Alert archive / South Dakota / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 152, NWS Rapid City, SD
NWS Rapid City, SD issued this severe thunderstorm warning at Jul 9, 2016, 4:14 PM MDT for Butte County, Harding County, South Dakota. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 9, 2016, 4:14 PM MDT (22:14 UTC)
- Expired
- Jul 9, 2016, 5:15 PM MDT
- In force
- 61 min
- Issued by
- NWS Rapid City, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Butte County, SD, Harding County, SD
The radar
The Rapid City radar (KUDX), 135 km from the middle of the area, began a volume at 22:13 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
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.2 hours before the alert went out and 275 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
- 1345 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 220 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Rapid City, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 9, 2:33 PM MDT, 1 hour 41 minutes earlier.
Area forecast discussion, Jul 9, 2:33 PM MDT, 1 hour 41 minutes before
Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
233 PM MDT SAT JUL 9 2016
.SHORT TERM...(This Evening Through Sunday Night)
Issued at 217 PM MDT Sat Jul 9 2016
Water vapor shows upper ridge over the nrn Rockies beginning to
shift into the nrn plains. Short wave moving through the ridge
producing isold shra/tsra across nern WY and far SD. At the
sfc...broad low pressure extends from sern MT through wrn SD.
Tonight...Isold shra/tsra will continue to progress newd across
the cwfa through mid evening before dissipating. Strong winds will
be the main threat from any storms.
Sunday...Even hotter temps expected with thermal ridge centered
over wrn SD. Many areas will likely see temps near/above
100...with heat indices to around 105 over cntrl SD where a heat
advisory is in effect. A few tsra possible in our wrn zones along
dry line/cdfnt late in the aftn and eve with strong winds
possible. The hot/dry well mixed atmos will result in gusty sw
winds in our wrn zones where red flag warnings are in effect (see
fire wx discussion below).
.LONG TERM...(Monday Through Saturday)
Issued at 217 PM MDT Sat Jul 9 2016
More seasonable temperatures are expected for next week,
with highs mostly in the 80s, 70s over the Black Hills. Gusty west
to northwest winds will persist across the area on Monday. The first
half of the week looks to be mainly dry, with zonal flow aloft
behind the exiting system and dry air in place. Increasing low level
moisture later in the week and weak disturbances in northwesterly
flow will lead to better chances for thunderstorms Thursday and
Friday, especially for the Black Hills and areas to the east.
&&
.AVIATION...(For the 18Z TAFS Through 18Z Sunday)
Issued At 217 PM MDT Sat Jul 9 2016
Isolated showers and thunderstorms on-going over
northeast WY and much of western SD this afternoon and evening.
Brief MVFR visibilities and gusty/erratic winds expected with
heavier showers and storms. Breezy southeast winds across south
central SD will diminish this evening. Shower activity will diminish
greatly after midnight.
&&
.FIRE WEATHER...
Issued At 217 PM MDT Sat Jul 9 2016
Hot and dry conditions will persist this afternoon and Sunday
with upper level ridge across the Dakotas. The ridge will break
down late Sunday as an upper level trof moves across Montana.
For this afternoon and early evening, minimum relative humidity
values will drop to near 10 percent across northeast Wyoming, with
15 to 20 percent into western South Dakota. Winds will generally be
less than 15 mph across northeast Wyoming and western South Dakota.
The exception will be southern Campbell County (fire zone 259),
where gusts around 25 mph will be possible this afternoon. A Red
Flag Warning is currently in place for zone 259.
Sunday will be hot and dry again, with minimum relative humidity
values less than 15 percent across northeast Wyoming and much of
western South Dakota. With low pressure deepening near the
Montana/North Dakota/South Dakota border, gusty southwest winds will
spread across the area Sunday afternoon and evening. Gusts of 25 to
35 mph are possible. A cold front will then move through northeast
Wyoming Sunday evening and into western South Dakota Sunday night.
The combination of very low humidity and gusty southwest winds will
result in critical fire weather conditions Sunday afternoon and
evening. A Red Flag Warning is in effect for Sunday afternoon and
evening.
&&
.UNR Watches/Warnings/Advisories...
SD...Red Flag Warning from noon to 11 PM MDT Sunday for SDZ260-
262>264.
Heat Advisory from noon MDT /1 PM CDT/ to 6 PM MDT /7 PM CDT/
Sunday for SDZ014-032-043-046-047-049.
WY...Red Flag Warning from noon to 11 PM MDT Sunday for WYZ259-
297>299.
Red Flag Warning until 8 PM MDT this evening for WYZ259.
