Alert archive / Nebraska / Mesoscale Discussions in 2003
Mesoscale Discussion 1484
The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2003, 1:52 AM CDT for Plymouth County, Iowa; 15 counties in Nebraska. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jun 24, 2003, 1:52 AM CDT (06:52 UTC)
- Expired
- Jun 24, 2003, 2:45 AM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
Counties Plymouth County, IA, Antelope County, NE, Blaine County, NE, Cedar County, NE, Dakota County, NE, Dixon County, NE, Garfield County, NE, Hooker County, NE, Keith County, NE, Knox County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Pierce County, NE, Thomas County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 06:51 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.9 hours before the alert went out and 144 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
- 4886 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1084 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 7.9
- Supercell composite
- 32.1
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 23, 8:08 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 28 more | 67 min |
| Jun 23, 8:55 PM CDT | Tornado Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cerro Gordo and 24 more | 4 hr |
| Jun 23, 9:10 PM CDT | Mesoscale Discussion | SPC | Cherokee, Dickinson, Lyon, O'Brien, Osceola, Sioux | 65 min |
| Jun 23, 10:38 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Humboldt, Ida and 9 more | 67 min |
| Jun 23, 10:50 PM CDT | Tornado Watch | SPC | Plymouth | 5 hr |
| Jun 23, 11:45 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, O'Brien, Osceola, Sioux | 6 hr |
| Jun 24, 12:35 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 24 more | 5 hr |
| Jun 24, 2:05 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Benton, Black Hawk, Boone and 39 more | 5 hr |
| Jun 24, 2:44 AM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Sioux | 2 hr |
| Jun 24, 3:09 AM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 12 more | 96 min |
| Jun 24, 11:43 AM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Harrison, Mills, Montgomery and 3 more | 2 hr |
| Jun 24, 2:15 PM CDT | Tornado Watch | SPC | Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux | 8 hr |
| Jun 24, 3:56 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 6 more | 64 min |
| Jun 24, 5:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Buena Vista, Butler, Calhoun and 30 more | 5 hr |
| Jun 24, 5:59 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux | 61 min |
| Jun 23, 8:17 PM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Buffalo, Butler, Clay and 37 more | 58 min |
| Jun 23, 8:20 PM CDT | Tornado Watch | SPC | Adams, Buffalo, Clay, Fillmore, Franklin, Furnas and 11 more | 3 hr |
| Jun 23, 8:34 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Deuel, Kimball | 86 min |
| Jun 23, 9:10 PM CDT | Tornado Watch | SPC | Banner, Box Butte, Cheyenne, Deuel, Garden, Kimball and 3 more | 4 hr |
| Jun 23, 10:50 PM CDT | Tornado Watch | SPC | Arthur, Blaine, Chase, Custer, Dawson, Frontier and 10 more | 5 hr |
| Jun 23, 11:08 PM CDT | Mesoscale Discussion | SPC | Banner, Box Butte, Cheyenne, Garden, Grant, Kimball and 3 more | 67 min |
| Jun 24, 12:50 AM CDT | Severe Thunderstorm Watch | SPC | Banner, Cheyenne, Deuel, Garden, Kimball, Morrill and 1 more | 3 hr |
| Jun 24, 1:29 PM CDT | Mesoscale Discussion | SPC | Antelope, Blaine, Boone, Boyd, Brown, Buffalo and 22 more | 3 hr |
| Jun 24, 3:47 PM CDT | Mesoscale Discussion | SPC | Chase, Dundy, Hayes, Hitchcock | 88 min |
| Jun 24, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Chase, Dawson, Dundy, Frontier, Furnas, Gosper and 3 more | 6 hr |
| Jun 24, 6:30 PM CDT | Mesoscale Discussion | SPC | Buffalo, Dawson, Dundy, Frontier, Furnas, Gosper and 7 more | 2 hr |
Nearby
Mesoscale Discussions in Nebraska, 2003Mesoscale Discussions in Iowa, 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.