Alert archive / Arizona / Red Flag Warnings in 2017
Red Flag Warning 5, NWS Tucson, AZ
NWS Tucson, AZ issued this red flag warning at Apr 24, 2017, 3:26 PM MST for 6 counties in Arizona. It took effect at Apr 25, 2017, 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
- Apr 24, 2017, 3:26 PM MST (22:26 UTC)
- In effect from
- Apr 25, 2017, 11:00 AM MST
- Expired
- Apr 25, 2017, 8:00 PM MST
- In force
- 9 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 22:23 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, 10.4 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4013 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
298 WWUS85 KTWC 242226 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 326 PM MST Mon Apr 24 2017 AZZ152-251200- /O.UPG.KTWC.FW.A.0003.170425T1700Z-170426T0200Z/ /O.NEW.KTWC.FW.W.0005.170425T1800Z-170426T0200Z/ /O.CON.KTWC.FW.W.0004.000000T0000Z-170425T0200Z/ 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- 326 PM MST Mon Apr 24 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR FIRE WEATHER ZONE 152. A RED FLAG WARNING HAS BEEN ISSUED FROM 11 AM TO 7 PM MST TUESDAY FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE SOUTHEAST HALF OF FIRE WEATHER ZONE 152... The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from 11 AM to 7 PM MST Tuesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Most of Fire Weather Zone 152 including elevations above 5000 ft are included in the warning through this evening. The Red Flag Warning on Tuesday is primarily for the southeast half of the zone and includes the Chiricahua Mountains. * TIMING...The warning remains in effect through 7 PM MST this evening. Tuesday's warning is in effect from 11 AM MST Tuesday morning through 7 PM MST Tuesday evening. * WINDS...West to southwest 20-ft winds of 15 to 25 mph with gusts to 40 mph possible through 7 PM MST this evening. On Tuesday, westerly winds will begin to increase around 9 AM MST. Sustained west 20-ft winds of 20 to 30 mph and gusts to 40 mph will occur during the afternoon hours. * RELATIVE HUMIDITY...Minimum values of 5 to 10 percent through 7 PM MST this evening. On Tuesday, expect slightly higher relative humidity with minimum values in the afternoon between 10 and 15 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially in areas with a high 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... Please advise the appropriate officials or fire crews in the field of the Fire Weather Warning and Watch for portions of Southeast Arizona. && 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. && $$ AZZ151-250200- /O.CON.KTWC.FW.W.0004.000000T0000Z-170425T0200Z/ Arizona Fire Weather Zone 151 Eastern Pima County-Southeastern Pinal County- Santa Cruz County-Western Cochise County- Coronado NF-TDC- 326 PM MST Mon Apr 24 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR SOUTHERN PORTIONS OF FIRE WEATHER ZONE 151... * AFFECTED AREA...Southern portions of Fire Weather Zone 151 including Eastern Pima, Santa Cruz and Cochise counties. This also includes the Catalina, Rincon, Huachuca, Whetstone and Santa Rita mountain ranges. * TIMING...The warning remains in effect through 7 PM MST this evening. * WINDS...West to southwest 20-ft winds of 15 to 25 mph with gusts to 40 mph will be possible. * RELATIVE HUMIDITY...Minimum values between 5 and 10 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially in areas with a high dead grass load. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the DETAILED HAZARDS tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
4 follow-up statements
843 WWUS85 KTWC 250339 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 839 PM MST Mon Apr 24 2017 AZZ152-251245- /O.CON.KTWC.FW.W.0005.170425T1800Z-170426T0200Z/ 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- 839 PM MST Mon Apr 24 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM MST TUESDAY FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR FIRE WEATHER ZONE 152. A RED FLAG WARNING HAS BEEN ISSUED FROM 11 AM TO 7 PM MST TUESDAY FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE SOUTHEAST HALF OF FIRE WEATHER ZONE 152... * AFFECTED AREA...The southeast half of Fire Weather Zone 152 including the Chiricahua Mountains. * TIMING...The warning is in effect from 11 AM MST Tuesday morning through 7 PM MST Tuesday evening. * WINDS...Westerly winds will begin to increase around 9 AM MST. Sustained west 20-ft winds of 20 to 30 mph and gusts to 40 mph will occur during the afternoon hours. * RELATIVE HUMIDITY...Expect slightly higher relative humidity with minimum values in the afternoon between 12 and 17 percent in the warning area. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially in areas with a high 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... Please advise the appropriate officials or fire crews in the field of the Fire Weather Warning and Watch for portions of Southeast Arizona. 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
