Alert archive / Indiana / Flash Flood Warnings in 2017

Flash Flood Warning 2, NWS Indianapolis, IN

April 29, 20175 counties in Indiana

NWS Indianapolis, IN issued this flash flood warning at Apr 29, 2017, 10:06 PM EDT for 5 counties in Indiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 29, 2017, 10:06 PM EDT (02:06 UTC)
Expired
Apr 30, 2017, 1:00 AM EDT
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

Counties Clay County, IN, Hendricks County, IN, Morgan County, IN, Owen County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 40 km from the middle of the area, began a volume at 02:09 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 00:00Z, 2.1 hours before the alert went out and 175 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 00:00Z on 2017-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2017-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 549 square meters per square second.19395878Sfc1 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
434 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
549 m²/s²
0-3 km storm-relative helicity
930 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

187 
WGUS53 KIND 300206
FFWIND
INC021-063-109-119-133-300500-
/O.NEW.KIND.FF.W.0002.170430T0206Z-170430T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
1006 PM EDT SAT APR 29 2017

The National Weather Service in Indianapolis has issued a

* Flash Flood Warning for...
  Western Morgan County in central Indiana...
  Hendricks County in central Indiana...
  East central Clay County in west central Indiana...
  Owen County in west central Indiana...
  Putnam County in west central Indiana...

* Until 100 AM EDT.

* At 1005 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 1 to 3 inches of rain are 
  possible through midnight...on top of the 2 to 3 inches that fell 
  over much of this area from Friday evening through earlier 
  today. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Brownsburg, Greencastle, Danville, Spencer, Pittsboro, Cloverdale,
  Clayton, Roachdale, Gosport, Bainbridge, Fillmore, Coatesville,
  North Salem, Lizton, Amo, Stilesville, Quincy, Carpentersville,
  Eminence and Cagles Mill Lake.

This includes the following highways...
 Interstate 70 between mile markers 33 and 56.
 Interstate 74 between mile markers 57 and 64.

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.

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 3987 8682 3987 8670 3989 8669 3992 8639
      3935 8664 3936 8665 3933 8666 3933 8668
      3934 8669 3927 8668 3928 8705

$$

Ryan
2 follow-up statements
202 
WGUS73 KIND 300312
FFSIND

Flash Flood Statement
National Weather Service Indianapolis IN
1112 PM EDT SAT APR 29 2017

INC021-063-109-119-133-300500-
/O.CON.KIND.FF.W.0002.000000T0000Z-170430T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morgan IN-Hendricks IN-Clay IN-Owen IN-Putnam IN-
1112 PM EDT SAT APR 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 AM EDT FOR
WESTERN MORGAN...HENDRICKS...EAST CENTRAL CLAY...OWEN AND PUTNAM
COUNTIES...

At 1112 PM EDT, Doppler radar indicated showers and thunderstorms 
producing heavy rain across the warned area.  Flash flooding is 
expected to continue.

Some locations that will experience flooding include...
Brownsburg, Greencastle, Danville, Spencer, Pittsboro, Cloverdale,
Clayton, Roachdale, Gosport, Bainbridge, Fillmore, Coatesville, North
Salem, Lizton, Amo, Stilesville, Quincy, Carpentersville, Eminence
and Cagles Mill Lake.

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.

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 3987 8682 3987 8670 3989 8669 3992 8639
      3935 8664 3936 8665 3933 8666 3933 8668
      3934 8669 3927 8668 3928 8705

$$

Ryan
277 
WGUS73 KIND 300500
FFSIND

Flash Flood Statement
National Weather Service Indianapolis IN
100 AM EDT SUN APR 30 2017

INC021-063-109-119-133-300510-
/O.EXP.KIND.FF.W.0002.000000T0000Z-170430T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morgan IN-Hendricks IN-Clay IN-Owen IN-Putnam IN-
100 AM EDT SUN APR 30 2017

...THE FLASH FLOOD WARNING FOR WESTERN MORGAN...HENDRICKS...EAST
CENTRAL CLAY...OWEN AND PUTNAM COUNTIES HAS EXPIRED...

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

LAT...LON 3987 8682 3987 8670 3989 8669 3992 8639
      3935 8664 3936 8665 3933 8666 3933 8668
      3934 8669 3927 8668 3928 8705

$$

PUMA

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 8:41 PM EDTSevere Thunderstorm WarningINDClay, Fountain, Greene, Montgomery, Owen, Parke and 6 more49 min
Apr 29, 9:17 PM EDTFlash Flood WarningINDClay, Parke, Vermillion, Vigo3 hr
Apr 29, 9:30 PM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Parke, Tippecanoe28 min
Apr 29, 9:44 PM EDTSevere Thunderstorm WarningINDClay, Greene, Hendricks, Morgan, Owen, Putnam46 min
Apr 29, 10:42 PM EDTRiver Flood WarningINDHamilton, Madison39 hr
Apr 29, 10:42 PM EDTRiver Flood WarningINDMarion, Morgan9 days
Apr 29, 10:42 PM EDTRiver Flood WarningINDBartholomew39 hr
Apr 29, 10:59 PM EDTFlash Flood WarningINDBoone, Hamilton, Hancock, Hendricks, Johnson, Marion and 2 more3 hr
Apr 30, 7:04 AM EDTRiver Flood WarningINDHendricks, Morgan52 hr
Apr 30, 7:04 AM EDTRiver Flood WarningINDBoone, Marion6 hr
Apr 30, 7:20 AM EDTRiver Flood WarningINDOwen63 hr
Apr 30, 8:54 AM EDTAreal Flood WarningINDBoone, Clay, Clinton, Fountain, Hamilton, Hancock and 13 more24 hr
Apr 30, 11:17 AM EDTRiver Flood WarningINDHamilton, Marion71 hr
Apr 30, 11:17 AM EDTRiver Flood WarningINDBartholomew, Jackson3 days
Apr 30, 11:17 AM EDTRiver Flood WarningINDDaviess, Dubois, Martin, Pike8 days

Nearby

Flash Flood Warnings in Indiana, 2017Every flash flood warning in 2017

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.