Alert archive / Indiana / Flash Flood Watches in 2021

Flash Flood Watch 4, NWS Indianapolis, IN

June 24, 20215 counties in Indiana

NWS Indianapolis, IN issued this flash flood watch at Jun 24, 2021, 3:39 PM EDT for 5 counties in Indiana. It took effect at Jun 25, 2021, 12:00 AM EDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
Jun 24, 2021, 3:39 PM EDT (19:39 UTC)
In effect from
Jun 25, 2021, 12:00 AM EDT
Expired
Jun 26, 2021, 8:00 AM EDT
In force
32 hr
Issued by
NWS Indianapolis, IN
Flood severity
None

Counties Carroll County, IN, Fountain County, IN, Tippecanoe County, IN, Vermillion County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 93 km from the middle of the area, began a volume at 19:41 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, 7.7 hours before the alert went out and 128 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 2021-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2021-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1467 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

436 
WGUS63 KIND 241939
FFAIND

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Indianapolis IN
339 PM EDT Thu Jun 24 2021

INZ021-028-029-035-043-250345-
/O.NEW.KIND.FF.A.0004.210625T0100Z-210626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-
Including the cities of Attica, West Lebanon, Flora, Clinton, 
Delphi, West Lafayette, Covington, Williamsport, Lafayette, 
Veedersburg, and Newport
339 PM EDT Thu Jun 24 2021

...FLASH FLOOD WATCH IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH 
SATURDAY MORNING...

The National Weather Service in Indianapolis has issued a

* Flash Flood Watch for portions of north central Indiana and west 
  central Indiana, including the following areas, in north central 
  Indiana, Carroll. In west central Indiana, Fountain, Tippecanoe, 
  Vermillion and Warren.

* From 9 PM EDT this evening through Saturday morning.

* Showers and thunderstorms with a history of producing heavy rain 
  will move into NW central Indiana this evening. This along with 
  another round of thunderstorms tomorrow will lead to rain totals 
  greater than 2 inches in some locations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

AU
7 follow-up statements
871 
WGUS63 KIND 250049
FFAIND

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Indianapolis IN
849 PM EDT Thu Jun 24 2021

INZ021-028-029-035-043-250900-
/O.EXT.KIND.FF.A.0004.210625T0400Z-210626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-
Including the cities of Attica, West Lebanon, Flora, Clinton, 
Delphi, West Lafayette, Covington, Williamsport, Lafayette, 
Veedersburg, and Newport
849 PM EDT Thu Jun 24 2021

...FLASH FLOOD WATCH NOW IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH 
SATURDAY MORNING...

The Flash Flood Watch is now in effect for

* Portions of north central Indiana and west central Indiana, 
  including the following areas, in north central Indiana, Carroll. 
  In west central Indiana, Fountain, Tippecanoe, Vermillion and 
  Warren.

* From Midnight EDT tonight through Saturday morning.

* A round of showers and thunderstorms moving in later tonight along 
  with another round of thunderstorms Friday and Friday night will 
  lead to rain totals greater than 2 inches in some locations. Rain 
  moving over the same area with these rounds and heavy rainfall 
  rates have the potential to produce flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

CP
032 
WGUS63 KIND 250728
FFAIND

Flood Watch
National Weather Service Indianapolis IN
328 AM EDT Fri Jun 25 2021

INZ021-028-029-035-043-251530-
/O.CON.KIND.FF.A.0004.000000T0000Z-210626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-
Including the cities of Attica, West Lebanon, Flora, Clinton, 
Delphi, West Lafayette, Covington, Williamsport, Lafayette, 
Veedersburg, and Newport
328 AM EDT Fri Jun 25 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

The Flash Flood Watch continues for

* Portions of north central Indiana and west central Indiana, 
  including the following areas, in north central Indiana, Carroll. 
  In west central Indiana, Fountain, Tippecanoe, Vermillion and 
  Warren.

* Through Saturday morning.

* Numerous showers and thunderstorms will move into the northern 
  Wabash Valley this morning...with additional thunderstorms 
  expected late today into tonight. This will lead to rain totals of 
  2 to 4 inches in some locations. Rain moving over the same area 
  and heavy rainfall rates have the potential to produce flash 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Ryan
587 
WGUS63 KIND 251428
FFAIND

Flood Watch
National Weather Service Indianapolis IN
1028 AM EDT Fri Jun 25 2021

INZ021-028-029-035-043-252230-
/O.CON.KIND.FF.A.0004.000000T0000Z-210626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-
Including the cities of Attica, West Lebanon, Flora, Clinton, 
Delphi, West Lafayette, Covington, Williamsport, Lafayette, 
Veedersburg, and Newport
1028 AM EDT Fri Jun 25 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

The Flash Flood Watch continues for

* Portions of north central Indiana and west central Indiana, 
  including the following areas, in north central Indiana, Carroll. 
  In west central Indiana, Fountain, Tippecanoe, Vermillion and 
  Warren.

