Alert archive / Michigan / Red Flag Warnings in 2021
Red Flag Warning 3, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this red flag warning at Jun 17, 2021, 9:12 AM EDT for 23 counties in Michigan. It took effect at Jun 17, 2021, 11:00 AM EDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 17, 2021, 9:12 AM EDT (13:12 UTC)
- In effect from
- Jun 17, 2021, 11:00 AM EDT
- Expired
- Jun 17, 2021, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Grand Rapids, MI
All 23 counties
Allegan County, MI, Barry County, MI, Calhoun County, MI, Clare County, MI, Clinton County, MI, Eaton County, MI, Gratiot County, MI, Ingham County, MI, Ionia County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lake County, MI, Mason County, MI, Mecosta County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 27 km from the middle of the area, began a volume at 13:12 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 1.2 hours before the alert went out and 165 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2069 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
174 WWUS83 KGRR 171312 RFWGRR URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Rapids MI 912 AM EDT Thu Jun 17 2021 MIZ037>040-043-044-172115- /O.UPG.KGRR.FW.A.0003.210617T1500Z-210618T0000Z/ /O.NEW.KGRR.FW.W.0003.210617T1500Z-210618T0000Z/ Mason-Lake-Osceola-Clare-Oceana-Newaygo- 912 AM EDT Thu Jun 17 2021 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... The National Weather Service in Grand Rapids has issued a Red Flag Warning, which is in effect until 8 PM EDT this evening. The Fire Weather Watch is no longer in effect. * Winds...Southwest 10 to 15 mph with gusts up to 25 mph. * Relative Humidity...As low as 20 percent. * Temperatures...In the mid 80s. * Impacts...The potential exists for fires to grow out of control quickly this afternoon due to warm, dry and breezy conditions. Burn restrictions are likely in effect. for more information on burn restrictions...visit the Michigan DNR website at www.michigan.gov/burnpermit or call 866-922-2876. * Impacts...The potential exists for fires to grow out of control quickly this afternoon due to warm, dry and breezy conditions. Burn restrictions are likely in effect. for more information on burn restrictions...visit the Michigan DNR website at www.michigan.gov/burnpermit or call 866-922-2876. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. The combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Be careful with any activities that could potentially lead to a wildfire. Camping...outdoor grills...smoking materials...chain saws...and all terrain vehicles all have the potential to throw a spark and ignite a dangerous and destructive fire. && $$ MIZ045-046-050>052-056>059-064>067-071>074-172115- /O.NEW.KGRR.FW.W.0003.210617T1500Z-210618T0000Z/ Mecosta-Isabella-Muskegon-Montcalm-Gratiot-Ottawa-Kent-Ionia- Clinton-Allegan-Barry-Eaton-Ingham-Van Buren-Kalamazoo-Calhoun- Jackson- 912 AM EDT Thu Jun 17 2021 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... The National Weather Service in Grand Rapids has issued a Red Flag Warning, which is in effect until 8 PM EDT this evening. * Winds...Southwest 5 to 10 mph with gusts up to 25 mph. * Relative Humidity...As low as 16 percent. * Temperatures...In the upper 80s. * Impacts...The potential exists for fires to grow out of control quickly this afternoon due to warm, dry and breezy conditions. Burn restrictions are likely in effect. for more information on burn restrictions...visit the Michigan DNR website at www.michigan.gov/burnpermit or call 866-922-2876. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. The combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Be careful with any activities that could potentially lead to a wildfire. Camping...outdoor grills...smoking materials...chain saws...and all terrain vehicles all have the potential to throw a spark and ignite a dangerous and destructive fire. && $$
1 follow-up statement
252 WWUS83 KGRR 171932 RFWGRR URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Rapids MI 332 PM EDT Thu Jun 17 2021 MIZ037>040-043>046-050>052-056>059-064>067-071>074-180000- /O.CON.KGRR.FW.W.0003.000000T0000Z-210618T0000Z/ Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 332 PM EDT Thu Jun 17 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * Winds...Southwest 10 to 15 mph with gusts over 20 mph possible * Relative Humidity...As low as 17 percent. * Temperatures...In the upper 80s. * Impacts...The potential exists for fires to grow out of control quickly this afternoon due to warm, dry and breezy conditions. Burn restrictions are likely in effect. for more information on burn restrictions...visit the Michigan DNR website at www.michigan.gov/burnpermit or call 866-922-2876. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. The combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Be careful with any activities that could potentially lead to a wildfire. Camping...outdoor grills...smoking materials...chain saws...and all terrain vehicles all have the potential to throw a spark and ignite a dangerous and destructive fire. && $$
Nearby
Red Flag Warnings in Michigan, 2021Every red flag warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.