Alert archive / Missouri / Tornado Watches in 2010

Tornado Watch 719

October 25, 20104 states

The Storm Prediction Center issued this tornado watch at Oct 25, 2010, 10:03 PM CDT for 4 states. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Oct 25, 2010, 10:03 PM CDT (03:03 UTC)
Expired
Oct 26, 2010, 7:04 AM CDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 192 counties

Allamakee County, IA, Appanoose County, IA, Benton County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Cedar County, IA, Chickasaw County, IA, Clayton County, IA, Clinton County, IA, Davis County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Fayette County, IA, Floyd County, IA, Grundy County, IA, Henry County, IA, Howard County, IA, Iowa County, IA, Jackson County, IA, Jasper County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Lucas County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Mitchell County, IA, Monroe County, IA, Muscatine County, IA, Poweshiek County, IA, Scott County, IA, Tama County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Wayne County, IA, Winneshiek County, IA, Adams County, IL, Boone County, IL, Brown County, IL, Bureau County, IL, Calhoun County, IL, Carroll County, IL, Cass County, IL, DeKalb County, IL, Fulton County, IL, Greene County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jersey County, IL, Jo Daviess County, IL, Knox County, IL, LaSalle County, IL, Lee County, IL, Logan County, IL, Macoupin County, IL, Madison County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, Menard County, IL, Mercer County, IL, Monroe County, IL, Morgan County, IL, Ogle County, IL, Peoria County, IL, Pike County, IL, Putnam County, IL, Randolph County, IL, Rock Island County, IL, Saint Clair County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Warren County, IL, Whiteside County, IL, Winnebago County, IL, Woodford County, IL, Adair County, MO, Audrain County, MO, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Bollinger County, MO, Boone County, MO, Butler County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Carter County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, City of Saint Louis, MO, Clark County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Grundy County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Howell County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Johnson County, MO, Knox County, MO, Laclede County, MO, Lafayette County, MO, Lawrence County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Madison County, MO, Maries County, MO, Marion County, MO, McDonald County, MO, Mercer County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Perry 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, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shannon County, MO, Shelby County, MO, St. Clair County, MO, Stone County, MO, Sullivan County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO, Columbia County, WI, Crawford County, WI, Dane County, WI, Grant County, WI, Green County, WI, Iowa County, WI, Lafayette County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Vernon County, WI

