Alert archive / Indiana / Flash Flood Warnings in 2016

Flash Flood Warning 17, NWS Indianapolis, IN

August 28, 2016Henry County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Aug 28, 2016, 6:07 PM EDT for Henry 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 28, 2016, 6:07 PM EDT (22:07 UTC)
Expired: Aug 28, 2016, 9:00 PM EDT
In force: 3 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

County Henry County, IN

The radar

The Indianapolis radar (KIND), 90 km from the middle of the area, began a volume at 22:07 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 28, 7:30 PM EDT	FLASH FLOOD	5 E New Castle, IN	COUNTY ROAD 500E FLOODED NORTH OF STATE ROUTE 38 NEAR THE FLATROCK RIVER. LOCAL POLICE ARE BLOCKING OFF THE ROAD.

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 12:00Z, 10.1 hours before the alert went out and 134 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: 1387 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1137 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

687 
WGUS53 KIND 282207
FFWIND
INC065-290100-
/O.NEW.KIND.FF.W.0017.160828T2207Z-160829T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
607 PM EDT SUN AUG 28 2016

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN HENRY COUNTY IN EAST CENTRAL INDIANA...

* UNTIL 900 PM EDT

* AT 606 PM EDT...DOPPLER RADAR INDICATED NEARLY STATIONARY
  THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA WITH
  ESTIMATES OF OVER 2 INCHES SINCE 515 PM EAST OF NEW CASTLE. FLASH
  FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NEW CASTLE...LEWISVILLE AND STRAUGHN. 

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 124 AND 133.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3987 8521 3987 8522 3979 8522 3979 8541
      3997 8537 3999 8520 3992 8520

$$

RYAN

2 follow-up statements

904 
WGUS73 KIND 282345
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
745 PM EDT SUN AUG 28 2016

INC065-290100-
/O.CON.KIND.FF.W.0017.000000T0000Z-160829T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HENRY IN-
745 PM EDT SUN AUG 28 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
SOUTHEASTERN HENRY COUNTY...

AT 743 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS HAD ENDED
ACROSS THE WARNED AREA. ADDITIONAL STORMS TO THE NORTHWEST HOWEVER
MAY MOVE BACK INTO EASTERN HENRY COUNTY AFTER 830 PM EDT. WITH RADAR
ESTIMATES OF 3 TO 4 INCHES FALLING EAST OF NEW CASTLE BETWEEN 515
AND 630 PM...THE THREAT FOR FLASH FLOODING CONTINUES.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEW CASTLE...LEWISVILLE AND STRAUGHN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3987 8521 3987 8522 3979 8522 3979 8541
      3997 8537 3999 8520 3992 8520

$$

RYAN

651 
WGUS73 KIND 290059
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
859 PM EDT SUN AUG 28 2016

INC065-290108-
/O.EXP.KIND.FF.W.0017.000000T0000Z-160829T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HENRY IN-
859 PM EDT SUN AUG 28 2016

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN HENRY COUNTY WILL EXPIRE
AT 900 PM EDT...

FLOOD WATERS HAVE RECEDED. RAIN SHOWERS WILL IMPACT THE AREA THROUGH
930...BUT ARE NOT EXPECTED TO CAUSE ANY ADDITIONAL FLOODING. PLEASE
CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3987 8521 3987 8522 3979 8522 3979 8541
      3997 8537 3999 8520 3992 8520

$$

RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 5:16 PM EDT	Special Weather Statement	IND	Hamilton, Marion	59 min
Aug 28, 5:26 PM EDT	Severe Thunderstorm Warning	IND	Hamilton	34 min
Aug 28, 5:32 PM EDT	Areal Flood Advisory	IND	Hamilton, Marion	3 hr
Aug 28, 5:45 PM EDT	Flash Flood Warning	IND	Hamilton	3 hr
Aug 28, 7:40 PM EDT	Special Weather Statement	IND	Delaware, Madison	50 min
Aug 28, 7:54 PM EDT	Flash Flood Warning	IND	Delaware, Randolph	5 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.