Alert archive / Indiana / Flash Flood Warnings in 2016

Flash Flood Warning 12, NWS Indianapolis, IN

August 26, 2016Clay County, Vigo County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Aug 26, 2016, 3:49 PM EDT for Clay County, Vigo 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: Aug 26, 2016, 3:49 PM EDT (19:49 UTC)
Expired: Aug 26, 2016, 6:45 PM EDT
In force: 3 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Clay County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 88 km from the middle of the area, began a volume at 19:50 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
Aug 26, 5:00 PM EDT	FLASH FLOOD	Seelyville, IN	US 40 FLOODED NEAR THE INTERSECTION WITH BAKER STREET.

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 12:00Z, 7.8 hours before the alert went out and 135 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: 154 J/kg
Mixed-layer CIN: -162 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

544 
WGUS53 KIND 261949
FFWIND
INC021-167-262245-
/O.NEW.KIND.FF.W.0012.160826T1949Z-160826T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
349 PM EDT FRI AUG 26 2016

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CLAY COUNTY IN WEST CENTRAL INDIANA...
  NORTHEASTERN VIGO COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 645 PM EDT

* AT 347 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. TWO TO THREE INCHES HAS FALLEN
  SINCE 2 PM NEAR SEELYVILLE. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  TERRE HAUTE...SEELYVILLE...STAUNTON...RILEY...NORTH TERRE HAUTE AND
  INDIANA STATE UNIVERSITY.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 7 AND 17.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3958 8715 3940 8724 3937 8745 3954 8738

$$

RYAN

1 follow-up statement

954 
WGUS73 KIND 262129
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
529 PM EDT FRI AUG 26 2016

INC021-167-262245-
/O.CON.KIND.FF.W.0012.000000T0000Z-160826T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY IN-VIGO IN-
529 PM EDT FRI AUG 26 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR
NORTHWESTERN CLAY AND NORTHEASTERN VIGO COUNTIES...

AT 525 PM EDT...DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS
PRODUCING HEAVY RAIN CONTINUING ACROSS THE WARNED AREA. RADAR
ESTIMATED OVER 3 INCHES OF RAIN HAD FALLEN NEAR SEELYVILLE SINCE 2
PM. US 40 WAS FLOODED NEAR THE INTERSECTION WITH BAKER STREET IN
SEELYVILLE AT 5 PM.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
TERRE HAUTE...SEELYVILLE...STAUNTON...RILEY...NORTH TERRE HAUTE AND
INDIANA STATE UNIVERSITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3958 8715 3940 8724 3937 8745 3954 8738

$$

RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 5:54 AM EDT	Special Weather Statement	IND	Fountain, Warren	51 min
Aug 26, 6:48 AM EDT	Special Weather Statement	IND	Montgomery, Tippecanoe	42 min
Aug 26, 8:00 AM EDT	Special Weather Statement	IND	Boone, Hamilton	30 min
Aug 26, 8:28 AM EDT	Special Weather Statement	IND	Hancock, Marion	47 min
Aug 26, 8:40 AM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Marion	35 min
Aug 26, 8:53 AM EDT	Tornado Warning	IND	Hancock, Marion, Shelby	22 min
Aug 26, 9:05 AM EDT	Severe Thunderstorm Warning	IND	Decatur, Hancock, Henry, Rush, Shelby	40 min
Aug 26, 9:19 AM EDT	Areal Flood Advisory	IND	Hancock, Marion	3 hr
Aug 26, 9:42 AM EDT	Severe Thunderstorm Warning	IND	Rush	33 min
Aug 26, 3:32 PM EDT	Areal Flood Advisory	IND	Clay, Vigo	3 hr
Aug 26, 3:56 PM EDT	Areal Flood Advisory	IND	Bartholomew, Johnson	3 hr
Aug 26, 4:01 PM EDT	Severe Thunderstorm Warning	IND	Parke, Vermillion	29 min
Aug 26, 4:24 PM EDT	Severe Thunderstorm Warning	IND	Montgomery, Parke, Putnam	27 min
Aug 26, 4:28 PM EDT	Flash Flood Warning	IND	Parke, Vermillion	3 hr
Aug 26, 5:24 PM EDT	Areal Flood Advisory	IND	Hancock, Marion	3 hr
Aug 26, 6:12 PM EDT	Flash Flood Warning	IND	Hamilton, Hancock, Hendricks, Johnson, Marion, Morgan	3 hr

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.