Alert archive / Missouri / Tornado Watches in 2006

Tornado Watch 62

March 11, 200614 counties in Arkansas; 34 counties in Missouri; 26 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at Mar 11, 2006, 12:47 PM CST for 14 counties in Arkansas; 34 counties in Missouri; 26 counties in Oklahoma. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 11, 2006, 12:47 PM CST (18:47 UTC)
Expired
Mar 11, 2006, 8:00 PM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 74 counties

Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Washington County, AR, Barry County, MO, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Marshall County, OK, Mayes County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Sequoyah County, OK, Wagoner County, OK

The radar

The Western Arkansas radar (KSRX), 55 km from the middle of the area, began a volume at 18:46 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

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

IssuedProductOfficeCountiesLasted
Mar 11, 12:57 PM CSTSevere Thunderstorm WarningTSAOkfuskee14 min
Mar 11, 1:02 PM CSTSevere Thunderstorm WarningTSAMuskogee58 min
Mar 11, 2:13 PM CSTSevere Thunderstorm WarningSGFMcDonald62 min
Mar 11, 2:16 PM CSTSevere Thunderstorm WarningTSACherokee44 min
Mar 11, 2:32 PM CSTSevere Thunderstorm WarningTSAAdair41 min
Mar 11, 2:36 PM CSTSevere Thunderstorm WarningSGFNewton37 min
Mar 11, 2:47 PM CSTSevere Thunderstorm WarningTSABenton73 min
Mar 11, 2:58 PM CSTTornado WarningSGFBarry77 min
Mar 11, 3:02 PM CSTSevere Thunderstorm WarningSGFBenton43 min
Mar 11, 3:04 PM CSTSevere Thunderstorm WarningSGFMorgan14 min
Mar 11, 3:12 PM CSTSevere Thunderstorm WarningSGFLawrence36 min
Mar 11, 3:37 PM CSTTornado WarningTSABenton, Carroll38 min
Mar 11, 3:54 PM CSTTornado WarningSGFStone43 min
Mar 11, 4:14 PM CSTTornado WarningSGFTaney58 min
Mar 11, 4:15 PM CSTSevere Thunderstorm WarningTSAMayes30 min
Mar 11, 4:20 PM CSTSevere Thunderstorm WarningTSADelaware55 min
Mar 11, 4:24 PM CSTSevere Thunderstorm WarningSGFNewton66 min
Mar 11, 4:42 PM CSTSevere Thunderstorm WarningSGFChristian26 min
Mar 11, 4:43 PM CSTSevere Thunderstorm WarningSGFMiller22 min
Mar 11, 4:45 PM CSTSevere Thunderstorm WarningTSAMayes45 min
Mar 11, 4:46 PM CSTSevere Thunderstorm WarningTSAMayes44 min
Mar 11, 4:48 PM CSTSevere Thunderstorm WarningSGFMcDonald30 min
Mar 11, 4:49 PM CSTTornado WarningSGFDouglas71 min
Mar 11, 5:11 PM CSTSevere Thunderstorm WarningTSADelaware39 min
Mar 11, 5:16 PM CSTSevere Thunderstorm WarningSGFJasper, Lawrence59 min
Mar 11, 5:32 PM CSTSevere Thunderstorm WarningSGFMcDonald45 min
Mar 11, 5:53 PM CSTSevere Thunderstorm WarningSGFGreene, Polk67 min
Mar 11, 5:59 PM CSTSevere Thunderstorm WarningSGFNewton31 min
Mar 11, 6:00 PM CSTTornado WarningSGFHowell, Texas45 min
Mar 11, 6:12 PM CSTSevere Thunderstorm WarningSGFJasper16 min
Mar 11, 6:13 PM CSTSevere Thunderstorm WarningSGFBarry22 min
Mar 11, 6:15 PM CSTTornado WarningSGFGreene28 min
Mar 11, 6:19 PM CSTSevere Thunderstorm WarningSGFDallas, Webster26 min
Mar 11, 6:19 PM CSTSevere Thunderstorm WarningSGFLawrence40 min
Mar 11, 6:33 PM CSTSevere Thunderstorm WarningSGFShannon42 min
Mar 11, 6:35 PM CSTSevere Thunderstorm WarningSGFLaclede40 min
