Alert archive / Arkansas / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 68

March 22, 200535 counties in Arkansas; 26 counties in Mississippi; Shelby County, Tennessee

The Storm Prediction Center issued this severe thunderstorm watch at Mar 22, 2005, 12:55 PM CST for 35 counties in Arkansas; 26 counties in Mississippi; Shelby County, Tennessee. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 22, 2005, 12:55 PM CST (18:55 UTC)
Expired
Mar 22, 2005, 8:00 PM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 62 counties

Arkansas County, AR, Baxter County, AR, Boone County, AR, Chicot County, AR, Clay County, AR, Cleburne County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Faulkner County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Marion County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Randolph County, AR, Searcy County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Attala County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Choctaw County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Lafayette County, MS, Leflore County, MS, Marshall County, MS, Montgomery County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Shelby County, TN

The radar

The Memphis radar (KNQA), 82 km from the middle of the area, began a volume at 18:56 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 22, 2:30 PM CSTSevere Thunderstorm WarningLZKPrairie, Woodruff45 min
Mar 22, 3:00 PM CSTSevere Thunderstorm WarningMEGCross, Poinsett45 min
Mar 22, 3:19 PM CSTSevere Thunderstorm WarningMEGLee26 min
Mar 22, 3:37 PM CSTSevere Thunderstorm WarningMEGPanola, Quitman38 min
Mar 22, 3:44 PM CSTSevere Thunderstorm WarningMEGCross31 min
Mar 22, 4:04 PM CSTSevere Thunderstorm WarningMEGCraighead30 min
Mar 22, 4:06 PM CSTSevere Thunderstorm WarningMEGCrittenden24 min
Mar 22, 4:13 PM CSTSevere Thunderstorm WarningMEGCross17 min
Mar 22, 4:14 PM CSTTornado WarningMEGDeSoto, Tunica46 min
Mar 22, 4:17 PM CSTSevere Thunderstorm WarningMEGPanola43 min
Mar 22, 4:26 PM CSTSevere Thunderstorm WarningMEGCrittenden, Poinsett34 min
Mar 22, 4:42 PM CSTTornado WarningMEGPoinsett33 min
Mar 22, 4:51 PM CSTSevere Thunderstorm WarningMEGShelby24 min
Mar 22, 4:52 PM CSTSevere Thunderstorm WarningMEGLafayette, Marshall38 min
Mar 22, 5:00 PM CSTTornado WarningMEGDeSoto30 min
Mar 22, 5:06 PM CSTTornado WarningMEGMississippi24 min
Mar 22, 5:09 PM CSTSevere Thunderstorm WarningMEGCraighead36 min
Mar 22, 5:23 PM CSTTornado WarningMEGShelby37 min
Mar 22, 5:26 PM CSTTornado WarningMEGMississippi34 min
Mar 22, 5:27 PM CSTSevere Thunderstorm WarningMEGBenton, Marshall, Union33 min
Mar 22, 6:00 PM CSTTornado WarningMEGMississippi32 min
Mar 22, 6:24 PM CSTSevere Thunderstorm WarningJANKemper, Neshoba, Noxubee, Winston36 min
Mar 22, 6:44 PM CSTSevere Thunderstorm WarningJANLowndes, Noxubee46 min
Mar 22, 6:58 PM CSTTornado WarningJANNoxubee32 min
Mar 22, 7:07 PM CSTTornado WarningJANLowndes, Noxubee8 min
Mar 22, 7:21 PM CSTSevere Thunderstorm WarningJANOktibbeha31 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

Little Rock, AR (KLZK), launched 12:00Z, 6.9 hours before the alert went out and 73 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, Little Rock, AR at 12:00Z on 2005-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 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, Little Rock, AR at 12:00Z on 2005-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
6 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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
Mar 21, 8:29 PM CSTMesoscale DiscussionSPCBradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 11 more91 min
Mar 21, 9:20 PM CSTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 11 more7 hr
Mar 21, 10:12 PM CSTMesoscale DiscussionSPCBenton, Boone, Carroll, Crawford, Franklin, Johnson and 8 more63 min
Mar 21, 10:15 PM CSTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Franklin, Logan, Madison and 5 more6 hr
Mar 21, 11:09 PM CSTMesoscale DiscussionSPCHempstead, Howard, Lafayette, Little River, Miller, Pike and 1 more96 min
Mar 21, 11:26 PM CSTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 10 more94 min
Mar 22, 1:45 AM CSTTornado WatchSPCAshley, Bradley, Chicot, Union6 hr
Mar 22, 2:20 AM CSTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Logan, Madison and 5 more85 min
Mar 22, 3:57 AM CSTMesoscale DiscussionSPCAshley, Bradley, Chicot, Union2 hr
Mar 22, 11:55 AM CSTMesoscale DiscussionSPCArkansas, Chicot, Cleburne, Conway, Crittenden, Cross and 20 more95 min
Mar 22, 2:39 PM CSTMesoscale DiscussionSPCBaxter, Cleburne, Craighead, Crittenden, Cross, Faulkner and 19 more96 min
Mar 22, 4:27 PM CSTMesoscale DiscussionSPCClay, Mississippi33 min
Mar 22, 3:00 AM CSTTornado WatchSPCWilkinson5 hr
Mar 22, 5:59 AM CSTMesoscale DiscussionSPCAdams, Amite, Attala, Carroll, Claiborne, Copiah and 8 more2 hr
Mar 22, 6:55 AM CSTTornado WatchSPCClarke, Covington, Forrest, George, Greene, Hancock and 19 more6 hr
Mar 22, 9:44 AM CSTMesoscale DiscussionSPCGeorge, Greene, Hancock, Harrison, Jackson61 min
Mar 22, 3:43 PM CSTMesoscale DiscussionSPCAmite, Attala, Clarke, Covington, Forrest, Greene and 23 more2 hr
Mar 22, 4:50 PM CSTSevere Thunderstorm WatchSPCAlcorn, Benton, Itawamba, Lee, Pontotoc, Prentiss and 3 more5 hr

Nearby

Severe Thunderstorm Watches in Arkansas, 2005Severe Thunderstorm Watches in Mississippi, 2005Severe Thunderstorm Watches in Tennessee, 2005Every severe thunderstorm watch in 2005

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.