157 WWUS85 KTWC 250959 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 259 AM MST Tue Apr 25 2017 AZZ150-151-260200- /O.EXB.KTWC.FW.W.0005.170425T2100Z-170426T0300Z/ 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- 259 AM MST Tue Apr 25 2017 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM MST THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR NORTHERN PORTIONS OF FIRE WEATHER ZONES 150 AND 151 INCLUDING SOUTHEAST PINAL...NORTH-CENTRAL AND EASTERN PIMA COUNTIES... The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from 2 PM this afternoon to 8 PM MST this evening. * AFFECTED AREA...The northern portions of Fire Weather Zones 150 and 151 including Southeast Pinal, North-central and Eastern Pima counties. This warning includes the SAWMILL FIRE near the Santa Rita Mountains. * TIMING...The warning is in effect from 2 PM MST this afternoon through 8 PM MST this evening. * WINDS...Sustained 20-foot winds from the southwest 15 to 20 mph with gusts to 35 mph will begin around 9 AM MST. Winds will then become west 25 to 30 mph with gusts to 45 mph during the afternoon hours. * RELATIVE HUMIDITY...Expect slightly higher relative humidity values above 20 percent to persist into the early afternoon hours...finally dipping into the 12 to 17 percent range during the mid-afternoon and evening. * IMPACTS...The SAWMILL FIRE and any other fires that develop will have the potential to spread rapidly, especially in areas with a high 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... Please advise the appropriate officials or fire crews in the field of the Fire Weather Warning and Watch for portions of Southeast Arizona. 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. && $$ AZZ152-260200- /O.EXT.KTWC.FW.W.0005.170425T1800Z-170426T0300Z/ 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- 259 AM MST Tue Apr 25 2017 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR SOUTHEAST FIRE WEATHER ZONE 152 INCLUDING EASTERN COCHISE...SOUTHEAST GRAHAM AND SOUTHERN GREENLEE COUNTIES... * AFFECTED AREA...The southeast half of Fire Weather Zone 152 including Eastern Cochise, Southwest Graham and Southern Greenlee counties. This includes the Chiricahua Mountains. * TIMING...The warning is in effect from 11 AM MST this morning through 8 PM MST this evening. * WINDS...Sustained 20-foot winds from the southwest 15 to 25 mph with gusts to 35 mph will begin around 9 AM MST. Winds will then become west 25 to 35 mph with gusts to 45 mph during the afternoon hours. * RELATIVE HUMIDITY...Expect slightly higher relative humidity with minimum values in the afternoon between 12 and 17 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially in areas with a high 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... Please advise the appropriate officials or fire crews in the field of the Fire Weather Warning and Watch for portions of Southeast Arizona. 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
257 WWUS85 KTWC 252114 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 214 PM MST Tue Apr 25 2017 AZZ150>152-260300- /O.CON.KTWC.FW.W.0005.000000T0000Z-170426T0300Z/ 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- 214 PM MST Tue Apr 25 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR NORTHERN PORTIONS OF FIRE WEATHER ZONES 150 AND 151 INCLUDING SOUTHEAST PINAL...NORTH-CENTRAL AND EASTERN PIMA COUNTIES...AND SOUTHEAST FIRE WEATHER ZONE 152 INCLUDING EASTERN COCHISE...SOUTHEAST GRAHAM AND SOUTHERN GREENLEE COUNTIES... * AFFECTED AREA...The northern portions of Fire Weather Zones 150 and 151 including Southeast Pinal, North-central and Eastern Pima counties. This warning includes the SAWMILL FIRE near the Santa Rita Mountains. The southeast half of Fire Weather Zone 152 including Eastern Cochise, Southwest Graham and Southern Greenlee counties. This includes the Chiricahua Mountains. * TIMING...The warning is in effect through 8 PM MST this evening. * WINDS...Westerly 20-ft winds around 25 to 35 mph with gusts to 45 mph into this evening. * RELATIVE HUMIDITY...Minimum values this afternoon between 12 and 17 percent. * IMPACTS...The SAWMILL FIRE and any other fires that develop or are ongoing will have the potential to spread rapidly, especially in areas with a high 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... Please advise the appropriate officials or fire crews in the field of the Fire Weather Warning and Watch for portions of Southeast Arizona. 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
296 WWUS85 KTWC 260241 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 741 PM MST Tue Apr 25 2017 AZZ150>152-260345- /O.EXP.KTWC.FW.W.0005.000000T0000Z-170426T0300Z/ 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- 741 PM MST Tue Apr 25 2017 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR NORTHERN PORTIONS OF FIRE WEATHER ZONES 150 AND 151 INCLUDING SOUTHEAST PINAL...NORTH-CENTRAL AND EASTERN PIMA COUNTIES...AND SOUTHEAST FIRE WEATHER ZONE 152 INCLUDING EASTERN COCHISE... SOUTHEAST GRAHAM AND SOUTHERN GREENLEE COUNTIES... Humidity levels increased through the afternoon and winds have decreased significantly this evening, both of which are now well below Red Flag Criteria. Therefore the warning will be allowed to expire at 8 pm. Winds will remain somewhat gusty for a few more hours until settling down after midnight tonight. $$ Cerniglia 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 3:01 PM MST | Wind Advisory | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 29 hr |
Nearby
Red Flag Warnings in Arizona, 2017Every red flag warning in 2017
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.