Alert archive / Indiana / Freeze Watches in 2016

Freeze Watch 6, NWS Indianapolis, IN

April 12, 201635 counties in Indiana

NWS Indianapolis, IN issued this freeze watch at Apr 12, 2016, 3:28 AM EDT for 35 counties in Indiana. It took effect at Apr 13, 2016, 2:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 12, 2016, 3:28 AM EDT (07:28 UTC)
In effect from
Apr 13, 2016, 2:00 AM EDT
Expired
Apr 12, 2016, 3:36 PM EDT
In force
Issued by
NWS Indianapolis, IN
All 35 counties

Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Delaware County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Johnson 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, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 13 km from the middle of the area, began a volume at 07:30 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.5 hours before the alert went out and 228 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2016-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2016-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
544 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
114 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 12, 3:28 AM EDT, 0 minutes earlier.

Area forecast discussion, Apr 12, 3:28 AM EDT, 0 minutes before
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Hazardous weather outlook, Apr 11, 10:09 PM EDT, 5 hours 19 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 8:58 AM EDTRiver Flood WarningINDBartholomew37 hr
Apr 12, 8:58 AM EDTRiver Flood WarningINDJohnson21 hr
Apr 12, 3:36 PM EDTFrost AdvisoryINDDaviess, Greene, Jackson, Jennings, Knox, Lawrence and 2 more17 hr
Apr 12, 3:36 PM EDTFreeze WarningINDBartholomew, Boone, Brown, Carroll, Clay, Clinton and 25 more17 hr

Nearby

Freeze Watches in Indiana, 2016Every 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.