Alert archive / Missouri / Tornado Watches in 2006

Tornado Watch 130

April 2, 20067 counties in Illinois; 11 counties in Iowa; 64 counties in Missouri

The Storm Prediction Center issued this tornado watch at Apr 2, 2006, 12:28 PM CDT for 7 counties in Illinois; 11 counties in Iowa; 64 counties in Missouri. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Apr 2, 2006, 12:28 PM CDT (17:28 UTC)
Expired
Apr 2, 2006, 8:00 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
All 82 counties

Appanoose County, IA, Davis County, IA, Des Moines County, IA, Henry County, IA, Jefferson County, IA, Lee County, IA, Lucas County, IA, Monroe County, IA, Van Buren County, IA, Wapello County, IA, Wayne County, IA, Adams County, IL, Brown County, IL, Hancock County, IL, Henderson County, IL, McDonough County, IL, Pike County, IL, Warren County, IL, Adair County, MO, Audrain County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Chariton County, MO, Christian County, MO, Clark County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Grundy County, MO, Hickory County, MO, Howard County, MO, Howell County, MO, Iron County, MO, Knox County, MO, Laclede County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Marion County, MO, Mercer County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Pettis County, MO, Phelps County, MO, Pike County, MO, Polk County, MO, Pulaski County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Reynolds County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shannon County, MO, Shelby County, MO, Stone County, MO, Sullivan County, MO, Taney County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO

The radar

The Pleasant Hill radar (KEAX), 161 km from the middle of the area, began a volume at 17:30 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

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

IssuedProductOfficeCountiesLasted
Apr 2, 2:40 PM CDTSevere Thunderstorm WarningSGFChristian50 min
Apr 2, 2:41 PM CDTSevere Thunderstorm WarningDMXWayne24 min
Apr 2, 2:41 PM CDTSevere Thunderstorm WarningEAXAdair, Linn, Macon, Sullivan42 min
Apr 2, 2:42 PM CDTSevere Thunderstorm WarningSGFStone23 min
Apr 2, 2:50 PM CDTSevere Thunderstorm WarningLSXCallaway40 min
Apr 2, 2:50 PM CDTSevere Thunderstorm WarningSGFGreene, Webster37 min
Apr 2, 2:54 PM CDTSevere Thunderstorm WarningEAXChariton, Howard, Macon, Randolph51 min
Apr 2, 2:57 PM CDTSevere Thunderstorm WarningSGFDouglas63 min
Apr 2, 3:00 PM CDTSevere Thunderstorm WarningSGFLaclede30 min
Apr 2, 3:01 PM CDTSevere Thunderstorm WarningLSXAudrain38 min
Apr 2, 3:02 PM CDTSevere Thunderstorm WarningDMXAppanoose, Davis38 min
Apr 2, 3:04 PM CDTSevere Thunderstorm WarningDMXLucas41 min
Apr 2, 3:06 PM CDTSevere Thunderstorm WarningEAXPutnam, Schuyler38 min
Apr 2, 3:07 PM CDTSevere Thunderstorm WarningLSXOsage38 min
Apr 2, 3:07 PM CDTSevere Thunderstorm WarningSGFPulaski38 min
Apr 2, 3:10 PM CDTSevere Thunderstorm WarningDMXMonroe36 min
Apr 2, 3:10 PM CDTSevere Thunderstorm WarningDVNVan Buren65 min
Apr 2, 3:14 PM CDTSevere Thunderstorm WarningSGFWright48 min
Apr 2, 3:15 PM CDTSevere Thunderstorm WarningLSXKnox, Monroe, Shelby60 min
Apr 2, 3:17 PM CDTSevere Thunderstorm WarningEAXAdair, Macon28 min
Apr 2, 3:19 PM CDTSevere Thunderstorm WarningSGFMiller, Morgan16 min
Apr 2, 3:22 PM CDTTornado WarningDMXDavis38 min
Apr 2, 3:23 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau41 min
Apr 2, 3:24 PM CDTSevere Thunderstorm WarningSGFTexas66 min
Apr 2, 3:26 PM CDTSevere Thunderstorm WarningLSXGasconade49 min
Apr 2, 3:29 PM CDTSevere Thunderstorm WarningLSXCallaway, Montgomery46 min
Apr 2, 3:30 PM CDTSevere Thunderstorm WarningSGFMaries30 min
Apr 2, 3:35 PM CDTSevere Thunderstorm WarningSGFHowell, Ozark55 min
Apr 2, 3:40 PM CDTSevere Thunderstorm WarningSGFPhelps35 min
Apr 2, 3:50 PM CDTSevere Thunderstorm WarningDMXWapello25 min
Apr 2, 3:51 PM CDTSevere Thunderstorm WarningSGFBenton24 min
Apr 2, 3:53 PM CDTSevere Thunderstorm WarningSGFOregon67 min
Apr 2, 3:54 PM CDTSevere Thunderstorm WarningDVNJefferson51 min
Apr 2, 3:54 PM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Washington66 min
Apr 2, 3:55 PM CDTSevere Thunderstorm WarningLSXLincoln, Pike50 min
Apr 2, 3:57 PM CDTTornado WarningDMXDavis18 min
Apr 2, 3:58 PM CDTSevere Thunderstorm WarningSGFDouglas17 min
Apr 2, 3:59 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds46 min
Apr 2, 3:59 PM CDTSevere Thunderstorm WarningLSXWarren46 min
Apr 2, 4:05 PM CDTSevere Thunderstorm WarningLSXLewis, Marion40 min
Apr 2, 4:14 PM CDTTornado WarningDVNHenry, Van Buren46 min
Apr 2, 4:21 PM CDTTornado WarningSGFOregon16 min
Apr 2, 4:23 PM CDTSevere Thunderstorm WarningSGFShannon30 min
Apr 2, 4:25 PM CDTSevere Thunderstorm WarningDVNDes Moines, Lee69 min
Apr 2, 4:26 PM CDTSevere Thunderstorm WarningLSXMarion, Ralls49 min
Apr 2, 4:28 PM CDTSevere Thunderstorm WarningSGFDent11 min
Apr 2, 4:31 PM CDTSevere Thunderstorm WarningLSXAdams56 min
Apr 2, 4:34 PM CDTSevere Thunderstorm WarningLSXCalhoun, Pike56 min
Apr 2, 4:42 PM CDTSevere Thunderstorm WarningDVNHancock63 min
Apr 2, 4:42 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds48 min
Apr 2, 4:44 PM CDTSevere Thunderstorm WarningLSXLincoln33 min
Apr 2, 4:46 PM CDTTornado WarningLSXAdams, Pike37 min
Apr 2, 4:46 PM CDTTornado WarningLSXIron, Madison, Saint Francois44 min
Apr 2, 4:55 PM CDTSevere Thunderstorm WarningLSXPike24 min
Apr 2, 4:56 PM CDTTornado WarningLSXIron, Reynolds49 min
Apr 2, 4:58 PM CDTSevere Thunderstorm WarningLSXBrown46 min
Apr 2, 5:11 PM CDTTornado WarningDVNMcDonough, Warren49 min
Apr 2, 5:15 PM CDTSevere Thunderstorm WarningDVNHenderson60 min
Apr 2, 5:25 PM CDTTornado WarningDVNHenderson20 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

