Alert archive / Indiana / Freeze Warnings in 2021

Freeze Warning 1, NWS Northern Indiana

April 19, 20214 counties in Michigan; 8 counties in Ohio; 21 counties in Indiana

NWS Northern Indiana issued this freeze warning at Apr 19, 2021, 3:40 PM EDT for 4 counties in Michigan; 8 counties in Ohio; 21 counties in Indiana. It took effect at Apr 20, 2021, 10:00 PM EDT. It was in force for 34 hr. 45 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
Apr 19, 2021, 3:40 PM EDT (19:40 UTC)
In effect from
Apr 20, 2021, 10:00 PM EDT
Expired
Apr 22, 2021, 8:00 AM EDT
In force
34 hr
Issued by
NWS Northern Indiana
All 33 counties

Adams County, IN, Allen County, IN, Blackford County, IN, Cass County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, LaGrange County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Pulaski County, IN, Starke County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN, Branch County, MI, Cass County, MI, Hillsdale County, MI, Saint Joseph County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 38 km from the middle of the area, began a volume at 19:43 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
Apr 20, 10:00 PM EDTSNOW 3Swayzee, IN.
Apr 20, 10:00 PM EDTSNOW 3Swayzee, IN
Apr 20, 10:09 PM EDTSNOW 2.35 Nnw New Haven, INSTORM TOTAL SO FAR.
Apr 20, 10:30 PM EDTSNOW 4Napoleon, OHUPDATES PREVIOUS SNOW REPORT FROM NAPOLEON. STORM TOTAL SO FAR.
Apr 20, 10:30 PM EDTSNOW 4.51 Ne Van Wert, OHUPDATES PREVIOUS SNOW REPORT FROM 1 NE VAN WERT. STILL SNOWING.
Apr 20, 10:30 PM EDTSNOW 55 N New Haven, INSTORM TOTAL SO FAR.
Apr 20, 10:43 PM EDTNON-TSTM WND DMGAngola, INLARGE LIMB DOWN ACROSS THE ROAD.
Apr 20, 10:50 PM EDTSNOW 3Columbus Grove, OHSTORM TOTAL SO FAR.
Apr 20, 11:00 PM EDTSNOW 3.5Holgate, OH
Apr 20, 11:00 PM EDTSNOW 42 Ene Miami, IN.
Apr 20, 11:00 PM EDTSNOW 42 Ene Miami, IN
Apr 20, 11:28 PM EDTSNOW 44 Nw Fort Wayne, IN.
Apr 20, 11:28 PM EDTSNOW 44 Nw Fort Wayne, IN
Apr 20, 11:30 PM EDTSNOW 5Convoy, OH.
Apr 20, 11:30 PM EDTSNOW 5Convoy, OH
Apr 20, 11:45 PM EDTSNOW 3.3Lima, OHCORRECTS PREVIOUS SNOW REPORT FROM LIMA (TIME CORRECTION).
Apr 21, 12:00 AM EDTSNOW 31 Wnw Columbia City, IN.
Apr 21, 12:00 AM EDTSNOW 31 Wnw Columbia City, IN
Apr 21, 12:15 AM EDTSNOW 5.51 N Marion, IN
Apr 21, 12:30 AM EDTSNOW 3.5Marion, IN
Apr 21, 12:38 AM EDTSNOW 4.83 Nw Fort Wayne, INSTORM TOTAL SNOW AT WANE TV.
Apr 21, 2:00 AM EDTSNOW 4.22 Ene Nine Mile, INSTORM TOTAL SNOWFALL.
Apr 21, 4:30 AM EDTSNOW 3.51 N Ottawa, OH
Apr 21, 6:20 AM EDTSNOW 3.32 Ene Salem Center, IN
Apr 21, 7:30 AM EDTSNOW 42 Ne Wallen, INSTORM TOTAL SNOW.
Apr 21, 7:30 AM EDTSNOW 4.5Monroeville, INSTORM TOTAL SNOW.
Apr 21, 8:00 AM EDTSNOW 1.71 E Headlee, IN
Apr 21, 8:00 AM EDTSNOW 23 Wsw Goshen, IN
Apr 21, 8:00 AM EDTSNOW 2.9Logansport, IN
Apr 21, 8:00 AM EDTSNOW 3.24 Ese Pittsford, MISTORM TOTAL SNOWFALL.
Apr 21, 8:00 AM EDTSNOW 3.61 Nnw Angola, IN
Apr 21, 8:00 AM EDTSNOW 4.52 Ne Lima, OH
Apr 21, 8:00 AM EDTSNOW 5.54 Ene Zone, OHSTORM TOTAL SNOW. ONE TREE DOWNED DUE TO THE HEAVY WET SNOW.
Apr 21, 8:00 AM EDTSNOW 5.54 S Swanton, OH24 HOUR SNOWFALL TOTAL.
Apr 21, 8:22 AM EDTSNOW 1.12 Wsw Plymouth, IN
Apr 21, 8:24 AM EDTSNOW 4.52 Ese Delphos, OH
Apr 21, 8:25 AM EDTSNOW 4.34 Nnw New Haven, IN
Apr 21, 8:33 AM EDTSNOW 2.2Lagrange, IN
Apr 21, 8:40 AM EDTSNOW 4.5Bluffton, IN
Apr 21, 9:26 AM EDTSNOW 4.31 Nne Paulding, OH
Apr 21, 9:31 AM EDTSNOW 1.6Litchfield, MI
Apr 21, 9:35 AM EDTSNOW 4.1Huntington, INWEIGHT OF SNOW CAUSED TREE TO FALL ONTO CAR. ALSO 3-4 REPORTS OF TREES/LIMBS DOWN THROUGHOUT THE COUNTY.
Apr 21, 11:00 AM EDTSNOW 3Portland, IN
Apr 21, 11:00 AM EDTSNOW 4.51 N Hartford City, IN
Apr 21, 11:00 AM EDTSNOW 5.2Van Wert, OH

