Alert archive / Arizona / Red Flag Warnings in 2016

Red Flag Warning 9, NWS Tucson, AZ

April 24, 20166 counties in Arizona

NWS Tucson, AZ issued this red flag warning at Apr 24, 2016, 2:07 PM MST for 6 counties in Arizona. It took effect at Apr 25, 2016, 12:00 PM 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
Apr 24, 2016, 2:07 PM MST (21:07 UTC)
In effect from
Apr 25, 2016, 12:00 PM MST
Expired
Apr 25, 2016, 7:58 PM MST
In force
8 hr
Issued by
NWS Tucson, AZ

Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 61 km from the middle of the area, began a volume at 21:11 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, 9.1 hours before the alert went out and 49 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 2016-04-24Temperature 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 2016-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
2649 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

335 
WWUS85 KTWC 242107
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
207 PM MST SUN APR 24 2016

AZZ150>152-251200-
/O.UPG.KTWC.FW.A.0007.160425T1900Z-160426T0300Z/
/O.NEW.KTWC.FW.W.0009.160425T1900Z-160426T0300Z/
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-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-
207 PM MST SUN APR 24 2016

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MST MONDAY FOR
STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE
DANGER FOR ELEVATIONS BELOW 7000 FEET...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MST MONDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* TIMING...12 PM MST MONDAY THROUGH 8 PM MST MONDAY.

* WINDS...SOUTHWEST WINDS WILL DEVELOP IN THE MORNING...
  INCREASING BY MIDDAY THROUGH THE AFTERNOON TO 20 TO 35 MPH WITH
  GUSTS OF 35 TO 50 MPH. THE STRONGEST WINDS WILL OCCUR ACROSS
  THE SOUTHERN HALF OF ZONE 152.

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY WILL DROP
  INTO THE 11 TO 16 PCT RANGE DURING THE AFTERNOON HOURS AT
  ELEVATIONS BELOW 7000 FT. ABOVE 7000 FT...RELATIVE HUMIDITY WILL
  BE IN THE 17 TO 25 PCT RANGE OR HIGHER...AND THEREFORE THESE
  AREAS ARE NOT INCLUDED IN THE WARNING.

* 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...

&&

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 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
070 
WWUS85 KTWC 251007
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
307 AM MST MON APR 25 2016

AZZ153-252300-
/O.EXA.KTWC.FW.W.0009.160425T1900Z-160426T0300Z/
ARIZONA FIRE WEATHER ZONE 153
NORTHERN GRAHAM COUNTY-NORTHERN GREENLEE COUNTY-
WHITE AND GILA MOUNTAINS-APACHE SITGREAVES NF-SDC-
307 AM MST MON APR 25 2016

...RED FLAG WARNING IS 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 ELEVATIONS BELOW 7000 FEET...

* TIMING...12 PM MST MONDAY THROUGH 8 PM MST TODAY.

* WINDS...SOUTHWEST WINDS WILL INCREASE THROUGH THE MORNING REACHING
  20 TO 35 MPH WITH GUSTS TO 50 MPH THIS AFTERNOON INTO THIS EVENING.
  GUSTY WINDS WILL REMAIN GUSTY WELL INTO THE NIGHT. 

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY WILL DROP
  INTO THE 12 TO 18 PCT RANGE DURING THE AFTERNOON HOURS AT
  ELEVATIONS BELOW 7000 FT. ABOVE 7000 FT...RELATIVE HUMIDITY WILL BE
  GENERALLY REMAIN ABOVE 20 PERCENT...AND THEREFORE THESE AREAS ARE
  NOT INCLUDED IN THE WARNING.

* 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 ARE EXPECTED TO DEVELOP. A
COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND 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.

&&

$$

AZZ150>152-252300-
/O.CON.KTWC.FW.W.0009.160425T1900Z-160426T0300Z/
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-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-
307 AM MST MON APR 25 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 ELEVATIONS BELOW 7000 FEET...

* TIMING...12 PM MST MONDAY THROUGH 8 PM MST MONDAY.

* WINDS...SOUTHWEST WINDS WILL INCREASE THROUGH MORNING AND BY THE
  AFTERNOON REACH 20 TO 35 MPH WITH GUSTS OF 40 TO 50 MPH. THE
  STRONGEST WINDS WILL OCCUR ACROSS THE SOUTHERN HALF OF ZONE 152.

* RELATIVE HUMIDITY...DAYTIME MINIMUM RELATIVE HUMIDITY WILL DROP INTO
  THE 8 TO 15 PCT RANGE DURING THE AFTERNOON HOURS AT ELEVATIONS
  BELOW ABOUT 7000 FT. ABOVE 7000 FT...RELATIVE HUMIDITY WILL BE IN
  THE 17 TO 25 PCT RANGE AND THEREFORE THESE AREAS ARE NOT INCLUDED
  IN THE WARNING.

* 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 ARE EXPECTED TO DEVELOP. A
COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND 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
620 
WWUS85 KTWC 252054
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
154 PM MST MON APR 25 2016

AZZ150>153-260300-
/O.CON.KTWC.FW.W.0009.000000T0000Z-160426T0300Z/
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-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-
154 PM MST MON APR 25 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 ELEVATIONS BELOW 7000 FEET...

* TIMING...UNTIL 8 PM MST THIS EVENING.

* WINDS...SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS OF 40 TO 50
  MPH WILL CONTINUE INTO THIS EVENING. WINDS WILL REMAIN GUSTY
  WELL INTO THE NIGHT. 

* RELATIVE HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL CONTINUE TO
  FALL INTO THE 11 TO 18 PCT RANGE AT ELEVATIONS BELOW 7000 FT.
  ABOVE 7000 FT...RELATIVE HUMIDITY WILL GENERALLY REMAIN ABOVE
  20 PERCENT...AND THEREFORE THESE AREAS ARE NOT INCLUDED IN THE
  WARNING.

* 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 ARE EXPECTED TO DEVELOP. A
COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND 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.

&&

$$

CARLAW

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
938 
WWUS85 KTWC 260258
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
758 PM MST MON APR 25 2016


AZZ150>153-260400-
/O.CAN.KTWC.FW.W.0009.000000T0000Z-160426T0300Z/
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-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-
758 PM MST MON APR 25 2016

...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES
150...151...152 AND 153...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS CANCELLED THE RED FLAG
WARNING. 

THE CRITICAL COMBINATION OF WINDS AND RH HAS SUBSIDED ACROSS THE
AREA THIS EVENING. THEREFORE THE RED FLAG WARNING WILL EXPIRE AT
8PM.

$$


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
Apr 24, 2:00 PM MSTWind AdvisoryTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz30 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.