Alert archive / Indiana / Flood Watches in 2009

Flood Watch 3, NWS Indianapolis, IN

May 15, 20096 counties in Indiana

NWS Indianapolis, IN issued this flood watch at May 15, 2009, 2:31 PM EDT for 6 counties in Indiana. It took effect at May 15, 2009, 10:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: May 15, 2009, 2:31 PM EDT (18:31 UTC)
In effect from: May 15, 2009, 10:00 PM EDT
Expired: May 16, 2009, 4:06 AM EDT
In force: 6 hr
Issued by: NWS Indianapolis, IN
Flood severity: None

Counties Carroll County, IN, Clinton County, IN, Fountain County, IN, Howard County, IN, Tippecanoe County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 85 km from the middle of the area, began a volume at 18:32 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, 6.5 hours before the alert went out and 157 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1235 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 242 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this 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 flood watch went out at May 15, 1:11 PM EDT, 1 hour 20 minutes earlier.

Area forecast discussion, May 15, 1:11 PM EDT, 1 hour 20 minutes before

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Hazardous weather outlook, May 15, 7:48 AM EDT, 6 hours 43 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
May 15, 6:39 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jennings, Shelby	39 min
May 15, 7:26 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Shelby	34 min

Nearby

Flood Watches in Indiana, 2009 Every flood watch in 2009

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.