Alert archive / Arizona / Red Flag Warnings in 2017
Red Flag Warning 7, NWS Tucson, AZ
NWS Tucson, AZ issued this red flag warning at Apr 27, 2017, 3:43 AM MST for 6 counties in Arizona. It took effect at Apr 28, 2017, 10:00 AM MST. It was in force for 10 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 27, 2017, 3:43 AM MST (10:43 UTC)
- In effect from
- Apr 28, 2017, 10:00 AM MST
- Expired
- Apr 28, 2017, 8:00 PM MST
- In force
- 10 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 10:44 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 28, 6:25 PM MST | NON-TSTM WND GST 40 | 10 Ese Queen Creek, AZ | MESONET STATION SRP22, 10 ESE QUEEN CREEK. |
| Apr 28, 7:20 PM MST | NON-TSTM WND GST 52 | 5 E Queen Creek, AZ |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 00:00Z, 10.7 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
- 4156 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
761 WWUS85 KTWC 271043 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 343 AM MST Thu Apr 27 2017 ...Critical Fire Weather Conditions expected across portions of southeast Arizona today...Friday and possibly Saturday... .A weather system will approach the region today and then pass through the area on Friday. Winds will increase this afternoon resulting in critical fire weather conditions eastern areas. Strong winds are expected area wide Friday with widespread critical fire weather conditions likely. Humidity levels will be a bit elevated but not enough to temper the potential spread of ongoing fires. Strong winds and very low humidity levels are again possible east of Tucson Saturday. AZZ151-152-272045- /O.UPG.KTWC.FW.A.0004.170428T1700Z-170429T0300Z/ /O.NEW.KTWC.FW.W.0007.170428T1700Z-170429T0300Z/ /O.CON.KTWC.FW.W.0006.170427T1900Z-170428T0200Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 343 AM MST Thu Apr 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MST THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST FRIDAY FOR HIGH WINDS AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from noon to 7 PM MST today. A Red Flag Warning is also in effect from 10 AM to 8 PM MST Friday. * AFFECTED AREA...Fire weather zone 151 and 152. * TIMING...The Red Flag warnings will be in effect from Noon through 7 PM MST this evening, and again Friday from 10 AM to 8 PM MST. * WINDS...Westerly wind 15 to 25 mph with gusts near 35 mph, especially across higher terrain including the Whetstone Mountains. The wind will quickly ease this evening just after sunset. On Friday, strong southwest to west winds will develop during the morning hours and last longer into the evening. * RELATIVE HUMIDITY...Minimum humidity levels today will range from 11 to 16 percent, dropping into the teens by 10 am. Minimum humidity levels Friday will range from around 8 to 12 percent western areas to 14 to 23 percent eastern areas. * IMPACTS...ANY FIRES THAT DEVELOP OR ARE ONGOING WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY, ESPECIALLY FRIDAY UNDER THE INFLUENCE OF VERY STRONG WINDS. * 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. && $$ AZZ150-272045- /O.UPG.KTWC.FW.A.0004.170428T1700Z-170429T0300Z/ /O.NEW.KTWC.FW.W.0007.170428T1700Z-170429T0300Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC- 343 AM MST Thu Apr 27 2017 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST FRIDAY FOR HIGH WINDS AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONE 150... The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from 10 AM to 8 PM MST Friday. * AFFECTED AREA...Fire weather zone 150. * TIMING...The Red Flag Warning is from 10 AM to 8 PM MST Friday. * WINDS...Strong southwest to west winds will develop Friday morning hour and last well into the evening. * RELATIVE HUMIDITY...Minimum humidity levels Friday will range from around 8 to 14 percent. * IMPACTS...ANY FIRES THAT DEVELOP OR ARE ONGOING WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
6 follow-up statements
070 WWUS85 KTWC 272024 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 124 PM MST Thu Apr 27 2017 ...Critical Fire Weather Conditions expected across portions of southeast Arizona today...Friday and Saturday... .A weather system will approach the region today and then pass through the area on Friday. Winds will increase this afternoon resulting in critical fire weather conditions in eastern areas. Strong winds are expected area-wide Friday with widespread critical fire weather conditions likely. Humidity levels in some locations will be slightly higher than 15 percent, but not enough to temper the potential spread of ongoing fires. Strong winds and very low humidity levels are again expected east and southeast of Tucson Saturday. AZZ151-152-280430- /O.NEW.KTWC.FW.A.0005.170429T1900Z-170430T0300Z/ /O.CON.KTWC.FW.W.0006.000000T0000Z-170428T0200Z/ /O.CON.KTWC.FW.W.0007.170428T1700Z-170429T0300Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 124 PM MST Thu Apr 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM MST FRIDAY FOR HIGH WINDS AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... The National