Alert archive / Nebraska / Mesoscale Discussions in 2005
Mesoscale Discussion 1513
The Storm Prediction Center issued this mesoscale discussion at Jun 27, 2005, 6:53 PM MDT for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2005, 6:53 PM MDT (00:53 UTC)
- Expired
- Jun 27, 2005, 9:00 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 32 counties
Sedgwick County, CO, Arthur County, NE, Banner County, NE, Box Butte County, NE, Cherry County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Morrill County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sioux County, NE, Thomas County, NE, Bennett County, SD, Butte County, SD, Custer County, SD, Fall River County, SD, Jackson County, SD, Lawrence County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Crook County, WY, Niobrara County, WY, Weston County, WY
The radar
The Rapid City radar (KUDX), 142 km from the middle of the area, began a volume at 00:55 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
Rapid City, SD (KUNR), launched 00:00Z, 0.9 hours before the alert went out and 137 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
- 1006 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 1633 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 280053 SWOMCD SPC MCD 280053 NEZ000-SDZ000-COZ000-WYZ000-280300- MESOSCALE DISCUSSION 1513 NWS STORM PREDICTION CENTER NORMAN OK 0753 PM CDT MON JUN 27 2005 AREAS AFFECTED...SWRN/SCENTRAL SD...ERN WY AND WRN NEB....NERN CO CONCERNING...SEVERE THUNDERSTORM WATCH 537... VALID 280053Z - 280300Z ISOLATED SUPERCELL WILL CONTINUE TO MOVE OUT OF WW 537 AND ACROSS LOGAN COUNTY IN NERN CO THROUGH 02Z WITH THE THREAT FOR ISOLATED TORNADOES REMAINING POSSIBLE. A NEW WW SOUTH OF WW 537 IS NOT EXPECTED SINCE THREAT SHOULD REMAIN LOCALIZED TO ONE OR TWO COUNTIES SOUTH OF WW 537 BEFORE STORM DISSIPATES. FARTHER NORTH...CLUSTER OF SVR STORMS OVER SWRN SD WILL CONTINUE TO MOVE EAST TOWARDS SCENTRAL SD AND A MODERATELY UNSTABLE AIRMASS WITH MLCAPES AROUND 2000 J/KG. GIVEN LIMITED INFLOW EXPECTED INTO SCENTRAL SD THIS EVENING WITH LOW LEVEL JET AXIS PROGGED TO REMAIN FURTHER SOUTH INTO SERN NEB...AND LOSS OF DAYTIME HEATING AND INCREASING CINH...A NEW WW EAST OF WW 537 DOES NOT APPEAR LIKELY ATTM. HOWEVER TRENDS WILL CONTINUE TO BE MONITORED OVER THE NEXT 1-2 HOURS. SVR THREAT AND ADDITIONAL REDEVELOPMENT AND STRENGTHENING OF CONVECTION STILL APPEAR POSSIBLE OVER FAR ECENTRAL/NERN WY AND FAR SWRN SD ALONG OUTFLOW AND DRYLINE BOUNDARIES AND AHEAD OF WRN WY SHORTWAVE TROUGH. ..CROSBIE.. 06/28/2005 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...LBF...UNR...BOU...CYS... 45010199 42210053 41069997 40770316 41150366 44930591
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 11:48 AM MDT | Mesoscale Discussion | SPC | Moffat | 27 min |
| Jun 28, 3:50 PM MDT | Mesoscale Discussion | SPC | Chaffee, Delta, Dolores, Eagle, Garfield, Grand and 16 more | 85 min |
| Jun 28, 4:13 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Logan, Morgan, Phillips, Sedgwick, Washington and 2 more | 92 min |
| Jun 27, 7:16 PM MDT | Mesoscale Discussion | SPC | Adams, Antelope, Blaine, Boone, Boyd, Brown and 58 more | 119 min |
| Jun 27, 7:35 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Buffalo, Burt, Butler, Cass and 36 more | 7 hr |
| Jun 27, 8:39 PM MDT | Mesoscale Discussion | SPC | Antelope, Blaine, Boyd, Brown, Cedar, Garfield and 8 more | 66 min |
| Jun 27, 8:50 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Boyd, Brown, Garfield, Holt, Keya Paha and 4 more | 6 hr |
| Jun 27, 10:37 PM MDT | Mesoscale Discussion | SPC | Adams, Blaine, Boone, Boyd, Brown, Buffalo and 56 more | 83 min |
| Jun 27, 11:55 PM MDT | Severe Thunderstorm Watch | SPC | Antelope, Cedar, Dakota, Dixon, Knox, Pierce and 2 more | 5 hr |
| Jun 28, 1:57 AM MDT | Mesoscale Discussion | SPC | Burt, Butler, Cass, Colfax, Cuming, Dakota and 17 more | 93 min |
| Jun 28, 1:32 PM MDT | Mesoscale Discussion | SPC | Box Butte, Dawes, Morrill | 118 min |
| Jun 28, 2:45 PM MDT | Tornado Watch | SPC | Box Butte, Cherry, Dawes, Sheridan | 7 hr |
| Jun 28, 5:26 PM MDT | Mesoscale Discussion | SPC | Box Butte, Boyd, Brown, Cherry, Dawes, Keya Paha and 2 more | 94 min |
| Jun 28, 12:36 PM MDT | Mesoscale Discussion | SPC | Big Horn, Sheridan | 114 min |
Nearby
Mesoscale Discussions in Nebraska, 2005Mesoscale Discussions in South Dakota, 2005Mesoscale Discussions in Wyoming, 2005Every mesoscale discussion in 2005
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.