Alert archive / Indiana / Areal Flood Warnings in 2017
Areal Flood Warning 77, NWS Indianapolis, IN
NWS Indianapolis, IN issued this areal flood warning at Aug 2, 2017, 2:28 AM EDT for 4 counties in Indiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2017, 2:28 AM EDT (06:28 UTC)
- Expired
- Aug 2, 2017, 5:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, IN, Owen County, IN, Putnam County, IN, Vigo County, IN
The radar
The Indianapolis radar (KIND), 72 km from the middle of the area, began a volume at 06:27 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.5 hours before the alert went out and 279 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.
- Mixed-layer CAPE
- 305 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1588 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning 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 areal flood warning went out at Aug 2, 1:00 AM EDT, 1 hour 28 minutes earlier.
Area forecast discussion, Aug 2, 1:00 AM EDT, 1 hour 28 minutes before
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</html>Hazardous weather outlook, Aug 1, 9:40 PM EDT, 4 hours 48 minutes before
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</html>Nearby
Areal Flood Warnings in Indiana, 2017Every areal flood warning in 2017
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.