Alert archive / Arizona / Red Flag Warnings in 2016

Red Flag Warning 7, NWS Tucson, AZ

March 28, 20164 counties in Arizona

NWS Tucson, AZ issued this red flag warning at Mar 28, 2016, 2:56 PM MST for 4 counties in Arizona. It took effect at Mar 29, 2016, 12:00 PM MST. It was in force for 6 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
Mar 28, 2016, 2:56 PM MST (21:56 UTC)
In effect from
Mar 29, 2016, 12:00 PM MST
Expired
Mar 29, 2016, 6:00 PM MST
In force
6 hr
Issued by
NWS Tucson, AZ

Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pinal County, AZ

The radar

The Tucson radar (KEMX), 108 km from the middle of the area, began a volume at 21:57 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

Tuscon, AZ (KDMA), launched 12:00Z, 9.9 hours before the alert went out and 101 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, Tuscon, AZ at 12:00Z on 2016-03-28Temperature 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, Tuscon, AZ at 12:00Z on 2016-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
2144 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

399 
WWUS85 KTWC 282156
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
256 PM MST MON MAR 28 2016

AZZ152-291200-
/O.UPG.KTWC.FW.A.0005.160329T1900Z-160330T0100Z/
/O.NEW.KTWC.FW.W.0007.160329T1900Z-160330T0100Z/
/O.CON.KTWC.FW.W.0006.000000T0000Z-160329T0100Z/
ARIZONA FIRE WEATHER ZONE 152
SOUTHERN GRAHAM COUNTY-CENTRAL AND EASTERN COCHISE COUNTY-
SOUTHERN GREENLEE COUNTY-
LOWER ELEVATIONS OF THE SAN CARLOS APACHE NATION 
IN GRAHAM COUNTY-CORONADO NF-SAFFORD BLM-TDC-
256 PM MST MON MAR 28 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING
FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR
THE SOUTHERN HALF OF FIRE WEATHER ZONE 152...
...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM MST TUESDAY FOR
STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE
SOUTHEAST PORTION OF FIRE WEATHER ZONE 152...

* AFFECTED AREA...THE SOUTHERN PORTION OF FIRE WEATHER ZONE 152 
  TODAY...AND THE SOUTHEASTERN PORTION OF ZONE 152 ON TUESDAY. 

* TIMING...12 PM THROUGH 6 PM THIS AFTERNOON AND TUESDAY 
  AFTERNOON.

* WINDS...SOUTHWEST WINDS THIS AFTERNOON WILL EASE AROUND AND SHORTLY
  AFTER SUNSET BUT REMAIN SOMEWHAT GUSTY THROUGH THE NIGHT. SLIGHTLY
  STRONGER WIND SPEEDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH ARE
  EXPECTED TUESDAY AFTERNOON.

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY LEVELS WILL
  DROP INTO THE 13 TO 18 PCT RANGE DURING THE AFTERNOON
  HOURS...BARELY WITHIN THE RANGE OF CRITERIA. 

* IMPACTS...ANY FIRES THAT DEVELOP OR ARE ONGOING WILL HAVE THE 
  POTENTIAL TO SPREAD RAPIDLY...ESPECIALLY IN AREAS WITH A 
  HEAVY DEAD GRASS LOAD.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB.

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 VERY DRY VEGETATION
WILL CREATE THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH.

&&

$$

AZZ150-151-290100-
/O.CON.KTWC.FW.W.0006.000000T0000Z-160329T0100Z/
ARIZONA FIRE WEATHER ZONE 150
WESTERN PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TDC-ARIZONA FIRE WEATHER ZONE 151
EASTERN PIMA COUNTY-SOUTHEASTERN PINAL COUNTY-
SANTA CRUZ COUNTY-WESTERN COCHISE COUNTY-
CORONADO NF-TDC-
256 PM MST MON MAR 28 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING
FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR
THE SOUTHERN HALF OF FIRE WEATHER ZONES 150 AND 151...