Mar 11, 6:40 PM CSTSevere Thunderstorm WarningSGFDade22 min
Mar 11, 6:47 PM CSTSevere Thunderstorm WarningSGFChristian, Greene54 min
Mar 11, 6:53 PM CSTSevere Thunderstorm WarningSGFPolk39 min
Mar 11, 7:00 PM CSTTornado WarningSGFShannon45 min
Mar 11, 7:07 PM CSTTornado WarningSGFPulaski22 min
Mar 11, 7:18 PM CSTSevere Thunderstorm WarningSGFJasper26 min
Mar 11, 7:22 PM CSTSevere Thunderstorm WarningTSACarroll31 min
Mar 11, 7:23 PM CSTSevere Thunderstorm WarningSGFDallas52 min
Mar 11, 7:25 PM CSTSevere Thunderstorm WarningSGFWebster50 min
Mar 11, 7:29 PM CSTSevere Thunderstorm WarningSGFLawrence16 min
Mar 11, 7:29 PM CSTTornado WarningSGFPhelps36 min
Mar 11, 7:36 PM CSTSevere Thunderstorm WarningLZKBoone24 min
Mar 11, 7:36 PM CSTSevere Thunderstorm WarningSGFDade54 min
Mar 11, 7:40 PM CSTSevere Thunderstorm WarningSGFTaney52 min
Mar 11, 7:56 PM CSTSevere Thunderstorm WarningSGFGreene, Polk64 min
Mar 11, 7:59 PM CSTSevere Thunderstorm WarningSGFLaclede31 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, 6.8 hours before the alert went out and 168 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 12:00Z on 2006-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 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, Springfield, MO at 12:00Z on 2006-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.1939587897Sfc1 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
107 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1474 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 10, 8:19 PM CSTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more18 hr
Mar 10, 10:12 PM CSTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Conway, Crawford and 17 more93 min
Mar 10, 10:59 PM CSTSevere Thunderstorm WatchSPCBaxter, Boone, Cleburne, Conway, Faulkner, Fulton and 20 more6 hr
Mar 11, 1:29 AM CSTMesoscale DiscussionSPCClay, Craighead, Greene, Lawrence, Mississippi, Randolph2 hr
Mar 11, 1:51 AM CSTSevere Thunderstorm WatchSPCClay, Craighead, Greene, Lawrence, Mississippi, Randolph6 hr
Mar 11, 4:25 AM CSTMesoscale DiscussionSPCBaxter, Boone, Carroll, Clark, Cleburne, Conway and 26 more65 min
Mar 11, 5:53 AM CSTMesoscale DiscussionSPCBaxter, Clay, Craighead, Fulton, Greene, Independence and 6 more97 min
Mar 11, 9:36 AM CSTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clark, Clay and 52 more54 min
Mar 11, 11:59 AM CSTMesoscale DiscussionSPCBenton, Carroll, Washington2 hr
Mar 11, 3:30 PM CSTMesoscale DiscussionSPCBenton, Boone, Carroll, Crawford, Franklin, Madison and 4 more90 min
Mar 11, 3:34 AM CSTMesoscale DiscussionSPCLincoln, Pike, Saint Charles, Saint Louis, City of Saint Louis86 min
Mar 11, 1:25 PM CSTMesoscale DiscussionSPCAudrain, Boone, Callaway, Cooper, Howard, Lewis and 13 more95 min
Mar 11, 2:22 PM CSTTornado WatchSPCAudrain, Boone, Callaway, Clark, Cole, Crawford and 21 more8 hr
Mar 11, 3:52 PM CSTMesoscale DiscussionSPCAudrain, Boone, Callaway, Cole, Franklin, Gasconade and 14 more83 min
Mar 10, 6:52 PM CSTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Coal, Haskell, Hughes and 16 more83 min

Nearby

Tornado Watches in Missouri, 2006Tornado Watches in Oklahoma, 2006Tornado Watches in Arkansas, 2006Every tornado watch in 2006

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.