Alert archive / Arizona / Red Flag Warnings in 2011
Red Flag Warning 18, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this red flag warning at Jun 4, 2011, 4:07 AM MST for Coconino County, Navajo County, Arizona. It took effect at Jun 4, 2011, 11:00 AM MST. It was in force for 8 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 4, 2011, 4:07 AM MST (11:07 UTC)
- In effect from
- Jun 4, 2011, 11:00 AM MST
- Expired
- Jun 4, 2011, 7:00 PM MST
- In force
- 8 hr
- Issued by
- NWS Flagstaff, AZ
Counties Coconino County, AZ, Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 117 km from the middle of the area, began a volume at 11:10 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
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 11.1 hours before the alert went out and 81 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
- 4592 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
798 WWUS85 KFGZ 041107 RFWFGZ URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE FLAGSTAFF AZ 407 AM MST SAT JUN 4 2011 AZZ106-107-115-116-050200- /O.NEW.KFGZ.FW.W.0018.110604T1800Z-110605T0200Z/ /O.NEW.KFGZ.FW.A.0017.110606T1600Z-110607T0300Z/ GRAND CANYON COUNTRY (FIRE WEATHER ZONE 106)- COCONINO PLATEAU (FIRE WEATHER ZONE 107)- WESTERN MOGOLLON RIM (FIRE WEATHER ZONE 115)- EASTERN MOGOLLON RIM (FIRE WEATHER ZONE 116)- 407 AM MST SAT JUN 4 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST THIS EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITIES. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING. * AFFECTED AREA: MOGOLLON RIM...COCONINO PLATEAU...GRAND CANYON COUNTRY. * TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED LATE THIS MORNING THROUGH EARLY EVENING. SLIGHTLY LESS WIND IS FORECAST FOR SUNDAY...THEN STRONGER WINDS WILL RETURN ON MONDAY. * 20-FOOT WINDS: 20 TO 25 MPH WITH GUSTS TO 35 MPH TODAY. 20 TO 30 MPH WITH GUSTS NEAR 40 MPH MONDAY. * RELATIVE HUMIDITIES: AFTERNOON MINIMUM HUMIDITIES 6 TO 12 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. PLEASE NOTIFY FIELD CREWS OF THIS RED FLAG WARNING. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. PLEASE NOTIFY FIELD CREWS OF THIS FIRE WEATHER WATCH. && $$ AZZ104-105-108-109-112-113-138>140-050200- /O.NEW.KFGZ.FW.A.0017.110606T1600Z-110607T0300Z/ KAIBAB PLATEAU (FIRE WEATHER ZONE 104)- MARBLE AND GLEN CANYONS (FIRE WEATHER ZONE 105)- YAVAPAI COUNTY MOUNTAINS (FIRE WEATHER ZONE 108)- NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD (FIRE WEATHER ZONE 109)- LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY (FIRE WEATHER ZONE 112)- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY (FIRE WEATHER ZONE 113)-OAK CREEK AND SYCAMORE CANYONS (FIRE WEATHER ZONE 138)- BLACK MESA AREA (FIRE WEATHER ZONE 139)- NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264 (FIRE WEATHER ZONE 140)- 407 AM MST SAT JUN 4 2011 ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITIES. * AFFECTED AREA: KAIBAB PLATEAU...MARBLE AND GLEN CANYONS... YAVAPAI COUNTY MOUNTAINS...NORTHEAST PLATEAUS AND MESAS...LITTLE COLORADO RIVER VALLEY IN COCONINO AND NAVAJO COUNTIES...OAK CREEK AND SYCAMORE CANYONS...BLACK MESA. * TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE FROM MONDAY MORNING THROUGH MONDAY EVENING AS A TROUGH PASSES THROUGH THE GREAT BASIN. * 20-FOOT WINDS: 20 TO 30 MPH WITH GUSTS NEAR 40 MPH. * RELATIVE HUMIDITIES: AFTERNOON MINIMUM HUMIDITIES 6 TO 12 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. PLEASE NOTIFY FIELD CREWS OF THIS FIRE WEATHER WATCH. && $$ HTTP://WEATHER.GOV/FLAGSTAFF
2 follow-up statements
