Alert archive / Kentucky / Severe Thunderstorm Watches in 2012
Severe Thunderstorm Watch 526
The Storm Prediction Center issued this severe thunderstorm watch at Jul 26, 2012, 1:46 PM CDT for 4 states. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2012, 1:46 PM CDT (18:46 UTC)
- Expired
- Jul 26, 2012, 11:30 PM CDT
- In force
- 10 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 172 counties
Alexander County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Crawford County, IL, Cumberland County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair 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, Brown County, IN, Clark County, IN, Clay County, IN, Crawford County, IN, Daviess County, IN, Decatur County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Greene County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Orange County, IN, Owen County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Vanderburgh County, IN, Vigo County, IN, Warrick County, IN, Washington County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Ballard County, KY, Barren County, KY, Bourbon County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clinton County, KY, Crittenden County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Fayette County, KY, Franklin County, KY, Fulton County, KY, Garrard County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henderson County, KY, Henry County, KY, Hickman County, KY, Hopkins County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Marion County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Trimble County, KY, Union County, KY, Warren County, KY, Washington County, KY, Webster County, KY, Woodford County, KY, Barry County, MO, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Christian County, MO, Crawford County, MO, Dent County, MO, Douglas County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Ozark County, MO, Perry County, MO, Phelps County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Washington County, MO, Wayne County, MO, Wright County, MO
The radar
The Paducah radar (KPAH), 117 km from the middle of the area, began a volume at 18:48 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
59 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:27 PM CDT | Severe Thunderstorm Warning | SGF | Douglas | 29 min |
| Jul 26, 2:34 PM CDT | Severe Thunderstorm Warning | SGF | Texas | 36 min |
| Jul 26, 3:21 PM CDT | Severe Thunderstorm Warning | PAH | Daviess | 24 min |
| Jul 26, 3:24 PM CDT | Severe Thunderstorm Warning | LMK | Bullitt, Hardin | 31 min |
| Jul 26, 3:27 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union | 48 min |
| Jul 26, 3:27 PM CDT | Severe Thunderstorm Warning | SGF | Ozark, Taney | 48 min |
| Jul 26, 3:29 PM CDT | Severe Thunderstorm Warning | LMK | Hancock, Ohio | 31 min |
| Jul 26, 3:29 PM CDT | Severe Thunderstorm Warning | PAH | Bollinger, Cape Girardeau, Scott, Wayne | 31 min |
| Jul 26, 3:32 PM CDT | Severe Thunderstorm Warning | LMK | Franklin, Henry, Shelby | 33 min |
| Jul 26, 3:40 PM CDT | Severe Thunderstorm Warning | PAH | Williamson | 35 min |
| Jul 26, 3:45 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 45 min |
| Jul 26, 3:45 PM CDT | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 30 min |
| Jul 26, 3:47 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 43 min |
| Jul 26, 3:58 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 32 min |
| Jul 26, 4:00 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 30 min |
| Jul 26, 4:02 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 28 min |
| Jul 26, 4:14 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Saline | 46 min |
| Jul 26, 4:17 PM CDT | Severe Thunderstorm Warning | SGF | Howell, Oregon, Shannon | 43 min |
| Jul 26, 4:18 PM CDT | Severe Thunderstorm Warning | PAH | Pope, Saline, Williamson | 29 min |
| Jul 26, 4:21 PM CDT | Severe Thunderstorm Warning | PAH | Bollinger, Butler, Stoddard, Wayne | 39 min |
| Jul 26, 4:29 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 31 min |
| Jul 26, 4:31 PM CDT | Severe Thunderstorm Warning | LMK | Breckinridge, Bullitt, Hardin | 29 min |
| Jul 26, 4:32 PM CDT | Severe Thunderstorm Warning | LMK | Franklin, Scott | 28 min |
| Jul 26, 4:41 PM CDT | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 39 min |
| Jul 26, 4:42 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Saint Francois | 27 min |
| Jul 26, 4:43 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 32 min |
| Jul 26, 4:45 PM CDT | Severe Thunderstorm Warning | LMK | Fayette, Franklin, Scott, Woodford | 30 min |
| Jul 26, 4:58 PM CDT | Severe Thunderstorm Warning | PAH | Scott | 32 min |
| Jul 26, 4:59 PM CDT | Severe Thunderstorm Warning | LMK | Anderson, Fayette, Jessamine, Mercer, Woodford | 31 min |
| Jul 26, 5:07 PM CDT | Severe Thunderstorm Warning | LMK | Bourbon, Fayette, Harrison, Nicholas, Scott | 28 min |
| Jul 26, 5:14 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 46 min |
| Jul 26, 5:20 PM CDT | Severe Thunderstorm Warning | LMK | Anderson, Mercer, Nelson, Washington | 30 min |
