Alert archive / Nebraska / Mesoscale Discussions in 2003
Mesoscale Discussion 266
The Storm Prediction Center issued this mesoscale discussion at Mar 17, 2003, 3:24 PM CST for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 17, 2003, 3:24 PM CST (21:24 UTC)
- Expired
- Mar 17, 2003, 5:30 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 58 counties
Cheyenne County, KS, Finney County, KS, Logan County, KS, Meade County, KS, Scott County, KS, Smith County, KS, Adams County, NE, Arthur County, NE, Blaine County, NE, Buffalo County, NE, Cherry County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Franklin County, NE, Garden County, NE, Gosper County, NE, Grant County, NE, Hall County, NE, Harlan County, NE, Hooker County, NE, Kearney County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Phelps County, NE, Sheridan County, NE, Sherman County, NE, Thomas County, NE, Beaver County, OK, Beckham County, OK, Carter County, OK, Greer County, OK, Jackson County, OK, Jefferson County, OK, Love County, OK, Roger Mills County, OK, Tillman County, OK, Baylor County, TX, Bosque County, TX, Clay County, TX, Cooke County, TX, Dallas County, TX, Denton County, TX, Ellis County, TX, Hill County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Lipscomb County, TX, Montague County, TX, Parker County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Wilbarger County, TX, Wise County, TX
The radar
The Vance AFB radar (KVNX), 85 km from the middle of the area, began a volume at 21:26 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 9.4 hours before the alert went out and 153 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
- 336 J/kg
- Mixed-layer CIN
- -208 J/kg
- Mixed-layer LCL
- 1354 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Mar 17, 11:40 AM CST | Mesoscale Discussion | SPC | Barber, Clark, Comanche | 3 hr |
| Mar 17, 1:55 PM CST | Severe Thunderstorm Watch | SPC | Barber, Barton, Clark, Comanche, Edwards, Ford and 15 more | 5 hr |
| Mar 17, 2:47 PM CST | Mesoscale Discussion | SPC | Barber, Comanche, Edwards, Ford, Harper, Hodgeman and 6 more | 118 min |
| Mar 16, 8:09 PM CST | Mesoscale Discussion | SPC | Beckham, Greer, Harmon, Jackson | 3 hr |
| Mar 17, 12:45 PM CST | Severe Thunderstorm Watch | SPC | Bryan, Caddo, Canadian, Carter, Cleveland, Coal and 19 more | 6 hr |
| Mar 17, 3:02 PM CST | Mesoscale Discussion | SPC | Carter, Jefferson, Love | 118 min |
| Mar 17, 5:50 PM CST | Tornado Watch | SPC | Bryan, Caddo, Canadian, Carter, Cleveland, Coal and 19 more | 5 hr |
| Mar 17, 11:17 AM CST | Mesoscale Discussion | SPC | Anderson, Bosque, Collin, Dallas, Denton, Ellis and 19 more | 2 hr |
Nearby
Mesoscale Discussions in Nebraska, 2003Mesoscale Discussions in Texas, 2003Mesoscale Discussions in Oklahoma, 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.