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

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.7 hours before the alert went out and 233 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, Detroit, MI at 12:00Z on 2021-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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, Detroit, MI at 12:00Z on 2021-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
4 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1749 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

479 
WWUS73 KIWX 191940
NPWIWX

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
340 PM EDT Mon Apr 19 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-200900-
/O.UPG.KIWX.FZ.A.0001.210421T0200Z-210422T1200Z/
/O.NEW.KIWX.FZ.W.0001.210421T0200Z-210422T1200Z/
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-
Starke-Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, 
Ligonier, Albion, Auburn, Garrett, Knox, North Judson, Bass Lake,
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, Dunkirk, Niles, 
Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Buchanan, 
Paw Paw Lake, Dowagiac, Cassopolis, Edwardsburg, Marcellus, 
Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, 
Hillsdale, Jonesville, Litchfield, Bryan, Edgerton, Wauseon, 
Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, 
Napoleon, Deshler, Liberty Center, Paulding, Antwerp, Payne, 
Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, 
Ohio City, Lima, and Spencerville
340 PM EDT Mon Apr 19 2021 /240 PM CDT Mon Apr 19 2021/

...FREEZE WARNING IN EFFECT FROM 10 PM EDT /9 PM CDT/ TUESDAY TO
8 AM EDT /7 AM CDT/ THURSDAY...

* WHAT...Sub-freezing temperatures as low as 23 expected Tuesday
  night and Wednesday night.

* WHERE...Portions of northern Indiana, southwest Michigan and 
  northwest Ohio.

* WHEN...From 10 PM EDT /9 PM CDT/ Tuesday to 8 AM EDT /7 AM 
  CDT/ Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

MCD
7 follow-up statements
471 
WWUS73 KIWX 200317
NPWIWX

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
1117 PM EDT Mon Apr 19 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-201130-
/O.CON.KIWX.FZ.W.0001.210421T0200Z-210422T1200Z/
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-
Starke-Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, 
Ligonier, Albion, Auburn, Garrett, Knox, North Judson, Bass Lake,
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, Dunkirk, Niles, 
Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Buchanan, 
Paw Paw Lake, Dowagiac, Cassopolis, Edwardsburg, Marcellus, 
Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, 
Hillsdale, Jonesville, Litchfield, Bryan, Edgerton, Wauseon, 
Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, 
Napoleon, Deshler, Liberty Center, Paulding, Antwerp, Payne, 
Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, 
Ohio City, Lima, and Spencerville
1117 PM EDT Mon Apr 19 2021 /1017 PM CDT Mon Apr 19 2021/

...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM EDT /9 PM CDT/
TUESDAY TO 8 AM EDT /7 AM CDT/ THURSDAY...

* WHAT...Widespread sub-freezing temperatures from 23 to 28
  Tuesday night and Wednesday night.

* WHERE...All of northern Indiana and southwest Michigan, west
  portions of northwest Ohio.

