Alert archive / Arizona / Red Flag Warnings in 2016

Red Flag Warning 2, NWS Phoenix, AZ

April 14, 2016Imperial County, Riverside County, California; 4 counties in Arizona

NWS Phoenix, AZ issued this red flag warning at Apr 14, 2016, 3:28 PM PDT for Imperial County, Riverside County, California; 4 counties in Arizona. It took effect at Apr 15, 2016, 12:00 PM PDT. It was in force for 8 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 14, 2016, 3:28 PM PDT (22:28 UTC)
In effect from
Apr 15, 2016, 12:00 PM PDT
Expired
Apr 15, 2016, 8:00 PM PDT
In force
8 hr
Issued by
NWS Phoenix, AZ

Counties La Paz County, AZ, Maricopa County, AZ, Pinal County, AZ, Yuma County, AZ, Imperial County, CA, Riverside County, CA

The radar

The Yuma radar (KYUX), 113 km from the middle of the area, began a volume at 22:32 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.

What was reported inside it

TimeReportWhereRemark
Apr 15, 3:05 PM PDTDUST STORM3 Ssw Sun Lakes, AZVSBY. 100 FT. IN LOCALIZED BLOWING DUST CHANNEL MP172 ON I-10 BETWEEN RIGGS RD. AND AZ HWY. 587
Apr 15, 4:58 PM PDTNON-TSTM WND GST 445 N Thousand Palms, CAMESONET STATION 5 N THOUSAND PALMS /E3393/

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Yuma Prvg Ground, AZ (K1Y7), launched 12:00Z, 10.5 hours before the alert went out and 99 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, Yuma Prvg Ground, AZ at 12:00Z on 2016-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Yuma Prvg Ground, AZ at 12:00Z on 2016-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 km3 km6 km9 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
2660 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

788 
WWUS85 KPSR 142228
RFWPSR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
328 PM MST THU APR 14 2016

AZZ131-132-151400-
/O.UPG.KPSR.FW.A.0002.160415T1900Z-160416T0300Z/
/O.NEW.KPSR.FW.W.0002.160415T1900Z-160416T0300Z/
ARIZONA FIRE WEATHER ZONE 131                                    
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
ARIZONA FIRE WEATHER ZONE 132                                    
SOUTH-CENTRAL AND SOUTHWEST DESERTS-
328 PM MST THU APR 14 2016

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MST FRIDAY FOR
STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE
DANGER FOR THE LOWER DESERTS OF SOUTHWESTERN AND SOUTH-CENTRAL
ARIZONA...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG
WARNING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY
HIGH FIRE DANGER...WHICH IS IN EFFECT FROM NOON TO 8 PM MST FRIDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT AND HAS BEEN REPLACED
WITH THIS RED FLAG WARNING.

* AFFECTED AREA...IN ARIZONA...YUMA/MARTINEZ LAKE AND 
  VICINITY/LOWER COLORADO RIVER VALLEY AZ AND SOUTH-CENTRAL AND 
  SOUTHWEST DESERTS.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH.

* TIMING...FRIDAY MIDDAY THROUGH EARLY EVENING.

* RELATIVE HUMIDITY...FALLING INTO THE 10 TO 15 PERCENT RANGE.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS DISCOURAGED.

* IMPACTS...FUELS ARE DRYING AND FIRE DANGER IS HIGH TO VERY HIGH
  ACROSS THE DISTRICTS. THESE CONDITIONS...COMBINED WITH LOW RELATIVE
  HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE
  WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

$$

CAZ231-151400-
/O.NEW.KPSR.FW.W.0002.160415T1900Z-160416T0300Z/
CALIFORNIA FIRE WEATHER ZONE 231                                 
LOWER COLORADO RIVER VALLEY CA-
328 PM PDT THU APR 14 2016

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT FRIDAY FOR
STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE
DANGER FOR THE LOWER COLORADO RIVER VALLEY...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG
WARNING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY
HIGH FIRE DANGER...WHICH IS IN EFFECT FROM NOON TO 8 PM PDT FRIDAY.

* AFFECTED AREA...IN CALIFORNIA...LOWER COLORADO RIVER VALLEY CA.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS 35 TO 40 MPH.

* TIMING...FRIDAY MIDDAY THROUGH EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT.

