Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 1065
The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2011, 2:12 AM CDT for 17 counties in Kansas; 9 counties in Nebraska. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2011, 2:12 AM CDT (07:12 UTC)
- Expired
- Jun 2, 2011, 4:15 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 26 counties
Clay County, KS, Cloud County, KS, Dickinson County, KS, Geary County, KS, Jackson County, KS, Jewell County, KS, Lyon County, KS, Marshall County, KS, Morris County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Adams County, NE, Clay County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Nuckolls County, NE, Sherman County, NE, Thayer County, NE, Webster County, NE
The radar
The Topeka radar (KTWX), 112 km from the middle of the area, began a volume at 07:16 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
Topeka, KS (KTOP), launched 00:00Z, 7.2 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
- 1634 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 780 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 10.8
The text
As transmitted, in the capitals the NWS used until 2016.
204
ACUS11 KWNS 020712
SWOMCD
SPC MCD 020712
KSZ000-NEZ000-020915-
MESOSCALE DISCUSSION 1065
NWS STORM PREDICTION CENTER NORMAN OK
0212 AM CDT THU JUN 02 2011
AREAS AFFECTED...S CENTRAL NEB INTO CENTRAL AND ERN KS
CONCERNING...SEVERE THUNDERSTORM WATCH 418...
VALID 020712Z - 020915Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 418
CONTINUES.
LOW-END/LIMITED HAIL THREAT MAY PERSIST FOR A COUPLE MORE HOURS.
RADAR LOOP OVER THE PAST 1-2 HOURS SHOWS THAT CONVECTION HAS BEGUN
TO SLOWLY DECREASE IN INTENSITY...WITH WIND POTENTIAL DIMINISHING
MOST SUBSTANTIALLY. ATTM...THREAT FOR ISOLATED/MARGINAL HAIL
REMAINS AS A 40 KT SSWLY LOW-LEVEL JET RIDES ATOP RAIN-COOLED
BOUNDARY-LAYER AIR. EVEN THIS THREAT SHOULD WANE GRADUALLY HOWEVER
OVER THE NEXT FEW HOURS.
..GOSS.. 06/02/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...OAX...TOP...ICT...GID...LBF...
LAT...LON 38539694 39429801 41239922 41379869 41079814 40119745
39849661 39709570 38469542 38159599 38539694SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:19 PM CDT | Mesoscale Discussion | SPC | Barton, Chase, Clay, Cloud, Dickinson, Ellis and 21 more | 56 min |
| Jun 1, 7:37 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Finney, Ford, Grant, Gray, Hamilton and 8 more | 3 hr |
| Jun 1, 11:25 PM CDT | Mesoscale Discussion | SPC | Barton, Chase, Clay, Cloud, Dickinson, Ellis and 27 more | 35 min |
| Jun 1, 11:49 PM CDT | Severe Thunderstorm Watch | SPC | Chase, Cloud, Dickinson, Ellsworth, Geary, Jewell and 15 more | 4 hr |
| Jun 2, 6:03 PM CDT | Mesoscale Discussion | SPC | Box Butte, Dawes, Sheridan | 87 min |
Nearby
Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Nebraska, 2011Every mesoscale discussion in 2011
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.