Alert archive / Arizona / Red Flag Warnings in 2018
Red Flag Warning 2, NWS Tucson, AZ
NWS Tucson, AZ issued this red flag warning at Feb 10, 2018, 3:28 AM MST for 6 counties in Arizona. It took effect at Feb 10, 2018, 1:00 PM MST. It was in force for 5 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
- Feb 10, 2018, 3:28 AM MST (10:28 UTC)
- In effect from
- Feb 10, 2018, 1:00 PM MST
- Expired
- Feb 10, 2018, 6:00 PM MST
- In force
- 5 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 10:32 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 00:00Z, 10.5 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
- 4568 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
813 WWUS85 KTWC 101028 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 328 AM MST Sat Feb 10 2018 AZZ150>152-101830- /O.UPG.KTWC.FW.A.0002.180210T2000Z-180211T0100Z/ /O.NEW.KTWC.FW.W.0002.180210T2000Z-180211T0100Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 328 AM MST Sat Feb 10 2018 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM MST THIS EVENING FOR FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR PORTIONS OF FIRE WEATHER ZONES 150, 151, AND 152... The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from 1 PM this afternoon to 6 PM MST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Far southeastern section of Fire weather zone 150 and the southern half of Fire weather zones 151 and 152. * TIMING...1 pm MST this afternoon through 6 pm mst this evening. * WINDS...20-ft west to southwest increasing this afternoon to between 15 to 25 mph with gusts up to 35 mph, possibly higher in the mountains. * RELATIVE HUMIDITY...Minimum relative humidity of 7 to 15 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 Icon. 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. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
3 follow-up statements
669 WWUS85 KTWC 101612 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 912 AM MST Sat Feb 10 2018 AZZ150>152-110100- /O.CON.KTWC.FW.W.0002.180210T2000Z-180211T0100Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC-Arizona Fire Weather Zone 151 Eastern Pima County-Southeastern Pinal County- Santa Cruz County-Western Cochise County- Coronado NF-TDC-Arizona Fire Weather Zone 152 Southern Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 912 AM MST Sat Feb 10 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM MST THIS EVENING FOR FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR PORTIONS OF FIRE WEATHER ZONES 150, 151, AND 152... * AFFECTED AREA...Far southeastern section of Fire weather zone 150 and the southern half of Fire weather zones 151 and 152. * TIMING...1 pm MST this afternoon through 6 pm mst this evening. * WINDS...20-ft west to southwest increasing this afternoon to between 15 to 25 mph with gusts up to 35 mph, possibly higher in the mountains. * RELATIVE HUMIDITY...Minimum relative humidity of 5 to 15 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly. * FOR A DETAILED VIEW OF THE HAZARD AREA...Visit weather.gov/Tucson and click on the Detailed Hazards Icon. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
984 WWUS85 KTWC 102123 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 223 PM MST Sat Feb 10 2018 AZZ150>152-110100- /O.CON.KTWC.FW.W.0002.000000T0000Z-180211T0100Z/ 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 Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 223 PM MST Sat Feb 10 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR PORTIONS OF FIRE WEATHER ZONES 150, 151, AND 152... * AFFECTED AREA...Far southeastern section of Fire weather zone 150 and the southern half of Fire weather zones 151 and 152. * TIMING...Until 6 pm mst this evening. * WINDS...20-ft west to southwest winds between 15 to 25 mph with gusts up to 35 mph, possibly higher in the mountains. * RELATIVE HUMIDITY...Minimum relative humidity of 5 to 15 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 Icon. 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. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
784 WWUS85 KTWC 110103 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 603 PM MST Sat Feb 10 2018 AZZ150>152-110215- /O.EXP.KTWC.FW.W.0002.000000T0000Z-180211T0100Z/ Arizona Fire Weather Zone 150 Western Pima County-South Central Pinal County- Tohono O'Odham Nation-TDC-Arizona Fire Weather Zone 151 Eastern Pima County-Southeastern Pinal County- Santa Cruz County-Western Cochise County- Coronado NF-TDC-Arizona Fire Weather Zone 152 Southern Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 603 PM MST Sat Feb 10 2018 ...RED FLAG WARNING HAS EXPIRED FOR STRONG GUSTY WINDS...LOW RELATIVE HUMIDITY AND A HIGH FIRE DANGER FOR PORTIONS OF FIRE WEATHER ZONES 150, 151, AND 152... Very localized critical fire weather conditions will continue through 8 pm. However overall the wind speeds this evening will be on the decrease. Thus, the Red Flag Warning was allowed to expire on time. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
Nearby
Red Flag Warnings in Arizona, 2018Every red flag warning in 2018
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.