Alert archive / Indiana / Flash Flood Warnings in 2021

Flash Flood Warning 22, NWS Wilmington, OH

July 16, 2021Ripley County, Indiana

NWS Wilmington, OH issued this flash flood warning at Jul 16, 2021, 9:34 PM EDT for Ripley County, Indiana. It was in force for 106 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 16, 2021, 9:34 PM EDT (01:34 UTC)
Expired: Jul 16, 2021, 11:20 PM EDT
In force: 106 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

County Ripley County, IN

The radar

The Indianapolis radar (KIND), 112 km from the middle of the area, began a volume at 01:34 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.6 hours before the alert went out and 132 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 163 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 1176 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

446 
WGUS51 KILN 170134
FFWILN
INC137-170445-
/O.NEW.KILN.FF.W.0022.210717T0134Z-210717T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
934 PM EDT Fri Jul 16 2021

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for...
  Ripley County in southeastern Indiana...

* Until 1245 AM EDT.

* At 934 PM EDT, emergency management reported flash flooding across 
  the warned area.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management reported.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that may experience flash flooding include...
  Batesville, Versailles, Milan, Osgood, Holton, Napoleon, 
  Versailles Lake, Otter Village, New Marion, Benham, Olean, 
  Rexville, Cross Plains, Ballstown, Friendship and Huntersville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3891 8544 3920 8544 3931 8522 3931 8516
      3918 8526 3918 8509 3893 8514 3893 8520
      3891 8521

FLASH FLOOD...OBSERVED

$$

ch

1 follow-up statement

014 
WGUS71 KILN 170320
FFSILN

Flash Flood Statement
National Weather Service Wilmington OH
1120 PM EDT Fri Jul 16 2021

INC137-170330-
/O.CAN.KILN.FF.W.0022.000000T0000Z-210717T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ripley IN-
1120 PM EDT Fri Jul 16 2021

...FLASH FLOOD WARNING IS CANCELLED FOR RIPLEY COUNTY...

Flash flooding has ended across the area, but flooding continues. 
Therefore the flash flood warning has been replaced by a flood 
warning. Please refer to that bulletin for more information.

A Flash Flood Watch remains in effect until 200 PM EDT Saturday for 
portions of Indiana, Northern Kentucky and Ohio.

LAT...LON 3891 8544 3920 8544 3931 8522 3931 8516
      3918 8526 3918 8509 3893 8514 3893 8520
      3891 8521

$$

ch

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 16, 8:25 PM EDT	Areal Flood Advisory	ILN	Dearborn, Franklin, Ripley	3 hr
Jul 16, 8:46 PM EDT	Areal Flood Advisory	ILN	Franklin, Union	3 hr
Jul 16, 9:01 PM EDT	Flash Flood Warning	ILN	Dearborn, Franklin, Ripley	2 hr
Jul 16, 9:32 PM EDT	Areal Flood Advisory	ILN	Ripley	2 min
Jul 16, 10:15 PM EDT	Special Weather Statement	ILN	Ohio, Switzerland	30 min
Jul 16, 10:33 PM EDT	Areal Flood Advisory	ILN	Dearborn, Ohio, Switzerland	3 hr
Jul 16, 11:15 PM EDT	Areal Flood Warning	ILN	Dearborn, Franklin, Ripley	9 hr
Jul 16, 11:30 PM EDT	Areal Flood Warning	ILN	Union	9 hr
Jul 17, 12:16 AM EDT	Areal Flood Advisory	ILN	Switzerland	3 hr
Jul 17, 5:49 AM EDT	River Flood Advisory	ILN	Dearborn, Franklin	3 hr
Jul 17, 8:31 AM EDT	Areal Flood Advisory	ILN	Ripley	6 hr

Nearby

Flash Flood Warnings in Indiana, 2021 Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.