Alert archive / Michigan / Red Flag Warnings in 2011
Red Flag Warning 1, NWS Gaylord, MI
NWS Gaylord, MI issued this red flag warning at Jun 1, 2011, 2:49 PM EDT for 5 counties in Michigan. It took effect at Jun 1, 2011, 4:00 PM EDT. 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
- Jun 1, 2011, 2:49 PM EDT (18:49 UTC)
- In effect from
- Jun 1, 2011, 4:00 PM EDT
- Expired
- Jun 1, 2011, 9:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS Gaylord, MI
Counties Alcona County, MI, Arenac County, MI, Gladwin County, MI, Iosco County, MI, Ogemaw County, MI
The radar
The NCL Michigan radar (KAPX), 100 km from the middle of the area, began a volume at 18:54 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
Alpena, MI (KAPX), launched 12:00Z, 6.8 hours before the alert went out and 143 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
- 1165 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
308 WWUS83 KAPX 011849 RFWAPX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GAYLORD MI 249 PM EDT WED JUN 1 2011 ...CRITICAL FIRE WEATHER AROUND THE HURON NATIONAL FOREST... .STRONG LOW PRESSURE TO THE NORTH ALONG WITH HIGH PRESSURE WORKING TOWARD THE WESTERN GREAT LAKES...WILL CONTINUE TO RESULT IN A TIGHT PRESSURE GRADIENT AND RESULTING STRONG AND GUSTY WINDS. WARM TEMPERATURES AROUND THE HURON NATIONAL FOREST IS RESULTING IN CRITICAL HUMIDITIES THIS AFTERNOON. THERE WERE MORE ISOLATED LOCALES IN THE MANISTEE NATIONAL FOREST THAT WERE APPROACHING CRITICAL FIRE WEATHER. MIZ030-035-036-041-042-020100- /O.NEW.KAPX.FW.W.0001.110601T2000Z-110602T0100Z/ ALCONA-OGEMAW-IOSCO-GLADWIN-ARENAC- 249 PM EDT WED JUN 1 2011 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 9 PM EDT THIS EVENING. TEMPERATURES IN THE MIDDLE 70S...HUMIDITIES JUST BELOW 25 PERCENT AND WINDS AT 20 TO 30 MPH GUSTING 35 TO 40 MPH HAS RESULTED IN RED FLAG CONDITIONS THIS AFTERNOON. TEMPERATURES AND HUMIDITIES WILL FALL OUT OF CRITICAL LEVELS JUST PRIOR TO SUNDOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT 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. && $$ SMD
1 follow-up statement
052 WWUS83 KAPX 020120 RFWAPX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GAYLORD MI 920 PM EDT WED JUN 1 2011 MIZ030-035-036-041-042-020230- /O.EXP.KAPX.FW.W.0001.000000T0000Z-110602T0100Z/ ALCONA-OGEMAW-IOSCO-GLADWIN-ARENAC- 920 PM EDT WED JUN 1 2011 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. TEMPERATURES HAVE FALLEN INTO THE UPPER 60S...THE RELATIVE HUMIDITY HAS RISEN ABOVE 25 PERCENT...AND WINDS HAVE DROPPED BELOW 15 MPH. SO THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPRIRE. $$ JSL
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 9:27 PM EDT | Special Marine Warning | APX | 33 min |
Nearby
Red Flag Warnings in Michigan, 2011Every red flag warning in 2011
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.