Alert archive / Indiana / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Indianapolis, IN

June 19, 2021Clay County, Sullivan County, Vigo County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 19, 2021, 6:01 AM EDT for Clay County, Sullivan County, Vigo County, Indiana. It was in force for 6 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 19, 2021, 6:01 AM EDT (10:01 UTC)
Expired: Jun 19, 2021, 12:00 PM EDT
In force: 6 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Clay County, IN, Sullivan County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 108 km from the middle of the area, began a volume at 10:05 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

Time	Report	Where	Remark
Jun 19, 7:00 AM EDT	HEAVY RAIN 5.11	4 Ene Prairieton, IN
Jun 19, 8:00 AM EDT	HEAVY RAIN 4.4	4 Wsw Riley, IN
Jun 19, 8:53 AM EDT	HEAVY RAIN 3.6	4 Ssw Seelyville, IN	ASOS STATION KHUF TERRE HAUTE.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 10.0 hours before the alert went out and 134 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: 2124 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 1616 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 200 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

As transmitted.

818 
WGUS53 KIND 191001
FFWIND
INC021-153-167-191400-
/O.NEW.KIND.FF.W.0014.210619T1001Z-210619T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
601 AM EDT Sat Jun 19 2021

The National Weather Service in Indianapolis has issued a

* Flash Flood Warning for...
  Northeastern Sullivan County in southwestern Indiana...
  Central Clay County in west central Indiana...
  Vigo County in west central Indiana...

* Until 1000 AM EDT.

* At 601 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 5 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Terre Haute, West Terre Haute, Prairieton, Prairie Creek, 
  Farmersburg, Hymera, Center Point, Riley, Pimento and Indiana 
  State University.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3926 8760 3927 8760 3928 8761 3930 8760
      3933 8759 3934 8757 3934 8755 3935 8754
      3935 8753 3948 8753 3947 8694 3944 8694
      3940 8723 3917 8724

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Ryan

2 follow-up statements

312 
WGUS53 KIND 191335
FFWIND
INC021-153-167-191600-
/O.EXT.KIND.FF.W.0014.000000T0000Z-210619T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
935 AM EDT Sat Jun 19 2021

The National Weather Service in Indianapolis has extended the

* Flash Flood Warning for...
  Northeastern Sullivan County in southwestern Indiana...
  Central Clay County in west central Indiana...
  Vigo County in west central Indiana...

* Until noon EDT.

* At 935 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across eastern Illinois. These storms are expected to 
  move back into western Indiana with additional rainfall amounts up 
  to 1 inch possible in the warned area. Flash flooding is ongoing 
  and will continue.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Terre Haute, West Terre Haute, Prairieton, Prairie Creek, 
  Farmersburg, Hymera, Center Point, Riley, Pimento and Indiana 
  State University.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

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

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3926 8760 3927 8760 3928 8761 3930 8760
      3933 8759 3934 8757 3934 8755 3935 8754
      3935 8753 3948 8753 3947 8694 3944 8694
      3940 8723 3917 8724

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Ryan

436 
WGUS73 KIND 191554
FFSIND

Flash Flood Statement
National Weather Service Indianapolis IN
1154 AM EDT Sat Jun 19 2021

INC021-153-167-191604-
/O.EXP.KIND.FF.W.0014.000000T0000Z-210619T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay IN-Sullivan IN-Vigo IN-
1154 AM EDT Sat Jun 19 2021

...FLASH FLOOD WARNING WILL EXPIRE AT NOON EDT TODAY FOR 
NORTHEASTERN SULLIVAN, CENTRAL CLAY AND VIGO COUNTIES...

The heavy rain has ended...but flooding continues across the warned 
area. A flood warning will replace the flash flood warning. Please 
continue to heed remaining road closures.


LAT...LON 3926 8760 3927 8760 3928 8761 3930 8760
      3933 8759 3934 8757 3934 8755 3935 8754
      3935 8753 3948 8753 3947 8694 3944 8694
      3940 8723 3917 8724

