Alert archive / Arizona / Red Flag Warnings in 2011

Red Flag Warning 9, NWS Phoenix, AZ

June 16, 2011Gila County, Maricopa County, Pinal County, Arizona

NWS Phoenix, AZ issued this red flag warning at Jun 16, 2011, 4:02 AM MST for Gila County, Maricopa County, Pinal County, Arizona. It took effect at Jun 16, 2011, 11:00 AM MST. 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 16, 2011, 4:02 AM MST (11:02 UTC)
In effect from
Jun 16, 2011, 11:00 AM MST
Expired
Jun 16, 2011, 8:00 PM MST
In force
9 hr
Issued by
NWS Phoenix, AZ

Counties Gila County, AZ, Maricopa County, AZ, Pinal County, AZ

The radar

The Phoenix radar (KIWA), 13 km from the middle of the area, began a volume at 11:05 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

Phoenix, AZ (KPSR), launched 00:00Z, 11.0 hours before the alert went out and 40 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.

Skew-T log-pSkew-T log-p diagram, Phoenix, AZ at 00:00Z on 2011-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phoenix, AZ at 00:00Z on 2011-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 km3 km6 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4205 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

929 
WWUS85 KPSR 161102
RFWPSR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
402 AM MST THU JUN 16 2011

AZZ133-162300-
/O.NEW.KPSR.FW.W.0009.110616T1800Z-110617T0300Z/
/O.CON.KPSR.FW.A.0006.110617T1800Z-110618T0300Z/
ARIZONA FIRE WEATHER ZONE 133                                    
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
402 AM MST THU JUN 16 2011

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST
THIS EVENING FOR SOUTHERN GILA COUNTY AND THE TONTO NATIONAL FOREST
FOOTHILLS DUE TO STRONG GUSTY SOUTHWEST WINDS...LOW HUMIDITY LEVELS
AND VERY HIGH TO EXTREME FIRE DANGER...

...A FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY MORNING THROUGH
FRIDAY EVENING FOR SOUTHERN GILA COUNTY AND THE TONTO NATIONAL
FOREST FOOTHILLS...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS
EVENING.

* AFFECTED AREA...SOUTHERN GILA COUNTY AND THE TONTO NATIONAL FOREST
  FOOTHILLS IN NORTHEAST MARICOPA COUNTY.

* WIND...SOUTHWEST 15 TO 25 MPH...WITH GUSTS TO AROUND 35 MPH.

* HUMIDITY...BETWEEN 6 AND 11 PERCENT.

* IMPACTS...FUELS ARE VERY DRY AND FIRE DANGER IS VERY HIGH TO
  EXTREME. A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS
  WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER CONDITIONS.

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 HUMIDITY WILL CREATE EXTREME FIRE GROWTH
POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS.

PLEASE ADVISE APPROPRIATE OFFICIALS AND FIRE CREWS OF THIS RED FLAG
WARNING AND FIRE WEATHER WATCH.

&&

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

MEYERS
1 follow-up statement
659 
WWUS85 KPSR 162125
RFWPSR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
225 PM MST THU JUN 16 2011

AZZ133-171400-
/O.UPG.KPSR.FW.A.0006.110617T1800Z-110618T0300Z/
/O.NEW.KPSR.FW.W.0010.110617T1800Z-110618T0300Z/
/O.NEW.KPSR.FW.A.0007.110618T1800Z-110619T0300Z/
/O.CON.KPSR.FW.W.0009.000000T0000Z-110617T0300Z/
ARIZONA FIRE WEATHER ZONE 133                                    
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
225 PM MST THU JUN 16 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING
FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR SOUTHERN
GILA COUNTY AND THE TONTO NATIONAL FOREST FOOTHILLS... 

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY FOR
STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR
SOUTHERN GILA COUNTY AND THE TONTO NATIONAL FOREST
FOOTHILLS... 

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH
FIRE DANGER FOR SOUTHERN GILA COUNTY AND THE TONTO NATIONAL FOREST
FOOTHILLS...

THE NATIONAL WEATHER SERVICE IN PHOENIX CONTINUES THE RED FLAG
WARNING UNTIL 8 PM THIS EVENING. ALSO...A RED FLAG WARNING HAS BEEN
ISSUED WHICH IS IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY. THIS
REPLACES THE FIRE WEATHER WATCH WHICH WAS PREVIOUSLY IN EFFECT. ANOTHER
FIRE WEATHER WATCH HAS BEEN ISSUED AND IS IN EFFECT FROM SATURDAY
MORNING THROUGH SATURDAY EVENING.

* AFFECTED AREA...IN ARIZONA...SOUTHERN GILA COUNTY/TONTO 
  NATIONAL FOREST FOOTHILLS. 

* WIND...SOUTHWEST 15 TO 25 MPH...WITH GUSTS TO AROUND 35 MPH.

* HUMIDITY...BETWEEN 6 AND 11 PERCENT.

* IMPACTS...FUELS ARE VERY DRY AND FIRE DANGER IS VERY HIGH TO 
  EXTREME. A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG 
  WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER 
  CONDITIONS. 

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 HUMIDITY WILL CREATE EXTREME FIRE GROWTH
POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

PLEASE ADVISE APPROPRIATE OFFICIALS AND FIRE CREWS OF THIS RED
FLAG WARNING AND FIRE WEATHER WATCH.

&&

$$


NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 2:25 PM MSTFire Weather WatchPSRGila, Maricopa, Pinal25 hr
Jun 16, 2:25 PM MSTRed Flag WarningPSRGila, Maricopa, Pinal30 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.