Alert archive / Indiana / Flash Flood Warnings in 2015

Flash Flood Warning 21, NWS Indianapolis, IN

July 3, 2015Shelby County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 3, 2015, 3:21 PM EDT for Shelby County, Indiana. It was in force for 6 hr. 3 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 3, 2015, 3:21 PM EDT (19:21 UTC)
Expired
Jul 3, 2015, 9:30 PM EDT
In force
6 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

County Shelby County, IN

The radar

The Indianapolis radar (KIND), 50 km from the middle of the area, began a volume at 19:21 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

TimeReportWhereRemark
Jul 3, 5:00 PM EDTFLASH FLOOD3 S Shelbyville, INWATER FLOWING OVER ROADS AT THE INTERSECTION OF STATE ROUTE 9 AND COUNTY ROAD 350S. REPORTED THROUGH CBS4.
Jul 3, 7:10 PM EDTFLASH FLOODShelbyville, INANKLE DEEP WATER IN A BASEMENT OF A HOME IN SHELBYVILLE. REPORTED BY CBS4.
Jul 3, 7:10 PM EDTHEAVY RAIN 5.5Shelbyville, INTOTAL RAIN FELL IN 4 HOURS EARLIER THIS AFTERNOON. REPORTED BY CBS4.

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, 7.4 hours before the alert went out and 252 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2015-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2015-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

700 
WGUS53 KIND 031921
FFWIND
INC145-040130-
/O.NEW.KIND.FF.W.0021.150703T1921Z-150704T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
321 PM EDT FRI JUL 3 2015

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN SHELBY COUNTY IN CENTRAL INDIANA...

* UNTIL 930 PM EDT

* AT 318 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. DOPPLER RADAR IS ESTIMATING AS MUCH AS FOUR INCHES OF 
  RAINFALL WEST OF SHELBYVILLE.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SHELBYVILLE.

THIS WARNING INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 81 AND 83.

THIS WARNING INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 111 AND 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND... DONT DROWN.

&&

LAT...LON 3936 8595 3953 8595 3963 8563 3954 8563
      3938 8563

$$

NIELD
1 follow-up statement
392 
WGUS73 KIND 032115
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
515 PM EDT FRI JUL 3 2015

INC145-040130-
/O.CON.KIND.FF.W.0021.000000T0000Z-150704T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SHELBY-
515 PM EDT FRI JUL 3 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN SHELBY COUNTY
UNTIL 930 PM EDT...

AT 513 PM EDT...RAINFALL TOTALS OF FOUR OR MORE INCHES HAD OCCURRED 
IN CENTRAL AND SOUTHERN SHELBY COUNTY...ESPECIALLY NEAR AND WEST OF 
SHELBYVILLE. THIS INCLUDES STATE ROADS 44 AND 9.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
SHELBYVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE PUBLIC REPORTED WATER OVER THE ROAD AT COUNTY ROAD 3 50 SOUTH 
AND STATE ROAD 9 AT 500 PM EDT.

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 3936 8595 3953 8595 3963 8563 3954 8563
      3938 8563

$$

NIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 1:37 PM EDTFlash Flood WarningINDShelby3 hr
Jul 3, 3:25 PM EDTAreal Flood AdvisoryINDBrown3 hr
Jul 3, 3:34 PM EDTAreal Flood AdvisoryINDJohnson3 hr

Nearby

Flash Flood Warnings in Indiana, 2015Every flash flood warning in 2015

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.