Alert archive / Arkansas / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 116

April 24, 200437 counties in Arkansas; LeFlore County, McCurtain County, Sequoyah County, Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Apr 24, 2004, 1:40 AM CDT for 37 counties in Arkansas; LeFlore County, McCurtain County, Sequoyah County, Oklahoma. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Apr 24, 2004, 1:40 AM CDT (06:40 UTC)
Expired
Apr 24, 2004, 6:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 40 counties

Arkansas County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Conway County, AR, Crawford 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, Independence County, AR, Jackson County, AR, Jefferson County, AR, Johnson County, AR, Lincoln County, AR, Logan County, AR, Lonoke County, AR, Monroe County, AR, Montgomery 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, Sebastian County, AR, Sevier County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR, LeFlore County, OK, McCurtain County, OK, Sequoyah County, OK

Warnings issued inside it

2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 24, 2:01 AM CDTSevere Thunderstorm WarningTSALeFlore59 min
Apr 24, 4:51 AM CDTFlash Flood WarningLZKBoone, Johnson, Newton3 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 00:00Z, 6.7 hours before the alert went out and 217 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2004-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2004-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
981 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 7:05 PM CDTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Logan, Madison and 3 more25 min
Apr 23, 7:35 PM CDTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Franklin, Madison, Scott and 2 more6 hr
Apr 23, 9:43 PM CDTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Madison, Scott and 2 more62 min
Apr 23, 11:33 PM CDTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Madison, Scott and 2 more57 min
Apr 24, 4:16 AM CDTMesoscale DiscussionSPCArkansas, Clark, Cleveland, Conway, Dallas, Desha and 24 more59 min
Apr 24, 11:50 AM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clay and 36 more55 min
Apr 24, 12:10 PM CDTTornado WatchSPCArkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 35 more8 hr
Apr 24, 12:35 PM CDTSevere Thunderstorm WatchSPCAshley, Chicot, Columbia, Union6 hr
Apr 24, 3:23 PM CDTMesoscale DiscussionSPCArkansas, Clay, Craighead, Crittenden, Cross, Desha and 18 more67 min
Apr 24, 5:04 PM CDTMesoscale DiscussionSPCChicot26 min
Apr 24, 5:08 PM CDTMesoscale DiscussionSPCClay, Craighead, Greene, Jackson, Lawrence, Mississippi and 2 more2 hr
Apr 24, 6:40 PM CDTTornado WatchSPCClay, Mississippi5 hr
Apr 23, 7:48 PM CDTMesoscale DiscussionSPCCarter, Cotton, Jefferson, Johnston, Love, Marshall and 3 more87 min
Apr 23, 7:56 PM CDTMesoscale DiscussionSPCAdair, Atoka, Cherokee, Coal, Haskell, Johnston and 4 more2 hr
Apr 23, 9:18 PM CDTMesoscale DiscussionSPCCarter, Coal, Jefferson, Johnston, Love, Marshall and 2 more57 min
Apr 23, 11:08 PM CDTMesoscale DiscussionSPCCarter, Johnston, Love, Marshall, Murray37 min

Nearby

Severe Thunderstorm Watches in Arkansas, 2004Severe Thunderstorm Watches in Oklahoma, 2004Every severe thunderstorm watch in 2004

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.