Overview
A cold front tracked across southeast Michigan during the late afternoon-early evening hours of April 4th, leading to two lines of thunderstorms each producing pockets of damage south of I-94. Despite weak instability, the strongest cells were able to capitalize on low level wind shear near the intersection of the warm front and marine boundary layer, leading to rotation along the line. Storm surveys were conducted in both Whiteford Township (Monroe County) and Van Buren Township (Wayne County). The Monroe County cell was determined to be straight-line wind damage due to a divergent pattern. The Wayne County cell was determined to be an EF-1 tornado based on the damage pattern, radar data, and video evidence. This system also produced heavy rain with widespread storm totals of 1 to 3 inches and localized reports up to 4 inches. This event followed a wet pattern that occurred through the days prior, with widespread 5-day rainfall totals of 3 to 5 inches across much of Lower MI.
Tornado
Below are the NWS storm survey results for the EF-1 tornado that impacted Van Buren Township on April 4. Track map will be posted when available.Public Information Statement National Weather Service Detroit/Pontiac MI 746 PM EDT Sun Apr 5 2026 ...NWS Damage Survey for 04/04/2026 Tornado Event... .Van Buren Township Tornado... Rating: EF-1 Estimated Peak Wind: 100 mph Path Length /statute/: 3.25 miles Path Width /maximum/: 200 yards Fatalities: 0 Injuries: 0 Start Date: April 4, 2026 Start Time: 5:46 PM EDT Start Location: 2 NE Willis / Wayne County / MI Start Lat/Lon: 42.1788 / -83.5371 End Date: April 4, 2026 End Time: 5:50 PM EDT End Location: Belleville / Wayne County / MI End Lat/Lon: 42.2009 / -83.4749 The tornado started just south of Martz Rd between Rawsonville Rd and Hoeft Rd. It first flipped a hayride trailer and continued northeast toward Hull Rd. EF-1 damage occurred along Hull Rd with the greatest concentration of EF-1 damage along and just south of Hull Rd between Elwell Rd and Bak Rd. This damage included multiple trees uprooted and snapped, telephone poles snapped, and a large barn wall blown out. The tornado continued northeast crossing Sumpter Rd producing EF-0 damage with scattered large tree limbs and power lines downed. The tornado lifted right before reaching Savage Rd. && EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0.....65 to 85 mph EF1.....86 to 110 mph EF2.....111 to 135 mph EF3.....136 to 165 mph EF4.....166 to 200 mph EF5.....>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.
Radar
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| Loop of NEXRAD Base Reflectivity Radar from 2:10pm to 7:30pm, April 4 2026 - courtesy Iowa Environmental Mesonet (IEM) |
Storm Reports
National Weather Service Detroit/Pontiac MI
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0945 AM Flood Holly 42.80N 83.62W
04/04/2026 Oakland MI NWS Employee
Multiple locations north of Holly Road and Grange Hall
Road were flooded and a couple local lakes in the same
area were flooding into backyards.
1110 AM Flood 1 N Romeo 42.82N 83.01W
04/04/2026 Macomb MI Public
A home just north of Romeo reported standing water
above a half a foot in their yard that had flooded the
ground level of outside stuctures.
1200 PM Flood N Port Sanilac 43.43N 82.55W
04/04/2026 Sanilac MI Public
A lot of standing water covering lawns, roads, and
other low lying areas from Port Sanilac to Lexington
from many ditches, creeks and streams out of their
banks.
0320 PM Tstm Wnd Dmg 3 NW Lambertville 41.79N 83.66W
04/04/2026 Monroe MI Amateur Radio
Numerous trees downed in the vicinity of Piehl Rd,
Summerfield Rd, Erie Rd, and St. Anthony Rd. Damage to
two homes reported on Piehl Rd.
