Alert archive / Arkansas / Tornado Watches in 2015
Tornado Watch 202
The Storm Prediction Center issued this tornado watch at May 24, 2015, 12:34 PM CDT for 58 counties in Arkansas; 9 parishes in Louisiana; Bowie County, Cass County, Morris County, Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 24, 2015, 12:34 PM CDT (17:34 UTC)
- Expired
- May 24, 2015, 6:49 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 70 counties
Arkansas County, AR, Baxter County, AR, Boone County, AR, Bradley County, AR, Calhoun County, AR, Carroll 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, 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, Lafayette County, AR, Lincoln County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Madison 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, Sebastian County, AR, Sevier County, AR, Sharp County, AR, Stone County, AR, Union County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Ouachita Parish, LA, Union Parish, LA, Webster Parish, LA, Bowie County, TX, Cass County, TX, Morris County, TX
The radar
The Little Rock radar (KLZK), 80 km from the middle of the area, began a volume at 17:33 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 30%
- 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
- 70%
Warnings issued inside it
35 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 12:49 PM CDT | Severe Thunderstorm Warning | SHV | Little River, Miller | 56 min |
| May 24, 1:36 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Lincoln, Union | 39 min |
| May 24, 2:00 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Union | 30 min |
| May 24, 2:23 PM CDT | Flash Flood Warning | LZK | Polk, Scott | 3 hr |
| May 24, 2:29 PM CDT | Severe Thunderstorm Warning | LZK | Calhoun, Dallas, Ouachita | 46 min |
| May 24, 2:39 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Garland, Hot Spring, Logan, Montgomery, Perry and 1 more | 51 min |
| May 24, 2:39 PM CDT | Severe Thunderstorm Warning | SHV | Union | 66 min |
| May 24, 2:51 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Dallas, Garland, Hot Spring, Ouachita | 54 min |
| May 24, 2:56 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Montgomery, Polk, Scott, Yell | 49 min |
| May 24, 3:12 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Izard, Sharp | 48 min |
| May 24, 3:13 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Ouachita, Union | 29 min |
| May 24, 3:15 PM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Dallas, Grant, Hot Spring, Jefferson, Saline | 30 min |
| May 24, 3:19 PM CDT | Severe Thunderstorm Warning | LZK | Bradley, Calhoun, Cleveland, Dallas, Drew, Jefferson and 1 more | 26 min |
| May 24, 3:19 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Marion, Searcy | 26 min |
| May 24, 3:21 PM CDT | Tornado Warning | LZK | Baxter, Marion, Searcy | 24 min |
| May 24, 3:25 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Grant, Hot Spring, Perry, Pulaski, Saline | 50 min |
| May 24, 3:30 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Perry, Pope, Yell | 60 min |
| May 24, 3:41 PM CDT | Severe Thunderstorm Warning | LZK | Grant, Jefferson, Lonoke, Pulaski, Saline | 49 min |
| May 24, 3:45 PM CDT | Severe Thunderstorm Warning | LZK | Bradley, Cleveland, Drew, Grant, Jefferson, Lincoln and 1 more | 45 min |
| May 24, 3:55 PM CDT | Severe Thunderstorm Warning | LZK | Baxter | 35 min |
| May 24, 4:02 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Perry, Pope, Pulaski, Saline and 1 more | 43 min |
| May 24, 4:06 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Lonoke, Pulaski, Saline, White | 24 min |
| May 24, 4:28 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Faulkner, Lonoke, Prairie, Pulaski, White | 47 min |
| May 24, 4:30 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Cleveland, Jefferson, Lincoln, Lonoke, Prairie and 1 more | 60 min |
| May 24, 4:35 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Desha, Drew, Lincoln | 55 min |
| May 24, 4:45 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Faulkner, Searcy, Stone, Van Buren | 60 min |
| May 24, 5:04 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Faulkner, Independence, Izard, Jackson, Lonoke and 3 more | 41 min |
| May 24, 5:20 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard, Marion, Searcy, Stone | 40 min |