The radar

The Quad Cities radar (KDVN), 146 km from the middle of the area, began a volume at 03:06 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
60%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
90%
One or more gusts of 65 knots or more
70%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Oct 25, 11:03 PM CDTSevere Thunderstorm WarningEAXJohnson, Pettis27 min
Oct 25, 11:17 PM CDTSevere Thunderstorm WarningSGFVernon22 min
Oct 25, 11:18 PM CDTSevere Thunderstorm WarningEAXCooper, Howard, Pettis, Saline27 min
Oct 25, 11:30 PM CDTSevere Thunderstorm WarningLSXMarion, Ralls30 min
Oct 25, 11:32 PM CDTSevere Thunderstorm WarningEAXJohnson, Lafayette, Pettis, Saline28 min
Oct 25, 11:42 PM CDTSevere Thunderstorm WarningEAXHoward, Randolph33 min
Oct 25, 11:42 PM CDTSevere Thunderstorm WarningSGFBenton, Morgan33 min
Oct 25, 11:45 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Monroe45 min
Oct 26, 12:06 AM CDTSevere Thunderstorm WarningSGFBenton39 min
Oct 26, 12:08 AM CDTSevere Thunderstorm WarningLSXKnox, Lewis, Marion, Monroe, Ralls, Shelby52 min
Oct 26, 12:20 AM CDTSevere Thunderstorm WarningSGFBarry, Dade, Greene, Jasper, Lawrence, McDonald and 2 more55 min
Oct 26, 12:22 AM CDTSevere Thunderstorm WarningSGFBenton, Camden, Cedar, Hickory, Morgan, Polk and 1 more53 min
Oct 26, 12:34 AM CDTSevere Thunderstorm WarningLSXAudrain, Lincoln, Montgomery, Pike, Ralls41 min
Oct 26, 12:47 AM CDTSevere Thunderstorm WarningSGFBarry, Christian, Dallas, Greene, Lawrence, Polk and 3 more58 min
Oct 26, 12:50 AM CDTSevere Thunderstorm WarningSGFBenton, Camden, Dallas, Hickory, Laclede, Miller and 2 more55 min
Oct 26, 12:56 AM CDTSevere Thunderstorm WarningLSXAdams31 min
Oct 26, 1:04 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Monroe41 min
Oct 26, 1:10 AM CDTSevere Thunderstorm WarningDVNHancock65 min
Oct 26, 1:13 AM CDTSevere Thunderstorm WarningLSXAdams, Pike47 min
Oct 26, 1:19 AM CDTTornado WarningLSXAdams, Brown, Pike41 min
Oct 26, 1:28 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway, Cole, Moniteau, Osage47 min
Oct 26, 1:39 AM CDTSevere Thunderstorm WarningLSXAdams51 min
Oct 26, 1:52 AM CDTSevere Thunderstorm WarningILXFulton, Schuyler38 min
Oct 26, 1:56 AM CDTTornado WarningILXSchuyler49 min
Oct 26, 1:56 AM CDTTornado WarningLSXBrown19 min
Oct 26, 2:10 AM CDTSevere Thunderstorm WarningLSXAudrain, Callaway, Cole, Gasconade, Montgomery, Osage and 1 more50 min
Oct 26, 2:17 AM CDTSevere Thunderstorm WarningSGFDent, Laclede, Maries, Miller, Phelps, Pulaski and 1 more58 min
Oct 26, 2:21 AM CDTSevere Thunderstorm WarningILXFulton44 min
Oct 26, 2:37 AM CDTSevere Thunderstorm WarningILXFulton23 min
Oct 26, 2:40 AM CDTSevere Thunderstorm WarningSGFDent, Douglas, Howell, Oregon, Ozark, Shannon and 1 more65 min
Oct 26, 2:53 AM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Gasconade, Warren, Washington52 min
Oct 26, 2:57 AM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Pike, Warren48 min
Oct 26, 3:05 AM CDTTornado WarningLSXLincoln, Pike40 min
Oct 26, 3:21 AM CDTSevere Thunderstorm WarningILXSchuyler24 min
Oct 26, 3:31 AM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Iron, Jefferson, Reynolds, Saint Francois and 1 more44 min
Oct 26, 3:34 AM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey41 min
Oct 26, 3:34 AM CDTTornado WarningLSXCalhoun, Greene, Jersey, Pike41 min
Oct 26, 3:38 AM CDTSevere Thunderstorm WarningPAHCarter, Ripley, Wayne37 min
Oct 26, 3:44 AM CDTSevere Thunderstorm WarningSGFOregon, Shannon46 min
Oct 26, 3:47 AM CDTTornado WarningILXMorgan, Scott43 min
Oct 26, 3:56 AM CDTSevere Thunderstorm WarningILXFulton, Knox, Peoria34 min
Oct 26, 4:09 AM CDTSevere Thunderstorm WarningLSXGreene, Jersey, Macoupin, Madison, Monroe, Randolph and 1 more66 min
Oct 26, 4:12 AM CDTSevere Thunderstorm WarningLSXIron, Madison, Reynolds, Sainte Genevieve, Saint Francois, Washington48 min
Oct 26, 4:14 AM CDTSevere Thunderstorm WarningPAHBollinger, Butler, Cape Girardeau, Carter, Ripley, Stoddard and 1 more46 min
Oct 26, 4:24 AM CDTSevere Thunderstorm WarningILXKnox, Peoria, Stark36 min
Oct 26, 4:27 AM CDTSevere Thunderstorm WarningILXCass, Fulton, Mason, Menard48 min
Oct 26, 4:27 AM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, Perry33 min
Oct 26, 4:33 AM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Macoupin, Madison, Marion and 2 more57 min
Oct 26, 4:35 AM CDTSevere Thunderstorm WarningILXFulton, Peoria25 min
Oct 26, 4:36 AM CDTSevere Thunderstorm WarningILXChristian, Logan, Morgan, Sangamon54 min
Oct 26, 4:41 AM CDTSevere Thunderstorm WarningDVNBureau, Whiteside34 min
Oct 26, 4:44 AM CDTTornado WarningLSXSaint Clair23 min
Oct 26, 4:57 AM CDTSevere Thunderstorm WarningLOTLee, Ogle48 min
Oct 26, 4:59 AM CDTSevere Thunderstorm WarningILXMarshall, Peoria, Stark, Tazewell, Woodford46 min
Oct 26, 4:59 AM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, Perry, Wayne46 min
Oct 26, 5:02 AM CDTSevere Thunderstorm WarningPAHBollinger, Butler, Cape Girardeau, New Madrid, Ripley, Scott and 2 more43 min
Oct 26, 5:08 AM CDTSevere Thunderstorm WarningDVNBureau, Putnam37 min
Oct 26, 5:19 AM CDTSevere Thunderstorm WarningLSXRandolph23 min
Oct 26, 5:39 AM CDTSevere Thunderstorm WarningPAHCape Girardeau, Perry36 min
Oct 26, 5:43 AM CDTSevere Thunderstorm WarningLOTBoone, Ogle, Winnebago32 min
Oct 26, 5:44 AM CDTSevere Thunderstorm WarningPAHButler, Cape Girardeau, New Madrid, Scott, Stoddard46 min
Oct 26, 5:46 AM CDTSevere Thunderstorm WarningDVNCarroll, Jo Daviess, Stephenson, Whiteside44 min
Oct 26, 5:49 AM CDTSevere Thunderstorm WarningMKXRock, Walworth41 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

Davenport, (KDVN), launched 00:00Z, 3.1 hours before the alert went out and 151 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, Davenport, at 00:00Z on 2010-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 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, Davenport, at 00:00Z on 2010-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 357 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
158 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
357 m²/s²
0-3 km storm-relative helicity
405 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 25, 9:36 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Bureau, Calhoun, Carroll and 38 more24 min
Oct 26, 2:21 AM CDTMesoscale DiscussionSPCAdams, Boone, Brown, Bureau, Calhoun, Carroll and 54 more114 min
Oct 26, 3:28 AM CDTTornado WatchSPCBond, Champaign, Christian, Clark, Clay, Clinton and 32 more8 hr
Oct 26, 3:38 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more2 hr
Oct 26, 4:05 AM CDTTornado WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more8 hr
Oct 26, 6:00 AM CDTMesoscale DiscussionSPCAlexander, Boone, Bureau, Carroll, Champaign, Clark and 60 more2 hr
Oct 25, 10:41 PM CDTMesoscale DiscussionSPCMcDonald64 min
Oct 26, 5:30 AM CDTMesoscale DiscussionSPCAdams, Barron, Brown, Buffalo, Calumet, Chippewa and 39 more60 min

Nearby

Tornado Watches in Missouri, 2010Tornado Watches in Illinois, 2010Tornado Watches in Iowa, 2010Every tornado watch in 2010

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.