Alert archive / Indiana / Flash Flood Watches in 2010

Flash Flood Watch 7, NWS Indianapolis, IN

June 23, 201035 counties in Indiana

NWS Indianapolis, IN issued this flash flood watch at Jun 23, 2010, 2:14 PM EDT for 35 counties in Indiana. It took effect at Jun 23, 2010, 8:00 PM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Jun 23, 2010, 2:14 PM EDT (18:14 UTC)
In effect from: Jun 23, 2010, 8:00 PM EDT
Expired: Jun 24, 2010, 5:50 AM EDT
In force: 10 hr
Issued by: NWS Indianapolis, IN
Flood severity: None

All 35 counties

Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jennings County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 9 km from the middle of the area, began a volume at 18:16 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.2 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: 1735 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 1302 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Indianapolis, IN wrote its last area forecast discussion before this flash flood watch went out at Jun 22, 7:10 PM EDT, 19 hours 4 minutes earlier.

Area forecast discussion, Jun 22, 7:10 PM EDT, 19 hours 4 minutes before

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Hazardous weather outlook, Jun 22, 4:50 PM EDT, 21 hours 24 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 4:18 AM EDT	Heat Advisory	IND	Bartholomew, Brown, Clay, Daviess, Decatur, Greene and 18 more	16 hr

Nearby

Flash Flood Watches in Indiana, 2010 Every flash flood watch in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.