Alert archive / Arkansas / Tornado Watches in 2019
Tornado Watch 183
The Storm Prediction Center issued this tornado watch at May 18, 2019, 12:48 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 18, 2019, 12:48 PM CDT (17:48 UTC)
- Expired
- May 18, 2019, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 66 counties
Arkansas County, AR, Baxter County, AR, Boone County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Izard County, AR, Jefferson County, AR, Johnson County, AR, Lafayette County, AR, Lincoln County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Marion County, AR, Miller 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, Sevier County, AR, Stone County, AR, Van Buren County, AR, Yell County, AR, Bossier Parish, LA, Caddo Parish, LA, McCurtain County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, Morris County, TX, Red River County, TX, Rusk County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Western Arkansas radar (KSRX), 160 km from the middle of the area, began a volume at 17:49 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
- 70%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 80%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
40 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 1:38 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Polk, Scott | 52 min |
| May 18, 1:43 PM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 47 min |
| May 18, 2:09 PM CDT | Tornado Warning | LZK | Logan | 36 min |
| May 18, 2:25 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan | 50 min |
| May 18, 2:32 PM CDT | Flash Flood Warning | SHV | McCurtain | 3 hr |
| May 18, 2:40 PM CDT | Severe Thunderstorm Warning | SHV | Little River, Sevier | 50 min |
| May 18, 2:52 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Newton | 53 min |
| May 18, 3:07 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Newton, Pope, Searcy, Van Buren and 1 more | 53 min |
| May 18, 3:30 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Pike | 60 min |
| May 18, 3:36 PM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion, Newton, Searcy | 54 min |
| May 18, 3:47 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Nevada | 58 min |
| May 18, 3:51 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Conway, Faulkner, Pope, Searcy, Stone and 2 more | 39 min |
| May 18, 4:05 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Garland, Hot Spring, Saline | 40 min |
| May 18, 4:21 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Dallas, Grant, Hot Spring, Ouachita | 54 min |
| May 18, 4:26 PM CDT | Severe Thunderstorm Warning | SHV | Franklin, Smith, Wood | 49 min |
| May 18, 4:39 PM CDT | Tornado Warning | LZK | Dallas, Grant, Hot Spring | 15 min |
| May 18, 4:54 PM CDT | Severe Thunderstorm Warning | SHV | Camp, Franklin, Morris, Red River, Titus | 51 min |
| May 18, 5:04 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Faulkner, White | 41 min |
| May 18, 5:06 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Smith | 54 min |
| May 18, 5:09 PM CDT | Severe Thunderstorm Warning | LZK | Bradley, Calhoun, Cleveland, Dallas, Grant, Jefferson | 66 min |
| May 18, 5:12 PM CDT | Severe Thunderstorm Warning | SHV | Smith, Upshur, Wood | 63 min |
| May 18, 5:23 PM CDT | Tornado Warning | SHV | Smith | 52 min |
| May 18, 5:24 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass | 36 min |
| May 18, 5:32 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson, Lonoke, Prairie | 43 min |
| May 18, 5:42 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Camp, Franklin, Morris, Red River, Titus | 48 min |
| May 18, 5:47 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Cleveland, Jefferson, Lincoln | 58 min |
| May 18, 5:56 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Rusk, Smith | 49 min |
| May 18, 6:01 PM CDT | Severe Thunderstorm Warning | SHV | Camp, Cass, Gregg, Harrison, Marion, Morris and 2 more | 44 min |
| May 18, 6:06 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Monroe, Prairie, Woodruff | 54 min |
| May 18, 6:10 PM CDT | Tornado Warning | LZK | Monroe, Prairie | 28 min |
| May 18, 6:17 PM CDT | Tornado Warning | SHV | Rusk, Smith | 43 min |
| May 18, 6:21 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson | 26 min |
| May 18, 6:35 PM CDT | Tornado Warning | LZK | Arkansas, Monroe | 11 min |
| May 18, 6:37 PM CDT | Severe Thunderstorm Warning | SHV | Miller | 38 min |
| May 18, 6:41 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Panola, Rusk | 64 min |
| May 18, 6:58 PM CDT | Tornado Warning | SHV | Gregg, Harrison, Panola, Rusk | 36 min |
| May 18, 7:08 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Smith | 67 min |
| May 18, 7:19 PM CDT | Tornado Warning | SHV | Harrison, Marion | 41 min |
| May 18, 7:24 PM CDT | Tornado Warning | SHV | Cherokee | 51 min |
| May 18, 7:41 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 64 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
Shreveport, LA (KBAD), launched 12:00Z, 5.8 hours before the alert went out and 159 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
- 471 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 9:10 AM CDT | Tornado Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 8 hr |
| May 18, 12:11 PM CDT | Mesoscale Discussion | SPC | Howard, Little River, Polk, Scott, Sevier | 64 min |
| May 18, 12:47 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more | 88 min |
| May 18, 3:32 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Clark, Cleburne, Conway, Dallas and 24 more | 88 min |
| May 18, 6:19 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Chicot, Cleveland, Craighead and 21 more | 116 min |
| May 18, 6:42 PM CDT | Severe Thunderstorm Watch | SPC | Crittenden, Cross, Lee, Phillips, St. Francis | 4 hr |
| May 18, 5:16 PM CDT | Mesoscale Discussion | SPC | Bienville, Caldwell, Claiborne, De Soto, Grant, Jackson and 11 more | 119 min |
| May 17, 7:00 PM CDT | Mesoscale Discussion | SPC | Beaver | 2 hr |
| May 18, 1:35 AM CDT | Mesoscale Discussion | SPC | Carter, Comanche, Cotton, Garvin, Grady, Jefferson and 2 more | 2 hr |
| May 18, 2:20 AM CDT | Tornado Watch | SPC | Carter, Cleveland, Comanche, Cotton, Garvin, Grady and 9 more | 8 hr |
| May 18, 5:11 AM CDT | Mesoscale Discussion | SPC | Carter, Comanche, Cotton, Garvin, Jefferson, Love and 3 more | 2 hr |
| May 18, 6:51 AM CDT | Mesoscale Discussion | SPC | Carter, Cleveland, Coal, Cotton, Garvin, Grady and 11 more | 114 min |
| May 18, 7:47 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Caddo, Canadian, Cleveland, Creek and 18 more | 88 min |
| May 18, 9:38 AM CDT | Mesoscale Discussion | SPC | Craig, Creek, Delaware, Mayes, Nowata, Osage and 5 more | 2 hr |
| May 18, 3:31 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Dewey, Ellis, Garfield, Grant, Harper and 3 more | 119 min |
| May 18, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beaver, Blaine, Ellis, Garfield, Grant and 5 more | 6 hr |
| May 18, 6:07 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Dewey, Ellis, Garfield, Grant and 6 more | 83 min |
| May 17, 9:20 PM CDT | Mesoscale Discussion | SPC | Crockett, Irion, Reagan, Schleicher, Sutton, Terrell and 1 more | 85 min |
| May 17, 11:47 PM CDT | Mesoscale Discussion | SPC | Borden, Brown, Callahan, Coke, Coleman, Concho and 34 more | 2 hr |
| May 18, 1:16 PM CDT | Tornado Watch | SPC | Anderson, Bastrop, Bell, Blanco, Brazos, Burleson and 19 more | 9 hr |
| May 18, 6:37 PM CDT | Mesoscale Discussion | SPC | Cooke, Dallas, Denton, Parker, Tarrant, Wise | 53 min |
Nearby
Tornado Watches in Arkansas, 2019Tornado Watches in Texas, 2019Tornado Watches in Louisiana, 2019Every tornado watch in 2019
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.