$$

Ryan

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 8:08 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jennings, Rush, Shelby	52 min
Jun 18, 8:17 PM EDT	Areal Flood Warning	IND	Rush	3 hr
Jun 18, 8:18 PM EDT	Tornado Warning	IND	Brown, Monroe, Morgan	27 min
Jun 18, 8:45 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown	45 min
Jun 18, 8:49 PM EDT	Areal Flood Warning	IND	Decatur	3 hr
Jun 18, 8:59 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	20 min
Jun 18, 9:07 PM EDT	Severe Thunderstorm Warning	IND	Morgan, Owen	27 min
Jun 18, 9:10 PM EDT	Tornado Warning	IND	Brown	20 min
Jun 18, 9:23 PM EDT	Severe Thunderstorm Warning	IND	Johnson, Morgan	23 min
Jun 18, 9:29 PM EDT	Severe Thunderstorm Warning	IND	Monroe, Owen	46 min
Jun 18, 9:32 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jackson	43 min
Jun 18, 9:45 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Johnson, Shelby	20 min
Jun 18, 9:58 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Vigo	47 min
Jun 18, 10:11 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Jennings	49 min
Jun 18, 10:23 PM EDT	Flash Flood Warning	IND	Brown, Clay, Monroe, Morgan, Owen	5 hr
Jun 18, 10:42 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Monroe, Owen, Sullivan, Vigo	63 min
Jun 18, 10:55 PM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings	5 hr
Jun 18, 11:03 PM EDT	Severe Thunderstorm Warning	IND	Brown, Jackson, Lawrence, Monroe	42 min
Jun 18, 11:25 PM EDT	Flash Flood Warning	IND	Brown, Clay, Greene, Monroe, Owen	5 hr
Jun 19, 12:01 AM EDT	Severe Thunderstorm Warning	IND	Randolph	14 min
Jun 19, 12:33 AM EDT	Severe Thunderstorm Warning	IND	Owen	27 min
Jun 19, 1:02 AM EDT	Severe Thunderstorm Warning	IND	Clay, Vigo	43 min
Jun 19, 2:01 AM EDT	Flash Flood Warning	IND	Clay, Vigo	4 hr
Jun 19, 2:16 AM EDT	Areal Flood Advisory	IND	Hendricks, Johnson, Marion, Morgan	3 hr
Jun 19, 2:57 AM EDT	Flash Flood Warning	IND	Decatur, Rush, Shelby	3 hr
Jun 19, 3:19 AM EDT	Flash Flood Warning Considerable damage threat	IND	Clay, Owen	9 hr
Jun 19, 3:45 AM EDT	Severe Thunderstorm Warning	IND	Monroe, Owen	19 min
Jun 19, 4:32 AM EDT	Flash Flood Warning	IND	Clay, Greene, Monroe, Owen	7 hr
Jun 19, 4:49 AM EDT	Flash Flood Warning	IND	Clay, Fountain, Montgomery, Parke, Putnam, Vermillion and 1 more	4 hr
Jun 19, 5:15 AM EDT	Flash Flood Warning	IND	Hendricks, Johnson, Marion, Morgan	4 hr
Jun 19, 5:50 AM EDT	Flash Flood Warning Considerable damage threat	IND	Brown, Johnson, Monroe, Morgan, Owen	6 hr
Jun 19, 6:07 AM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Lawrence, Martin, Monroe, Owen	38 min
Jun 19, 6:42 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	4 hr
Jun 19, 6:45 AM EDT	Special Weather Statement	IND	Brown, Daviess, Jackson, Jennings, Knox, Lawrence and 1 more	45 min
Jun 19, 7:17 AM EDT	Flash Flood Warning	IND	Bartholomew, Decatur, Johnson, Rush, Shelby	3 hr
Jun 19, 10:08 AM EDT	Flash Flood Watch	IND	Bartholomew, Brown, Clay, Decatur, Greene, Jackson and 5 more	4 hr
Jun 19, 10:29 AM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Decatur, Jennings, Johnson, Rush and 1 more	6 hr
Jun 19, 10:41 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings	2 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Clay, Greene	25 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Greene, Monroe, Owen	42 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Greene, Knox	5 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Jackson, Jennings, Washington	26 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	4 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew	41 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Greene, Knox	5 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew, Jackson	42 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew, Johnson, Shelby	3 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Knox, Sullivan	48 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Knox, Sullivan	41 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	6 days
Jun 19, 11:24 AM EDT	Special Weather Statement	IND	Daviess, Lawrence, Martin	66 min
Jun 19, 11:52 AM EDT	Areal Flood Warning	IND	Brown, Clay, Greene, Johnson, Lawrence, Monroe and 6 more	25 hr
Jun 19, 12:42 PM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings, Lawrence	24 hr
Jun 19, 4:36 PM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Decatur, Jennings, Johnson, Rush and 1 more	20 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Johnson	24 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Decatur	18 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Bartholomew	27 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Marion	11 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Bartholomew	11 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.