* AFFECTED AREA...AREAS SOUTH OF PINAL COUNTY IN FIRE WEATHER 
  ZONES 150 AND 151 INCLUDING PORTIONS OF THE TOHONO O'ODHAM 
  NATION. 

* TIMING...THROUGH 6 PM THIS EVENING.

* WINDS...SOUTHWESTERLY AROUND 20 TO 25 MPH WITH GUSTS TO 40 MPH
  DURING THE AFTERNOON. WINDS EASING AFTER 6 PM THIS EVENING BUT
  REMAINING SOMEWHAT GUSTY THROUGH THE NIGHT. 

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY WILL BOTTOM
  OUT IN THE 13 TO 18 PCT RANGE THROUGH 5 PM BEFORE RISING AGAIN THIS
  EVENING. 

* IMPACTS...ANY FIRES THAT DEVELOP OR ARE ONGOING WILL HAVE THE 
  POTENTIAL TO SPREAD RAPIDLY.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB.

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 VERY DRY VEGETATION
WILL CREATE THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST ARIZONA.

&&

$$


VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
3 follow-up statements
306 
WWUS85 KTWC 290102
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
602 PM MST MON MAR 28 2016


AZZ152-290915-
/O.EXP.KTWC.FW.W.0006.000000T0000Z-160329T0100Z/
/O.CON.KTWC.FW.W.0007.160329T1900Z-160330T0100Z/
ARIZONA FIRE WEATHER ZONE 152
SOUTHERN GRAHAM COUNTY-CENTRAL AND EASTERN COCHISE COUNTY-
SOUTHERN GREENLEE COUNTY-
LOWER ELEVATIONS OF THE SAN CARLOS APACHE NATION 
IN GRAHAM COUNTY-CORONADO NF-SAFFORD BLM-TDC-
602 PM MST MON MAR 28 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 6 PM MST
TUESDAY FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE
DANGER FOR THE SOUTHERN HALF OF FIRE WEATHER ZONE 152......RED
FLAG WARNING IN EFFECT FROM NOON TO 6 PM MST TUESDAY FOR STRONG
WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE
SOUTHEAST PORTION OF FIRE WEATHER ZONE 152...


* TIMING...12 PM THROUGH 6 PM TUESDAY AFTERNOON.

* WINDS...SOUTHWEST WINDS  OF 20 TO 30 MPH WITH GUSTS TO 45 MPH
  ARE EXPECTED TUESDAY AFTERNOON.

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY LEVELS
  WILL DROP INTO THE 13 TO 18 PCT RANGE DURING THE AFTERNOON 
  HOURS...BARELY WITHIN THE RANGE OF CRITERIA.

* IMPACTS...ANY FIRES THAT DEVELOP OR ARE ONGOING WILL HAVE THE 
  POTENTIAL TO SPREAD RAPIDLY...ESPECIALLY IN AREAS WITH A 
  HEAVY DEAD GRASS LOAD.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB.

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 VERY DRY VEGETATION
WILL CREATE THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH.

&&



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 THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST ARIZONA.

&&

$$

AZZ150-151-290215-
/O.EXP.KTWC.FW.W.0006.000000T0000Z-160329T0100Z/
ARIZONA FIRE WEATHER ZONE 150
WESTERN PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TDC-ARIZONA FIRE WEATHER ZONE 151
EASTERN PIMA COUNTY-SOUTHEASTERN PINAL COUNTY-
SANTA CRUZ COUNTY-WESTERN COCHISE COUNTY-
CORONADO NF-TDC-
602 PM MST MON MAR 28 2016

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS...LOW RELATIVE
HUMIDITY AND HIGH FIRE DANGER FOR THE SOUTHERN HALF OF FIRE
WEATHER ZONES 150 AND 151...

