Alert archive / Nebraska / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 501

June 9, 20035 counties in Iowa; 13 counties in Kansas; 28 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 9, 2003, 10:10 PM CDT for 5 counties in Iowa; 13 counties in Kansas; 28 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 9, 2003, 10:10 PM CDT (03:10 UTC)
Expired
Jun 10, 2003, 4:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 46 counties

Cass County, IA, Fremont County, IA, Mills County, IA, Montgomery County, IA, Pottawattamie County, IA, Clay County, KS, Cloud County, KS, Graham County, KS, Jewell County, KS, Marshall County, KS, Mitchell County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Hall County, NE, Hamilton County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Lancaster County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Polk County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 39 km from the middle of the area, began a volume at 03:12 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

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

IssuedProductOfficeCountiesLasted
Jun 9, 10:11 PM CDTSevere Thunderstorm WarningGIDHamilton64 min
Jun 9, 10:19 PM CDTSevere Thunderstorm WarningGIDPhillips, Rooks56 min
Jun 9, 10:22 PM CDTSevere Thunderstorm WarningGIDYork53 min
Jun 9, 10:24 PM CDTSevere Thunderstorm WarningOAXButler36 min
Jun 9, 10:43 PM CDTSevere Thunderstorm WarningOAXSeward32 min
Jun 9, 10:45 PM CDTTornado WarningGIDRooks45 min
Jun 9, 10:53 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders37 min
Jun 9, 11:00 PM CDTTornado WarningGIDYork30 min
Jun 9, 11:08 PM CDTSevere Thunderstorm WarningGIDSmith52 min
Jun 9, 11:13 PM CDTSevere Thunderstorm WarningOAXSeward47 min
Jun 9, 11:14 PM CDTSevere Thunderstorm WarningOAXCass, Otoe61 min
Jun 9, 11:24 PM CDTSevere Thunderstorm WarningGIDOsborne51 min
Jun 9, 11:30 PM CDTSevere Thunderstorm WarningGIDRooks30 min
Jun 9, 11:32 PM CDTSevere Thunderstorm WarningOAXLancaster43 min
Jun 9, 11:39 PM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer51 min
Jun 9, 11:44 PM CDTSevere Thunderstorm WarningOAXGage, Johnson, Nemaha61 min
Jun 9, 11:52 PM CDTSevere Thunderstorm WarningOAXFremont38 min
Jun 9, 11:59 PM CDTSevere Thunderstorm WarningOAXSaline, Seward46 min
Jun 10, 12:27 AM CDTSevere Thunderstorm WarningOAXLancaster48 min
Jun 10, 12:31 AM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer44 min
Jun 10, 12:43 AM CDTSevere Thunderstorm WarningOAXJefferson47 min
Jun 10, 12:45 AM CDTSevere Thunderstorm WarningOAXJohnson, Pawnee45 min
Jun 10, 12:58 AM CDTSevere Thunderstorm WarningTOPRepublic, Washington62 min
Jun 10, 1:00 AM CDTSevere Thunderstorm WarningOAXNemaha, Richardson45 min
Jun 10, 1:32 AM CDTSevere Thunderstorm WarningOAXGage28 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

Omaha, NE (KOAX), launched 00:00Z, 3.2 hours before the alert went out and 212 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, Omaha, NE at 00:00Z on 2003-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 223 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, Omaha, NE at 00:00Z on 2003-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.193958Sfc1 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
223 J/kg
Mixed-layer CIN
-235 J/kg
Mixed-layer LCL
2359 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 7:23 PM CDTMesoscale DiscussionSPCMonona2 hr
Jun 9, 8:52 PM CDTMesoscale DiscussionSPCMonona, Woodbury113 min
Jun 9, 9:22 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 32 more53 min
Jun 9, 9:45 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Boone, Calhoun and 37 more6 hr
Jun 9, 10:13 PM CDTMesoscale DiscussionSPCLyon, O'Brien, Osceola, Sioux2 hr
Jun 9, 11:20 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Carroll, Cass and 16 more115 min
Jun 9, 11:46 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page119 min
Jun 10, 2:44 AM CDTMesoscale DiscussionSPCAppanoose, Decatur, Lucas, Mahaska, Monroe, Ringgold and 2 more2 hr
Jun 9, 9:00 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Cloud, Comanche, Edwards and 28 more60 min
Jun 9, 9:20 PM CDTSevere Thunderstorm WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 21 more5 hr
Jun 9, 11:32 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 17 more118 min
Jun 10, 12:15 AM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Dickinson, Doniphan, Douglas, Geary and 11 more5 hr
Jun 10, 1:20 AM CDTMesoscale DiscussionSPCBarber, Barton, Ellis, Ellsworth, Kingman, Lincoln and 8 more55 min
Jun 10, 7:07 AM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Labette, Linn and 1 more113 min
Jun 10, 12:18 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 21 more117 min
Jun 10, 12:50 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 29 more6 hr
Jun 10, 1:56 PM CDTMesoscale DiscussionSPCChautauqua, Labette, Montgomery2 hr
Jun 10, 5:55 PM CDTMesoscale DiscussionSPCAnderson, Barber, Butler, Chase, Coffey, Franklin and 11 more95 min
Jun 10, 6:20 PM CDTMesoscale DiscussionSPCCheyenne, Rawlins, Sherman, Thomas2 hr
Jun 9, 8:13 PM CDTMesoscale DiscussionSPCBoyd, Holt32 min
Jun 10, 1:06 PM CDTMesoscale DiscussionSPCBanner, Cheyenne, Kimball114 min

Nearby

Severe Thunderstorm Watches in Nebraska, 2003Severe Thunderstorm Watches in Kansas, 2003Severe Thunderstorm Watches in Iowa, 2003Every severe thunderstorm watch in 2003

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.