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Tropical Center

Red Flag Warning

Status

Event Continued Active alert

Start Time

Thu 06/19/2025 10:51 PM EDT

End Time

Sat 06/21/2025 12:00 AM EDT

Significance

Warning

Impacts

High impact

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 851 PM MDT Thu Jun 19 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 478... * AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 4 to 9 percent. * OVERNIGHT RECOVERY...15 to 20 percent mainly I-80 and south...20 to 30 percent north of I-80. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are expected. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Technical Header

UTZ478-202100- /O.CON.KSLC.FW.W.0002.000000T0000Z-250621T0400Z/ Salt Lake Desert- 851 PM MDT Thu Jun 19 2025