* IMPACTS...FUELS ARE DRYING AND AND FIRE DANGER IS HIGH TO VERY
  HIGH. THESE CONDITIONS...COMBINED WITH LOW RELATIVE HUMIDITY AND
  STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER
  CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX
3 follow-up statements
616 
WWUS85 KPSR 150410
RFWPSR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
910 PM MST THU APR 14 2016

AZZ131-132-CAZ231-151300-
/O.CON.KPSR.FW.W.0002.160415T1900Z-160416T0300Z/
ARIZONA FIRE WEATHER ZONE 131                                    
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
ARIZONA FIRE WEATHER ZONE 132                                    
SOUTH-CENTRAL AND SOUTHWEST DESERTS-
CALIFORNIA FIRE WEATHER ZONE 231                                 
LOWER COLORADO RIVER VALLEY CA-
910 PM MST THU APR 14 2016 /910 PM PDT THU APR 14 2016/

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON MST /NOON PDT/ TO
8 PM MST /8 PM PDT/ FRIDAY FOR STRONG WINDS...LOW RELATIVE
HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER FOR THE LOWER DESERTS
OF SOUTHWESTERN AND SOUTH-CENTRAL ARIZONA AS WELL AS THE LOWER
COLORADO RIVER VALLEY...

* AFFECTED AREA...IN ARIZONA...YUMA/MARTINEZ LAKE AND 
  VICINITY/LOWER COLORADO RIVER VALLEY AZ AND SOUTH-CENTRAL AND 
  SOUTHWEST DESERTS. IN CALIFORNIA...LOWER COLORADO RIVER VALLEY 
  CA.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...FRIDAY MIDDAY THROUGH EARLY EVENING.

* RELATIVE HUMIDITY...FALLING INTO A 10 TO 15 PERCENT RANGE.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS DISCOURAGED.

* IMPACTS...FUELS ARE DRYING AND FIRE DANGER IS HIGH TO VERY 
  HIGH ACROSS THE DISTRICTS. THESE CONDITIONS...COMBINED WITH 
  LOW RELATIVE HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD 
  HAZARDOUS FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX
478 
WWUS85 KPSR 151039
RFWPSR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
339 AM MST FRI APR 15 2016

AZZ131-CAZ231-151845-
/O.NEW.KPSR.FW.W.0003.160416T1900Z-160417T0300Z/
/O.CON.KPSR.FW.W.0002.160415T1900Z-160416T0300Z/
ARIZONA FIRE WEATHER ZONE 131                                    
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
CALIFORNIA FIRE WEATHER ZONE 231                                 
LOWER COLORADO RIVER VALLEY CA-
339 AM MST FRI APR 15 2016 /339 AM PDT FRI APR 15 2016/

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON MST /NOON PDT/
TODAY TO 8 PM MST /8 PM PDT/ THIS EVENING FOR STRONG WINDS...LOW
RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER FOR YUMA/MARTINEZ 
LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ AND LOWER COLORADO 
RIVER VALLEY CA.

...RED FLAG WARNING NOW IN EFFECT FROM NOON MST /NOON PDT/ TO 8 PM
MST /8 PM PDT/ SATURDAY FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND
HIGH TO VERY HIGH FIRE DANGER FOR YUMA/MARTINEZ LAKE AND
VICINITY/LOWER COLORADO RIVER VALLEY AZ AND LOWER COLORADO RIVER
VALLEY CA.

* AFFECTED AREA...IN ARIZONA...YUMA/MARTINEZ LAKE AND VICINITY/LOWER
  COLORADO RIVER VALLEY AZ. IN CALIFORNIA...LOWER COLORADO RIVER
  VALLEY CA.

* WINDS...NORTH 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...FRIDAY MIDDAY THROUGH EARLY EVENING. SATURDAY MIDDAY
  THROUGH EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS DISCOURAGED.

* IMPACTS...FUELS ARE DRYING AND FIRE DANGER IS HIGH TO VERY HIGH
  ACROSS THE DISTRICTS. THESE CONDITIONS...COMBINED WITH LOW RELATIVE
  HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE
  WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

$$

AZZ132-151845-
/O.CON.KPSR.FW.W.0002.160415T1900Z-160416T0300Z/
ARIZONA FIRE WEATHER ZONE 132                                    
SOUTH-CENTRAL AND SOUTHWEST DESERTS-
339 AM MST FRI APR 15 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MST
THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO
VERY HIGH FIRE DANGER FOR THE LOWER DESERTS OF SOUTHWESTERN AND
SOUTH-CENTRAL ARIZONA...