* WHEN...From 10 PM EDT /9 PM CDT/ Tuesday to 8 AM EDT /7 AM 
  CDT/ Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps to protect tender plants from the cold. Blankets, 
plastic or other coverings can be used to help protect fruit trees
and other crops. To prevent freezing and possible bursting of 
outdoor above-ground water pipes, they should be wrapped, 
drained, or allowed to drip slowly.


&&

$$
961 
WWUS73 KIWX 201120
NPWIWX

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
720 AM EDT Tue Apr 20 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-201930-
/O.CON.KIWX.FZ.W.0001.210421T0200Z-210422T1200Z/
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-
Starke-Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, 
Ligonier, Albion, Auburn, Garrett, Knox, North Judson, Bass Lake,
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, Dunkirk, Niles, 
Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Buchanan, 
Paw Paw Lake, Dowagiac, Cassopolis, Edwardsburg, Marcellus, 
Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, 
Hillsdale, Jonesville, Litchfield, Bryan, Edgerton, Wauseon, 
Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, 
Napoleon, Deshler, Liberty Center, Paulding, Antwerp, Payne, 
Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, 
Ohio City, Lima, and Spencerville
720 AM EDT Tue Apr 20 2021 /620 AM CDT Tue Apr 20 2021/

...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM EDT /9 PM CDT/
THIS EVENING TO 8 AM EDT /7 AM CDT/ THURSDAY...

* WHAT...Widespread sub-freezing temperatures from 23 to 28 
  Tuesday night and Wednesday night.

* WHERE...All of northern Indiana and southwest Michigan, west 
  portions of northwest Ohio.

* WHEN...From 10 PM EDT /9 PM CDT/ Tuesday to 8 AM EDT /7 AM 
  CDT/ Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps to protect tender plants from the cold. Blankets,
plastic or other coverings can be used to help protect fruit
trees and other crops. To prevent freezing and possible bursting
of outdoor above-ground water pipes, they should be wrapped,
drained, or allowed to drip slowly.

&&

$$

MCD
660 
WWUS73 KIWX 202012
NPWIWX

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
412 PM EDT Tue Apr 20 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-210900-
/O.CON.KIWX.FZ.W.0001.210421T0200Z-210422T1200Z/
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-
Starke-Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, 
Ligonier, Albion, Auburn, Garrett, Knox, North Judson, Bass Lake,
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, Dunkirk, Niles, 
Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Buchanan, 
Paw Paw Lake, Dowagiac, Cassopolis, Edwardsburg, Marcellus, 
Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, 
Hillsdale, Jonesville, Litchfield, Bryan, Edgerton, Wauseon, 
Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, 
Napoleon, Deshler, Liberty Center, Paulding, Antwerp, Payne, 
Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, 
Ohio City, Lima, and Spencerville
412 PM EDT Tue Apr 20 2021 /312 PM CDT Tue Apr 20 2021/

...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM EDT /9 PM CDT/
THIS EVENING TO 8 AM EDT /7 AM CDT/ THURSDAY...

* WHAT...Widespread sub-freezing temperatures from 23 to 32
  degrees tonight and again on Wednesday night.

* WHERE...All of northern Indiana and southwest Michigan, west 
  portions of northwest Ohio.

* WHEN...From 10 PM EDT /9 PM CDT/ Tuesday to 8 AM EDT /7 AM 
  CDT/ Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps to protect tender plants from the cold. Blankets,
plastic or other coverings can be used to help protect fruit
trees and other crops. To prevent freezing and possible bursting
of outdoor above-ground water pipes, they should be wrapped,
drained, or allowed to drip slowly.

&&

$$

MCD
199 
WWUS73 KIWX 211100
NPWIWX

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
700 AM EDT Wed Apr 21 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-211900-
/O.CON.KIWX.FZ.W.0001.000000T0000Z-210422T1200Z/
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-
Starke-Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, 
Ligonier, Albion, Auburn, Garrett, Knox, North Judson, Bass Lake,
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, Dunkirk, Niles, 
Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Buchanan, 
Paw Paw Lake, Dowagiac, Cassopolis, Edwardsburg, Marcellus, 
Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, 
Hillsdale, Jonesville, Litchfield, Bryan, Edgerton, Wauseon, 
Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, 
Napoleon, Deshler, Liberty Center, Paulding, Antwerp, Payne, 
Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, 
Ohio City, Lima, and Spencerville
700 AM EDT Wed Apr 21 2021 /600 AM CDT Wed Apr 21 2021/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT /7 AM CDT/
THURSDAY...

* WHAT...Widespread sub-freezing temperatures from 22 to 28 
  degrees early this morning and again Wednesday night.

