Alert archive / Michigan / Red Flag Warnings in 2007
Red Flag Warning 1, NWS Gaylord, MI
NWS Gaylord, MI issued this red flag warning at Apr 21, 2007, 3:45 PM EDT for 22 counties in Michigan. It took effect at Apr 22, 2007, 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
- Apr 21, 2007, 3:45 PM EDT (19:45 UTC)
- In effect from
- Apr 22, 2007, 11:00 AM EDT
- Expired
- Apr 22, 2007, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Gaylord, MI
All 22 counties
Alcona County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Benzie County, MI, Cheboygan County, MI, Crawford County, MI, Emmet County, MI, Gladwin County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Leelanau County, MI, Manistee County, MI, Missaukee County, MI, Montmorency County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Presque Isle County, MI, Roscommon County, MI, Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 21 km from the middle of the area, began a volume at 19:45 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, 7.8 hours before the alert went out and 184 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
- 2290 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS83 KAPX 211945 RFWAPX RED FLAG WARNING NATIONAL WEATHER SERVICE GAYLORD MI 345 PM EDT SAT APR 21 2007 ...FIRE WEATHER WATCH FOR SUNDAY FOR GUSTY WINDS AND LOW HUMIDITIES... .DRY WEATHER WILL CONTINUE THROUGH SUNDAY. AS THE HIGH PRESSURE AREA MOVES EAST...AWAY FROM THE REGION TONIGHT AND SUNDAY...THE SOUTHERLY WINDS WILL INCREASE. THIS WILL BRING WARM...DRY AIR NORTHWARD INTO THE REGION. HIGH TEMPERATURES ARE EXPECTED TO RANGE FROM THE MID 70S TO THE LOWER 80S...WITH MINIMUM RELATIVE HUMIDITIES OF 20 TO 25 PERCENT...AND SOUTH WINDS OF 15 TO 20 MPH GUSTING TO 25 MPH. RAIN IS LIKELY LATE SUNDAY NIGHT INTO MONDAY MORNING...WHICH WILL SHARPLY REDUCE THE WILDFIRE THREAT. MIZ016>036-041-042-221045- /O.UPG.KAPX.FW.A.0001.070422T1600Z-070423T0100Z/ /O.NEW.KAPX.FW.W.0001.070422T1500Z-070423T0000Z/ EMMET-CHEBOYGAN-PRESQUE ISLE-CHARLEVOIX-LEELANAU-ANTRIM-OTSEGO- MONTMORENCY-ALPENA-BENZIE-GRAND TRAVERSE-KALKASKA-CRAWFORD-OSCODA- ALCONA-MANISTEE-WEXFORD-MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-GLADWIN- ARENAC- INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY... CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA... FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO... HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE... WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH 345 PM EDT SAT APR 21 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY... THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. ON SUNDAY AFTERNOON...TEMPERATURES ARE EXPECTED TO RANGE FROM THE MID 70S TO THE LOWER 80S. MINIMUM RELATIVE HUMIDITIES WILL LOWER TO 20 TO 25 PERCENT...WITH SOUTH WINDS OF 15 TO 20 MPH GUSTING TO 25 MPH. 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. $$
2 follow-up statements
000 WWUS83 KAPX 220855 RFWAPX RED FLAG WARNING NATIONAL WEATHER SERVICE GAYLORD MI 455 AM EDT SUN APR 22 2007 ...RED FLAG WARNING THIS AFTERNOON AND EARLY THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES FOR INTERIOR NORTHERN LOWER MICHIGAN... .A VERY DRY AIR MASS FOR ONE MORE DAY TODAY...WILL RESULT IN MOSTLY SUNNY SKIES AND ANOTHER WARM DAY. LOW PRESSURE MOVING INTO WISCONSIN AND IOWA WILL TIGHTEN UP THE PRESSURE GRADIENT ACROSS NORTHERN LOWER MICHIGAN...RESULTING IN STRONGER AND GUSTY WINDS FROM THE SOUTHWEST THIS AFTERNOON. THE COMBINATION OF WARM TEMPERATURES...LOW HUMIDITIES AND GUSTY WINDS WILL RESULT IN RED FLAG CONDITIONS FOR MOST OF INTERIOR