* Through Saturday morning.

* Numerous showers and thunderstorms will continue in the northern 
  Wabash Valley this morning...with additional thunderstorms 
  expected late today into tonight. This will lead to rain totals of 
  2 to 4 inches in some locations. Rain moving over the same area 
  and heavy rainfall rates have the potential to produce flash 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

AU
097 
WGUS63 KIND 251938
FFAIND

Flood Watch
National Weather Service Indianapolis IN
338 PM EDT Fri Jun 25 2021

INZ021-028-029-035-043-260345-
/O.CON.KIND.FF.A.0004.000000T0000Z-210626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-
Including the cities of Attica, West Lebanon, Flora, Clinton, 
Delphi, West Lafayette, Covington, Williamsport, Lafayette, 
Veedersburg, and Newport
338 PM EDT Fri Jun 25 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

The Flash Flood Watch continues for

* Portions of north central Indiana and west central Indiana, 
  including the following areas, in north central Indiana, Carroll. 
  In west central Indiana, Fountain, Tippecanoe, Vermillion and 
  Warren.

* Through Saturday morning.

* Additional thunderstorms are expected later this afternoon into 
  tonight. This will lead to rain totals of 2 to 4 inches in some 
  locations. Rain moving over the same area and heavy rainfall rates 
  have the potential to produce flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

AU/50
493 
WGUS63 KIND 260253
FFAIND

Flood Watch
National Weather Service Indianapolis IN
1053 PM EDT Fri Jun 25 2021

INZ021-028-029-035-043-261100-
/O.CON.KIND.FF.A.0004.000000T0000Z-210626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-
Including the cities of Attica, West Lebanon, Flora, Clinton, 
Delphi, West Lafayette, Covington, Williamsport, Lafayette, 
Veedersburg, and Newport
1053 PM EDT Fri Jun 25 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT SATURDAY...

The Flash Flood Watch continues for

* Portions of north central Indiana and west central Indiana, 
  including the following areas, in north central Indiana, Carroll. 
  In west central Indiana, Fountain, Tippecanoe, Vermillion and 
  Warren.

* Until 8 AM EDT Saturday.

* Additional thunderstorms are expected overnight. This could lead 
  to rain totals of 2 to 4 inches in some locations. Rain moving 
  over the same area and heavy rainfall rates have the potential to 
  produce flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

CP
549 
WGUS63 KIND 260756
FFAIND

Flood Watch
National Weather Service Indianapolis IN
356 AM EDT Sat Jun 26 2021

INZ021-028-029-035-043-261200-
/O.CON.KIND.FF.A.0004.000000T0000Z-210626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-
Including the cities of Attica, West Lebanon, Flora, Clinton, 
Delphi, West Lafayette, Covington, Williamsport, Lafayette, 
Veedersburg, and Newport
356 AM EDT Sat Jun 26 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

The Flash Flood Watch continues for

* Portions of north central Indiana and west central Indiana, 
  including the following areas, in north central Indiana, Carroll. 
  In west central Indiana, Fountain, Tippecanoe, Vermillion and 
  Warren.

* Until 8 AM EDT this morning.

* Showers and thunderstorms will gradually diminish across northwest 
  parts of central Indiana by daybreak. Additional rainfall amounts 
  up to an inch are possible which may lead to localized flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Ryan
382 
WGUS63 KIND 261206
FFAIND

Flood Watch
National Weather Service Indianapolis IN
806 AM EDT Sat Jun 26 2021

INZ021-028-029-035-043-261315-
/O.EXP.KIND.FF.A.0004.000000T0000Z-210626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll-Warren-Tippecanoe-Fountain-Vermillion-
Including the cities of Attica, West Lebanon, Flora, Clinton, 
Delphi, West Lafayette, Covington, Williamsport, Lafayette, 
Veedersburg, and Newport
806 AM EDT Sat Jun 26 2021

...FLASH FLOOD WATCH HAS EXPIRED...

The Flash Flood Watch for portions of north central Indiana and west 
central Indiana, including the following areas, in north central 
Indiana, Carroll. In west central Indiana, Fountain, Tippecanoe, 
Vermillion and Warren has expired.

However, locally heavy rain remains possible with thunderstorms. 

$$

50

Nearby

Flash Flood Watches in Indiana, 2021Every flash 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.