The NOAA Storm Prediction Center logged 7 tornado reports, 9 hail reports and 29 damaging-wind reports for the storm day from 12:00 UTC on Aug 30, 2023 to 12:00 UTC the next morning — most of them in MT, ND, SC.
| UTC | Rating | Place | County | State | Remarks |
|---|---|---|---|---|---|
| 12:06 | — | 2 Sw Saint Simons | Glynn | GA | A short-lived EF1 tornado moved NNW across St. Simons Sound and moved across the southern tier of St. Simons Island in an outer rainband of Hurricane Idalia. Observed d (JAX) |
| 14:00 | — | 7 N Midway | Liberty | GA | A weak... brief tornado... associated with an outer band of Hurricane Idalia... snapped at least one tree... uprooted at least another tree and destroyed a small wooden (CHS) |
| 16:22 | — | 1 Nw Goose Creek | Berkeley | SC | Emergency management reported that a car was flipped over at the intersection of Camelot Drive and South Goose Greek Blvd. Video was used to confirm that the car was hi (CHS) |
| 18:57 | — | 2 Ene Turbeville | Clarendon | SC | A National Weather Service storm survey team confirmed a brief EF-1 tornado with peak winds of 90 mph... spawned by Hurricane Idalia... near Turbeville. The tornado beg (CAE) |
| 19:30 | — | 6 Se Cainhoy | Charleston | SC | A National Weather Service storm survey confirmed a torndo... which was associated with the outer bands of Hurricane Idalia. The tornado touched down just south of Hwy (CHS) |
| 20:59 | — | 3 Ene Huger | Berkeley | SC | A National Weather Service storm survey confirmed a weak tornado associated with the outer bands of Idalia. Several trees snapped or uprooted along an approximately 2 m (CHS) |
| 02:12 | — | 3 Sse Little River | Horry | SC | North Myrtle Beach Rescue reported tornado damage in the Cherry Grove area. Moderate structural damage around 57th Ave N and Ocean Blvd... continuing several blocks to (ILM) |
| UTC | Size | Place | County | State | Remarks |
|---|---|---|---|---|---|
| 00:00 | 1.00″ | 6 Ene Tucson | Pima | AZ | Quarter size hail has been coming down for about 10-15 minutes. Estimated 40 mph gusts were also reported. (TWC) |
| 00:46 | 1.25″ | Arnegard | Mckenzie | ND | Heavy rain along with wind gusts to 40 mph. (BIS) |
| 00:51 | 1.00″ | Arnegard | Mckenzie | ND | Social media photo of hail in Arnegard. Time estimated based on radar. (BIS) |
| 00:55 | 1.75″ | Arnegard | Mckenzie | ND | Heavy Rain and Wind gusts to 40 mph. (BIS) |
| 01:00 | 1.00″ | Arnegard | Mckenzie | ND | Corrects previous hail report for time from Arnegard. Social media photo of hail in Arnegard. Time estimated based on radar. (BIS) |
| 01:10 | 1.00″ | 1 N Arnegard | Mckenzie | ND | Social media report and photo of hail covering the ground. Largest is the size of a quarter. Hail lasted off and on for 30 minutes prior. (BIS) |
| 02:33 | 1.75″ | Dickinson | Stark | ND | Multiple social media photos of hail in Dickinson. Largest measured at golf ball size. Time estimated based on radar. (BIS) |
| 02:47 | 1.00″ | 2 Nne Dickinson | Stark | ND | Heavy rain. (BIS) |
| 02:51 | 1.25″ | 4 W Hirschville | Dunn | ND | Social Media photo of hail larger than a quarter. Time estimated based on radar. (BIS) |