&&
SHORT TERM...Johnson
LONG TERM...15
AVIATION...15
FIRE WEATHER...15Hazardous weather outlook, Jul 9, 3:46 AM MDT, 12 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 346 AM MDT SAT JUL 9 2016 WYZ054-056-058-071-101300- NORTHERN CAMPBELL-WESTERN CROOK-WESTON-NORTHEASTERN CROOK- 346 AM MDT SAT JUL 9 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS ARE POSSIBLE TODAY. SEVERE THUNDERSTORMS ARE NOT EXPECTED AT THIS TIME...HOWEVER GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH THE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY IT WILL BE HOT...DRY...AND WINDY ON SUNDAY, RESULTING IN CRITICAL FIRE WEATHER CONDITIONS. THUNDERSTORMS ARE POSSIBLE SUNDAY AND MONDAY. THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES... OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY WYZ055-101300- SOUTHERN CAMPBELL- 346 AM MDT SAT JUL 9 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING. ISOLATED THUNDERSTORMS ARE POSSIBLE TODAY. SEVERE THUNDERSTORMS ARE NOT EXPECTED AT THIS TIME...HOWEVER GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH THE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY IT WILL BE HOT...DRY...AND WINDY ON SUNDAY, RESULTING IN CRITICAL FIRE WEATHER CONDITIONS. THUNDERSTORMS ARE POSSIBLE SUNDAY AND MONDAY. THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES... OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY SDZ024-028-029-WYZ057-101300- NORTHERN BLACK HILLS-CENTRAL BLACK HILLS-SOUTHERN BLACK HILLS- WYOMING BLACK HILLS- 346 AM MDT SAT JUL 9 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE BLACK HILLS OF SOUTH DAKOTA...AND THE BLACK HILLS OF WYOMING. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING. GUSTY WINDS AND HAIL ARE POSSIBLE FROM THE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY IT WILL BE HOT...DRY...AND WINDY ON SUNDAY, RESULTING IN CRITICAL FIRE WEATHER CONDITIONS. THUNDERSTORMS ARE POSSIBLE SUNDAY AND MONDAY. THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES... OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY SDZ025>027-030-031-041>043-072-074-101300- NORTHERN FOOT HILLS-RAPID CITY-SOUTHERN FOOT HILLS- CUSTER CO PLAINS-PENNINGTON CO PLAINS-FALL RIVER-OGLALA LAKOTA- JACKSON-STURGIS/PIEDMONT FOOT HILLS-HERMOSA FOOT HILLS- 346 AM MDT SAT JUL 9 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING. GUSTY WINDS AND SMALL HAIL ARE POSSIBLE FROM THE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY IT WILL BE HOT...DRY...AND WINDY ON SUNDAY, RESULTING IN CRITICAL FIRE WEATHER CONDITIONS. THUNDERSTORMS ARE POSSIBLE SUNDAY AND MONDAY. THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES... OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY SDZ014-032-044-046-047-049-101300- ZIEBACH-HAAKON-BENNETT-MELLETTE-TODD-TRIPP- 346 AM MDT SAT JUL 9 2016 /446 AM CDT SAT JUL 9 2016/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA...AND WESTERN SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS ARE POSSIBLE TODAY. THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY HOT...DRY..AND WINDY CONDITIONS WILL PUT THE GRASSLAND FIRE DANGER INDEX IN THE VERY HIGH TO EXTREME CATEGORY ON SUNDAY. THUNDERSTORMS ARE POSSIBLE SUNDAY AND MONDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES... OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY SDZ001-002-012-013-073-101300- HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS- SOUTHERN MEADE CO PLAINS- 346 AM MDT SAT JUL 9 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS ARE POSSIBLE TODAY. GUSTY WINDS AND SMALL HAIL ARE POSSIBLE FROM THE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY HOT...DRY..AND WINDY CONDITIONS WILL PUT THE GRASSLAND FIRE DANGER INDEX IN THE VERY HIGH TO EXTREME CATEGORY ON SUNDAY. THUNDERSTORMS ARE POSSIBLE SUNDAY AND MONDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES... OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY
In the hours before
Local storm report, Jul 9, 3:48 PM MDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
348 PM MDT SAT JUL 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0440 PM TSTM WND DMG 8 SSW PLAINVIEW 44.49N 102.20W
07/06/2016 MEADE SD NWS STORM SURVEY
SEVEN POWER POLES SNAPPED ALONG PLAINVIEW ROAD. WINDS
ESTIMATED AT 110 MPH.
&&
SJRLocal storm report, Jul 9, 3:53 PM MDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
353 PM MDT SAT JUL 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0444 PM TSTM WND GST 8 S PLAINVIEW 44.49N 102.16W
07/06/2016 M112 MPH MEADE SD NWS STORM SURVEY
WELL-SITED DAVIS WEATHER STATION LOCATED AT THE SIOUX
SPIRITUAL CENTER.
