Alert archive / South Dakota / Mesoscale Discussions in 2014
Mesoscale Discussion 1013
The Storm Prediction Center issued this mesoscale discussion at Jun 16, 2014, 12:48 PM CDT for 18 counties in South Dakota. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2014, 12:48 PM CDT (17:48 UTC)
- Expired
- Jun 16, 2014, 2:15 PM CDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
Counties Bon Homme County, SD, Brookings County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 71 km from the middle of the area, began a volume at 17:48 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
Aberdeen, SD (KABR), launched 12:00Z, 5.8 hours before the alert went out and 167 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1844 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 310 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
942
ACUS11 KWNS 161748
SWOMCD
SPC MCD 161748
IAZ000-MNZ000-SDZ000-NEZ000-161915-
MESOSCALE DISCUSSION 1013
NWS STORM PREDICTION CENTER NORMAN OK
1248 PM CDT MON JUN 16 2014
AREAS AFFECTED...SERN SD
CONCERNING...SEVERE THUNDERSTORM WATCH 301...
VALID 161748Z - 161915Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 301
CONTINUES.
SUMMARY...SEVERE RISK CONTINUES WITHIN VALID PORTIONS OF WW 301 --
ACROSS SERN SD.
DISCUSSION...LATEST RADAR IMAGERY SHOWS STORMS CONTINUING TO
INCREASE IN COVERAGE AND ORGANIZATION ACROSS SERN SD...WHILE
ADDITIONAL CELLS WHICH WERE ONGOING ACROSS ERN NEB HAVE MOVED INTO
WRN IA -- WHERE NEWLY ISSUED TORNADO WATCH 302 IS NOW IN EFFECT.
THE SD STORMS -- AND ASSOCIATED SEVERE RISK -- WILL GRADUALLY SPREAD
INTO SWRN MN /TORNADO WATCH 302/ OVER THE NEXT 1-2 HOURS. UNTIL
THEN...POTENTIAL FOR LARGE HAIL WILL CONTINUE...ALONG WITH THE
POSSIBILITY FOR LOCALLY DAMAGING GUSTS -- PARTICULARLY WITH THE
BOWING SEGMENT NOW CROSSING THE MINER/KINGSBURY CO VICINITY ATTM.
..GOSS.. 06/16/2014
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FSD...OAX...ABR...
LAT...LON 43369855 43799855 44679806 44559650 43549639 42729662
42829720 42819807 43369855SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:12 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 9 hr |
| Jun 16, 7:33 AM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Buffalo, Clark, Codington, Day and 18 more | 57 min |
| Jun 16, 10:19 AM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brookings, Brule, Charles Mix, Clay and 18 more | 116 min |
| Jun 16, 2:13 PM CDT | Mesoscale Discussion | SPC | Gregory | 62 min |
| Jun 16, 4:03 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 8 more | 117 min |
| Jun 16, 5:37 PM CDT | Tornado Watch | SPC | Union | 6 hr |
Nearby
Mesoscale Discussions in South Dakota, 2014Every mesoscale discussion in 2014
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.