Alert archive / Nebraska / Mesoscale Discussions in 2003

Mesoscale Discussion 1451

June 22, 20035 counties in Kansas; 11 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2003, 4:38 AM CDT for 5 counties in Kansas; 11 counties in Nebraska. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
Jun 22, 2003, 4:38 AM CDT (09:38 UTC)
Expired
Jun 22, 2003, 6:15 AM CDT
In force
97 min
Issued by
the Storm Prediction Center

Counties Clay County, KS, Marshall County, KS, Nemaha County, KS, Republic County, KS, Washington County, KS, Cass County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Thayer County, NE

The radar

The Omaha radar (KOAX), 133 km from the middle of the area, began a volume at 09:42 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.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 9.6 hours before the alert went out and 133 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 2003-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 825 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 2003-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
825 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1367 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 9:30 AM CDTMesoscale DiscussionSPCAtchison, Brown, Coffey, Doniphan, Douglas, Franklin and 13 more3 hr
Jun 22, 12:35 PM CDTMesoscale DiscussionSPCAtchison, Doniphan, Jackson, Jefferson, Leavenworth115 min
Jun 22, 1:00 PM CDTSevere Thunderstorm WatchSPCAnderson, Atchison, Coffey, Douglas, Franklin, Jackson and 10 more5 hr
Jun 22, 1:51 PM CDTMesoscale DiscussionSPCAnderson, Coffey, Douglas, Franklin, Jackson, Jefferson and 9 more114 min
Jun 22, 5:29 PM CDTMesoscale DiscussionSPCClay, Cloud, Jewell, Mitchell, Osborne, Republic and 1 more61 min
Jun 21, 7:54 PM CDTMesoscale DiscussionSPCAntelope, Arthur, Blaine, Boone, Boyd, Brown and 25 more66 min
Jun 21, 8:15 PM CDTSevere Thunderstorm WatchSPCAntelope, Blaine, Boyd, Brown, Cherry, Garfield and 9 more6 hr
Jun 21, 10:26 PM CDTMesoscale DiscussionSPCBlaine, Boyd, Brown, Garfield, Holt, Keya Paha and 2 more94 min
Jun 22, 1:27 AM CDTMesoscale DiscussionSPCAntelope, Blaine, Boyd, Brown, Cherry, Garfield and 9 more63 min
Jun 22, 2:27 PM CDTMesoscale DiscussionSPCAntelope, Boone, Boyd, Butler, Cedar, Colfax and 18 more2 hr
Jun 22, 3:35 PM CDTTornado WatchSPCAdams, Antelope, Boone, Boyd, Buffalo, Burt and 57 more5 hr

Nearby

Mesoscale Discussions in Nebraska, 2003Mesoscale Discussions in Kansas, 2003Every mesoscale discussion 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.