921 WWUS85 KFGZ 041844 RFWFGZ URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1144 AM MST SAT JUN 4 2011 AZZ106-107-115-116-050645- /O.CON.KFGZ.FW.W.0018.000000T0000Z-110605T0200Z/ /O.CON.KFGZ.FW.A.0017.110606T1600Z-110607T0300Z/ GRAND CANYON COUNTRY (FIRE WEATHER ZONE 106)- COCONINO PLATEAU (FIRE WEATHER ZONE 107)- WESTERN MOGOLLON RIM (FIRE WEATHER ZONE 115)- EASTERN MOGOLLON RIM (FIRE WEATHER ZONE 116)- 1144 AM MST SAT JUN 4 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... * AFFECTED AREA: * TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THROUGH EARLY EVENING. SLIGHTLY LESS WIND IS FORECAST FOR SUNDAY...THEN STRONGER WINDS WILL RETURN ON MONDAY. * 20-FOOT WINDS: 20 TO 25 MPH WITH GUSTS TO 35 MPH TODAY. 20 TO 30 MPH WITH GUSTS NEAR 40 MPH MONDAY. * RELATIVE HUMIDITIES: AFTERNOON MINIMUM HUMIDITIES 6 TO 12 PERCENT. * STATUS: ONLY A SINGLE OBSERVATION ON THE EASTERN MOGOLLON RIM HAS YET EXCEEDED RED FLAG WARNING CRITERIA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. PLEASE NOTIFY FIELD CREWS OF THIS RED FLAG WARNING. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. PLEASE NOTIFY FIELD CREWS OF THIS FIRE WEATHER WATCH. && $$ AZZ104-105-108-109-112-113-138>140-050645- /O.CON.KFGZ.FW.A.0017.110606T1600Z-110607T0300Z/ KAIBAB PLATEAU (FIRE WEATHER ZONE 104)- MARBLE AND GLEN CANYONS (FIRE WEATHER ZONE 105)- YAVAPAI COUNTY MOUNTAINS (FIRE WEATHER ZONE 108)- NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD (FIRE WEATHER ZONE 109)- LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY (FIRE WEATHER ZONE 112)- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY (FIRE WEATHER ZONE 113)-OAK CREEK AND SYCAMORE CANYONS (FIRE WEATHER ZONE 138)- BLACK MESA AREA (FIRE WEATHER ZONE 139)- NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264 (FIRE WEATHER ZONE 140)- 1144 AM MST SAT JUN 4 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... * AFFECTED AREA: * TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE FROM MONDAY MORNING THROUGH MONDAY EVENING AS A TROUGH PASSES THROUGH THE GREAT BASIN. * 20-FOOT WINDS: 20 TO 30 MPH WITH GUSTS NEAR 40 MPH. * RELATIVE HUMIDITIES: AFTERNOON MINIMUM HUMIDITIES 6 TO 12 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. PLEASE NOTIFY FIELD CREWS OF THIS FIRE WEATHER WATCH. && $$ HOWARD HTTP://WEATHER.GOV/FLAGSTAFF
567 WWUS85 KFGZ 050204 RFWFGZ URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE FLAGSTAFF AZ 704 PM MST SAT JUN 4 2011 AZZ106-107-115-116-051415- /O.EXP.KFGZ.FW.W.0018.000000T0000Z-110605T0200Z/ /O.CON.KFGZ.FW.A.0017.110606T1600Z-110607T0300Z/ GRAND CANYON COUNTRY (FIRE WEATHER ZONE 106)- COCONINO PLATEAU (FIRE WEATHER ZONE 107)- WESTERN MOGOLLON RIM (FIRE WEATHER ZONE 115)- EASTERN MOGOLLON RIM (FIRE WEATHER ZONE 116)- 704 PM MST SAT JUN 4 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... ...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... THE RED FLAG WARNING IS NO LONGER IN EFFECT. * TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE AGAIN ON MONDAY AS STRONGER WINDS RETURN TO THE AREA. * 20-FOOT WINDS: 20 TO 30 MPH WITH GUSTS NEAR 40 MPH ON MONDAY. * RELATIVE HUMIDITIES: AFTERNOON MINIMUM RELATIVE HUMIDITIES OF 10 TO 15 PERCENT ON MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. PLEASE NOTIFY FIELD CREWS OF THIS FIRE WEATHER WATCH. && $$ AZZ104-105-108-109-112-113-138>140-051415- /O.CON.KFGZ.FW.A.0017.110606T1600Z-110607T0300Z/ KAIBAB PLATEAU (FIRE WEATHER ZONE 104)- MARBLE AND GLEN CANYONS (FIRE WEATHER ZONE 105)- YAVAPAI COUNTY MOUNTAINS (FIRE WEATHER ZONE 108)- NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD (FIRE WEATHER ZONE 109)- LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY (FIRE WEATHER ZONE 112)- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY (FIRE WEATHER ZONE 113)-OAK CREEK AND SYCAMORE CANYONS (FIRE WEATHER ZONE 138)- BLACK MESA AREA (FIRE WEATHER ZONE 139)- NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264 (FIRE WEATHER ZONE 140)- 704 PM MST SAT JUN 4 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... * TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE FROM MONDAY MORNING THROUGH MONDAY EVENING AS A TROUGH PASSES THROUGH THE GREAT BASIN. * 20-FOOT WINDS: 20 TO 30 MPH WITH GUSTS NEAR 40 MPH. * RELATIVE HUMIDITIES: AFTERNOON MINIMUM RELATIVE HUMIDITIES RANGING FROM 6 TO 12 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. PLEASE NOTIFY FIELD CREWS OF THIS FIRE WEATHER WATCH. && $$ HTTP://WEATHER.GOV/FLAGSTAFF
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Flagstaff, AZ wrote its last area forecast discussion before this red flag warning went out at Jun 4, 4:07 AM MST, 0 minutes earlier.
