Alert archive / Nebraska / Mesoscale Discussions in 2003
Mesoscale Discussion 1451
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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 9:30 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Coffey, Doniphan, Douglas, Franklin and 13 more | 3 hr |
| Jun 22, 12:35 PM CDT | Mesoscale Discussion | SPC | Atchison, Doniphan, Jackson, Jefferson, Leavenworth | 115 min |
| Jun 22, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Coffey, Douglas, Franklin, Jackson and 10 more | 5 hr |
| Jun 22, 1:51 PM CDT | Mesoscale Discussion | SPC | Anderson, Coffey, Douglas, Franklin, Jackson, Jefferson and 9 more | 114 min |
| Jun 22, 5:29 PM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Jewell, Mitchell, Osborne, Republic and 1 more | 61 min |
| Jun 21, 7:54 PM CDT | Mesoscale Discussion | SPC | Antelope, Arthur, Blaine, Boone, Boyd, Brown and 25 more | 66 min |
| Jun 21, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Antelope, Blaine, Boyd, Brown, Cherry, Garfield and 9 more | 6 hr |
| Jun 21, 10:26 PM CDT | Mesoscale Discussion | SPC | Blaine, Boyd, Brown, Garfield, Holt, Keya Paha and 2 more | 94 min |
| Jun 22, 1:27 AM CDT | Mesoscale Discussion | SPC | Antelope, Blaine, Boyd, Brown, Cherry, Garfield and 9 more | 63 min |
| Jun 22, 2:27 PM CDT | Mesoscale Discussion | SPC | Antelope, Boone, Boyd, Butler, Cedar, Colfax and 18 more | 2 hr |
| Jun 22, 3:35 PM CDT | Tornado Watch | SPC | Adams, Antelope, Boone, Boyd, Buffalo, Burt and 57 more | 5 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.