Hail, Pennington
- When
- May 27, 9:09 AM MST
- Where
- Pennington County, 0.67 mi SE of Rapid City
- Measured
- 0.75 in hail
- Reported by
- Official NWS Observations
- Coordinates
- 44.073, -103.211
Hail in South Dakota, May 27, 2013
A storm briefly became severe as it moved north from Rapid City into south central Meade County. The storm produced hail to golf ball size near Ellsworth Air Force Base.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS UNR wrote it up.
A storm briefly became severe as it moved north from Rapid City into south central Meade County. The storm produced hail to golf ball size near Ellsworth Air Force Base.
What forecasters said that day
The local office's own words before the first event, 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 the first event at May 27, 4:32 AM MST, 4 hours 37 minutes earlier.
Area forecast discussion, May 27, 4:32 AM MST, 4 hours 37 minutes before
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY NATIONAL WEATHER SERVICE RAPID CITY SD 532 AM MDT MON MAY 27 2013 .SHORT TERM...TODAY THROUGH TUESDAY NIGHT ISSUED AT 257 AM MDT MON MAY 27 2013 08Z SURFACE ANALYSIS HAD LOW PRESSURE OVER EASTERN CO WITH LEE TROUGH INTO EASTERN MT AND STATIONARY FRONT BOUNDARY INTO FAR SOUTHERN SD. MANY OUTFLOW BOUNDARIES OVER CWA GIVEN OVERNIGHT CONVECTION. ST/BR COVERS MUCH OF THE CWA. MAIN CONCERN THIS FORECAST IS UPSTREAM SHORTWAVE CURRENTLY OVER ID PER WATER VAPOUR. TODAY/TONIGHT...ID SHORTWAVE WILL MOVE INTO EASTERN MT ALLOWING LEE TROUGH TO MOVE SOMEWHAT EAST AND WEAK COLD FRONT TO DEVELOP OVER MT AND MOVE OVER CWA THIS AFTERNOON/TONIGHT...CONVERGING WITH LEE TROUGH AND STATIONARY FRONTAL BOUNDARY. WEAK UPSLOPE FLOW WILL CONTINUE WHICH WILL KEEP ST/BR AROUND THIS MORNING...AND THEN POSSIBLY BURNING OFF MIDDAY AS SOLAR INSOLATION INCREASES. IF ST DOESN/T BURN OFF...LARGE FORECAST TEMPERATURE BUST LIKELY AS WELL AS MUCH LESS CONVECTION. IF WE DO WARM UP...EXPECT MLCAPE VALUES FROM 1-2KJ/KG AND 0-6KM SHEAR AROUND 20M/S. VALUES SUFFICIENT FOR SUPERCELL DEVELOPMENT AND SUBSEQUENT LARGE HAIL/DAMAGING WIND THREAT THIS AFTERNOON/EVENING. TUESDAY...WEAK HIGH PRESSURE/OUTFLOW FROM TONIGHT/S CONVECTION WILL PUSH MAIN SURFACE BOUNDARIES TO THE NE/SD BORDER. THIS WILL BE THE FOCUS FOR NEW STORMS TUESDAY AFTERNOON/EVENING WITH A SLIGHT RISK OF SEVERE TSRA GIVEN FORECAST HODOGRAPHS/SOUNDINGS. TEMPERATURES NEAR GUIDANCE. && .LONG TERM...WEDNESDAY THROUGH SUNDAY ISSUED AT 257 AM MDT MON MAY 27 2013 LARGE WESTERN UPPER TROF WILL CROSS THE NORTHERN ROCKIES MID-WEEK BRINGING CONTINUED CHANCES FOR THUNDERSTORMS. SEVERE THREAT WILL CONTINUE OVER MUCH OF THE AREA WEDNESDAY WITH AMPLE INSTABILITY AND SHEAR EXPECTED. BY THURSDAY AND FRIDAY...UPPER TROF WILL ENTER THE NORTHERN PLAINS WITH CLOSED LOW OVER THE DAKOTAS. THIS WILL BRING CONTINUED PRECIP CHANCES...MAINLY RAIN SHOWERS AND ISOLATED THUNDERSTORMS...ALONG WITH COOLER TEMPS. UPPER TROF WILL SHIFT EAST BY THE WEEKEND...WITH DRIER AND MORE MILD CONDITIONS RETURNING. && .AVIATION...(FOR THE 12Z TAFS THROUGH 12Z TUESDAY MORNING) ISSUED AT 530 AM MDT MON MAY 27 2013 MAINLY IFR CIGS/VIS WILL PERSIST ACROSS MUCH OF THE AREA THIS MORNING WITH WIDESPREAD FOG. MOIST LAYER MAY LIFT TO MVFR STRATUS DECK BY NOON...BUT MVFR CEILINGS MAY PERSIST ACROSS MUCH OF THE SOUTH DAKOTA PLAINS THROUGH MID AFTERNOON. SHOWERS AND THUNDERSTORMS WILL RE-DEVELOP THIS AFTERNOON AND EVENING...WITH SEVERE THUNDERSTORMS POSSIBLE. && .UNR WATCHES/WARNINGS/ADVISORIES... SD...NONE. WY...NONE. && SHORT TERM...HELGESON LONG TERM...15 AVIATION...15
