Alert archive / Michigan / Red Flag Warnings in 2012
Red Flag Warning 1, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this red flag warning at May 11, 2012, 4:16 PM EDT for 8 counties in Michigan. It was in force for 5 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
- May 11, 2012, 4:16 PM EDT (20:16 UTC)
- Expired
- May 11, 2012, 8:48 PM EDT
- In force
- 5 hr
- Issued by
- NWS Grand Rapids, MI
Counties Clare County, MI, Isabella 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), 101 km from the middle of the area, began a volume at 20:14 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, 8.3 hours before the alert went out and 212 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
- 1970 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
797 WWUS83 KGRR 112016 RFWGRR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 416 PM EDT FRI MAY 11 2012 ...RED FLAG WARNING THIS AFTERNOON AND EVENING... .CONDITIONS WILL BE NEAR OR WILL EXCEED RED FLAG CRITERIA LATE THIS AFTERNOON AND EARLY EVENING. TEMPERATURES IN THE LOWER TO MIDDLE 70S...RELATIVE HUMIDITIES AROUND 25 PERCENT AND GUSTY SOUTHWEST WIND OF 15 TO 25 MPH WILL COMBINE TO CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. WINDS AND TEMPERATURES WILL DECREASE TOWARDS SUNSET. MIZ037>040-043>046-120200- /O.UPG.KGRR.FW.A.0001.000000T0000Z-120512T0200Z/ /O.NEW.KGRR.FW.W.0001.120511T2016Z-120512T0200Z/ MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA- 416 PM EDT FRI MAY 11 2012 ...RED FLAG WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 10 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...20 TO 30 PERCENT. * TEMPERATURES...LOWER TO MIDDLE 70S. * IMPACTS...BURN RESTRICTIONS MAY BE 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 IS ISSUED WHEN CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. 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. && $$ HTTP://WEATHER.GOV/GRR DUKE
1 follow-up statement
874 WWUS83 KGRR 120048 RFWGRR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 848 PM EDT FRI MAY 11 2012 MIZ037>040-043>046-120200- /O.CAN.KGRR.FW.W.0001.000000T0000Z-120512T0200Z/ MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA- 848 PM EDT FRI MAY 11 2012 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE RED FLAG WARNING. TEMPERATURES AND WINDS HAVE FALLEN BELOW RED FLAG CRITERIA. $$ HTTP://WEATHER.GOV/GRR
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 12:13 PM EDT | Fire Weather Watch | GRR | Clare, Isabella, Lake, Mason, Mecosta, Newaygo and 2 more | 4 hr |
| May 11, 4:10 PM EDT | Small Craft Advisory | GRR | 11 hr |
Nearby
Red Flag Warnings in Michigan, 2012Every red flag warning in 2012
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.