Weather Service in Tucson has issued a Fire Weather Watch, which is in effect from Saturday afternoon through Saturday evening. The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from noon to 7 PM MST today. A Red Flag Warning is also in effect from 10 AM to 8 PM MST Friday. * AFFECTED AREA...Fire weather zones 151 and 152. * TIMING...The Red Flag warnings will be in effect through 7 PM MST this evening, and again Friday from 10 AM to 8 PM MST. The Watch will be in effect Saturday from Noon to 8 PM MST. * WINDS...Westerly wind 15 to 25 mph with gusts near 35 mph, especially across higher terrain including the Whetstone Mountains. The wind will quickly ease this evening just after sunset. On Friday, stronger southwest to west winds will develop during the morning hours and last longer into the evening, with another round Saturday afternoon and evening. * RELATIVE HUMIDITY...Minimum humidity levels today will range from 11 to 16 percent. Minimum humidity levels Friday will range from around 8 to 12 percent western areas to 14 to 21 percent in eastern areas. * IMPACTS...ANY FIRES THAT DEVELOP OR ARE ONGOING WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY, ESPECIALLY FRIDAY UNDER THE INFLUENCE OF VERY STRONG WINDS. * 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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. Please advise the appropriate officials or fire crews in the field of the Fire Weather Watch for portions of Southeast Arizona. && $$ AZZ150-280430- /O.CON.KTWC.FW.W.0007.170428T1700Z-170429T0300Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC- 124 PM MST Thu Apr 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM MST FRIDAY FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONE 150... * AFFECTED AREA...Fire weather zone 150. * TIMING...The Red Flag Warning is from 10 AM to 8 PM MST Friday. * WINDS...Strong southwest to west winds will develop by late Friday morning and last well into the evening. * RELATIVE HUMIDITY...Minimum humidity levels Friday will range from around 8 to 14 percent. * IMPACTS...ANY FIRES THAT DEVELOP OR ARE ONGOING WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
981 WWUS85 KTWC 280411 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 911 PM MST Thu Apr 27 2017 ...Critical Fire Weather Conditions expected across portions of southeast Arizona Friday and Saturday... .A weather system will approach the region and pass through the area on Friday. Strong winds are expected area-wide Friday with widespread critical fire weather conditions likely. Humidity levels in some locations will be slightly higher than 15 percent, but not enough to temper the potential spread of ongoing fires. Strong winds and very low humidity levels are again expected east and southeast of Tucson Saturday. AZZ151-152-281315- /O.CON.KTWC.FW.W.0007.170428T1700Z-170429T0300Z/ /O.CON.KTWC.FW.A.0005.170429T1900Z-170430T0300Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 911 PM MST Thu Apr 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM MST FRIDAY FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... ...FIRE WEATHER WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... The National Weather Service in Tucson continues the Red Flag Warning from 10 AM to 8 PM MST Friday. * AFFECTED AREA...All of fire weather zones 151 and 152 for the Friday warning. The southeast part of zone 151 and most of 152 for the Saturday watch. * TIMING...The Friday Red Flag warning will be in effect from 10 AM to 8 PM MST. The Watch will be in effect Saturday from Noon to 8 PM MST. * WINDS...Strong southwest to west winds of 20 to 30 mph with gusts to 45 mph will develop during the morning hours Friday and last well into the evening. Another round of somewhat lighter winds area forecast Saturday afternoon and evening. * RELATIVE HUMIDITY...Minimum humidity levels Friday will range from around 8 to 12 percent western areas to 14 to 21 percent in eastern areas. For Saturday minimum humidity levels will generally be 7 to 12 percent area wide. * IMPACTS...any fires that develop or are ongoing will have the potential to spread rapidly under the influence of very strong winds. * 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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. Please advise the appropriate officials or fire crews in the field of the Fire Weather Watch for portions of Southeast Arizona. && $$ AZZ150-281315- /O.CON.KTWC.FW.W.0007.170428T1700Z-170429T0300Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC- 911 PM MST Thu Apr 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM MST FRIDAY FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONE 150... * AFFECTED AREA...Fire weather zone 150. * TIMING...The Red Flag Warning is from 10 AM to 8 PM MST Friday. * WINDS...Strong southwest to west winds of 20 to 25 mph with gusts to 40 mph will develop by late Friday morning and last well into the evening. * RELATIVE HUMIDITY...Minimum humidity levels Friday will range from around 8 to 14 percent. * IMPACTS...any fires that develop or are ongoing will have the potential to spread rapidly. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Cerniglia Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