* AFFECTED AREA...IN ARIZONA...SOUTH-CENTRAL AND SOUTHWEST 
  DESERTS.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...FRIDAY MIDDAY THROUGH EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 11 PERCENT.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS DISCOURAGED.

* IMPACTS...FUELS ARE DRYING AND FIRE DANGER IS HIGH TO VERY 
  HIGH ACROSS THE DISTRICTS. THESE CONDITIONS...COMBINED WITH 
  LOW RELATIVE HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD 
  HAZARDOUS FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX
563 
WWUS85 KPSR 151814
RFWPSR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
1114 AM MST FRI APR 15 2016

AZZ131-CAZ231-160300-
/O.CON.KPSR.FW.W.0002.160415T1900Z-160416T0300Z/
/O.CON.KPSR.FW.W.0003.160416T1900Z-160417T0300Z/
ARIZONA FIRE WEATHER ZONE 131                                    
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
CALIFORNIA FIRE WEATHER ZONE 231                                 
LOWER COLORADO RIVER VALLEY CA-
1114 AM MST FRI APR 15 2016 /1114 AM PDT FRI APR 15 2016/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND VERY HIGH
FIRE DANGER FOR SOUTHWEST ARIZONA AND THE LOWER COLORADO RIVER
VALLEY...

...RED FLAG WARNING ALSO IN EFFECT SATURDAY NOON MST/ NOON PDT/ TO 8
PM MST/ 8 PM PDT/ FOR CONTINUED STRONG WINDS...LOW RELATIVE
HUMIDITIES AND VERY HIGH FIRE DANGER FOR SOUTHWEST ARIZONA AND THE
LOWER COLORADO RIVER VALLEY...

* AFFECTED AREA...IN ARIZONA...YUMA/MARTINEZ LAKE AND 
  VICINITY/LOWER COLORADO RIVER VALLEY AZ. IN CALIFORNIA...LOWER 
  COLORADO RIVER VALLEY CA.

* WINDS...NORTH 20 TO 30 MPH WITH GUSTS 40 TO 45 MPH.

* TIMING...NOW THROUGH THIS EARLY EVENING FRIDAY MIDDAY THROUGH
  EARLY EVENING. ALSO...SATURDAY MIDDAY THROUGH EARLY EVENING.

* RELATIVE HUMIDITY...FALLING INTO AN 8 TO 15 PERCENT RANGE.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS DISCOURAGED.

* IMPACTS...FUELS ARE DRYING AND FIRE DANGER IS VERY HIGH ACROSS THE
  DISTRICTS. THESE CONDITIONS...COMBINED WITH LOW RELATIVE HUMIDITY
  AND STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER
  CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

$$

AZZ132-160300-
/O.CON.KPSR.FW.W.0002.160415T1900Z-160416T0300Z/
ARIZONA FIRE WEATHER ZONE 132                                    
SOUTH-CENTRAL AND SOUTHWEST DESERTS-
1114 AM MST FRI APR 15 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING
FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE
DANGER FOR THE LOWER DESERTS OF SOUTH-CENTRAL AND SOUTHWEST ARIZONA.

* AFFECTED AREA...IN ARIZONA...SOUTH-CENTRAL AND SOUTHWEST 
  DESERTS.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...NOW THROUGH EARLY THIS EVENING.

* RELATIVE HUMIDITY...FALLING INTO THE 10 TO 15 PERCENT RANGE.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS DISCOURAGED.

* IMPACTS...FUELS ARE DRYING AND FIRE DANGER IS HIGH TO VERY 
  HIGH ACROSS THE DISTRICTS. THESE CONDITIONS...COMBINED WITH 
  LOW RELATIVE HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD 
  HAZARDOUS FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

$$

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
Apr 13, 5:22 PM PDTWind AdvisoryPSR53 hr

Nearby

Red Flag Warnings in Arizona, 2016Red Flag Warnings in California, 2016Every red flag warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.