0546 PM Tornado 2 NE Willis 42.18N 83.54W
04/04/2026 Wayne MI NWS Storm Survey
NWS storm survey confirms an EF-1 tornado occurred in
Van Buren Twp on April 4. The tornado started just south
of Martz Rd between Rawsonville Rd and Hoeft Rd,
continued northeast along Hull Rd, then crossed Sumpter
Rd and lifted before reaching Savage Rd.
0553 PM Tstm Wnd Dmg 2 E Belleville 42.21N 83.44W
04/04/2026 Wayne MI Broadcast Media
Numerous trees and power lines down near E Huron River
Dr and Haggerty Rd.
&&
Photos
Whiteford Township
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| Source: NWS Storm Survey | Source: NWS Storm Survey | Source: NWS Storm Survey |
Van Buren Township
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| Source: NWS Storm Survey | Source: NWS Storm Survey | Source: NWS Storm Survey |
Environment
It was another highly conditional setup for SE Michigan, with low confidence in surface destabilization. Leading up to the event, the main concern was for damaging winds with a secondary risk of a brief, spin-up tornado if storms interacted with the marine boundary layer. The decision to include Monroe County in Severe Thunderstorm Watch #97 came as a line of thunderstorms over northern Ohio lifted into extreme southeastern Michigan. There was plenty of low level shear in the synoptic environment and backed surface winds near the shoreline, so the question was always about northward progress of the warm front/instability. SPC mesoanalysis (Figure 5) was not overly impressive with the SBCAPE magnitude (< 500 J/kg), but at the end of the day proved to be enough for storm-scale dynamics to overcome.
The first line of storms produced a pocket of straight-line wind damage in southwest Monroe County near Lambertville in Whiteford Township. The line quickly encountered stable air as it moved north of the front/into the marine layer, which prevented more widespread damage. Radar presentation showed a defined wind bubble on the TDWR of nearly 60 knots at 800 feet, while an unbalanced velocity couplet pointed toward straight-line winds as opposed to a tornadic circulation. This was confirmed by a storm survey, noting a divergent pattern to damage consistent with straight-line winds. A second line of storms developed along the cold front, roughly 75 miles behind the leading line. This was another shallow line of storms with minimal lightning activity that was able to take advantage of enhanced streamwise vorticity near the front and marine layer. Tornado Warnings were issued as rotation developed briefly along multiple spots in the line. The strongest area of rotation produced a short-lived EF-1 tornado that tracked northeast through Van Buren Township in Wayne County, near Belleville.
Finally, this event produced minor flooding across southeast Michigan. Numerous River Flood Warnings were issued, in addition to Flood Advisories where 1 to 3 inches of rain (locally up to 4 inches) occurred throughout the day. There were numerous reports of standing water covering lawns, roads, and other low-lying areas. Flash flooding, however, was not observed.
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| Figure 1: WPC Surface Analysis, valid 18 UTC April 4, 2026 | Figure 2: WPC Surface Analysis, valid 21 UTC April 4, 2026 | Figure 3: WPC Surface Analysis, valid 00 UTC April 5, 2026 |
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| Figure 4: 0-1km SR Helicity, valid 19 UTC April 4, 2026 | Figure 5: Surface-based CAPE, valid 19 UTC April 4, 2026 | Figure 6: Precipitable Water (PWAT), valid 19 UTC April 4, 2026 |
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| Figure 7: DTX Sounding, valid 18 UTC April 4, 2026 | Figure 8: DTX Sounding, valid 00 UTC April 4, 2026 | Figure 10: SPC Categorical Outlook, valid 1300 UTC April 4, 2026 |
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| Figure 11: SPC Probabilistic Damaging Wind Outlook, valid 1300 UTC April 4, 2026 | Figure 12: SPC Probabilistic Tornado Outlook, valid 1300 UTC April 4, 2026 | Figure 14: SPC Mesoscale Discussion #358, valid April 4, 2026 |
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| Figure 15: Severe Thunderstorm Watch #97, valid April 4, 2026 |
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