945 WWUS85 KTWC 281005 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 305 AM MST Fri Apr 28 2017 ...Critical Fire Weather Conditions expected across portions of southeast Arizona today and Saturday... .A weather system will pass through the region today. Strong winds are expected area-wide today with widespread critical fire weather conditions likely. Humidity levels in some locations will be slightly higher than 15 percent, but not enough to temper the potential spread of ongoing fires. Strong winds and very low humidity levels are again expected east and southeast of Tucson Saturday. AZZ151-152-281815- /O.CON.KTWC.FW.W.0007.170428T1700Z-170429T0300Z/ /O.CON.KTWC.FW.A.0005.170429T1900Z-170430T0300Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 305 AM MST Fri Apr 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... ...FIRE WEATHER WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... * AFFECTED AREA...All of fire weather zones 151 and 152 for the Warning today. The southeast part of zone 151 and most of 152 for the Fire Weather Watch on Saturday. * TIMING...The Red Flag warning will be in effect from 10 AM to 8 PM MST today. The Watch will be in effect Saturday from Noon to 8 PM MST. * WINDS...Strong southwest to west winds of 20 to 30 mph with gusts to 45 mph will develop during the morning hours today and last well into the evening. Another round of somewhat lighter winds area forecast Saturday afternoon and evening. * RELATIVE HUMIDITY...Minimum humidity levels today will range from around 8 to 12 percent western areas to 14 to 21 percent in eastern areas. For Saturday minimum humidity levels will generally be 7 to 12 percent area wide. * IMPACTS...any fires that develop or are ongoing will have the potential to spread rapidly under the influence of very strong winds. * 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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. Please advise the appropriate officials or fire crews in the field of the Fire Weather Watch for portions of Southeast Arizona. && $$ AZZ150-281815- /O.CON.KTWC.FW.W.0007.170428T1700Z-170429T0300Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC- 305 AM MST Fri Apr 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONE 150... * AFFECTED AREA...Fire weather zone 150. * TIMING...The Red Flag Warning is from 10 AM to 8 PM MST today. * WINDS...Strong southwest to west winds of 20 to 25 mph with gusts to 40 mph will develop by late this morning and last well into the evening. * RELATIVE HUMIDITY...Minimum humidity levels today will range from around 8 to 14 percent. * IMPACTS...any fires that develop or are ongoing will have the potential to spread rapidly. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
846 WWUS85 KTWC 281740 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 1040 AM MST Fri Apr 28 2017 ...Critical Fire Weather Conditions expected across portions of southeast Arizona today and Saturday... .A weather system will pass through the region today. Strong winds are expected area-wide today with widespread critical fire weather conditions likely. Humidity levels in some locations will be slightly higher than 15 percent, but not enough to temper the potential spread of ongoing fires. Strong winds and very low humidity levels are expected east and southeast of Tucson Saturday. AZZ151-152-290300- /O.CON.KTWC.FW.W.0007.000000T0000Z-170429T0300Z/ /O.CON.KTWC.FW.A.0005.170429T1900Z-170430T0300Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 1040 AM MST Fri Apr 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... * AFFECTED AREA...All of fire weather zones 151 and 152 for the Warning today. The southeast part of zone 151 and most of 152 for the Fire Weather Watch on Saturday. * TIMING...The Red Flag warning will be in effect from 10 AM to 8 PM MST today. The Watch will be in effect Saturday from Noon to 8 PM MST. * WINDS...Strong southwest to west winds of 20 to 30 mph with gusts to 45 mph will develop during the morning hours today and last well into the evening. Another round of somewhat lighter winds area forecast Saturday afternoon and evening. * RELATIVE HUMIDITY...Minimum humidity levels today will range from around 8 to 12 percent western areas to 14 to 21 percent in eastern areas. For Saturday minimum humidity levels will generally be 7 to 12 percent area wide. * IMPACTS...any fires that develop or are ongoing will have the potential to spread rapidly under the influence of very strong winds. * 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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. Please advise the appropriate officials or fire crews in the field of the Fire Weather Watch for portions of Southeast Arizona. && $$ AZZ150-290300- /O.CON.KTWC.FW.W.0007.000000T0000Z-170429T0300Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC- 1040 AM MST Fri Apr 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONE 150... * AFFECTED AREA...Fire weather zone 150. * TIMING...The Red Flag Warning is from 10 AM to 8 PM MST today. * WINDS...Strong southwest to west winds of 20 to 25 mph with gusts to 40 mph will develop by late this morning and last well into the evening. * RELATIVE HUMIDITY...Minimum humidity levels today will range from around 8 to 14 percent. * IMPACTS...any fires that develop or are ongoing will have the potential to spread rapidly. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
