Alert archive / Indiana / Flash Flood Warnings in 2016

Flash Flood Warning 34, NWS Louisville, KY

July 15, 2016Perry County, Indiana

NWS Louisville, KY issued this flash flood warning at Jul 15, 2016, 5:09 PM CDT for Perry County, Indiana. It was in force for 2 hr. 2 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: Jul 15, 2016, 5:09 PM CDT (22:09 UTC)
Expired: Jul 15, 2016, 7:15 PM CDT
In force: 2 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

County Perry County, IN

The radar

The Louisville radar (KLVX), 73 km from the middle of the area, began a volume at 22:11 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
Jul 15, 5:22 PM CDT	FLOOD	1 Sw Sassafras, IN	SEVERAL SPOTS ON 145 NORTH AND SOUTH OF BRISTOW ARE UNDERWATER.
Jul 15, 5:22 PM CDT	FLASH FLOOD	1 Sw Sassafras, IN	CORRECTED REPORT. SEVERAL SPOTS ON 145 NORTH AND SOUTH OF BRISTOW ARE UNDERWATER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.2 hours before the alert went out and 230 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: 222 J/kg
Mixed-layer CIN: -184 J/kg
Mixed-layer LCL: 1010 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: -71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

832 
WGUS53 KLMK 152209
FFWLMK
INC123-160015-
/O.NEW.KLMK.FF.W.0034.160715T2209Z-160716T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
509 PM CDT FRI JUL 15 2016

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN PERRY COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 715 PM CDT

* AT 508 PM CDT...TRAINED WEATHER SPOTTERS REPORTED 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...
  SASSAFRAS...CELINA...SIBERIA...UNIONTOWN...ADYEVILLE...
  BRANCHVILLE...SAINT CROIX...KITTERMAN CORNERS AND DOOLITTLE MILLS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3818 8679 3825 8679 3825 8657 3816 8657
      3815 8680 3818 8680

$$

ZT

1 follow-up statement

599 
WGUS73 KLMK 152259
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
559 PM CDT FRI JUL 15 2016

INC123-152309-
/O.CAN.KLMK.FF.W.0034.000000T0000Z-160716T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PERRY IN-
559 PM CDT FRI JUL 15 2016

...THE FLASH FLOOD WARNING FOR NORTHWESTERN PERRY COUNTY IS
CANCELLED...

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

LAT...LON 3818 8679 3825 8679 3825 8657 3816 8657
      3815 8680 3818 8680

$$

ZT

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 15, 2:20 PM CDT	Special Weather Statement	LMK	Dubois	25 min
Jul 15, 2:22 PM CDT	Special Weather Statement	LMK	Jefferson	23 min
Jul 15, 2:34 PM CDT	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Orange	26 min
Jul 15, 2:55 PM CDT	Special Weather Statement	LMK	Scott	35 min
Jul 15, 2:59 PM CDT	Special Weather Statement	LMK	Crawford	46 min
Jul 15, 4:06 PM CDT	Special Weather Statement	LMK	Perry	39 min
Jul 15, 4:35 PM CDT	Areal Flood Advisory	LMK	Perry	115 min
Jul 15, 4:46 PM CDT	Special Weather Statement	LMK	Perry	119 min
Jul 15, 4:52 PM CDT	Special Weather Statement	LMK	Dubois	23 min

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.