Alert archive / Utah / Red Flag Warnings in 2014
Red Flag Warning 3, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this red flag warning at May 17, 2014, 2:09 PM MDT for Washington County, Utah. It took effect at May 18, 2014, 11:00 AM MDT. It was in force for 10 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 17, 2014, 2:09 PM MDT (20:09 UTC)
- In effect from
- May 18, 2014, 11:00 AM MDT
- Expired
- May 18, 2014, 9:00 PM MDT
- In force
- 10 hr
- Issued by
- NWS Salt Lake City, UT
County Washington County, UT
The radar
The Cedar City radar (KICX), 66 km from the middle of the area, began a volume at 20:08 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 12:00Z, 8.2 hours before the alert went out and 207 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
- 4666 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
750 WWUS85 KSLC 172009 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 209 PM MDT SAT MAY 17 2014 UTZ497-181130- /O.UPG.KSLC.FW.A.0002.140518T1700Z-140519T0300Z/ /O.NEW.KSLC.FW.W.0003.140518T1700Z-140519T0300Z/ MOJAVE DESERT- 209 PM MDT SAT MAY 17 2014 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 9 PM MDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 497 MOJAVE DESERT. * WINDS...SOUTHWEST WINDS GUSTING ABOVE 30 MPH WILL DEVELOP SUNDAY AFTERNOON AND CONTINUE INTO THE EVENING. * RELATIVE HUMIDITY...HUMIDITY VALUES WILL DROP BELOW TEN PERCENT SUNDAY AFTERNOON. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY IS EXPECTED TO CREATE HAZARDOUS FIRE WEATHER CONDITIONS WHERE FUELS ARE CRITICALLY DRY. 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. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
3 follow-up statements
752 WWUS85 KSLC 180925 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 325 AM MDT SUN MAY 18 2014 UTZ497-181730- /O.CON.KSLC.FW.W.0003.140518T1700Z-140519T0300Z/ MOJAVE DESERT- 325 AM MDT SUN MAY 18 2014 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... * AFFECTED AREA...FIRE WEATHER ZONE 497 MOJAVE DESERT. * WINDS...SOUTHWEST WINDS GUSTING ABOVE 30 MPH WILL DEVELOP THIS AFTERNOON AND CONTINUE INTO THE EVENING. * RELATIVE HUMIDITY...HUMIDITY VALUES WILL DROP BELOW TEN PERCENT SUNDAY AFTERNOON. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY IS EXPECTED TO CREATE HAZARDOUS FIRE WEATHER CONDITIONS WHERE FUELS ARE CRITICALLY DRY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
914 WWUS85 KSLC 181815 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1215 PM MDT SUN MAY 18 2014 UTZ497-190300- /O.CON.KSLC.FW.W.0003.000000T0000Z-140519T0300Z/ MOJAVE DESERT- 1215 PM MDT SUN MAY 18 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... * AFFECTED AREA...FIRE WEATHER ZONE 497 MOJAVE DESERT. * WINDS...SOUTHWEST WINDS GUSTING ABOVE 30 MPH WILL CONTINUE INTO THE EVENING THEN DIMINISH. * RELATIVE HUMIDITY...HUMIDITY VALUES WILL FALL TO TEN PERCENT OR LOWER AND REMAIN LOW THROUGH THE AFTERNOON INTO THIS EVENING. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY IS CREATING HAZARDOUS FIRE WEATHER CONDITIONS WHERE FUELS ARE CRITICALLY DRY. 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. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
835 WWUS85 KSLC 190249 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 849 PM MDT SUN MAY 18 2014 UTZ497-190400- /O.EXP.KSLC.FW.W.0003.000000T0000Z-140519T0300Z/ MOJAVE DESERT- 849 PM MDT SUN MAY 18 2014 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... WINDS ARE DECREASING THIS EVENING ACROSS FAR SOUTHWEST UTAH...SO THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AS PLANNED AT 9 PM MDT. SOME STRONGER GUSTS MAY CONTINUE THROUGH MIDNIGHT...BUT IN GENERAL WINDS SHOULD DECREASE THROUGH THE NIGHTTIME HOURS. GUSTY WINDS AND LOW RELATIVE HUMIDITIES ARE POSSIBLE MONDAY AND TUESDAY AS WELL...BUT WINDS SHOULD BE A LITTLE LIGHTER THAN WHAT OCCURRED ON SUNDAY. $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
Nearby
Red Flag Warnings in Utah, 2014Every red flag warning in 2014
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.