Alert archive / Indiana / Flash Flood Warnings in 2016

Flash Flood Warning 21, NWS Indianapolis, IN

September 8, 2016Greene County, Monroe County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Sep 8, 2016, 9:18 PM EDT for Greene County, Monroe County, Indiana. It was in force for 3 hr. 1 report 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 8, 2016, 9:18 PM EDT (01:18 UTC)
Expired: Sep 9, 2016, 12:15 AM EDT
In force: 3 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Greene County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 73 km from the middle of the area, began a volume at 01:16 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 8, 11:01 PM EDT	FLASH FLOOD	Bloomington, IN	WATER RESCUE FROM VEHICLE AT 5300 W. WOODWARD RD.

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, 1.3 hours before the alert went out and 196 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: 41 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

515 
WGUS53 KIND 090118
FFWIND
INC055-105-090415-
/O.NEW.KIND.FF.W.0021.160909T0118Z-160909T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
918 PM EDT THU SEP 8 2016

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN SOUTH CENTRAL INDIANA...
  NORTHERN GREENE COUNTY IN SOUTHWESTERN INDIANA...

* UNTIL 1215 AM EDT.

* AT 917 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BLOOMINGTON...BLOOMFIELD...ELLETTSVILLE...WORTHINGTON...
  SWITZ CITY...STINESVILLE...WOODVILLE HILLS...UNIONVILLE...
  LAKE LEMON...INDIANA UNIVERSITY...WHITEHALL...
  SOLSBERRY AND SMITHVILLE.

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 3900 8713 3910 8703 3917 8671 3917 8668
      3931 8668 3933 8640 3924 8637 3910 8637
      3901 8669

$$

PUMA

1 follow-up statement

994 
WGUS73 KIND 090409
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1209 AM EDT FRI SEP 9 2016

INC055-105-090418-
/O.EXP.KIND.FF.W.0021.000000T0000Z-160909T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE IN-GREENE IN-
1209 AM EDT FRI SEP 9 2016

...THE FLASH FLOOD WARNING FOR MONROE AND NORTHERN GREENE COUNTIES
WILL EXPIRE AT 1215 AM EDT...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3900 8713 3910 8703 3917 8671 3917 8668
      3931 8668 3933 8640 3924 8637 3910 8637
      3901 8669

$$

RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 8, 9:49 PM EDT	Flash Flood Warning	IND	Bartholomew, Decatur, Jennings	3 hr
Sep 9, 12:42 AM EDT	Areal Flood Warning	IND	Bartholomew, Decatur, Jennings	6 hr
Sep 9, 3:57 AM EDT	Areal Flood Advisory	IND	Rush	3 hr
Sep 9, 6:50 AM EDT	Areal Flood Advisory	IND	Rush	3 hr
Sep 9, 8:44 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	4 days
Sep 9, 10:51 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	3 days

Nearby

Flash Flood Warnings in Indiana, 2016 Every flash flood warning in 2016

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.