 2021, 1:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Aug 9, 2021, 4:03 PM EDT (20:03 UTC)
In effect from
Aug 10, 2021, 1:00 PM EDT
Expired
Aug 10, 2021, 8:00 PM EDT
In force
7 hr
Issued by
NWS Indianapolis, IN

Counties Carroll County, IN, Fountain County, IN, Knox County, IN, Parke County, IN, Sullivan County, IN, Tippecanoe County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 81 km from the middle of the area, began a volume at 20:03 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

Lincoln, IL (KILX), launched 12:00Z, 8.1 hours before the alert went out and 124 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, Lincoln, IL at 12:00Z on 2021-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 150 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, Lincoln, IL at 12:00Z on 2021-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 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
150 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
976 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

815 
WWUS73 KIND 092003
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
403 PM EDT Mon Aug 9 2021

INZ021-028-029-035-043-044-051-060-067-100415-
/O.NEW.KIND.HT.Y.0002.210810T1700Z-210811T0000Z/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-Parke-Vigo-Sullivan-
Knox-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Attica, Covington, 
Veedersburg, Clinton, Newport, Rockville, Terre Haute, Sullivan, 
and Vincennes
403 PM EDT Mon Aug 9 2021

...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM EDT TUESDAY...

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

* WHERE...Portions of northwest, west central, and southwestern
  central Indiana.

* WHEN...From 1 PM to 8 PM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High 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.

&&

$$
AGM
5 follow-up statements
070 
WWUS73 KIND 100148
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
948 PM EDT Mon Aug 9 2021

INZ021-028-029-035-043-044-051-060-067-101000-
/O.CON.KIND.HT.Y.0002.210810T1700Z-210811T0000Z/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-Parke-Vigo-Sullivan-
Knox-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Attica, Covington, 
Veedersburg, Clinton, Newport, Rockville, Terre Haute, Sullivan, 
and Vincennes
948 PM EDT Mon Aug 9 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM EDT
TUESDAY...

* WHAT...Heat index values up to 103 expected.

* WHERE...Parke, Vermillion, Vigo, Knox, Tippecanoe, Warren, 
  Sullivan, Fountain and Carroll Counties.

* WHEN...From 1 PM to 8 PM EDT Tuesday.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/ind
409 
WWUS73 KIND 100729
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
329 AM EDT Tue Aug 10 2021

INZ021-028-029-035-043-044-051-060-067-101530-
/O.CON.KIND.HT.Y.0002.210810T1700Z-210811T0000Z/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-Parke-Vigo-Sullivan-
Knox-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Attica, Covington, 
Veedersburg, Clinton, Newport, Rockville, Terre Haute, Sullivan, 
and Vincennes
329 AM EDT Tue Aug 10 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM EDT THIS EVENING...

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

* WHERE...Parke, Vermillion, Vigo, Knox, Tippecanoe, Warren, 
  Sullivan, Fountain and Carroll Counties.

* WHEN...From 1 PM this afternoon to 8 PM EDT 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/ind
444 
WWUS73 KIND 101429
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
1029 AM EDT Tue Aug 10 2021

INZ021-028-029-035-043-044-051-060-067-102230-
/O.CON.KIND.HT.Y.0002.210810T1700Z-210811T0000Z/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-Parke-Vigo-Sullivan-
Knox-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Attica, Covington, 
Veedersburg, Clinton, Newport, Rockville, Terre Haute, Sullivan, 
and Vincennes
1029 AM EDT Tue Aug 10 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 
PM EDT THIS EVENING...

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

* WHERE...Parke, Vermillion, Vigo, Knox, Tippecanoe, Warren, 
  Sullivan, Fountain and Carroll Counties.

* WHEN...From 1 PM this afternoon to 8 PM EDT 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/ind
453 
WWUS73 KIND 101952
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
352 PM EDT Tue Aug 10 2021

INZ021-028-029-035-043-044-051-060-067-110400-
/O.NEW.KIND.HT.Y.0003.210811T1700Z-210812T0000Z/
/O.CON.KIND.HT.Y.0002.000000T0000Z-210811T0000Z/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-Parke-Vigo-Sullivan-
Knox-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Attica, Covington, 
Veedersburg, Clinton, Newport, Rockville, Terre Haute, Sullivan, 
and Vincennes
352 PM EDT Tue Aug 10 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM EDT WEDNESDAY...

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

* WHERE...Parke, Vermillion, Vigo, Knox, Tippecanoe, Warren, 
  Sullivan, Fountain and Carroll Counties. 

* WHEN...Through 8 PM EDT 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.

&&

$$

INZ036-045-052-053-061-062-068>070-110400-
/O.NEW.KIND.HT.Y.0003.210811T1700Z-210812T0000Z/
Montgomery-Putnam-Clay-Owen-Greene-Monroe-Daviess-Martin-Lawrence-
Including the cities of Crawfordsville, Greencastle, Brazil, 
Clay City, Spencer, Linton, Bloomfield, Bloomington, Washington, 
Loogootee, Shoals, Bedford, and Mitchell
352 PM EDT Tue Aug 10 2021

...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM EDT WEDNESDAY...

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

* WHERE...Parke, Vermillion, Vigo, Knox, Tippecanoe, Warren,
  Sullivan, Fountain, Carroll, Montgomery, Putnam, Clay, Owen,
  Greene, Monroe, Daviess, Martin, and Lawrence Counties.
 
* WHEN...From 1 PM to 8 PM EDT Wednesday.

* 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.

&&

$$
AGM
854 
WWUS73 KIND 110005
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
805 PM EDT Tue Aug 10 2021

INZ021-028-029-035-043-044-051-060-067-110815-
/O.EXP.KIND.HT.Y.0002.000000T0000Z-210811T0000Z/
/O.CON.KIND.HT.Y.0003.210811T1700Z-210812T0000Z/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-Parke-Vigo-Sullivan-
Knox-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Attica, Covington, 
Veedersburg, Clinton, Newport, Rockville, Terre Haute, Sullivan, 
and Vincennes
805 PM EDT Tue Aug 10 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM EDT
WEDNESDAY...
...HEAT ADVISORY HAS EXPIRED...

* WHAT...Heat Index has expired.

* WHERE...Parke, Vermillion, Vigo, Knox, Tippecanoe, Warren, 
  Sullivan, Fountain and Carroll Counties. 

* WHEN...AT 8 PM EDT.

* 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.

&&

$$

INZ036-045-052-053-061-062-068>070-110815-
/O.CON.KIND.HT.Y.0003.210811T1700Z-210812T0000Z/
Montgomery-Putnam-Clay-Owen-Greene-Monroe-Daviess-Martin-Lawrence-
Including the cities of Crawfordsville, Greencastle, Brazil, 
Clay City, Spencer, Linton, Bloomfield, Bloomington, Washington, 
Loogootee, Shoals, Bedford, and Mitchell
805 PM EDT Tue Aug 10 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM EDT
WEDNESDAY...

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

* WHERE...Parke, Vermillion, Vigo, Knox, Tippecanoe, Warren, 
  Sullivan, Fountain, Carroll, Montgomery, Putnam, Clay, Owen, 
  Greene, Monroe, Daviess, Martin, and Lawrence Counties. 

* WHEN...From 1 PM to 8 PM EDT Wednesday.

* 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 Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 10:51 AM EDTAreal Flood AdvisoryINDDaviess, Knox, Martin, Sullivan4 hr

Nearby

Heat Advisories in Indiana, 2021Every heat advisory in 2021

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.