Alert archive / Arizona / Red Flag Warnings in 2018
Red Flag Warning 13, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at Jun 23, 2018, 3:14 AM MST for Mohave County, Arizona. It took effect at Jun 23, 2018, 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
- Jun 23, 2018, 3:14 AM MST (10:14 UTC)
- In effect from
- Jun 23, 2018, 11:00 AM MST
- Expired
- Jun 23, 2018, 8:00 PM MST
- In force
- 9 hr
- Issued by
- NWS Las Vegas, NV
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 102 km from the middle of the area, began a volume at 10:17 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
Las Vegas, NV (KVEF), launched 00:00Z, 10.2 hours before the alert went out and 177 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
- 4743 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
642 WWUS85 KVEF 231014 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 314 AM PDT Sat Jun 23 2018 AZZ102-232200- /O.NEW.KVEF.FW.W.0013.180623T1800Z-180624T0300Z/ Northwest Deserts/Northwest Plateau- 314 AM MST Sat Jun 23 2018 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 102... The National Weather Service in Las Vegas has issued a Red Flag Warning, which is in effect from 11 AM this morning to 8 PM MST this evening. * AFFECTED AREA...In Arizona...Fire weather zone 102. * TIMING...11 am MST to 8 pm MST. * WIND...Southwest 15 to 20 mph, gusts to 40 mph. * HUMIDITY...5 to 10 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ weather.gov/lasvegas
2 follow-up statements
179 WWUS85 KVEF 232051 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 151 PM PDT Sat Jun 23 2018 AZZ102-240300- /O.CON.KVEF.FW.W.0013.000000T0000Z-180624T0300Z/ Northwest Deserts/Northwest Plateau- 151 PM MST Sat Jun 23 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 102... * AFFECTED AREA...In Arizona...Fire weather zone 102. * TIMING...11 am MST to 8 pm MST. * WIND...Southwest 15 to 20 mph, gusts to 40 mph. * HUMIDITY...5 to 10 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Morgan weather.gov/lasvegas
170 WWUS85 KVEF 240257 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 757 PM PDT Sat Jun 23 2018 AZZ102-240400- /O.EXP.KVEF.FW.W.0013.000000T0000Z-180624T0300Z/ Northwest Deserts/Northwest Plateau- 757 PM MST Sat Jun 23 2018 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING FOR FIRE WEATHER ZONE 102... Winds were beginning to decrease and relative humidity was increasing this evening. The Red Flag Warning will be allowed to expire. $$ weather.gov/lasvegas
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.