Alert archive / Indiana / Freeze Watches in 2016

Freeze Watch 1, NWS Indianapolis, IN

April 1, 201632 counties in Indiana

NWS Indianapolis, IN issued this freeze watch at Apr 1, 2016, 2:29 PM EDT for 32 counties in Indiana. It took effect at Apr 3, 2016, 3:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Apr 1, 2016, 2:29 PM EDT (18:29 UTC)
In effect from: Apr 3, 2016, 3:00 AM EDT
Expired: Apr 2, 2016, 3:45 AM EDT
In force
Issued by: NWS Indianapolis, IN

All 32 counties

Bartholomew County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Jackson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Vermillion County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 26 km from the middle of the area, began a volume at 18:30 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 204 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: 10 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 834 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 119 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 freeze 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 freeze watch went out at Apr 1, 1:40 PM EDT, 49 minutes earlier.

Area forecast discussion, Apr 1, 1:40 PM EDT, 49 minutes before

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Hazardous weather outlook, Apr 1, 4:15 AM EDT, 10 hours 14 minutes before

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In the hours before

Local storm report, Apr 1, 11:31 AM EDT, 2 hours 58 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
Apr 1, 2:29 PM EDT	Wind Advisory	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	26 hr

Nearby

Freeze Watches in Indiana, 2016 Every freeze watch in 2016

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.