Alert archive / Arizona / Red Flag Warnings in 2017
Red Flag Warning 10, NWS Tucson, AZ
NWS Tucson, AZ issued this red flag warning at May 14, 2017, 2:34 AM MST for 4 counties in Arizona. It took effect at May 14, 2017, 11:00 AM MST. It was in force for 7 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
- May 14, 2017, 2:34 AM MST (09:34 UTC)
- In effect from
- May 14, 2017, 11:00 AM MST
- Expired
- May 14, 2017, 6:00 PM MST
- In force
- 7 hr
- Issued by
- NWS Tucson, AZ
Counties Cochise County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 37 km from the middle of the area, began a volume at 09:39 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, 9.6 hours before the alert went out and 8 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
- 4530 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
851 WWUS85 KTWC 140934 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 234 AM MST Sun May 14 2017 AZZ152-142200- /O.CAN.KTWC.FW.A.0007.170514T1800Z-170515T0100Z/ /O.NEW.KTWC.FW.W.0011.170515T1800Z-170516T0200Z/ Arizona Fire Weather Zone 152 Southern Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 234 AM MST Sun May 14 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MST MONDAY FOR STRONG WINDS...LOW HUMIDITY AND A VERY HIGH FIRE DANGER... ...THE FIRE WEATHER WATCH FOR ZONE 152 IS CANCELLED FOR TODAY... The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from 11 AM to 7 PM MST Monday. The Fire Weather Watch has been cancelled for today. * AFFECTED AREA...The southern half of zone 152. * TIMING...The warning is in effect from 11 AM MST through 7 PM MST Monday. * WINDS...South to Southwest winds will increase to 15 to 25 mph with gusts to 40 mph. * RELATIVE HUMIDITY...Will begin to drop below 15 percent by 10 AM MST, and bottom out between 7 and 12 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially across the lower elevation grass/brush areas. * 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. && $$ AZZ150-151-142200- /O.UPG.KTWC.FW.A.0007.170514T1800Z-170515T0100Z/ /O.NEW.KTWC.FW.W.0010.170514T1800Z-170515T0100Z/ /O.NEW.KTWC.FW.W.0011.170515T1800Z-170516T0200Z/ 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- 234 AM MST Sun May 14 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM MST THIS EVENING FOR STRONG WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MST MONDAY FOR STRONG WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER... The National Weather Service in Tucson has issued a Red Flag Warning, which is in effect from 11 AM this morning to 6 PM MST this evening. A Red Flag Warning has also been issued from 11 AM to 7 PM MST Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Today, all of Fire weather zone 150 and areas south of Green Vally in zone 151. For Monday the warning is in effect for the eastern half of zone 150, nearly all of 151 and the southern half of zone 152. * TIMING...Today's warning is in effect from 11 AM MST through 6 PM MST and the Monday warning from 11 am through 7 pm. * WINDS...South to Southwest winds will increase to 15 to 25 mph with gusts to 35 to 40 mph each afternoon. The winds today will be borderline critical then somewhat stronger on Monday. * RELATIVE HUMIDITY...Will begin to drop below 15 percent by roughly 10 AM MST both days, and bottom out between 9 and 15 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially across the lower elevation grass/brush areas. * 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. && $$ Cerniglia Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
2 follow-up statements
128 WWUS85 KTWC 142051 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 151 PM MST Sun May 14 2017 AZZ150-151-150100- /O.CON.KTWC.FW.W.0010.000000T0000Z-170515T0100Z/ /O.CON.KTWC.FW.W.0011.170515T1800Z-170516T0200Z/ 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- 151 PM MST Sun May 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR STRONG WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER...... ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM MST MONDAY FOR STRONG WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER... * AFFECTED AREA...This afternoon for all of Fire weather zone 150 and areas south of Green Valley in zone 151. For Monday, the warning is in effect for the eastern half of zone 150, nearly all of 151 and the southern half of zone 152. * TIMING...This afternoon the warning is in effect through 6 PM MST and the Monday warning is from 11 am through 7 pm. * WINDS...South to Southwest winds will 15 to 25 mph with gusts to 35 to 40 mph each afternoon. The winds this afternoon will be borderline critical then somewhat stronger on Monday. * RELATIVE HUMIDITY...Will drop to 15 percent by roughly 10 AM MST, and bottom out between 9 and 15 percent in the afternoon. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially across the lower elevation grass/brush areas. * 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. && $$ AZZ152-150100- /O.CON.KTWC.FW.W.0011.170515T1800Z-170516T0200Z/ Arizona Fire Weather Zone 152 Southern Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 151 PM MST Sun May 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM MST MONDAY FOR STRONG WINDS...LOW HUMIDITY AND A VERY HIGH FIRE DANGER... * AFFECTED AREA...The southern half of zone 152. * TIMING...The warning is in effect from 11 AM MST through 7 PM MST Monday. * WINDS...South to Southwest winds will increase to 15 to 25 mph with gusts to 40 mph. * RELATIVE HUMIDITY...Will begin to drop below 15 percent by 10 AM MST, and bottom out between 7 and 12 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially across the lower elevation grass/brush areas. * FOR A DETAILED VIEW OF THE HAZARD AREA...Visit weather.gov/Tucson and click on the Detailed Hazards Icon. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
505 WWUS85 KTWC 150100 RFWTWC URGENT - FIRE WEATHER MESSAGE National Weather Service Tucson AZ 600 PM MST Sun May 14 2017 AZZ150-151-150900- /O.EXP.KTWC.FW.W.0010.000000T0000Z-170515T0100Z/ /O.CON.KTWC.FW.W.0011.170515T1800Z-170516T0200Z/ 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- 600 PM MST Sun May 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM MST MONDAY FOR STRONG WINDS...LOW HUMIDITY AND VERY HIGH FIRE DANGER...... * AFFECTED AREA...The warning is in effect for the eastern half of zone 150, nearly all of 151 and the southern half of zone 152. * TIMING...Monday 11 AM through 7 PM MST. * WINDS...South to Southwest winds will 15 to 25 mph with gusts to 40 mph Monday afternoon. * RELATIVE HUMIDITY...Will drop to 15 percent by roughly 10 AM MST, and bottom out between 9 and 15 percent in the afternoon. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially across the lower elevation grass/brush areas. * 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. && $$ AZZ152-150900- /O.CON.KTWC.FW.W.0011.170515T1800Z-170516T0200Z/ Arizona Fire Weather Zone 152 Southern Greenlee County-Central and Eastern Cochise County- Southern Graham County-Southern San Carlos Apache Nation- 600 PM MST Sun May 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM MST MONDAY FOR STRONG WINDS...LOW HUMIDITY AND A VERY HIGH FIRE DANGER... * AFFECTED AREA...The southern half of zone 152. * TIMING...The warning is in effect from 11 AM MST through 7 PM MST Monday. * WINDS...South to Southwest winds will increase to 15 to 25 mph with gusts to 40 mph. * RELATIVE HUMIDITY...Will begin to drop below 15 percent by 10 AM MST, and bottom out between 7 and 12 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly, especially across the lower elevation grass/brush areas. * FOR A DETAILED VIEW OF THE HAZARD AREA...Visit weather.gov/Tucson and click on the Detailed Hazards Icon. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fire crews in the field of the Red Flag Warning for portions of Southeast Arizona. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 2:34 AM MST | Red Flag Warning | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 40 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.