NORTHERN LOWER MICHIGAN. A COLD FRONT WILL MOVE THROUGH MONDAY MORNING. RAIN SHOWERS WILL OCCUR AHEAD OF THIS FRONT...FOLLOWED BY A WIND SHIFT TO THE WEST...AND MORE MOIST CONDITIONS WHICH WILL SHARPLY REDUCE THE WILDFIRE THREAT. MIZ016>036-041-042-230000- /O.CON.KAPX.FW.W.0001.070422T1500Z-070423T0000Z/ EMMET-CHEBOYGAN-PRESQUE ISLE-CHARLEVOIX-LEELANAU-ANTRIM-OTSEGO- MONTMORENCY-ALPENA-BENZIE-GRAND TRAVERSE-KALKASKA-CRAWFORD-OSCODA- ALCONA-MANISTEE-WEXFORD-MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-GLADWIN- ARENAC- INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY... CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA... FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO... HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE... WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH 455 AM EDT SUN APR 22 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING. THIS AFTERNOON...TEMPERATURES WILL RISE INTO THE MIDDLE 70S TO LOWER 80S AWAY FROM THE LAKE SHORES. MINIMUM RELATIVE HUMIDITIES WILL LOWER TO 20 TO 25 PERCENT...WITH SOUTH WINDS AROUND 15 MPH GUSTING TO 25 MPH...RESULTING IN RED FLAG CONDITIONS. RAIN WILL FALL LATE TONIGHT AND TOMORROW MORNING. A COLD FRONT WILL BRING A WIND SHIFT TO THE WEST AND MORE MOIST CONDITIONS BY LATE MONDAY AFTERNOON. 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
000 WWUS83 KAPX 222001 RFWAPX RED FLAG WARNING NATIONAL WEATHER SERVICE GAYLORD MI 401 PM EDT SUN APR 22 2007 ...RED FLAG WARNING EARLY THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES FOR INTERIOR NORTHERN LOWER MICHIGAN... .THE HIGH PRESSURE IS MOVING TO THE EAST AND HAS PUMPED WARM AIR INTO THE REGION. COUPLING WITH THE ALREADY DRY AIR MASS HAS LEAD TO LOW RELATIVE HUMIDITY. ALSO...AN AREA OF LOW PRESSURE TO THE WEST...THAT IS MOVING TOWARD THE WESTERN GREAT LAKES IS PRODUCING GUSTY WINDS. THE COMBINATION OF WARM TEMPERATURES...LOW HUMIDITIES AND GUSTY WINDS WILL RESULT IN RED FLAG CONDITIONS FOR MOST OF INTERIOR LOWER MICHIGAN. A COLD FRONT WILL MOVE THROUGH MONDAY MORNING. RAIN SHOWERS WILL OCCUR AHEAD OF THIS FRONT AROUND DAY BREAK...FOLLOWED BY A WIND SHIFT TO THE WEST...AND MORE MOIST CONDITIONS WHICH WILL SHARPLY REDUCE THE WILDFIRE THREAT. MIZ016>036-041-042-230000- /O.CON.KAPX.FW.W.0001.000000T0000Z-070423T0000Z/ EMMET-CHEBOYGAN-PRESQUE ISLE-CHARLEVOIX-LEELANAU-ANTRIM-OTSEGO- MONTMORENCY-ALPENA-BENZIE-GRAND TRAVERSE-KALKASKA-CRAWFORD-OSCODA- ALCONA-MANISTEE-WEXFORD-MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-GLADWIN- ARENAC- INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY... CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA... FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO... HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE... WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH 401 PM EDT SUN APR 22 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. THIS AFTERNOON TEMPERATURES ARE RANGING FROM THE LOWER TO MIDDLE 80S...THE RELATIVE HUMIDITY IS GENERALLY BETWEEN 20 AND 25 PERCENT...AND THE WINDS ARE FREQUENTLY GUSTING TO 25 MPH. THIS EVENING...TEMPERATURES WILL BEGIN TO FALL BELOW THE MIDDLE 70S...ALLOWING THE MINIMUM RELATIVE HUMIDITIES WILL RISE ABOVE 25 PERCENT. THE WINDS WILL ALSO BEGIN TO DIMINISH THIS EVENING TO AROUND 10 MPH. RAIN WILL FALL MONDAY MORNING. A COLD FRONT WILL BRING A WIND SHIFT TO THE WEST AND MORE MOIST CONDITIONS BY LATE MONDAY AFTERNOON. 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. $$
Nearby
Red Flag Warnings in Michigan, 2007Every red flag warning in 2007
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.