Alert archive / Indiana / Excessive Heat Warnings in 2011

Excessive Heat Warning 1, NWS Northern Indiana

July 19, 201121 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan

NWS Northern Indiana issued this excessive heat warning at Jul 19, 2011, 9:23 AM EDT for 21 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan. It was in force for 5 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 19, 2011, 9:23 AM EDT (13:23 UTC)
Expired: Jul 24, 2011, 6:35 PM EDT
In force: 5 days
Issued by: NWS Northern Indiana

All 33 counties

Adams County, IN, Allen County, IN, Blackford County, IN, Cass County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, LaGrange County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Pulaski County, IN, Starke County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN, Branch County, MI, Cass County, MI, Hillsdale County, MI, Saint Joseph County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 38 km from the middle of the area, began a volume at 13:23 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, 1.4 hours before the alert went out and 233 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: 1414 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 634 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 146 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 excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before this excessive heat warning went out at Jul 19, 6:44 AM EDT, 2 hours 39 minutes earlier.

Area forecast discussion, Jul 19, 6:44 AM EDT, 2 hours 39 minutes before

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Hazardous weather outlook, Jul 19, 5:29 AM EDT, 3 hours 54 minutes before

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The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 1:07 AM EDT	Special Weather Statement	IWX	Elkhart	23 min
Jul 19, 1:26 AM EDT	Special Weather Statement	IWX	Elkhart, LaGrange, Noble	34 min
Jul 19, 2:31 AM EDT	Special Weather Statement	IWX	Kosciusko	44 min
Jul 19, 3:03 AM EDT	Severe Thunderstorm Warning	IWX	Kosciusko, Wabash	26 min
Jul 19, 4:06 AM EDT	Heat Advisory	IWX	Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more	5 hr
Jul 19, 12:35 PM EDT	Marine Dense Fog Advisory	IWX		9 hr
Jul 18, 8:04 PM EDT	Special Weather Statement	IWX	Henry, Williams	26 min
Jul 18, 8:35 PM EDT	Areal Flood Advisory	IWX	Defiance, Fulton, Henry	115 min
Jul 18, 9:07 PM EDT	Special Weather Statement	IWX	Henry	23 min
Jul 19, 12:07 AM EDT	Severe Thunderstorm Warning	IWX	Berrien, Cass	38 min

Nearby

Excessive Heat Warnings in Indiana, 2011 Excessive Heat Warnings in Ohio, 2011 Excessive Heat Warnings in Michigan, 2011 Every excessive heat warning in 2011

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.