Note: All Reports Are Considered Preliminary |
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Tornado Reports (CSV) (Raw Tornado CSV)(?) |
Time | | Location | County | State | Lat | Lon | Comments |
0111 | | 6 NNE Ashby | Cherry | NE | 4210 | 10190 | Chaser reports stovepipe tornado via social media. (LBF) |
0113 | | 10 N Hyannis | Cherry | NE | 4215 | 10176 | Chaser report via social media. (LBF) |
0131 | | 6 NW Whitman | Cherry | NE | 4211 | 10161 | Chaser report of a new tornado via Spotter Network and NWS chat. (LBF) |
0151 | | 20 N Whitman | Cherry | NE | 4233 | 10154 | Spotter reports tornado 20 miles north of Whitman. (LBF) |
0257 | | 21 SW Merritt Reservoir | Cherry | NE | 4243 | 10116 | Radar confirmed tornado. (LBF) |
0351 | | 3 WSW Merritt Reservoir | Cherry | NE | 4262 | 10092 | (LBF) |
Hail Reports (CSV) (Raw Hail CSV)(?) |
Time | Size | Location | County | State | Lat | Lon | Comments |
0100 | 100 | 6 SE Oglala | Oglala Lakota | SD | 4313 | 10265 | (UNR) |
0100 | 200 | Manderson | Oglala Lakota | SD | 4324 | 10247 | (UNR) |
0103 | 150 | Olive | Powder River | MT | 4553 | 10553 | (BYZ) |
0115 | 150 | 2 N Olive | Powder River | MT | 4557 | 10553 | Report from mPING: Ping Pong Ball (1.50 in.). (BYZ) |
0127 | 175 | 6 N Olive | Powder River | MT | 4562 | 10555 | (BYZ) |
0131 | 200 | 7 ENE Olive | Powder River | MT | 4558 | 10540 | Sky lights broken. (BYZ) |
0140 | 100 | 1 S Rockyford | Oglala Lakota | SD | 4347 | 10249 | (UNR) |
0147 | 150 | 3 NW Silver City | Pennington | SD | 4412 | 10361 | (UNR) |
0147 | 150 | 7 WSW Nemo | Lawrence | SD | 4415 | 10364 | (UNR) |
0151 | 300 | 11 N Whitman | Cherry | NE | 4221 | 10152 | Report via spotter network. (LBF) |
0215 | 175 | 3 S Mystic | Pennington | SD | 4402 | 10365 | (UNR) |
0230 | 150 | 16 ESE Powderville | Carter | MT | 4570 | 10477 | (BYZ) |
0304 | 100 | Box Butte Dam | Dawes | NE | 4245 | 10308 | Quarter-sized hail reported by the public via Facebook. (CYS) |
0355 | 125 | Pierre Regional Airport | Hughes | SD | 4438 | 10030 | Most hail stones between nickel and quarter size. (ABR) |
Wind Reports (CSV) (Raw Wind CSV)(?) |
Time | Speed | Location | County | State | Lat | Lon | Comments |
0122 | 58 | 3 W Fishtail | Stillwater | MT | 4546 | 10957 | (BYZ) |
0257 | 58 | Chadron | Dawes | NE | 4283 | 10300 | KCDR reported a wind gust of 58mph at 8:57pm. (CYS) |
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Filtered Tornado Reports (CSV) (Raw Tornado CSV)(?) |
Time | | Location | County | State | Lat | Lon | Comments |
0111 | | 6 NNE Ashby | Cherry | NE | 4210 | 10190 | Chaser reports stovepipe tornado via social media. (LBF) |
0113 | | 10 N Hyannis | Cherry | NE | 4215 | 10176 | Chaser report via social media. (LBF) |
0131 | | 6 NW Whitman | Cherry | NE | 4211 | 10161 | Chaser report of a new tornado via Spotter Network and NWS chat. (LBF) |
0151 | | 20 N Whitman | Cherry | NE | 4233 | 10154 | Spotter reports tornado 20 miles north of Whitman. (LBF) |
0257 | | 21 SW Merritt Reservoir | Cherry | NE | 4243 | 10116 | Radar confirmed tornado. (LBF) |
0351 | | 3 WSW Merritt Reservoir | Cherry | NE | 4262 | 10092 | (LBF) |
Filtered Hail Reports (CSV) (Raw Hail CSV)(?) |
Time | Size | Location | County | State | Lat | Lon | Comments |
0100 | 100 | 6 SE Oglala | Oglala Lakota | SD | 4313 | 10265 | (UNR) |
0100 | 200 | Manderson | Oglala Lakota | SD | 4324 | 10247 | (UNR) |
0103 | 150 | Olive | Powder River | MT | 4553 | 10553 | (BYZ) |
0131 | 200 | 7 ENE Olive | Powder River | MT | 4558 | 10540 | Sky lights broken. (BYZ) |
0140 | 100 | 1 S Rockyford | Oglala Lakota | SD | 4347 | 10249 | (UNR) |
0147 | 150 | 3 NW Silver City | Pennington | SD | 4412 | 10361 | (UNR) |
0147 | 150 | 7 WSW Nemo | Lawrence | SD | 4415 | 10364 | (UNR) |
0151 | 300 | 11 N Whitman | Cherry | NE | 4221 | 10152 | Report via spotter network. (LBF) |
0215 | 175 | 3 S Mystic | Pennington | SD | 4402 | 10365 | (UNR) |
0230 | 150 | 16 ESE Powderville | Carter | MT | 4570 | 10477 | (BYZ) |
0304 | 100 | Box Butte Dam | Dawes | NE | 4245 | 10308 | Quarter-sized hail reported by the public via Facebook. (CYS) |
0355 | 125 | Pierre Regional Airport | Hughes | SD | 4438 | 10030 | Most hail stones between nickel and quarter size. (ABR) |
Filtered Wind Reports (CSV) (Raw Wind CSV)(?) |
Time | Speed | Location | County | State | Lat | Lon | Comments |
0122 | 58 | 3 W Fishtail | Stillwater | MT | 4546 | 10957 | (BYZ) |
0257 | 58 | Chadron | Dawes | NE | 4283 | 10300 | KCDR reported a wind gust of 58mph at 8:57pm. (CYS) |
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The Storm Reports page is organized based on reports received from 1200 UTC to 1159 UTC the next day. For example, storm report page for 20150430 covers reports from 20150430 at 1200 UTC to 20150501 at 1159 UTC. |
Full report in comma-separated values (CSV) format and in KML format. |
Full filtered report in comma-separated values (CSV) format and in KML format. |
KML files are created with time-enabled placemarks compatible with Google Earth Time Slider. |
Raw full report in comma-separated values (CSV) format. |
Fields marked UNK are unknown. |
All Times UTC. |
Wind Gusts in MPH. |
Hail Sizes in 1/100 of an Inch (175 = 1.75") |
LAT/LON in decimal degrees to two decimals, see SPC FAQ for more info. |
List of Weather Forecast Office 3-letter IDs appear in the report comments section. |
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