Hazardous weather outlook, May 27, 2:36 AM MST, 6 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 336 AM MDT MON MAY 27 2013 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-281300- BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON- HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK- NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS- NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY- SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS- SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP- WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH- 336 AM MDT (436 AM CDT) MON MAY 27 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTHEAST WYOMING AND WESTERN SOUTH DAKOTA THIS AFTERNOON AND THIS EVENING. LARGE HAIL WILL BE THE MAIN THREAT WITH DAMAGING WINDS ALSO POSSIBLE. IN ADDITIONAL TO THE SEVERE WEATHER...LOCALLY HEAVY RAINFALL MAY OCCUR. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THUNDERSTORMS ARE EXPECTED THIS WEEK. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER FAR SOUTHERN SOUTH DAKOTA TUESDAY...AND THEN OVER WESTERN SOUTH DAKOTA WEDNESDAY. LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN THREAT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED 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, May 27, 8:23 AM MST, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
923 AM MDT MON MAY 27 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM HAIL 5 WSW KEYHOLE RESERVOIR 44.34N 104.94W
05/26/2013 E1.00 INCH CROOK WY PUBLIC
TIME ESTIMATED
&&
POJORLIESpecial weather statement, May 27, 8:53 AM MST, 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RAPID CITY SD 953 AM MDT MON MAY 27 2013 SDZ026-031-271645- PENNINGTON CO PLAINS SD-RAPID CITY SD- 953 AM MDT MON MAY 27 2013 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL PENNINGTON COUNTY UNTIL 1045 AM MDT... AT 949 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6 MILES SOUTHWEST OF RAPID CITY AIRPORT...OR 10 MILES SOUTHEAST OF DOWNTOWN RAPID CITY...MOVING EAST AT 20 MPH. HAIL UP TO THE SIZE OF NICKELS IS EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... RAPID CITY AIRPORT... CAPUTA... FARMINGDALE... NEW UNDERWOOD... THIS INCLUDES INTERSTATE 90 BETWEEN SOUTH DAKOTA MILE MARKERS 78 AND 83... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 4413 10273 4391 10269 4390 10319 4402 10322 TIME...MOT...LOC 1553Z 255DEG 18KT 4397 10308 TRIMARCHI
The radar
The Rapid City radar (KUDX), 31 km away, was scanning. The volume nearest the first event began at 16:07 UTC.
Event by event
2 hail. Local standard time, as filed.
Hail, Meade
- When
- May 27, 9:25 AM MST to 9:30 AM MST
- Where
- Meade County, 3 mi NNE of Ellsworth Afb
- Measured
- 1.75 in hail
- Reported by
- Public
- Coordinates
- 44.190, -103.077
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Kansas, May 27, 2013
- Tornado and Hail in Nebraska, May 27, 2013
- Rip Currents in Florida, May 27, 2013
- Flood in Alaska, May 27 to 31, 2013
- Damaging Winds in Illinois, May 27, 2013
- Tornadoes and Flash Flooding in Nebraska, May 27, 2013
- Tornado and Hail in Kansas, May 27, 2013
- Hail in Wyoming, May 27, 2013
- Flood in Alaska, May 27 to 29, 2013
- Hail in South Dakota, May 27, 2013
- Hail and Damaging Winds in Oklahoma, May 27, 2013
- Flood and Damaging Winds in Indiana, May 27, 2013
More
Every storm in South Dakota in 2013Every state in 2013This day in weather historyWarnings in South Dakota, May 2013
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 449235, 449239.