Alert archive / Ohio / Flood Watches in 2021

Flood Watch 1, NWS Northern Indiana

September 21, 2021Branch County, Hillsdale County, Michigan; 8 counties in Ohio; 7 counties in Indiana

NWS Northern Indiana issued this flood watch at Sep 21, 2021, 4:29 AM EDT for Branch County, Hillsdale County, Michigan; 8 counties in Ohio; 7 counties in Indiana. It took effect at Sep 21, 2021, 2:00 PM EDT. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued
Sep 21, 2021, 4:29 AM EDT (08:29 UTC)
In effect from
Sep 21, 2021, 2:00 PM EDT
Expired
Sep 23, 2021, 3:53 AM EDT
In force
38 hr
Issued by
NWS Northern Indiana
Flood severity
None

Counties Adams County, IN, Allen County, IN, Blackford County, IN, DeKalb County, IN, Jay County, IN, Steuben County, IN, Wells County, IN, Branch County, MI, Hillsdale 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), 86 km from the middle of the area, began a volume at 08:31 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

Detroit, MI (KDTX), launched 00:00Z, 8.5 hours before the alert went out and 202 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 00:00Z on 2021-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 234 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 00:00Z on 2021-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
234 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

079 
WGUS63 KIWX 210829
FFAIWX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Northern Indiana
429 AM EDT Tue Sep 21 2021

INZ007-009-018-MIZ080-081-OHZ001-002-004-005-015-016-024-025-211630-
/O.NEW.KIWX.FA.A.0001.210921T1800Z-210923T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Steuben-De Kalb-Allen-Branch-Hillsdale-Williams-Fulton-Defiance-
Henry-Paulding-Putnam-Van Wert-Allen-
Including the cities of Leipsic, Van Wert, Deshler, Antwerp, 
Garrett, Sherwood, Continental, Archbold, Bluffton, Fremont, Payne, 
Edgerton, Fort Wayne, Defiance, Paulding, Napoleon, Bryan, 
Hicksville, Swanton, Litchfield, Columbus Grove, Spencerville, 
Delta, Hillsdale, Ottawa, Pandora, Jonesville, Ohio City, New Haven, 
Angola, Liberty Center, Montpelier, Bronson, Auburn, Wauseon, 
Coldwater, and Lima
429 AM EDT Tue Sep 21 2021

...FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH 
THURSDAY MORNING...

The National Weather Service in Northern Indiana has issued a

* Flood Watch for portions of northern Indiana, southwest Michigan 
  and northwest Ohio, including the following areas, in northern 
  Indiana, Allen, De Kalb and Steuben. In southwest Michigan, Branch 
  and Hillsdale. In northwest Ohio, Allen, Defiance, Fulton, Henry, 
  Paulding, Putnam, Van Wert and Williams.

* From 2 PM EDT this afternoon through Thursday morning.

* A front will stall across the area and bring periods of moderate 
  to heavy rain this afternoon through Thursday morning. A few 
  embedded thunderstorms are also possible this afternoon and may 
  produce rainfall rates up to 1 inch per hour. Total rainfall 
  amounts of 2 to 4 inches are possible.

* The potential exists for small stream and creek flooding as well 
  as flooding of low spots where water may cover some roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

IWX
5 follow-up statements
226 
WGUS63 KIWX 211455
FFAIWX

Flood Watch
National Weather Service Northern Indiana
1055 AM EDT Tue Sep 21 2021

INZ007-009-018-MIZ080-081-OHZ001-002-004-005-015-016-024-025-212300-
/O.CON.KIWX.FA.A.0001.210921T1800Z-210923T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Steuben-De Kalb-Allen-Branch-Hillsdale-Williams-Fulton-Defiance-
Henry-Paulding-Putnam-Van Wert-Allen-
Including the cities of Leipsic, Van Wert, Deshler, Antwerp, 
Garrett, Sherwood, Continental, Archbold, Bluffton, Fremont, Payne, 
Edgerton, Fort Wayne, Defiance, Paulding, Napoleon, Bryan, 
Hicksville, Swanton, Litchfield, Columbus Grove, Spencerville, 
Delta, Hillsdale, Ottawa, Pandora, Jonesville, Ohio City, New Haven, 
Angola, Liberty Center, Montpelier, Bronson, Auburn, Wauseon, 
Coldwater, and Lima
1055 AM EDT Tue Sep 21 2021

...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON 
THROUGH THURSDAY MORNING...

The Flood Watch continues for

* Portions of northern Indiana, southwest Michigan and northwest 
  Ohio, including the following areas, in northern Indiana, Allen, 
  De Kalb and Steuben. In southwest Michigan, Branch and Hillsdale. 
  In northwest Ohio, Allen, Defiance, Fulton, Henry, Paulding, 
  Putnam, Van Wert and Williams.

* From 2 PM EDT this afternoon through Thursday morning.