WIND SPEEDS ACROSS THE AREA WILL CONTINUE TO DIMINISH THIS
EVENING AND RELATIVE HUMIDITY VALUES WILL RECOVER AS TEMPERATURES
LOWER. THUS...THE RED FLAG WARNING WAS ALLOWED TO EXPIRE ON TIME
AT 6 PM MST.

$$


VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
827 
WWUS85 KTWC 290947
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
247 AM MST TUE MAR 29 2016

AZZ152-300100-
/O.CON.KTWC.FW.W.0007.160329T1900Z-160330T0100Z/
ARIZONA FIRE WEATHER ZONE 152
SOUTHERN GRAHAM COUNTY-CENTRAL AND EASTERN COCHISE COUNTY-
SOUTHERN GREENLEE COUNTY-
LOWER ELEVATIONS OF THE SAN CARLOS APACHE NATION 
IN GRAHAM COUNTY-CORONADO NF-SAFFORD BLM-TDC-
247 AM MST TUE MAR 29 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY UNTIL 6 PM MST THIS
EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE
DANGER FOR THE SOUTHEAST PORTION OF FIRE WEATHER ZONE 152
INCLUDING EASTERN COCHISE...SOUTHEAST GRAHAM AND SOUTHERN GREENLEE
COUNTIES...

* AFFECTED AREA...SOUTHEAST PORTION OF FIRE WEATHER ZONE 152
  INCLUDING EASTERN COCHISE...SOUTHEAST GRAHAM AND SOUTHERN
  GREENLEE COUNTIES.

* TIMING...THE RED FLAG WARNING IS IN EFFECT FROM NOON TODAY
  THROUGH 6 PM THIS EVENING. WINDS WILL PICK UP ABOVE CRITICAL
  THRESHOLDS LATE IN THE MORNING...THEN DECREASE IN THE EARLY
  EVENING. CRITICAL MINIMUM HUMIDITIES BELOW 20 PERCENT WILL BE
  PRESENT DURING THE AFTERNOON.

* WINDS...SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH. 

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY LEVELS
  WILL DROP INTO THE 13 TO 19 PCT RANGE DURING THE AFTERNOON
  HOURS...BARELY WITHIN THE RANGE OF CRITERIA.

* IMPACTS...ANY FIRES THAT DEVELOP OR ONGOING WILL HAVE THE
  POTENTIAL TO SPREAD RAPIDLY...ESPECIALLY IN AREAS WITH A HEAVY
  DEAD GRASS LOAD.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON
  AND CLICK ON THE DETAILED HAZARDS TAB.

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 THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST ARIZONA.

&&

$$


VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
571 
WWUS85 KTWC 300107
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
607 PM MST TUE MAR 29 2016

AZZ152-300215-
/O.EXP.KTWC.FW.W.0007.000000T0000Z-160330T0100Z/
ARIZONA FIRE WEATHER ZONE 152
SOUTHERN GRAHAM COUNTY-CENTRAL AND EASTERN COCHISE COUNTY-
SOUTHERN GREENLEE COUNTY-
LOWER ELEVATIONS OF THE SAN CARLOS APACHE NATION 
IN GRAHAM COUNTY-CORONADO NF-SAFFORD BLM-TDC-
607 PM MST TUE MAR 29 2016

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS...LOW RELATIVE
HUMIDITY AND HIGH FIRE DANGER FOR THE SOUTHEAST PORTION OF FIRE
WEATHER ZONE 152 INCLUDING EASTERN COCHISE...SOUTHEAST GRAHAM AND
SOUTHERN GREENLEE COUNTIES...

WIND SPEEDS ACROSS THE AREA WILL CONTINUE TO DIMINISH EARLY THIS
EVENING. RELATIVE HUMIDITY VALUES WILL INCREASE...WITH MOST VALUES
IN THE 25 TO 35 PERCENT RANGE OR HIGHER AT THIS TIME. THUS...THE
RED FLAG WARNING WAS ALLOWED TO EXPIRE AT 6 PM MST.

$$

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 2:32 AM MSTWind AdvisoryTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz40 hr

Nearby

Red Flag Warnings in Arizona, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.