Alert archive / Indiana / High Wind Watches in 2009

High Wind Watch 1, NWS Northern Indiana

February 10, 200921 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan

NWS Northern Indiana issued this high wind watch at Feb 10, 2009, 4:41 AM EST for 21 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan. It took effect at Feb 11, 2009, 10:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Feb 10, 2009, 4:41 AM EST (09:41 UTC)
In effect from: Feb 11, 2009, 10:00 AM EST
Expired: Feb 10, 2009, 3:35 PM EST
In force
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 09:47 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 00:00Z, 9.7 hours before the alert went out and 299 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: 11 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1056 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 341 m²/s²
0-3 km storm-relative helicity: 452 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 high wind watch 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 high wind watch went out at Feb 10, 1:32 AM EST, 3 hours 9 minutes earlier.

Area forecast discussion, Feb 10, 1:32 AM EST, 3 hours 9 minutes before

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Hazardous weather outlook, Feb 9, 9:23 PM EST, 7 hours 18 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 4:40 AM EST	Flood Watch	IWX	Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more	44 hr
Feb 10, 10:43 AM EST	River Flood Warning	IWX	Allen, DeKalb	8 days
Feb 10, 3:35 PM EST	High Wind Warning	IWX	Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more	37 hr
Feb 10, 10:43 AM EST	River Flood Warning	IWX	Williams	5 days

Nearby

High Wind Watches in Indiana, 2009 High Wind Watches in Ohio, 2009 High Wind Watches in Michigan, 2009 Every high wind 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.