* A front will stall across the area and bring periods of moderate 
  to heavy rain late this afternoon through Thursday morning. A few 
  embedded thunderstorms are also possible this afternoon and may 
  produce rainfall rates up to 1 inch per hour. Total rainfall 
  amounts of 2 to 4 inches are possible.

* The potential exists for small stream and creek flooding as well 
  as flooding of low spots where water may cover some roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

Steinwedel
527 
WGUS63 KIWX 211915
FFAIWX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Northern Indiana
315 PM EDT Tue Sep 21 2021

INZ026-027-033-034-220315-
/O.EXA.KIWX.FA.A.0001.000000T0000Z-210923T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wells-Adams-Blackford-Jay-
Including the cities of Decatur, Hartford City, Montpelier, Ossian, 
Portland, Dunkirk, Berne, and Bluffton
315 PM EDT Tue Sep 21 2021

...FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

The National Weather Service in Northern Indiana has expanded the

* Flood Watch to include a portion of northern Indiana, including 
  the following areas, Adams, Blackford, Jay and Wells.

* Through Thursday morning.

* A front will stall across the area and bring periods of moderate 
  to heavy rain late this afternoon through Thursday morning. A few 
  embedded thunderstorms are also possible late this afternoon into 
  tonight, and may produce rainfall rates up to 1 inch per hour. 
  Total rainfall amounts of 2 to 5 inches are possible.

* The potential exists for small stream and creek flooding as well 
  as flooding of low spots where water may cover some roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

INZ007-009-018-MIZ080-081-OHZ001-002-004-005-015-016-024-025-220315-
/O.CON.KIWX.FA.A.0001.000000T0000Z-210923T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Steuben-De Kalb-Allen-Branch-Hillsdale-Williams-Fulton-Defiance-
Henry-Paulding-Putnam-Van Wert-Allen-
Including the cities of Leipsic, Van Wert, Deshler, Antwerp, 
Garrett, Sherwood, Continental, Archbold, Bluffton, Fremont, Payne, 
Edgerton, Fort Wayne, Defiance, Paulding, Napoleon, Bryan, 
Hicksville, Swanton, Litchfield, Columbus Grove, Spencerville, 
Delta, Hillsdale, Ottawa, Pandora, Jonesville, Ohio City, New Haven, 
Angola, Liberty Center, Montpelier, Bronson, Auburn, Wauseon, 
Coldwater, and Lima
315 PM EDT Tue Sep 21 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING...

The Flood Watch continues for

* Portions of northern Indiana, southwest Michigan and northwest 
  Ohio, including the following areas, in northern Indiana, Allen, 
  De Kalb and Steuben. In southwest Michigan, Branch and Hillsdale. 
  In northwest Ohio, Allen, Defiance, Fulton, Henry, Paulding, 
  Putnam, Van Wert and Williams.

* Through Thursday morning.

* A front will stall across the area and bring periods of moderate 
  to heavy rain late this afternoon through Thursday morning. A few 
  embedded thunderstorms are also possible late this afternoon into 
  tonight, and may produce rainfall rates up to 1 inch per hour. 
  Total rainfall amounts of 2 to 5 inches are possible.

* The potential exists for small stream and creek flooding as well 
  as flooding of low spots where water may cover some roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

Steinwedel
686 
WGUS63 KIWX 220758
FFAIWX

Flood Watch
National Weather Service Northern Indiana
358 AM EDT Wed Sep 22 2021

INZ007-009-018-026-027-033-034-MIZ080-081-OHZ001-002-004-005-015-016-
024-025-222000-
/O.CON.KIWX.FA.A.0001.000000T0000Z-210923T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Steuben-De Kalb-Allen-Wells-Adams-Blackford-Jay-Branch-Hillsdale-
Williams-Fulton-Defiance-Henry-Paulding-Putnam-Van Wert-Allen-
Including the cities of Leipsic, Van Wert, Deshler, Antwerp, 
Garrett, Sherwood, Continental, Archbold, Dunkirk, Berne, Bluffton, 
Fremont, Ossian, Payne, Edgerton, Fort Wayne, Delta, Decatur, 
Coldwater, Bryan, Hicksville, Swanton, Litchfield, Columbus Grove, 
Spencerville, Defiance, Hillsdale, Ottawa, Pandora, Jonesville, Ohio 
City, Paulding, New Haven, Angola, Liberty Center, Hartford City, 
Montpelier, Bronson, Auburn, Wauseon, Napoleon, Portland, and Lima
358 AM EDT Wed Sep 22 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING...

The Flood Watch continues for

* Portions of northern Indiana, southwest Michigan and northwest 
  Ohio, including the following areas, in northern Indiana, Adams, 
  Allen, Blackford, De Kalb, Jay, Steuben and Wells. In southwest 
  Michigan, Branch and Hillsdale. In northwest Ohio, Allen, 
  Defiance, Fulton, Henry, Paulding, Putnam, Van Wert and Williams.