500 WWUS85 KTWC 282159 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 259 PM MST Fri Apr 28 2017 AZZ151-152-290600- /O.UPG.KTWC.FW.A.0005.170429T1900Z-170430T0300Z/ /O.NEW.KTWC.FW.W.0008.170429T1800Z-170430T0300Z/ /O.CON.KTWC.FW.W.0007.000000T0000Z-170429T0300Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 259 PM MST Fri Apr 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR GUSTY WINDS...FALLING HUMIDITY AND HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152... ...RED FLAG WARNING IS IN EFFECT FROM 11 AM TO 8 PM MST SATURDAY FOR LOW HUMIDITY...GUSTY WIND AND VERY HIGH FIRE DANGER ACROSS PARTS OF ZONE 151 AND 152... The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MST Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...The warning through this evening includes all of zones 151 and 152. The Saturday warning covers areas from Safford south in zone 152 and the southeast part of zone 151 including the Sawmill Fire area. * TIMING...Today's Red Flag warning will expire at 8 pm this evening. The Red Flag warning for Saturday will be in effect from 11 AM to 8 PM MST. * WINDS...Strong southwest to west winds of 20 to 30 mph with gusts to 45 mph will continue into the early evening hours then gradually ease into the night. Another round of somewhat lighter winds will develop Saturday, generally from the northwest at 15 to 25 mph with gusts to 35 mph well east and south of Tucson. * RELATIVE HUMIDITY...Humidity levels will drop through the evening hours from west to east reaching their lowest levels of the day during the overnight hours. Then the humidity will fall further Saturday afternoon dropping to 7 to 12 percent area wide. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly under the influence of very strong winds. * 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. && $$ AZZ150-290300- /O.CON.KTWC.FW.W.0007.000000T0000Z-170429T0300Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC- 259 PM MST Fri Apr 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONE 150... * AFFECTED AREA...Fire weather zone 150. * TIMING...The Red Flag Warning until 8 PM MST this evening. * WINDS...Strong southwest to west winds of 20 to 25 mph with gusts to 40 mph slowly easing into the evening hours. * RELATIVE HUMIDITY...Humidity levels will drop through the evening hours to around 8 to 14 percent. * IMPACTS...Any fires that develop will have the potential to spread rapidly this evening. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Cerniglia Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
022 WWUS85 KTWC 290255 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 755 PM MST Fri Apr 28 2017 AZZ151-152-291100- /O.EXP.KTWC.FW.W.0007.000000T0000Z-170429T0300Z/ /O.CON.KTWC.FW.W.0008.170429T1800Z-170430T0300Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 755 PM MST Fri Apr 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST SATURDAY FOR GUSTY WINDS...FALLING HUMIDITY AND HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151 AND 152......RED FLAG WARNING IS IN EFFECT FROM 11 AM TO 8 PM MST SATURDAY FOR LOW HUMIDITY...GUSTY WIND AND VERY HIGH FIRE DANGER ACROSS PARTS OF ZONE 151 AND 152... ...RED FLAG WARNING ALLOWED TO EXPIRE AT 8 PM MST THIS EVENING... * AFFECTED AREA...The Red Flag Warning Saturday covers areas from Safford south in zone 152 and the southeast part of zone 151 including the Sawmill Fire area. * TIMING...The Red Flag warning Saturday will be in effect from 11 AM to 8 PM MST. * WINDS...Sustained 20-foot winds from the northwest at 15 to 25 mph with gusts to 35 mph east and south of Tucson. * RELATIVE HUMIDITY...Humidity levels Saturday afternoon will drop into the 7 to 12 percent range area wide. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly under the influence of very strong winds. * 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. && $$ AZZ150-290400- /O.EXP.KTWC.FW.W.0007.000000T0000Z-170429T0300Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC- 755 PM MST Fri Apr 28 2017 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING... Critical fire weather conditions this evening have subsided as winds have significantly weakened. Therefore...The Red Flag Warning has been allowed to expire at 8 PM MST. $$ 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 1:13 PM MST | Blowing Dust Advisory | TWC | Cochise, Graham, Greenlee, Pinal | 31 hr |
| Apr 27, 1:13 PM MST | Wind Advisory | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 31 hr |
| Apr 27, 1:24 PM MST | Fire Weather Watch | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.