* WHERE...All of northern Indiana and southwest Michigan, west 
  portions of northwest Ohio.

* WHEN...From 10 PM EDT /9 PM CDT/ Tuesday to 8 AM EDT /7 AM 
  CDT/ Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
490 
WWUS73 KIWX 211858
NPWIWX

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
258 PM EDT Wed Apr 21 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-220400-
/O.CON.KIWX.FZ.W.0001.000000T0000Z-210422T1200Z/
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-
Starke-Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, 
Ligonier, Albion, Auburn, Garrett, Knox, North Judson, Bass Lake,
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, Dunkirk, Niles, 
Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Buchanan, 
Paw Paw Lake, Dowagiac, Cassopolis, Edwardsburg, Marcellus, 
Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, 
Hillsdale, Jonesville, Litchfield, Bryan, Edgerton, Wauseon, 
Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, 
Napoleon, Deshler, Liberty Center, Paulding, Antwerp, Payne, 
Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, 
Ohio City, Lima, and Spencerville
258 PM EDT Wed Apr 21 2021 /158 PM CDT Wed Apr 21 2021/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT /7 AM CDT/
THURSDAY...

* WHAT...Widespread sub-freezing temperatures from 23 to 29 
  degrees early this morning and again Wednesday night.

* WHERE...All of northern Indiana and southwest Michigan, west 
  portions of northwest Ohio.

* WHEN...From 10 PM EDT /9 PM CDT/ Tuesday to 8 AM EDT /7 AM 
  CDT/ Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
114 
WWUS73 KIWX 220248
NPWIWX

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
1048 PM EDT Wed Apr 21 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-221200-
/O.CON.KIWX.FZ.W.0001.000000T0000Z-210422T1200Z/
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-
Starke-Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, 
Ligonier, Albion, Auburn, Garrett, Knox, North Judson, Bass Lake,
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, Dunkirk, Niles, 
Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Buchanan, 
Paw Paw Lake, Dowagiac, Cassopolis, Edwardsburg, Marcellus, 
Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, 
Hillsdale, Jonesville, Litchfield, Bryan, Edgerton, Wauseon, 
Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, 
Napoleon, Deshler, Liberty Center, Paulding, Antwerp, Payne, 
Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, 
Ohio City, Lima, and Spencerville
1048 PM EDT Wed Apr 21 2021 /948 PM CDT Wed Apr 21 2021/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT /7 AM CDT/
THURSDAY...

* WHAT...Temperatures are expected to fall well below freezing
  over most areas to between 23 to 29 degrees early this morning.
 
* WHERE...The entire area.

* WHEN...Until 8 AM EDT /7 AM CDT/ Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold by covering
them or taking them inside. To prevent freezing and possible 
bursting of outdoor water pipes they should be wrapped, drained, 
or allowed to drip slowly.

&&

$$
086 
WWUS73 KIWX 221159
NPWIWX

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
759 AM EDT Thu Apr 22 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-221300-
/O.EXP.KIWX.FZ.W.0001.000000T0000Z-210422T1200Z/
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-
Starke-Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Lagrange, Topeka, Shipshewana, Angola, Fremont, Kendallville, 
Ligonier, Albion, Auburn, Garrett, Knox, North Judson, Bass Lake,
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, Dunkirk, Niles, 
Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Buchanan, 
Paw Paw Lake, Dowagiac, Cassopolis, Edwardsburg, Marcellus, 
Sturgis, Three Rivers, White Pigeon, Mendon, Coldwater, Bronson, 
Hillsdale, Jonesville, Litchfield, Bryan, Edgerton, Wauseon, 
Archbold, Swanton, Delta, Defiance, Sherwood, Hicksville, 
Napoleon, Deshler, Liberty Center, Paulding, Antwerp, Payne, 
Ottawa, Leipsic, Columbus Grove, Continental, Pandora, Van Wert, 
Ohio City, Lima, and Spencerville
759 AM EDT Thu Apr 22 2021 /659 AM CDT Thu Apr 22 2021/

...FREEZE WARNING WILL EXPIRE AT 8 AM EDT /7 AM CDT/ THIS
MORNING...

With broken cloud cover, temperatures have been and will continue
to warm above freeze warning criteria. 

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 4:24 AM EDTFreeze WatchIWXBranch, Cass, Hillsdale, Saint Joseph11 hr

Nearby

Freeze Warnings in Indiana, 2021Freeze Warnings in Ohio, 2021Freeze Warnings in Michigan, 2021Every freeze warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.