&&
SJRSpecial weather statement, Jul 9, 3:54 PM MDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RAPID CITY SD 354 PM MDT SAT JUL 9 2016 SDZ029-092230- SOUTHERN BLACK HILLS SD- 354 PM MDT SAT JUL 9 2016 ...STRONG THUNDERSTORM OVER NORTH CENTRAL CUSTER COUNTY... AT 354 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR CENTER LAKE...OR 7 MILES NORTHEAST OF CUSTER...MOVING EAST AT 10 MPH. DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... CUSTER PARK GAME LODGE...CENTER LAKE AND NORTHERN CUSTER STATE PARK. LAT...LON 4379 10354 4385 10354 4386 10333 4372 10335 TIME...MOT...LOC 2154Z 276DEG 11KT 4383 10348 JC
Local storm report, Jul 9, 3:58 PM MDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
358 PM MDT SAT JUL 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0452 PM TSTM WND DMG 16 WNW MILESVILLE 44.52N 101.99W
07/06/2016 HAAKON SD NWS STORM SURVEY
ONE OUT BUILDING OVERTURNED AND ANOTHER MOVED 30 FEET.
WINDS ESTIMATED AT 90 MPH.
&&
SJRLocal storm report, Jul 9, 4:02 PM MDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
402 PM MDT SAT JUL 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0425 PM TSTM WND DMG 6 SSE WHITE OWL 44.50N 102.40W
07/06/2016 MEADE SD NWS STORM SURVEY
SMALL OUT BUILDING OVERTURNED OFF CORRAL RD. WINDS
ESTIMATED AT 90 MPH.
&&
SJRSpecial weather statement, Jul 9, 4:03 PM MDT, 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RAPID CITY SD 403 PM MDT SAT JUL 9 2016 SDZ012-092230- BUTTE SD- 403 PM MDT SAT JUL 9 2016 ...STRONG THUNDERSTORM OVER NORTHWESTERN BUTTE COUNTY... AT 402 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 16 MILES NORTHEAST OF COLONY...OR 24 MILES NORTH OF BELLE FOURCHE...MOVING NORTHEAST AT 25 MPH. DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM. THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF NORTHWESTERN BUTTE COUNTY...NORTHWEST OF CASTLE ROCK. LAT...LON 4493 10391 4499 10400 4521 10385 4507 10358 TIME...MOT...LOC 2202Z 220DEG 21KT 4502 10391 JC
The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 8:33 PM MDT | Special Weather Statement | UNR | 27 min | |
| Jul 8, 11:21 PM MDT | Special Weather Statement | UNR | Butte | 39 min |
| Jul 8, 11:28 PM MDT | Severe Thunderstorm Warning | UNR | Butte | 31 min |
| Jul 9, 4:00 AM MDT | Red Flag Warning | UNR | 42 hr | |
| Jul 9, 2:11 PM MDT | Heat Advisory | UNR | Haakon, Jackson, Mellette, Todd, Tripp, Ziebach | 28 hr |
| Jul 9, 2:23 PM MDT | Special Weather Statement | UNR | 52 min | |
| Jul 9, 3:29 PM MDT | Special Weather Statement | UNR | Lawrence | 31 min |
| Jul 9, 3:54 PM MDT | Special Weather Statement | UNR | Custer | 36 min |
| Jul 9, 4:03 PM MDT | Special Weather Statement | UNR | Butte | 27 min |
| Jul 9, 4:17 PM MDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 58 min |
| Jul 9, 5:11 PM MDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Meade, Perkins | 64 min |
| Jul 9, 5:42 PM MDT | Special Weather Statement | UNR | Oglala Lakota | 33 min |
| Jul 9, 5:54 PM MDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 66 min |
| Jul 8, 6:40 PM MDT | Special Weather Statement | UNR | Campbell | 50 min |
| Jul 8, 9:02 PM MDT | Special Weather Statement | UNR | Campbell | 43 min |
| Jul 8, 9:13 PM MDT | Special Weather Statement | UNR | Campbell | 32 min |
| Jul 8, 9:36 PM MDT | Special Weather Statement | UNR | Crook | 24 min |
| Jul 8, 9:50 PM MDT | Special Weather Statement | UNR | Crook | 40 min |
| Jul 8, 9:53 PM MDT | Special Weather Statement | UNR | Crook | 52 min |
| Jul 8, 10:29 PM MDT | Special Weather Statement | UNR | Crook | 46 min |
| Jul 9, 4:00 AM MDT | Red Flag Warning | UNR | 16 hr |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2016Every severe thunderstorm warning in 2016
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.