Alert archive / Indiana / Areal Flood Warnings in 2020

Areal Flood Warning 2, NWS Indianapolis, IN

January 11, 20209 counties in Indiana

NWS Indianapolis, IN issued this areal flood warning at Jan 11, 2020, 7:33 AM EST for 9 counties in Indiana. It was in force for 6 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: Jan 11, 2020, 7:33 AM EST (12:33 UTC)
Expired: Jan 11, 2020, 1:38 PM EST
In force: 6 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Clay County, IN, Daviess County, IN, Greene County, IN, Knox County, IN, Martin County, IN, Monroe County, IN, Owen County, IN, Sullivan County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 99 km from the middle of the area, began a volume at 12:34 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 12:00Z, 0.6 hours before the alert went out and 284 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: 1025 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 776 m²/s²
0-3 km storm-relative helicity: 952 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 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 Jan 11, 5:45 AM EST, 1 hour 48 minutes earlier.

Area forecast discussion, Jan 11, 5:45 AM EST, 1 hour 48 minutes before

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Hazardous weather outlook, Jan 11, 4:14 AM EST, 3 hours 19 minutes before

Hazardous Weather Outlook
National Weather Service Indianapolis IN
414 AM EST Sat Jan 11 2020

INZ021-028>031-035>049-051>057-060>065-067>072-121100-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
Including the cities of Delphi, Flora, Williamsport, West Lebanon,
Lafayette, West Lafayette, Frankfort, Kokomo, Attica, Covington,
Veedersburg, Crawfordsville, Lebanon, Zionsville, Tipton, Fishers,
Carmel, Noblesville, Anderson, Muncie, Winchester, Clinton, Newport,
Rockville, Greencastle, Plainfield, Brownsburg, Danville,
Indianapolis, Greenfield, Cumberland, New Castle, Terre Haute,
Brazil, Clay City, Spencer, Martinsville, Mooresville, Greenwood,
Franklin, Shelbyville, Rushville, Sullivan, Linton, Bloomfield,
Bloomington, Nashville, Columbus, Greensburg, Vincennes, Washington,
Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown,
and North Vernon
414 AM EST Sat Jan 11 2020

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

Outlook: Heavy rain and flooding, windy conditions and isolated
thunderstorms.

Hazards: Flooding of low lying areas and along rivers and streams.
         Wind gusts over 40 mph.
         Lightning and gusty winds in thunderstorms.

Timing: Heavy rain and flooding at times today. Windy conditions
through late tonight. Lightning through early evening. Thunderstorms
with gusty winds through early evening.

Discussion: A low pressure system will bring widespread rain and
windy conditions to central Indiana.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Outlook: River flooding will develop and persist into next week. Snow
is possible late next week. Little or no accumulation is expected at
this time.

Discussion: High pressure will briefly bring dry weather to central
Indiana Sunday and Sunday night. More rain and later snow is possible
as more weather systems move in next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible but not likely through 7 pm.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

In the hours before

Local storm report, Jan 11, 3:52 AM EST, 3 hours 41 minutes before

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Local storm report, Jan 11, 5:58 AM EST, 1 hour 35 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
Jan 10, 7:50 PM EST	River Flood Warning	IND	Putnam	21 days
Jan 11, 3:07 AM EST	River Flood Warning	IND	Henry, Rush, Shelby	21 days
Jan 11, 7:28 AM EST	Areal Flood Warning	IND	Boone, Carroll, Clay, Clinton, Fountain, Hamilton and 13 more	6 hr
Jan 11, 8:39 AM EST	Areal Flood Warning	IND	Delaware, Hamilton, Hancock, Henry, Johnson, Madison and 5 more	21 hr
Jan 11, 8:42 AM EST	Areal Flood Warning	IND	Bartholomew, Brown, Greene, Jackson, Lawrence, Martin and 1 more	21 hr
Jan 11, 10:30 AM EST	Special Weather Statement	IND	Decatur, Henry, Rush	45 min
Jan 11, 10:42 AM EST	Areal Flood Advisory	IND	Decatur, Delaware, Henry, Jackson, Jennings, Randolph and 1 more	3 hr
Jan 11, 1:24 PM EST	Areal Flood Advisory	IND	Boone, Clay, Hamilton, Hendricks, Marion, Montgomery and 5 more	16 hr
Jan 11, 1:40 PM EST	Areal Flood Advisory	IND	Clay, Daviess, Greene, Knox, Martin, Monroe and 3 more	16 hr
Jan 11, 2:19 PM EST	River Flood Warning	IND	Delaware, Madison	35 hr
Jan 11, 2:19 PM EST	River Flood Warning	IND	Johnson	21 days
Jan 11, 4:24 PM EST	River Flood Warning	IND	Hendricks, Morgan	6 hr
Jan 11, 5:49 PM EST	River Flood Warning	IND	Marion	38 hr

Nearby

Areal Flood Warnings in Indiana, 2020 Every areal flood warning in 2020

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.