Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >
NWS DAMAGE SURVEY FOR 05/12/2023 TORNADO EVENT A CLOSED LOW PRESSURE SYSTEM MOVED SLOWLY ACROSS THE NORTHERN PLAINS MAY 12, 2023. THIS SYSTEM WAS RESPONSIBLE FOR MULTIPLE TORNADOES ACROSS PORTIONS OF NORTH CENTRAL NEBRASKA. THIS STORM SURVEY IS PRELIMINARY AND THE ADDITION OF FURTHER TORNADO TRACKS IS POSSIBLE. IN TOTAL, 7 TORNADOES WERE DETERMINED TO HAVE OCCURRED ACROSS PORTIONS OF CUSTER, GARFIELD, WHEELER, AND HOLT COUNTIES. WE WILL EVALUATE THE NEED FOR ADDITIONAL SURVEYS FOR PORTIONS OF FAR SOUTH CENTRAL CHERRY COUNTY AND FAR NORTHEAST LOGAN COUNTY. .TORNADO 1... RATING: EF-1 ESTIMATED PEAK WIND: 110 MPH PATH LENGTH /STATUTE/: 4.02 MILES PATH WIDTH /MAXIMUM/: 100 YARDS FATALITIES: 0 INJURIES: 0 START DATE: MAY 12, 2023 START TIME: 12:34 PM CDT START LOCATION: ANSELMO END DATE: MAY 12, 2023 END TIME: 12:48 PM CDT END LOCATION: 4 NW OF ANSELMO THE TORNADO MOVED TO THE NORTHWEST, CAUSING EXTENSIVE TREE DAMAGE ON THE WEST SIDE OF ANSELMO. .TORNADO 2... RATING: EF-U ESTIMATED PEAK WIND: UNKNOWN MPH PATH LENGTH /STATUTE/: UNKNOWN MILES PATH WIDTH /MAXIMUM/: UNKNOWN YARDS FATALITIES: 0 INJURIES: 0 START DATE: MAY 12, 2023 START TIME: 12:42 PM CDT START LOCATION: 4 N OF ARNOLD END DATE: MAY 12, 2023 END TIME: 12:43 PM CDT END LOCATION: 4 N OF ARNOLD THIS TORNADO TOUCHED DOWN IN AN OPEN FIELD. NO DAMAGE WAS OBSERVED. .TORNADO 3... RATING: EF-U ESTIMATED PEAK WIND: UNKNOWN MPH PATH LENGTH /STATUTE/: UNKNOWN MILES PATH WIDTH /MAXIMUM/: UNKNOWN YARDS FATALITIES: 0 INJURIES: 0 START DATE: MAY 12, 2023 START TIME: 12:47 PM CDT START LOCATION: 5 NNW OF ARNOLD END DATE: MAY 12, 2023 END TIME: 12:48 PM CDT END LOCATION: 5 NNW OF ARNOLD THIS TORNADO TOUCHED DOWN IN AN OPEN FIELD. NO DAMAGE WAS OBSERVED. .TORNADO 4... RATING: EF-1 ESTIMATED PEAK WIND: 107 MPH PATH LENGTH /STATUTE/: 3.42 MILES PATH WIDTH /MAXIMUM/: 50 YARDS FATALITIES: 0 INJURIES: 0 START DATE: MAY 12, 2023 START TIME: 3:11 PM CDT START LOCATION: 3.75 SSE OF BARTLETT END DATE: MAY 12, 2023 END TIME: 3:20 PM CDT END LOCATION: 1 SSW OF BARTLETT THIS TORNADO TOUCHED DOWN AND MAINLY IMPACTED OPEN AREAS. HOWEVER, A FEW STANDS OF TREES WERE DAMAGED, WITH TRUNKS SNAPPED AND LARGE LIMBS LOST. .TORNADO 5... RATING: EF-U ESTIMATED PEAK WIND: UNKNOWN MPH PATH LENGTH /STATUTE/: UNKNOWN MILES PATH WIDTH /MAXIMUM/: UNKNOWN YARDS FATALITIES: 0 INJURIES: 0 START DATE: MAY 12, 2023 START TIME: 3:25 PM CDT START LOCATION: 5.25 NW OF ERICSON END DATE: MAY 12, 2023 END TIME: 3:33 PM CDT END LOCATION: 5.25 NW OF ERICSON THIS TORNADO TOUCHED DOWN IN OPEN COUNTRY NORTHWEST OF ERICSON. AT THIS TIME NO DAMAGE WAS OBSERVED. HOWEVER, VIDEO EVIDENCE SUPPORTS THE OCCURRENCE OF THIS TORNADO. .TORNADO 6... RATING: EF-2 ESTIMATED PEAK WIND: 120 MPH PATH LENGTH /STATUTE/: 7.85 MILES PATH WIDTH /MAXIMUM/: 75 YARDS FATALITIES: 0 INJURIES: 0 START DATE: MAY 12, 2023 START TIME: 3:55 PM CDT START LOCATION: 9 SSE OF CHAMBERS END DATE: MAY 12, 2023 END TIME: 4:06 PM CDT END LOCATION: 3.7 SW OF CHAMBERS THIS TORNADO TOUCHED DOWN IN FAR NORTHERN WHEELER COUNTY, QUICKLY STRENGTHENING AND CAUSED EXTENSIVE DAMAGE TO SHELTER BELTS. DEBARKING WAS OBSERVED IN TREES ALONG THE COUNTY LINE. THE TORNADO CONTINUED NORTHWESTWARD INTO HOLT COUNTY, DAMAGING ADDITIONAL TREES, FARM OUTBUILDINGS, AND PIVOT SYSTEMS. .TORNADO 7... RATING: EF-U ESTIMATED PEAK WIND: UNKNOWN MPH PATH LENGTH /STATUTE/: UNKNOWN MILES PATH WIDTH /MAXIMUM/: UNKNOWN YARDS FATALITIES: 0 INJURIES: 0 START DATE: MAY 12, 2023 START TIME: 4:00 PM CDT START LOCATION: 6 N OF ARNOLD END DATE: MAY 12, 2023 END TIME: 4:01 PM CDT END LOCATION: 6 N OF ARNOLD THIS TORNADO TOUCHED DOWN IN AN OPEN FIELD. NO DAMAGE WAS OBSERVED. EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE FOLLOWING CATEGORIES. EF0...WEAK......65 TO 85 MPH EF1...WEAK......86 TO 110 MPH EF2...STRONG....111 TO 135 MPH EF3...STRONG....136 TO 165 MPH EF4...VIOLENT...166 TO 200 MPH EF5...VIOLENT...>200 MPH* NOTE: THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO CHANGE PENDING FINAL REVIEW OF THE EVENT AND PUBLICATION IN NWS STORM DATA.