Official account of #AnnArbor Police Dept. Follow for information about the City and the Department. For emergencies, contact 911. https://xitter.cf/t.co/34QR99gNfS
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ALT Three school bus scenarios. When overhead lights are flashing yellow - prepare to stop. When overhead lights are flashing read - stop. When hazard warning lights are flashing - proceed with caution.
ALT This graphic displays a tornado warning plotted on a map. The warning is in effect until 4:15 PM EDT. The warning includes Ann Arbor MI, Ypsilanti MI and Barton Hills MI. This warning is for Northeastern Washtenaw County in southeastern Michigan. The threats associated with this warning are a radar indicated tornado and pea sized hail. There are 307,291 people in the warning along with 77 schools and 5 hospitals.
ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 11:00 AM EDT. The statement includes Ann Arbor MI, Ypsilanti MI and Chelsea MI. A STRONG THUNDERSTORM WILL IMPACT NORTHERN WASHTENAW COUNTY THROUGH 1100 AM EDT. The threats associated with this storm are wind gusts up to 50 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.
ALT Marginal Risk generally across Midland southeast to Port Huron and the Slight Risk along and southwest of a Flint to Pontiac line. Severe Threats: Isolated Tornado, Hail to 1.00", Damaging Winds to 70 mph, Localized Flash Flooding. Action: Have multiple ways to receive warnings and stay weather aware! Storm Motion: Northwest to southeast at 35 mph.
ALT Another organized cluster of thunderstorms will track from the Upper Midwest into the southern Great Lakes overnight. The heaviest rainfall is expected south of I-94, with greatest potential near the MI-OH border. Isolated rainfall rates may exceed an inch per hour and result in localized storm totals over 2 inches. Additional heavy rainfall is possible Tuesday afternoon-evening. Localized flash flooding will be possible, especially if heavy rainfall persists for longer durations over urban areas or already saturated soils. Never drive through flooded roadways. Turn around, don't drown!
ALT Multiple rounds of thunderstorms possible today, with severe weather chances increasing this afternoon and evening. Upstream thunderstorm activity this morning will have a large impact on how severe weather evolves this afternoon, making this a low confidence, but potentially impactful scenario for SE MI. Have multiple ways to receive warnings and stay weather aware! Severe weather threats: isolated tornado, hail to 1 inch diameter, damaging winds to 70 mph, localized flash flooding. Storm motion will be northwest to southeast at 40 to 50 mph. Timing is as early as noon, most likely between 2pm and midnight, ending by 4 am Tuesday. There is an Enhanced risk for severe weather west of I-75, and a slight risk for the rest of southeast Michigan.
ALT This graphic displays Severe Thunderstorm watch number 493 plotted on a map. The watch is in effect until 8:00 PM EDT. The watch includes parts of Illinois, Indiana, Michigan and Ohio. The threats associated with this watch are no tornadoes expected, isolated hail up to ping pong size possible and scattered gusts up to 65 mph possible. There are 10,092,513 people in the watch along with 3682 schools and 188 hospitals.
ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 6:45 PM EDT. The warning includes Ann Arbor MI, Adrian MI and Ypsilanti MI. This warning is for Lenawee and Washtenaw Counties. The threats associated with this warning are wind gusts up to 70 MPH and quarter sized hail. There are 490,750 people in the warning along with 169 schools and 9 hospitals.
