Alert archive / Michigan / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this red flag warning at Jun 5, 2021, 10:36 AM EDT for 7 counties in Michigan. 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 5, 2021, 10:36 AM EDT (14:36 UTC)
- Expired
- Jun 5, 2021, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Grand Rapids, MI
Counties Clare County, MI, Lake County, MI, Mason County, MI, Mecosta County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI
The radar
The Grand Rapids radar (KGRR), 105 km from the middle of the area, began a volume at 14:41 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 2.6 hours before the alert went out and 205 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
- 1919 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
000 WWUS83 KGRR 051436 RFWGRR URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Rapids MI 1036 AM EDT Sat Jun 5 2021 MIZ050-051545- /O.CAN.KGRR.FW.A.0001.000000T0000Z-210607T0000Z/ Muskegon- 1036 AM EDT Sat Jun 5 2021 ...FIRE WEATHER WATCH IS CANCELLED... The National Weather Service in Grand Rapids has cancelled the Fire Weather Watch. Strong southwest winds off Lake Michigan will keep the relative humidity from falling to critical levels in Muskegon County today and Sunday. $$ MIZ037>040-043>045-052245- /O.UPG.KGRR.FW.A.0001.000000T0000Z-210607T0000Z/ /O.NEW.KGRR.FW.W.0001.210605T1436Z-210606T0000Z/ /O.NEW.KGRR.FW.A.0002.210606T0000Z-210607T0000Z/ Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta- 1036 AM EDT Sat Jun 5 2021 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH SUNDAY EVENING... The National Weather Service in Grand Rapids has issued a Red Flag Warning, which is in effect until 8 PM EDT this evening. A Fire Weather Watch is in effect from 8 PM EDT this evening through Sunday evening. * Winds...Southwest 10 to 20 mph with gusts up to 30 mph. * Relative Humidity...As low as 30 percent. * Temperatures...Highs near 90 inland from Lake Michigan. * Impacts...The potential exists today and Sunday for fires to grow out of control quickly due to the warm, dry and breezy conditions. Burn restrictions are likely in effect. For more information on burn restrictions, visit the michigan DNR website at www.michigan.gov/burnpermit or call 866-922-2876. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. The combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Be careful with any activities that could potentially lead to a wildfire. Camping...outdoor grills...smoking materials...chain saws...and all terrain vehicles all have the potential to throw a spark and ignite a dangerous and destructive fire. && $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 10:36 AM EDT | Fire Weather Watch | GRR | Clare, Lake, Mason, Mecosta, Newaygo, Oceana and 1 more | 33 hr |
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.