Alert archive / Indiana / Flash Flood Warnings in 2020

Flash Flood Warning 1, NWS Indianapolis, IN

March 20, 20208 counties in Indiana

NWS Indianapolis, IN issued this flash flood warning at Mar 20, 2020, 2:14 AM EDT for 8 counties in Indiana. It was in force for 5 hr. 2 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
Mar 20, 2020, 2:14 AM EDT (06:14 UTC)
Expired
Mar 20, 2020, 7:11 AM EDT
In force
5 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

Counties Bartholomew County, IN, Brown County, IN, Decatur County, IN, Johnson County, IN, Monroe County, IN, Morgan County, IN, Rush County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 35 km from the middle of the area, began a volume at 06:14 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
Mar 20, 2:58 AM EDTFLASH FLOOD3 Nnw Adams, INWATER ALONG I-74 NEAR MILE MARKER 123.
Mar 20, 2:58 AM EDTFLASH FLOOD5 Nnw Geneva, INWATER FLOWING OVER THE ROAD NEAR SR 9 AND COUNTY ROAD 500S.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.2 hours before the alert went out and 192 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, Cncnati-Daytn, OH at 00:00Z on 2020-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 102 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, Cncnati-Daytn, OH at 00:00Z on 2020-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 482 square meters per square second.1939587897Sfc1 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
102 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
482 m²/s²
0-3 km storm-relative helicity
526 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

801 
WGUS53 KIND 200614
FFWIND
INC005-013-031-081-105-109-139-145-200915-
/O.NEW.KIND.FF.W.0001.200320T0614Z-200320T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
214 AM EDT Fri Mar 20 2020

The National Weather Service in Indianapolis has issued a

* Flash Flood Warning for...
  Shelby County in central Indiana...
  Monroe County in south central Indiana...
  Rush County in central Indiana...
  Southern Morgan County in central Indiana...
  Northwestern Decatur County in central Indiana...
  Northern Brown County in south central Indiana...
  Johnson County in central Indiana...
  Northern Bartholomew County in central Indiana...

* Until 515 AM EDT.

* At 213 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain have
  already fallen. Flash flooding is ongoing or expected to begin 
  shortly. An additional inch of rain is possible as storms continue 
  to track over areas that have received over 2 inches of rain.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Bloomington, Shelbyville, Greenwood, Franklin, Martinsville,
  Rushville, Nashville, Ellettsville, New Whiteland, Edinburgh,
  Whiteland, Bargersville, Flat Rock, Princes Lakes, Geneva,
  Morristown, Trafalgar, St. Paul, Morgantown and Carthage.

# This includes the following highways...
 Interstate 65 between mile markers 73 and 98.
 Interstate 74 between mile markers 104 and 129.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3912 8637 3899 8668 3932 8668 3935 8663
      3943 8663 3970 8572 3970 8563 3973 8563
      3979 8542 3979 8530 3947 8530

FLASH FLOOD...RADAR INDICATED

$$

AW
3 follow-up statements
865 
WGUS73 KIND 200704
FFSIND

Flash Flood Statement
National Weather Service Indianapolis IN
304 AM EDT Fri Mar 20 2020

INC005-013-031-081-105-109-139-145-200915-
/O.CON.KIND.FF.W.0001.000000T0000Z-200320T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shelby IN-Monroe IN-Rush IN-Morgan IN-Decatur IN-Brown IN-Johnson IN-
Bartholomew IN-
304 AM EDT Fri Mar 20 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM EDT FOR
SHELBY...MONROE...RUSH...SOUTHERN MORGAN...NORTHWESTERN DECATUR...
NORTHERN BROWN...JOHNSON AND NORTHERN BARTHOLOMEW COUNTIES...

At 302 AM EDT, law enforcement reported flash flooding is occurring 
in Shelby and Decatur county. Over three inches of rain has already 
fallen with heavy rain continuing in the eastern portion of the 
warning. Flash flooding is already occurring and will continue.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Law enforcement.

IMPACT...Flooding of small creeks and streams, urban areas, 
         highways, streets and underpasses as well as other drainage 
         and low lying areas.