Area forecast discussion, Jun 4, 4:07 AM MST, 0 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 407 AM MST SAT JUN 4 2011 CORRECTED WATCH/WARNING/ADVISORY SECTION .SYNOPSIS...SOUTHWESTERLY FLOW ALOFT WILL BRING NEAR NORMAL TEMPERATURES AND BREEZY SOUTHWESTERLY WINDS TO NORTHERN ARIZONA THROUGH AT LEAST TUESDAY. ENOUGH MOISTURE MAY MOVE NORTHWARD INTO EASTERN ARIZONA FOR ISOLATED THUNDERSTORMS ON SUNDAY AND MONDAY. && .DISCUSSION...LOW PRESSURE TO OUR WEST AND HIGH PRESSURE TO OUR EAST WILL SET UP SOUTH-SOUTHWESTERLY FLOW ACROSS NORTHERN ARIZONA THROUGH THE WEEKEND...WITH BREEZY SURFACE WINDS CONTINUING. SEASONABLY WARM CONDITIONS ARE EXPECTED IN THIS FLOW PATTERN. ENOUGH SUBTROPICAL MOISTURE MAY SNEAK INTO EASTERN ARIZONA EARLY NEXT WEEK FOR A FEW HIGH-BASED AND SOMEWHAT DRY DAYTIME THUNDERSTORMS TO DEVELOP...MAINLY FOR APACHE COUNTY. FOR TUESDAY THROUGH THURSDAY...THE WESTERN UNITED STATES WILL REMAIN UNDER A STUBBORNLY PERSISTENT BROAD TROUGH. DAYTIME TEMPS WILL BE A FEW DEGREES COOLER...BUT THE DRY CONDITIONS AND BREEZY SOUTHWEST WINDS WILL PERSIST. && .AVIATION...FOR THE 12Z PACKAGE...VFR CONDITIONS WILL CONTINUE OVER THE NEXT 24 HOURS UNDER SKC-SCT CIRRUS. 16Z SAT TIL 02Z SUN...SOUTH SOUTHWEST WINDS 15-25KT WITH AFTERNOON GUSTS NEAR 30 KT. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS. && .FIRE WEATHER...SOUTHWEST FLOW ALOFT WILL PERSIST OVER NORTHERN ARIZONA THIS WEEKEND. BREEZY SOUTHWEST AFTERNOON WINDS WILL CONTINUE WITH A PORTION OF THE MOGOLLON RIM AND WESTERN COCONINO COUNTY EXPECTED TO EXPERIENCE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND A RED FLAG WARNING HAS BEEN ISSUED. ON SUNDAY...MID LEVEL MOISTURE AND INSTABILITY SHOULD MOVE INTO EASTERN ARIZONA...BRINGING A CHANCE FOR HIGH BASED AND DRY THUNDERSTORMS WITH GUSTY WINDS TO AREAS EAST OF A LINE FROM KAYENTA THROUGH YOUNG. AFTERNOON HAINES VALUES WILL BE 5 OR 6 THROUGH SUNDAY...HIGHEST ACROSS APACHE AND NAVAJO COUNTIES. MONDAY THROUGH WEDNESDAY...ON MONDAY...AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE GREAT BASIN MAY PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS THE NORTHLAND. A FIRE WEATHER WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL AND NORTHERN ARIZONA. THE MID LEVEL MOISTURE PLUME OVER APACHE COUNTY IS FORECAST TO MOVE EAST THROUGH THE DAY WITH A DECREASING THREAT OF THUNDERSTORMS. EXPECT DRY... WARM AND BREEZY WEATHER TUESDAY AND WEDNESDAY. && .FGZ WATCHES/WARNINGS/ADVISORIES... RED FLAG WARNING 11 AM TO 7 PM MST TODAY FOR FIRE WEATHER ZONES AZZ106-107-115-116. FIRE WEATHER WATCH MONDAY MORNING THROUGH MONDAY EVENING AZZ104>109-112-113-115-116-138>140. && PUBLIC.....................KD AVIATION/FIRE WX...........JJ FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT WEATHER.GOV/FLAGSTAFF.
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 4:07 AM MST | Fire Weather Watch | FGZ | Apache, Coconino, Navajo, Yavapai | 35 hr |
Nearby
Red Flag Warnings in Arizona, 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.