| UTC | Gust | Place | County | State | Remarks |
|---|---|---|---|---|---|
| 21:05 | 61 mph | 6 Ene Livingston | Park | MT | (BYZ) |
| 21:10 | damage | 1 Nnw Pawleys Island | Georgetown | SC | Significant tree damage to large oaks along True Blue Drive along with significant damage to one home due to a falling tree. Time estimated based on radar. (ILM) |
| 21:15 | 59 mph | 9 Se Melville | Sweet Grass | MT | (BYZ) |
| 21:47 | damage | 1 Ese Sampit | Georgetown | SC | Multiple trees down in the Sampit area along Woodland Rd. near the intersection with Yellowthroat Rd. Possible tornado. Time estimated based on radar. (ILM) |
| 22:30 | 63 mph | 7 S Reedpoint | Stillwater | MT | (BYZ) |
| 22:45 | 63 mph | 9 Wnw Absarokee | Stillwater | MT | (BYZ) |
| 23:00 | 61 mph | 8 Wsw Molt | Stillwater | MT | (BYZ) |
| 23:10 | 58 mph | 8 Ssw Hysham | Treasure | MT | (BYZ) |
| 23:54 | damage | 1 S Myrtle Grove | New Hanover | NC | Two oak trees down and blocking Myrtle Grove Rd. near the intersection with Golden Rd. in Myrtle Grove... NC. (ILM) |
| 00:00 | 64 mph | 19 W Angela | Rosebud | MT | (BYZ) |
| 00:15 | 59 mph | 5 W Van Norman | Garfield | MT | Mesonet station MTM88 Jordan E. (GGW) |
| 00:20 | 63 mph | 5 W Hathaway | Rosebud | MT | (BYZ) |
| 00:23 | 59 mph | 2 Nw Rock Springs | Rosebud | MT | (BYZ) |
| 00:44 | 59 mph | 14 Nnw Hell Creek Rec A | Valley | MT | Mesonet station KIGM8 King Coulee. (GGW) |
| 00:45 | 59 mph | 4 S Miles City | Custer | MT | (BYZ) |
| 00:49 | 63 mph | 3 Wnw Miles City | Custer | MT | (BYZ) |
| 01:00 | damage | Miles City | Custer | MT | Tree damage. Tree snapped off at base... tree uprooted... multiple 4-12 inch diameter branches down (BYZ) |
| 01:00 | 60 mph | Circle | Mccone | MT | Tree branches knocked down. Estimated the wind was still gusting up to 50 mph at the time of the report. (GGW) |
| 01:10 | damage | 9 E Miles City | Custer | MT | Dead tree snapped. 18 inches in diameter. (BYZ) |
| 01:30 | 58 mph | 4 Ne Terry | Prairie | MT | Mesonet station MTM29 3.9 NE Terry (MT-MESO). (GGW) |
| 01:45 | 59 mph | 8 E Tucson | Pima | AZ | Mesonet station FW3746 Tucson Melpomene/Old Spanish Trl. (TWC) |
| 01:56 | 58 mph | 1 Nw Forest Park | Dawson | MT | AWOS station KGDV Glendive Airport. (GGW) |
| 02:00 | 58 mph | 5 Ese Hoyt | Dawson | MT | Mesonet station MTM28 5.2 E Hoyt (MT-MESO). (GGW) |
| 02:35 | 59 mph | 1 Ne Beach | Golden Valley | ND | AWOS station K20U Beach. (BIS) |
| 03:05 | 60 mph | Sidney | Richland | MT | Pea-sized hail and a lot of rain with minor street flooding observed. (GGW) |
| 03:12 | 60 mph | 11 Wsw Sather Dam | Mckenzie | ND | Combined with Nickle sized hail. (BIS) |
| 03:35 | 58 mph | 3 W Buffalo Springs | Bowman | ND | AWOS station KBWW Bowman Airport. (BIS) |
| 03:45 | 60 mph | 5 Sw Williston | Mckenzie | ND | NDAWN Station 5 SW Williston. (BIS) |
| 04:17 | 62 mph | 8 N Grenora | Divide | ND | NDAWN Station 8 N Grenora. (BIS) |
Original file: SPC report page for this day. Times are UTC; the storm day starts at 12:00 UTC (7 AM CDT).