Alert archive / Kentucky / Mesoscale Discussions in 2015

Mesoscale Discussion 192

April 2, 20154 states

The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2015, 7:32 PM CDT for 4 states. It was in force for 58 min.

The area

The outline as issued.

The facts

Issued
Apr 2, 2015, 7:32 PM CDT (00:32 UTC)
Expired
Apr 2, 2015, 8:30 PM CDT
In force
58 min
Issued by
the Storm Prediction Center
Chance of a watch
60%
All 93 counties

Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Bartholomew County, IN, Clark County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Ripley County, IN, Scott County, IN, Spencer County, IN, Switzerland County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Boone County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Carroll County, KY, Crittenden County, KY, Daviess County, KY, Edmonson County, KY, Franklin County, KY, Gallatin County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henderson County, KY, Henry County, KY, Hopkins County, KY, Jefferson County, KY, Larue County, KY, Livingston County, KY, McLean County, KY, Meade County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Cape Girardeau County, MO, Iron County, MO, Madison County, MO, Perry County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO, Wayne County, MO

The radar

The Evansville,IN radar (KVWX), 34 km from the middle of the area, began a volume at 00:33 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.5 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, Lincoln, IL at 00:00Z on 2015-04-03Temperature 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, Lincoln, IL at 00:00Z on 2015-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939587897Sfc1 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
1389 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 10:41 PM CDTSevere Thunderstorm WatchSPCAlexander, Clinton, Edwards, Franklin, Gallatin, Hamilton and 19 more6 hr
Apr 3, 3:39 AM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more66 min
Apr 3, 11:56 AM CDTMesoscale DiscussionSPCGallatin, Hardin, Johnson, Massac, Pope, Pulaski and 1 more94 min
Apr 3, 12:14 PM CDTTornado WatchSPCGallatin, Hardin, Johnson, Massac, Pope, Pulaski and 1 more8 hr
Apr 3, 2:23 PM CDTMesoscale DiscussionSPCClark, Floyd, Harrison, Jefferson, Ohio, Perry and 2 more97 min
Apr 3, 3:10 PM CDTTornado WatchSPCAdair, Anderson, Bath, Bell, Bourbon, Boyle and 53 more6 hr
Apr 3, 5:10 PM CDTMesoscale DiscussionSPCBoyd, Greenup95 min
Apr 2, 7:02 PM CDTTornado WatchSPCBarry, Barton, Cedar, Christian, Dade, Dallas and 21 more8 hr
Apr 2, 10:12 PM CDTMesoscale DiscussionSPCBarry, Christian, Douglas, Lawrence, McDonald, Newton and 3 more93 min
Apr 3, 1:16 AM CDTMesoscale DiscussionSPCBarry, Barton, Butler, Carter, Cedar, Christian and 23 more59 min
Apr 3, 1:35 AM CDTTornado WatchSPCButler, Carter, Dunklin, Mississippi, New Madrid, Pemiscot and 2 more6 hr
Apr 3, 1:52 AM CDTSevere Thunderstorm WatchSPCBarry, Barton, Camden, Cedar, Christian, Dade and 24 more4 hr
Apr 3, 4:37 AM CDTMesoscale DiscussionSPCChristian, Dent, Douglas, Howell, Laclede, Oregon and 8 more83 min
Apr 3, 5:43 AM CDTMesoscale DiscussionSPCDunklin, Pemiscot2 hr

Nearby

Mesoscale Discussions in Kentucky, 2015Mesoscale Discussions in Indiana, 2015Mesoscale Discussions in Illinois, 2015Every mesoscale discussion in 2015

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.