| May 24, 5:26 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Desha, Monroe | 49 min |
| May 24, 5:29 PM CDT | Tornado Warning | LZK | Arkansas, Desha | 31 min |
| May 24, 5:37 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Fulton, Independence, Izard, Jackson, Sharp and 3 more | 38 min |
| May 24, 5:52 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Monroe, Prairie | 53 min |
| May 24, 5:54 PM CDT | Tornado Warning | LZK | Fulton, Sharp | 21 min |
| May 24, 5:59 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard | 31 min |
| May 24, 6:11 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Independence, Izard, Jackson, Sharp | 34 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, 5.6 hours before the alert went out and 230 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
- 183 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 259 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
878 WWUS20 KWNS 241731 SEL2 SPC WW 241731 ARZ000-LAZ000-TXZ000-250000- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 202 NWS STORM PREDICTION CENTER NORMAN OK 1230 PM CDT SUN MAY 24 2015 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF MUCH OF ARKANSAS NORTHERN LOUISIANA FAR NORTHEAST TEXAS * EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1230 PM UNTIL 700 PM CDT. * PRIMARY THREATS INCLUDE... A FEW TORNADOES AND A COUPLE INTENSE TORNADOES POSSIBLE ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE SUMMARY...STRENGTHENING THUNDERSTORMS WILL CONTINUE MOVING NORTH-NORTHEASTWARD ACROSS THE ARKLATEX REGION AND LATER ACROSS MUCH OF ARKANSAS...WITH SEVERE RISK GRADUALLY INCREASING WITH TIME. POTENTIAL FOR DAMAGING WINDS AND A FEW TORNADOES WILL BE THE PRIMARY RISKS THIS AFTERNOON. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHWEST OF FLIPPIN ARKANSAS TO 50 MILES SOUTH SOUTHWEST OF EL DORADO ARKANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 21035. ...GOSS
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 10:49 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Scott, Sebastian, Washington | 86 min |
| May 24, 12:05 PM CDT | Mesoscale Discussion | SPC | Calhoun, Clark, Columbia, Dallas, Garland, Grant and 18 more | 115 min |
| May 24, 1:49 PM CDT | Tornado Watch | SPC | Ashley, Chicot | 8 hr |
| May 24, 3:31 PM CDT | Mesoscale Discussion | SPC | Ashley, Baxter, Boone, Bradley, Calhoun, Clark and 31 more | 89 min |
| May 24, 4:14 PM CDT | Tornado Watch | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more | 8 hr |
| May 24, 6:04 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lee and 4 more | 116 min |
| May 24, 5:03 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Avoyelles, Catahoula, Concordia, East Baton Rouge and 30 more | 117 min |
| May 23, 8:39 PM CDT | Mesoscale Discussion | SPC | Atascosa, Bastrop, Bee, Bexar, Blanco, Caldwell and 18 more | 2 hr |
| May 23, 8:57 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Cooke, Denton, Fannin and 7 more | 93 min |
| May 23, 9:46 PM CDT | Mesoscale Discussion | SPC | Anderson, Austin, Bell, Bosque, Brazos, Burleson and 28 more | 89 min |
| May 23, 10:00 PM CDT | Tornado Watch | SPC | Anderson, Austin, Bell, Bosque, Brazos, Burleson and 34 more | 6 hr |
| May 23, 10:31 PM CDT | Severe Thunderstorm Watch | SPC | Aransas, Brooks, Cameron, Hidalgo, Jim Hogg, Jim Wells and 8 more | 5 hr |
| May 23, 11:32 PM CDT | Mesoscale Discussion | SPC | Anderson, Atascosa, Austin, Bell, Brazos, Burleson and 36 more | 88 min |
| May 23, 11:52 PM CDT | Mesoscale Discussion | SPC | Brooks, Cameron, Duval, Hidalgo, Jim Wells, Kenedy and 3 more | 83 min |
| May 23, 11:59 PM CDT | Mesoscale Discussion | SPC | Bandera, Gillespie, Kendall, Kerr, Kinney, Real and 2 more | 91 min |
| May 24, 2:12 AM CDT | Mesoscale Discussion | SPC | Aransas, Brazoria, Calhoun, Cameron, Fort Bend, Jackson and 4 more | 93 min |
| May 24, 3:16 AM CDT | Mesoscale Discussion | SPC | Collin, Fannin, Grayson | 59 min |
| May 24, 3:15 PM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Callahan, Childress, Coleman, Collingsworth and 26 more | 90 min |
Nearby
Tornado Watches in Arkansas, 2015Tornado Watches in Louisiana, 2015Tornado Watches in Texas, 2015Every tornado 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.