Alert archive / Kansas / Mesoscale Discussions in 2010
Mesoscale Discussion 1021
The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2010, 6:50 AM CDT for 12 counties in Kansas; 9 counties in Missouri; 12 counties in Nebraska. It was in force for 55 min.
The area
The outline as issued.
The facts
- Issued
- Jun 19, 2010, 6:50 AM CDT (11:50 UTC)
- Expired
- Jun 19, 2010, 7:45 AM CDT
- In force
- 55 min
- Issued by
- the Storm Prediction Center
All 33 counties
Atchison County, KS, Brown County, KS, Doniphan County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Leavenworth County, KS, Marshall County, KS, Nemaha County, KS, Republic County, KS, Washington County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Clay County, MO, Clinton County, MO, DeKalb County, MO, Holt County, MO, Platte County, MO, Ray County, MO, Clay County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Nemaha County, NE, Nuckolls County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Thayer County, NE, Webster County, NE
The radar
The Topeka radar (KTWX), 99 km from the middle of the area, began a volume at 11:50 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
Topeka, KS (KTOP), launched 00:00Z, 11.8 hours before the alert went out and 116 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
- 3979 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1341 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.0
The text
As transmitted, in the capitals the NWS used until 2016.
896
ACUS11 KWNS 191150
SWOMCD
SPC MCD 191150
MOZ000-KSZ000-NEZ000-191245-
MESOSCALE DISCUSSION 1021
NWS STORM PREDICTION CENTER NORMAN OK
0650 AM CDT SAT JUN 19 2010
AREAS AFFECTED...SE NEB...NCNTRL AND NERN KS...NW MO
CONCERNING...SEVERE THUNDERSTORM WATCH 349...
VALID 191150Z - 191245Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 349
CONTINUES.
THE WIND DAMAGE THREAT WITH A CLUSTER OF STORMS NEAR THE NEB-KS
STATE-LINE IS EXPECTED TO CONTINUE THIS MORNING...MOVING TO THE EAST
OF WW 349. BECAUSE OF THIS...A NEW WW MAY BECOME NECESSARY ACROSS SE
NEB...NE KS AND POSSIBLY NW MO.
A CLUSTER OF STORMS JUST TO THE SOUTHWEST OF HASTINGS NEB IS LOCATED
ALONG THE NWRN EDGE OF STRONG INSTABILITY WITH OBJECTIVE ANALYSIS
SHOWING MLCAPE VALUES IN THE 3000 TO 4000 J/KG ACROSS NE KS. AS THE
STORMS MOVE INTO AN INCREASINGLY UNSTABLE ENVIRONMENT...UPDRAFT
INTENSITY SHOULD REMAIN QUITE STRONG AND STORM COVERAGE MAY INCREASE
WITH TIME. IF THIS OCCURS...A BOWING LINE-SEGMENT WITH A POTENTIAL
FOR DAMAGING WIND GUSTS MAY ORGANIZE AND PERSIST EWD TO THE KANSAS
CITY AND ST JOSEPH MO AREAS LATE THIS MORNING.
..BROYLES.. 06/19/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...EAX...OAX...TOP...GID...
LAT...LON 38999414 39379617 39559786 39879856 40319867 40589832
40669779 40569646 40129422 39659374 38999414SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 10:46 PM CDT | Mesoscale Discussion | SPC | Atchison | 89 min |
| Jun 18, 11:38 PM CDT | Severe Thunderstorm Watch | SPC | Johnson, Leavenworth, Wyandotte | 5 hr |
| Jun 19, 4:47 AM CDT | Mesoscale Discussion | SPC | Cloud, Jewell, Norton, Phillips, Republic, Smith | 88 min |
| Jun 19, 5:30 AM CDT | Severe Thunderstorm Watch | SPC | Cloud, Decatur, Jewell, Mitchell, Norton, Osborne and 3 more | 7 hr |
| Jun 19, 8:02 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Brown, Chase, Clay, Coffey and 26 more | 7 hr |
| Jun 19, 11:29 AM CDT | Mesoscale Discussion | SPC | Johnson, Leavenworth, Miami, Wyandotte | 91 min |
| Jun 19, 3:45 PM CDT | Mesoscale Discussion | SPC | Jewell, Norton, Phillips, Republic, Smith | 2 hr |
| Jun 19, 5:05 PM CDT | Tornado Watch | SPC | Clay, Cloud, Decatur, Ellis, Geary, Gove and 17 more | 6 hr |
| Jun 19, 5:55 PM CDT | Mesoscale Discussion | SPC | Cherokee | 95 min |
| Jun 19, 6:55 PM CDT | Mesoscale Discussion | SPC | Brown, Cloud, Jewell, Marshall, Mitchell, Nemaha and 5 more | 95 min |
| Jun 18, 7:38 PM CDT | Mesoscale Discussion | SPC | Adair, Clark, Grundy, Harrison, Knox, Lewis and 5 more | 97 min |
| Jun 18, 8:05 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Clark, Grundy, Harrison, Knox, Lewis and 10 more | 4 hr |
| Jun 19, 2:33 AM CDT | Mesoscale Discussion | SPC | Benton, Camden, Crawford, Dent, Franklin, Gasconade and 12 more | 57 min |
| Jun 19, 1:07 PM CDT | Mesoscale Discussion | SPC | Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 15 more | 53 min |
| Jun 19, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 19 more | 5 hr |
| Jun 19, 1:23 AM CDT | Mesoscale Discussion | SPC | Arthur, Chase, Cheyenne, Deuel, Dundy, Hayes and 4 more | 67 min |
| Jun 19, 1:58 AM CDT | Severe Thunderstorm Watch | SPC | Arthur, Banner, Chase, Cheyenne, Deuel, Dundy and 14 more | 5 hr |
| Jun 19, 5:12 PM CDT | Mesoscale Discussion | SPC | Banner, Cheyenne, Kimball, Morrill, Scotts Bluff, Sioux | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2010Mesoscale Discussions in Nebraska, 2010Mesoscale Discussions in Missouri, 2010Every mesoscale discussion in 2010
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.