Alert archive / Arkansas / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 362
The Storm Prediction Center issued this severe thunderstorm watch at Jun 26, 2015, 3:31 PM CDT for 39 counties in Arkansas; 7 counties in Oklahoma. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 26, 2015, 3:31 PM CDT (20:31 UTC)
- Expired
- Jun 26, 2015, 9:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 46 counties
Arkansas County, AR, Clark County, AR, Cleveland County, AR, Conway County, AR, Crawford County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Faulkner County, AR, Franklin County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Johnson County, AR, Lee County, AR, Lincoln County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Monroe County, AR, Montgomery County, AR, Perry County, AR, Phillips County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, St. Francis County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pushmataha County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 90 km from the middle of the area, began a volume at 20:31 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
22 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 3:38 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Sequoyah | 37 min |
| Jun 26, 3:45 PM CDT | Severe Thunderstorm Warning | TSA | Madison, Washington | 60 min |
| Jun 26, 3:51 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 24 min |
| Jun 26, 4:15 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison, Sebastian, Washington | 60 min |
| Jun 26, 4:27 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Van Buren | 39 min |
| Jun 26, 4:47 PM CDT | Flash Flood Warning | TSA | Washington | 3 hr |
| Jun 26, 5:01 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Lonoke, White | 44 min |
| Jun 26, 5:06 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Newton | 39 min |
| Jun 26, 5:22 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Yell | 53 min |
| Jun 26, 5:36 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Lonoke, Pulaski, White | 24 min |
| Jun 26, 5:49 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Montgomery, Perry, Saline, Yell | 56 min |
| Jun 26, 5:56 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Logan, Perry, Pope, Yell | 49 min |
| Jun 26, 5:58 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke, Prairie, White | 32 min |
| Jun 26, 6:22 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg | 53 min |
| Jun 26, 6:25 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Perry, Pulaski, Saline | 65 min |
| Jun 26, 6:28 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke, Prairie | 32 min |
| Jun 26, 6:47 PM CDT | Flash Flood Warning | LZK | Conway, Faulkner, Perry | 3 hr |
| Jun 26, 7:11 PM CDT | Flash Flood Warning | LZK | Faulkner, Perry, Pulaski, Saline | 3 hr |
| Jun 26, 7:12 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Lonoke, Prairie, Pulaski, Saline | 63 min |
| Jun 26, 7:12 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 29 min |
| Jun 26, 7:52 PM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 38 min |
| Jun 26, 8:47 PM CDT | Flash Flood Warning | LZK | Montgomery | 2 hr |
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, 8.5 hours before the alert went out and 236 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
- 43 J/kg
- Mixed-layer CIN
- -214 J/kg
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 11:50 AM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Clay, Craighead, Fulton, Greene and 8 more | 115 min |
| Jun 26, 12:18 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Clay, Cleburne, Craighead, Crittenden and 15 more | 7 hr |
| Jun 26, 2:35 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Madison, Sebastian, Washington | 85 min |
| Jun 26, 3:16 PM CDT | Mesoscale Discussion | SPC | Clay, Cleburne, Conway, Craighead, Crittenden, Cross and 33 more | 89 min |
| Jun 26, 6:28 PM CDT | Mesoscale Discussion | SPC | Arkansas, Clark, Cleveland, Conway, Cross, Dallas and 26 more | 92 min |
| Jun 25, 7:04 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 86 min |
| Jun 26, 5:24 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 19 more | 96 min |
Nearby
Severe Thunderstorm Watches in Arkansas, 2015Severe Thunderstorm Watches in Oklahoma, 2015Every severe thunderstorm watch 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.