Topeka, KS (KTOP), launched 12:00Z, 5.5 hours before the alert went out and 272 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, Topeka, KS at 12:00Z on 2006-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 74 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, Topeka, KS at 12:00Z on 2006-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 407 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
74 J/kg
Mixed-layer CIN
-267 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
407 m²/s²
0-3 km storm-relative helicity
468 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 10:42 AM CDTMesoscale DiscussionSPCAlexander93 min
Apr 2, 3:16 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Bureau, Calhoun, Cass and 37 more89 min
Apr 2, 3:50 PM CDTTornado WatchSPCAlexander, Bond, Brown, Bureau, Calhoun, Cass and 35 more5 hr
Apr 2, 5:28 PM CDTTornado WatchSPCBoone, Carroll, Cook, DeKalb, DuPage, Ford and 16 more4 hr
Apr 2, 5:44 PM CDTTornado WatchSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 20 more7 hr
Apr 2, 6:51 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 21 more54 min
Apr 2, 1:13 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Audubon, Cass, Clarke, Dallas and 12 more4 hr
Apr 1, 11:36 PM CSTSevere Thunderstorm WatchSPCBarry, Barton, Cedar, Dade, Jasper, Lawrence and 4 more4 hr
Apr 2, 12:44 AM CSTMesoscale DiscussionSPCBarry, Barton, Bates, Benton, Buchanan, Caldwell and 36 more2 hr
Apr 2, 1:35 AM CSTSevere Thunderstorm WatchSPCCamden, Christian, Dallas, Dent, Douglas, Greene and 14 more3 hr
Apr 2, 9:41 AM CDTMesoscale DiscussionSPCAndrew, Atchison, Bates, Buchanan, Caldwell, Carroll and 24 more2 hr
Apr 2, 11:34 AM CDTMesoscale DiscussionSPCAudrain, Barry, Benton, Boone, Callaway, Camden and 32 more116 min
Apr 2, 3:27 PM CDTTornado WatchSPCDunklin, Pemiscot7 hr

Nearby

Tornado Watches in Missouri, 2006Tornado Watches in Iowa, 2006Tornado Watches in Illinois, 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.