Alert archive / Arkansas / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 239
The Storm Prediction Center issued this severe thunderstorm watch at Jun 6, 2014, 10:18 AM CDT for 57 counties in Arkansas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 6, 2014, 10:18 AM CDT (15:18 UTC)
- Expired
- Jun 6, 2014, 3:06 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 57 counties
Arkansas County, AR, Baxter County, AR, Benton County, AR, Boone County, AR, Bradley County, AR, Calhoun County, AR, Carroll County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Conway County, AR, Crawford County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Johnson County, AR, Lincoln County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Newton County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR
The radar
The Little Rock radar (KLZK), 91 km from the middle of the area, began a volume at 15:19 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
- 10%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 10:49 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 56 min |
| Jun 6, 10:55 AM CDT | Severe Thunderstorm Warning | SHV | Howard, Sevier | 65 min |
| Jun 6, 10:56 AM CDT | Severe Thunderstorm Warning | LZK | Montgomery, Pike, Polk | 49 min |
| Jun 6, 11:24 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 51 min |
| Jun 6, 11:33 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Montgomery, Pike, Polk, Scott, Yell | 42 min |
| Jun 6, 11:49 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 56 min |
| Jun 6, 12:06 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Garland, Hot Spring, Johnson, Logan, Montgomery and 3 more | 54 min |
| Jun 6, 12:32 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Garland, Hot Spring, Johnson, Logan, Perry and 3 more | 43 min |
| Jun 6, 12:48 PM CDT | Flash Flood Warning | TSA | Carroll, Madison | 4 hr |
| Jun 6, 12:56 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Perry, Pope, Pulaski, Saline and 1 more | 49 min |
| Jun 6, 1:24 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Conway, Faulkner, Lonoke, Prairie, Pulaski and 3 more | 51 min |
| Jun 6, 1:44 PM CDT | Severe Thunderstorm Warning | LZK | Grant, Jefferson, Lonoke, Prairie, Pulaski, Saline | 31 min |
| Jun 6, 2:01 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Cleburne, Faulkner, Independence, Jackson, Lonoke and 6 more | 44 min |
| Jun 6, 2:12 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Independence, Izard, Marion, Searcy and 2 more | 48 min |
| Jun 6, 2:34 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Independence, Jackson, Monroe, Prairie, Stone and 2 more | 26 min |
| Jun 6, 2:48 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Independence, Izard, Sharp | 42 min |
| Jun 6, 2:53 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Independence, Jackson, Monroe, White, Woodruff | 52 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
Springfield, MO (KSGF), launched 12:00Z, 3.3 hours before the alert went out and 199 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
- 1525 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 9:14 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll | 3 hr |
| Jun 5, 9:36 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Madison, Washington | 7 hr |
| Jun 6, 9:52 AM CDT | Mesoscale Discussion | SPC | Arkansas, Bradley, Calhoun, Clark, Cleveland, Conway and 32 more | 53 min |
| Jun 6, 11:22 AM CDT | Mesoscale Discussion | SPC | Crittenden, Lee, Phillips, St. Francis | 83 min |
| Jun 6, 11:51 AM CDT | Severe Thunderstorm Watch | SPC | Ashley, Chicot, Clay, Craighead, Crittenden, Cross and 8 more | 7 hr |
| Jun 6, 12:49 PM CDT | Mesoscale Discussion | SPC | Conway, Faulkner, Grant, Hot Spring, Jefferson, Lonoke and 8 more | 56 min |
| Jun 6, 2:43 PM CDT | Mesoscale Discussion | SPC | Arkansas, Cleburne, Craighead, Crittenden, Cross, Desha and 22 more | 92 min |
Nearby
Severe Thunderstorm Watches in Arkansas, 2014Every severe thunderstorm watch in 2014
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.