Alert archive / Arizona / Red Flag Warnings in 2016

Red Flag Warning 5, NWS Tucson, AZ

March 25, 20164 counties in Arizona

NWS Tucson, AZ issued this red flag warning at Mar 25, 2016, 2:25 PM MST for 4 counties in Arizona. It took effect at Mar 26, 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 25, 2016, 2:25 PM MST (21:25 UTC)
In effect from
Mar 26, 2016, 12:00 PM MST
Expired
Mar 26, 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 21:29 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, 9.4 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 2016-03-25Temperature 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 2016-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.19395878Sfc1 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
3650 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

397 
WWUS85 KTWC 252125
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
225 PM MST FRI MAR 25 2016

AZZ152-153-261200-
/O.UPG.KTWC.FW.A.0003.160326T1900Z-160327T0100Z/
/O.NEW.KTWC.FW.W.0005.160326T1900Z-160327T0100Z/
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-
ARIZONA FIRE WEATHER ZONE 153
NORTHERN GRAHAM COUNTY-NORTHERN GREENLEE COUNTY-
WHITE AND GILA MOUNTAINS-APACHE SITGREAVES NF-SDC-
225 PM MST FRI MAR 25 2016

...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM MST SATURDAY FOR
STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR EASTERN FIRE
WEATHER ZONE 152 AND THE SOUTHERN HALF OF ZONE 153 NOT INCLUDING THE
ALPINE DISTRICT...

* TIMING...NOON SATURDAY THROUGH 6 PM SATURDAY EVENING.

* WINDS...WESTERLY TO NORTHWESTERLY WINDS WILL INCREASE DURING THE
  LATE MORNING AND PEAK DURING THE AFTERNOON HOURS. EXPECT WIND
  SPEEDS OF 15 TO 25 MPH WITH GUSTS UP TO 40 MPH...ESPECIALLY ACROSS
  THE GILA VALLEY AND THE HIGHER TERRAIN JUST NORTH OF THE VALLEY.

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY WILL 
  DECREASE THROUGHOUT THE MORNING. EXPECT VALUES AROUND 5 TO 10 
  PCT IN THE VALLEYS AND AROUND 10 TO 15 PCT IN THE HIGHER 
  ELEVATIONS DURING THE AFTERNOON HOURS.

* 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...

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR ARE EXPECTED TO DEVELOP. 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.

&&

$$

CERNIGLIA
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
3 follow-up statements
141 
WWUS85 KTWC 260852
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
152 AM MST SAT MAR 26 2016

AZZ152-153-262200-
/O.CON.KTWC.FW.W.0005.160326T1900Z-160327T0100Z/
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-
ARIZONA FIRE WEATHER ZONE 153
NORTHERN GRAHAM COUNTY-NORTHERN GREENLEE COUNTY-
WHITE AND GILA MOUNTAINS-APACHE SITGREAVES NF-SDC-
152 AM MST SAT MAR 26 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM MST
THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH
FIRE DANGER FOR THE EASTERN HALF OF FIRE WEATHER ZONE 152 AND
THE SOUTHERN HALF OF ZONE 153 NOT INCLUDING THE ALPINE DISTRICT...

* TIMING...NOON TODAY THROUGH 6 PM THIS EVENING.

* WINDS...WESTERLY TO NORTHWESTERLY WINDS WILL INCREASE DURING THE
  LATE MORNING AND PEAK DURING THE AFTERNOON HOURS. EXPECT WIND
  SPEEDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH...ESPECIALLY
  ACROSS THE GILA VALLEY AND THE HIGHER TERRAIN JUST NORTH OF THE
  VALLEY.

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY WILL 
  DECREASE THROUGHOUT THE MORNING. EXPECT VALUES AROUND 5 TO 10 
  PCT IN THE VALLEYS AND AROUND 10 TO 15 PCT IN THE HIGHER 
  ELEVATIONS DURING THE AFTERNOON HOURS.

* 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 ARE EXPECTED TO DEVELOP. 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
933 
WWUS85 KTWC 262048
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
148 PM MST SAT MAR 26 2016

AZZ152-153-270100-
/O.CON.KTWC.FW.W.0005.000000T0000Z-160327T0100Z/
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-
ARIZONA FIRE WEATHER ZONE 153
NORTHERN GRAHAM COUNTY-NORTHERN GREENLEE COUNTY-
WHITE AND GILA MOUNTAINS-APACHE SITGREAVES NF-SDC-
148 PM MST SAT MAR 26 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 EASTERN HALF OF FIRE WEATHER ZONE 152 AND THE SOUTHERN HALF
OF ZONE 153 NOT INCLUDING THE ALPINE DISTRICT...

* TIMING...THROUGH 6 PM THIS EVENING.

* WINDS...WESTERLY TO NORTHWESTERLY 15 TO 25 MPH WITH GUSTS UP TO 40
  MPH...EXCEPT LOCALLY TO 45 MPH HIGHER TERRAIN JUST NORTH OF THE
  GILA VALLEY. WINDS WILL SUBSIDE AFTER SUNSET.

* RELATIVE HUMIDITY...CURRENT HUMIDITY LEVELS GENERALLY RANGE FROM
  10 TO 15 PCT AND ARE EXPECTED TO BOTTOM OUT IN THE 6 TO 12 PCT
  RANGE FROM 1500 TO 1600 THIS AFTERNOON.

* IMPACTS...RED FLAG CONDITIONS ARE OCCURRING IN THE WARNING AREA AND
  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 ARE EXPECTED TO DEVELOP. 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.

&&

$$

CERNIGLIA
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
621 
WWUS85 KTWC 270101
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
601 PM MST SAT MAR 26 2016


AZZ152-153-270215-
/O.EXP.KTWC.FW.W.0005.000000T0000Z-160327T0100Z/
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-
ARIZONA FIRE WEATHER ZONE 153
NORTHERN GRAHAM COUNTY-NORTHERN GREENLEE COUNTY-
WHITE AND GILA MOUNTAINS-APACHE SITGREAVES NF-SDC-
601 PM MST SAT MAR 26 2016

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS...LOW RELATIVE
HUMIDITY AND HIGH FIRE DANGER FOR THE EASTERN HALF OF FIRE
WEATHER ZONE 152 AND THE SOUTHERN HALF OF ZONE 153 NOT INCLUDING
THE ALPINE DISTRICT...

WIND SPEEDS ACROSS THE AREA WILL CONTINUE TO DIMINISH EARLY 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.


$$


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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 2:21 AM MSTFire Weather WatchTWCCochise, Graham, Greenlee, Pinal12 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.