* Through Thursday morning.

* Widespread moderate rain will continue through tonight. Additional 
  rainfall amounts around 2 inches are expected with isolated 
  amounts up to 3 inches. Rain will taper off Thursday morning.

* The potential exists for small stream and creek flooding as well 
  as flooding of low spots where water may cover some roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

IWX
509 
WGUS63 KIWX 221851
FFAIWX

Flood Watch
National Weather Service Northern Indiana
251 PM EDT Wed Sep 22 2021

INZ007-009-018-026-027-033-034-MIZ080-081-OHZ001-002-004-005-015-016-
024-025-231200-
/O.CON.KIWX.FA.A.0001.000000T0000Z-210923T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Steuben-De Kalb-Allen-Wells-Adams-Blackford-Jay-Branch-Hillsdale-
Williams-Fulton-Defiance-Henry-Paulding-Putnam-Van Wert-Allen-
Including the cities of Leipsic, Van Wert, Deshler, Antwerp, 
Garrett, Sherwood, Continental, Archbold, Dunkirk, Berne, Bluffton, 
Fremont, Ossian, Payne, Edgerton, Fort Wayne, Delta, Decatur, 
Coldwater, Bryan, Hicksville, Swanton, Litchfield, Columbus Grove, 
Spencerville, Defiance, Hillsdale, Ottawa, Pandora, Jonesville, Ohio 
City, Paulding, New Haven, Angola, Liberty Center, Hartford City, 
Montpelier, Bronson, Auburn, Wauseon, Napoleon, Portland, and Lima
251 PM EDT Wed Sep 22 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING...

The Flood Watch continues for

* Portions of northern Indiana, southwest Michigan and northwest 
  Ohio, including the following areas, in northern Indiana, Adams, 
  Allen, Blackford, De Kalb, Jay, Steuben and Wells. In southwest 
  Michigan, Branch and Hillsdale. In northwest Ohio, Allen, 
  Defiance, Fulton, Henry, Paulding, Putnam, Van Wert and Williams.

* Through Thursday morning.

* Widespread moderate rain will continue into tonight with 
  additional rainfall amounts of 1 to 3 inches expected. Rain will 
  taper off Thursday morning.

* The potential exists for small stream and creek flooding as well 
  as flooding of low spots where water may cover some roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

Steinwedel
133 
WGUS63 KIWX 230753
FFAIWX

Flood Watch
National Weather Service Northern Indiana
353 AM EDT Thu Sep 23 2021

INZ007-009-018-026-027-033-034-MIZ080-081-OHZ001-002-004-005-015-016-
024-025-230900-
/O.CAN.KIWX.FA.A.0001.000000T0000Z-210923T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Steuben-De Kalb-Allen-Wells-Adams-Blackford-Jay-Branch-Hillsdale-
Williams-Fulton-Defiance-Henry-Paulding-Putnam-Van Wert-Allen-
Including the cities of Leipsic, Van Wert, Deshler, Antwerp, 
Garrett, Sherwood, Continental, Archbold, Dunkirk, Berne, Bluffton, 
Fremont, Ossian, Payne, Edgerton, Fort Wayne, Delta, Decatur, 
Coldwater, Bryan, Hicksville, Swanton, Litchfield, Columbus Grove, 
Spencerville, Defiance, Hillsdale, Ottawa, Pandora, Jonesville, Ohio 
City, Paulding, New Haven, Angola, Liberty Center, Hartford City, 
Montpelier, Bronson, Auburn, Wauseon, Napoleon, Portland, and Lima
353 AM EDT Thu Sep 23 2021

...FLOOD WATCH IS CANCELLED...

The Flood Watch for portions of northern Indiana, southwest Michigan 
and northwest Ohio, including the following areas, in northern 
Indiana, Adams, Allen, Blackford, De Kalb, Jay, Steuben and Wells. 
In southwest Michigan, Branch and Hillsdale. In northwest Ohio, 
Allen, Defiance, Fulton, Henry, Paulding, Putnam, Van Wert and 
Williams has been cancelled.

Rain will continue to taper off through the early morning with the 
axis of heavy rain now shifting out of the watch area. Therefore the 
Flood Watch has been cancelled. Please continue to heed remaining 
road closures.

$$

IWX

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 4:46 AM EDTLakeshore Flood AdvisoryIWX59 hr
Sep 21, 4:45 AM EDTGale WatchIWX12 hr
Sep 21, 4:24 PM EDTGale WarningIWX47 hr
Sep 21, 4:27 PM EDTLakeshore Flood WarningIWX47 hr

Nearby

Flood Watches in Ohio, 2021Flood Watches in Indiana, 2021Flood Watches in Michigan, 2021Every flood watch 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.