Alert archive / Indiana / Flash Flood Warnings in 2014

Flash Flood Warning 59, NWS Indianapolis, IN

September 10, 2014Hamilton County, Marion County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Sep 10, 2014, 8:03 PM EDT for Hamilton County, Marion County, Indiana. It was in force for 4 hr. 5 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: Sep 10, 2014, 8:03 PM EDT (00:03 UTC)
Expired: Sep 11, 2014, 12:00 AM EDT
In force: 4 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Hamilton County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 28 km from the middle of the area, began a volume at 00:03 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
Sep 10, 8:05 PM EDT	FLASH FLOOD	2 Ne Indianapolis, IN	FLOODING AT KEYSTONE AVE. AND KESSLER BLVD.
Sep 10, 8:33 PM EDT	HEAVY RAIN 1.22	Fishers, IN
Sep 10, 8:39 PM EDT	FLASH FLOOD	4 E Brownsburg, IN	100-FOOT SECTION OF INTERSTATE 74 HAS WATER 2 FEET DEEP NEAR MILE MARKER 72 OR 73
Sep 10, 8:40 PM EDT	HEAVY RAIN 1.84	Indianapolis, IN	THE ORCHARD SCHOOL AT W 64TH STREET.
Sep 10, 8:40 PM EDT	HEAVY RAIN 1.96	Indianapolis, IN	46TH STREET AND ILLINOIS

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, 0.1 hours before the alert went out and 199 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: 167 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 949 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 316 m²/s²
0-3 km storm-relative helicity: 419 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

885 
WGUS53 KIND 110003
FFWIND
INC057-097-110400-
/O.NEW.KIND.FF.W.0059.140911T0003Z-140911T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
803 PM EDT WED SEP 10 2014

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN MARION COUNTY IN CENTRAL INDIANA...
  SOUTHERN HAMILTON COUNTY IN CENTRAL INDIANA...

* UNTIL MIDNIGHT EDT

* AT 803 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  INDIANAPOLIS...FISHERS...LAWRENCE AND SPEEDWAY.

THIS WARNING INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 112 AND 126.

THIS WARNING INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 200 AND 205.

THIS WARNING INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 83 AND 93.

THIS WARNING INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 71 AND 73.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3993 8589 3993 8594 3987 8594 3987 8595
      3978 8595 3976 8632 3992 8632 3992 8624
      3994 8624 3997 8587

$$

PUMA

1 follow-up statement

185 
WGUS73 KIND 110149
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
949 PM EDT WED SEP 10 2014

INC057-097-110400-
/O.CON.KIND.FF.W.0059.000000T0000Z-140911T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAMILTON-MARION-
949 PM EDT WED SEP 10 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN HAMILTON AND
NORTHERN MARION COUNTIES UNTIL MIDNIGHT EDT...

AT 948 PM EDT...THE PUBLIC REPORTED FLOODING ACROSS THE WARNED AREA. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
INDIANAPOLIS...FISHERS...LAWRENCE AND SPEEDWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS UP TO ONE INCH ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

TURN AROUND...DON/T DROWN!

&&

LAT...LON 3993 8589 3993 8594 3987 8594 3987 8595
      3978 8595 3976 8632 3992 8632 3992 8624
      3994 8624 3997 8587

$$

PUMA

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 10, 9:14 PM EDT	Severe Thunderstorm Warning	IND	Greene, Sullivan	46 min
Sep 10, 9:30 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	45 min
Sep 10, 9:43 PM EDT	Severe Thunderstorm Warning	IND	Morgan	32 min
Sep 10, 9:56 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Monroe	49 min
Sep 10, 10:08 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson, Morgan	37 min
Sep 10, 10:25 PM EDT	Flash Flood Warning	IND	Clay, Owen, Putnam	5 hr
Sep 10, 10:30 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jackson, Lawrence, Monroe	30 min
Sep 10, 11:55 PM EDT	Areal Flood Warning	IND	Hamilton, Marion	7 hr
Sep 11, 7:47 AM EDT	River Flood Watch	IND	Carroll, Tippecanoe, White	7 days
Sep 11, 11:39 AM EDT	River Flood Warning	IND	Carroll, Tippecanoe, White	24 hr

Nearby

Flash Flood Warnings in Indiana, 2014 Every flash flood warning in 2014

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.