| Jul 26, 5:25 PM CDT | Severe Thunderstorm Warning | PAH | Bollinger | 35 min |
| Jul 26, 5:28 PM CDT | Severe Thunderstorm Warning | LMK | Bourbon, Clark | 32 min |
| Jul 26, 5:31 PM CDT | Tornado Warning | LMK | Anderson, Mercer | 13 min |
| Jul 26, 5:37 PM CDT | Severe Thunderstorm Warning | LMK | Clark, Floyd | 28 min |
| Jul 26, 5:40 PM CDT | Severe Thunderstorm Warning | PAH | Bollinger, Butler, Scott, Stoddard, Wayne | 50 min |
| Jul 26, 5:41 PM CDT | Severe Thunderstorm Warning | LMK | Anderson, Garrard, Jessamine, Mercer, Washington, Woodford | 24 min |
| Jul 26, 5:41 PM CDT | Severe Thunderstorm Warning | PAH | Butler, Carter, Ripley, Wayne | 34 min |
| Jul 26, 5:46 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union | 29 min |
| Jul 26, 5:51 PM CDT | Severe Thunderstorm Warning | LMK | Clark, Scott, Washington | 29 min |
| Jul 26, 6:00 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Hamilton, Saline, Williamson | 45 min |
| Jul 26, 6:03 PM CDT | Severe Thunderstorm Warning | PAH | Butler, Mississippi, New Madrid, Scott, Stoddard | 42 min |
| Jul 26, 6:05 PM CDT | Severe Thunderstorm Warning | LMK | Garrard, Jessamine, Madison, Mercer, Woodford | 30 min |
| Jul 26, 6:14 PM CDT | Severe Thunderstorm Warning | LMK | Clark | 16 min |
| Jul 26, 6:16 PM CDT | Severe Thunderstorm Warning | PAH | Butler, Ripley | 29 min |
| Jul 26, 6:20 PM CDT | Severe Thunderstorm Warning | LMK | Clark, Jefferson, Scott | 19 min |
| Jul 26, 6:26 PM CDT | Severe Thunderstorm Warning | PAH | Butler, New Madrid, Scott, Stoddard | 19 min |
| Jul 26, 6:42 PM CDT | Severe Thunderstorm Warning | LMK | Boyle, Marion, Mercer, Washington | 33 min |
| Jul 26, 6:51 PM CDT | Severe Thunderstorm Warning | LMK | Garrard, Madison | 29 min |
| Jul 26, 6:53 PM CDT | Severe Thunderstorm Warning | LMK | Clark, Jefferson, Scott | 14 min |
| Jul 26, 9:07 PM CDT | Severe Thunderstorm Warning | LMK | Larue, Marion, Nelson, Washington | 28 min |
| Jul 26, 9:36 PM CDT | Severe Thunderstorm Warning | LMK | Boyle, Casey, Marion, Taylor | 9 min |
| Jul 26, 9:38 PM CDT | Severe Thunderstorm Warning | LMK | Bullitt, Spencer | 27 min |
| Jul 26, 9:53 PM CDT | Severe Thunderstorm Warning | LMK | Green, Hart, Larue, Marion, Taylor | 20 min |
| Jul 26, 10:00 PM CDT | Severe Thunderstorm Warning | LMK | Franklin, Shelby, Woodford | 30 min |
| Jul 26, 10:14 PM CDT | Severe Thunderstorm Warning | LMK | Anderson, Fayette, Franklin, Scott, Woodford | 31 min |
| Jul 26, 10:32 PM CDT | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Fayette, Harrison, Scott, Woodford | 28 min |
| Jul 26, 10:50 PM CDT | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Harrison, Nicholas | 30 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.8 hours before the alert went out and 241 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.
- Mixed-layer CAPE
- 98 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 1355 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- -83 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 1:44 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Carroll, Clay, Cleburne, Conway and 24 more | 3 hr |
| Jul 26, 5:27 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Cleburne, Conway, Craighead, Crittenden and 42 more | 33 min |
| Jul 26, 5:46 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Cleburne, Conway, Craighead, Crawford and 45 more | 6 hr |
| Jul 26, 6:29 PM CDT | Mesoscale Discussion | SPC | Clay | 61 min |
| Jul 25, 8:40 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 65 min |
| Jul 25, 8:57 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Lee, Ogle, Rock Island, Stephenson and 2 more | 6 hr |
| Jul 25, 11:34 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 7 more | 86 min |
| Jul 26, 1:40 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 15 more | 65 min |
| Jul 26, 12:09 PM CDT | Mesoscale Discussion | SPC | Boone, McHenry | 2 hr |
| Jul 26, 1:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Cumberland, Edwards and 27 more | 65 min |
| Jul 26, 3:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Franklin and 24 more | 35 min |
| Jul 26, 11:26 AM CDT | Mesoscale Discussion | SPC | Bartholomew, Blackford, Brown, Clark, Clay, Crawford and 37 more | 2 hr |
| Jul 26, 12:16 PM CDT | Severe Thunderstorm Watch | SPC | Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more | 9 hr |
| Jul 26, 2:37 PM CDT | Mesoscale Discussion | SPC | Boone, Boyd, Bracken, Campbell, Carter, Fleming and 8 more | 113 min |
| Jul 26, 3:57 PM CDT | Mesoscale Discussion | SPC | Bath, Bourbon, Breathitt, Carter, Casey, Clark and 30 more | 2 hr |
| Jul 26, 5:06 PM CDT | Mesoscale Discussion | SPC | Boyd, Greenup, Lewis | 84 min |
| Jul 26, 5:26 PM CDT | Severe Thunderstorm Watch | SPC | Bath, Boyd, Breathitt, Carter, Clay, Elliott and 24 more | 7 hr |
| Jul 25, 7:21 PM CDT | Mesoscale Discussion | SPC | Atchison | 54 min |
Nearby
Severe Thunderstorm Watches in Kentucky, 2012Severe Thunderstorm Watches in Indiana, 2012Severe Thunderstorm Watches in Illinois, 2012Every severe thunderstorm watch in 2012
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.