Some locations that will experience flooding include...
Bloomington, Shelbyville, Greenwood, Franklin, Martinsville,
Rushville, Nashville, Ellettsville, New Whiteland, Edinburgh,
Whiteland, Bargersville, Flat Rock, Princes Lakes, Geneva,
Morristown, Trafalgar, St. Paul, Morgantown and Carthage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3912 8637 3899 8668 3932 8668 3935 8663
      3943 8663 3970 8572 3970 8563 3973 8563
      3979 8542 3979 8530 3947 8530

FLASH FLOOD...OBSERVED

$$

AW
819 
WGUS53 KIND 200839
FFWIND
INC005-013-031-081-105-109-139-145-201315-
/O.EXT.KIND.FF.W.0001.000000T0000Z-200320T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
439 AM EDT Fri Mar 20 2020

The National Weather Service in Indianapolis has extended the

* Flash Flood Warning for...
  Shelby County in central Indiana...
  Monroe County in south central Indiana...
  Rush County in central Indiana...
  Southern Morgan County in central Indiana...
  Northwestern Decatur County in central Indiana...
  Northern Brown County in south central Indiana...
  Johnson County in central Indiana...
  Northern Bartholomew County in central Indiana...

* Until 915 AM EDT.

* At 438 AM EDT, law enforcement reported flash flooding was 
  ongoing. Over 3 inches of rain has fallen over the warned area. 
  Heavy rain has ended, but the threat for flash flooding will 
  continue for several more hours.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Law enforcement.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Bloomington, Shelbyville, Greenwood, Franklin, Martinsville,
  Rushville, Nashville, Ellettsville, New Whiteland, Edinburgh,
  Whiteland, Bargersville, Flat Rock, Princes Lakes, Geneva,
  Morristown, Trafalgar, St. Paul, Morgantown and Carthage.

# This includes the following highways...
 Interstate 65 between mile markers 73 and 98.
 Interstate 74 between mile markers 104 and 129.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3912 8637 3899 8668 3932 8668 3935 8663
      3943 8663 3970 8572 3970 8563 3973 8563
      3979 8542 3979 8530 3947 8530

FLASH FLOOD...OBSERVED

$$

AW
531 
WGUS73 KIND 201111
FFSIND

Flash Flood Statement
National Weather Service Indianapolis IN
711 AM EDT Fri Mar 20 2020

INC005-013-031-081-105-109-139-145-201120-
/O.CAN.KIND.FF.W.0001.000000T0000Z-200320T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shelby IN-Monroe IN-Rush IN-Morgan IN-Decatur IN-Brown IN-Johnson IN-
Bartholomew IN-
711 AM EDT Fri Mar 20 2020

...THE FLASH FLOOD WARNING FOR SHELBY...MONROE...RUSH...SOUTHERN
MORGAN...NORTHWESTERN DECATUR...NORTHERN BROWN...JOHNSON AND NORTHERN
BARTHOLOMEW COUNTIES IS CANCELLED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3912 8637 3899 8668 3932 8668 3935 8663
      3943 8663 3970 8572 3970 8563 3973 8563
      3979 8542 3979 8530 3947 8530

$$

MK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 8:50 PM EDTRiver Flood WarningINDJohnson39 hr
Mar 19, 11:16 PM EDTRiver Flood WarningINDDelaware, Randolph19 hr
Mar 19, 11:24 PM EDTAreal Flood WarningINDClay, Greene, Knox, Monroe, Owen, Sullivan6 hr
Mar 20, 12:19 AM EDTAreal Flood WarningINDBartholomew, Brown, Decatur, Johnson, Monroe, Morgan and 2 more6 hr
Mar 20, 1:31 AM EDTSpecial Weather StatementINDGreene29 min
Mar 20, 1:54 AM EDTSpecial Weather StatementINDOwen51 min
Mar 20, 2:08 AM EDTSpecial Weather StatementINDJohnson, Morgan52 min
Mar 20, 2:41 AM EDTRiver Flood WarningINDBartholomew, Jackson56 hr
Mar 20, 2:41 AM EDTRiver Flood WarningINDBartholomew54 hr
Mar 20, 2:41 AM EDTRiver Flood WarningINDJohnson40 hr
Mar 20, 4:49 AM EDTRiver Flood WarningINDBartholomew15 hr
Mar 20, 4:49 AM EDTRiver Flood WarningINDBartholomew6 hr
Mar 20, 5:51 AM EDTSpecial Weather StatementINDJackson, Lawrence, Martin39 min
Mar 20, 6:05 AM EDTRiver Flood WarningINDDecatur26 hr
Mar 20, 6:20 AM EDTRiver Flood WarningINDShelby28 hr
Mar 20, 7:08 PM EDTRiver Flood WarningINDDaviess, Dubois, Martin, Pike8 days
Mar 20, 7:08 PM EDTRiver Flood WarningINDBartholomew17 hr

Nearby

Flash Flood Warnings in Indiana, 2020Every flash flood warning in 2020

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.