Alert archive / Utah / Red Flag Warnings in 2012
Red Flag Warning 8, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this red flag warning at May 17, 2012, 9:59 AM MDT for Grand County, San Juan County, Utah. It was in force for 35 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, 2012, 9:59 AM MDT (15:59 UTC)
- Expired
- May 18, 2012, 8:39 PM MDT
- In force
- 35 hr
- Issued by
- NWS Salt Lake City, UT
Counties Grand County, UT, San Juan County, UT
The radar
The Grand Junction radar (KGJX), 153 km from the middle of the area, began a volume at 15:56 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
Grand Junction, CO (KGJT), launched 12:00Z, 4.0 hours before the alert went out and 138 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
- 2140 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
123 WWUS85 KSLC 171559 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 959 AM MDT THU MAY 17 2012 UTZ490-491-180000- /O.CAN.KSLC.FW.W.0007.000000T0000Z-120519T0400Z/ /O.NEW.KSLC.FW.W.0008.120517T1600Z-120519T0400Z/ COLORADO RIVER BASIN-SOUTHEAST UTAH- 959 AM MDT THU MAY 17 2012 ...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 490 AND 491 BELOW 6000 FEET... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FRIDAY FOR FIRE WEATHER ZONES 490 AND 491 BELOW 6000 FEET FOR WIND AND LOW RELATIVE HUMIDITY. * AFFECTED AREA...FIRE WEATHER ZONE 490 COLORADO RIVER BASIN BELOW 6000 FEET AND FIRE WEATHER ZONE 491 SOUTHEAST UTAH BELOW 6000 FEET. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH THIS AFTERNOON. WINDS WILL DIMINISH TONIGHT THEN PICK UP AGAIN FRIDAY IN THE 20 TO 30 MPH RANGE. THERE WILL BE A SHARP WIND SHIFT TO NORTHWEST FRIDAY AFTERNOON WITH A COLD FRONT AND WINDS WILL STAY STRONG THEN DIMINISH IN THE EVENING. * RELATIVE HUMIDITY...AS LOW AS 6 PERCENT IN THE AFTERNOON. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHERLY AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE COLORADO RIVER BASIN AND SOUTHEAST UTAH REGIONS TODAY THROUGH FRIDAY EVENING. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ UTZ498-180000- /O.CAN.KSLC.FW.W.0006.000000T0000Z-120519T0400Z/ /O.EXA.KSLC.FW.W.0007.120517T1600Z-120519T0400Z/ GRAND STAIRCASE- 959 AM MDT THU MAY 17 2012 ...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498 BELOW 6000 FEET... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED FLAG WARNING BELOW 6000 FEET FOR WIND AND LOW RELATIVE HUMIDITY... WHICH IS IN EFFECT UNTIL 10 PM MDT FRIDAY. * AFFECTED AREA...FIRE WEATHER ZONE 498 GRAND STAIRCASE BELOW 6000 FEET. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH THIS AFTERNOON. WINDS WILL DIMINISH TONIGHT THEN PICK UP AGAIN FRIDAY WITH SIMILAR SPEEDS. THERE WILL BE A SHARP WIND SHIFT TO NORTHWEST FRIDAY AFTERNOON WITH A COLD FRONT AND WINDS WILL STAY STRONG THEN DIMINISH IN THE EVENING. * RELATIVE HUMIDITY...AS LOW AS 5 PERCENT IN THE AFTERNOON. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHWEST AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE GRAND STAIRCASE REGION TODAY THROUGH FRIDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ UTZ489-494-497-180000- /O.CON.KSLC.FW.W.0007.120517T1600Z-120519T0400Z/ SAN RAFAEL SWELL-CANYONLANDS-MOJAVE DESERT- 959 AM MDT THU MAY 17 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489... 494 AND 497 BELOW 6000 FEET... * AFFECTED AREA...FIRE WEATHER ZONE 489 SAN RAFAEL SWELL BELOW 6000 FEET...FIRE WEATHER ZONE 494 CANYONLANDS BELOW 6000 FEET AND FIRE WEATHER ZONE 497 MOJAVE DESERT BELOW 6000 FEET. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH IN ZONES 489 AND 494 THIS AFTERNOON. SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH IN ZONE 497 THIS AFTERNOON. WINDS WILL DIMINISH TONIGHT THEN PICK UP AGAIN FRIDAY IN THE 20 TO 30 MPH RANGE IN ALL AREAS. THERE WILL BE A SHARP WIND SHIFT TO NORTHWEST FRIDAY AFTERNOON WITH A COLD FRONT AND WINDS WILL STAY STRONG THEN DIMINISH IN THE EVENING. * RELATIVE HUMIDITY...AS LOW AS 7 PERCENT IN THE AFTERNOON. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHERLY AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE SAN RAFAEL SWELL...THE CANYONLANDS AND THE MOJAVE DESERT REGIONS THIS AFTERNOON THROUGH FRIDAY EVENING. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
4 follow-up statements
602 WWUS85 KSLC 172132 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 332 PM MDT THU MAY 17 2012 UTZ489-494-497-498-181130- /O.CON.KSLC.FW.W.0007.000000T0000Z-120519T0400Z/ SAN RAFAEL SWELL-CANYONLANDS-MOJAVE DESERT-GRAND STAIRCASE- 332 PM MDT THU MAY 17 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 494 497 AND 498 BELOW 6000 FEET... * AFFECTED AREA...FIRE WEATHER ZONE 489 SAN RAFAEL SWELL BELOW 6000 FEET...FIRE WEATHER ZONE 494 CANYONLANDS BELOW 6000 FEET... FIRE WEATHER ZONE 497 MOJAVE DESERT BELOW 6000 FEET AND FIRE WEATHER ZONE 498 GRAND STAIRCASE BELOW 6000 FEET. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH IN ZONES 489 AND 494 THIS EVENING. SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH IN ZONE 497 AND 498 THIS EVENING. WINDS WILL DIMINISH TONIGHT THEN PICK UP AGAIN FRIDAY IN THE 20 TO 30 MPH RANGE IN ALL AREAS. THERE WILL BE A SHARP WIND SHIFT TO NORTHWEST FRIDAY AFTERNOON WITH A COLD FRONT AND WINDS WILL STAY STRONG THEN DIMINISH IN THE EVENING. * RELATIVE HUMIDITY...AS LOW AS 7 PERCENT IN THE AFTERNOON. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHERLY AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE SAN RAFAEL SWELL...THE CANYONLANDS...THE GRAND STAIRCASE AND THE MOJAVE DESERT REGIONS THIS EVENING THROUGH FRIDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ UTZ490-491-181130- /O.CON.KSLC.FW.W.0008.000000T0000Z-120519T0400Z/ COLORADO RIVER BASIN-SOUTHEAST UTAH- 332 PM MDT THU MAY 17 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 490 AND 491 BELOW 6000 FEET... * AFFECTED AREA...FIRE WEATHER ZONE 490 COLORADO RIVER BASIN BELOW 6000 FEET AND FIRE WEATHER ZONE 491 SOUTHEAST UTAH BELOW 6000 FEET. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH THIS EVENING. WINDS WILL DIMINISH TONIGHT THEN PICK UP AGAIN FRIDAY IN THE 20 TO 30 MPH RANGE. THERE WILL BE A SHARP WIND SHIFT TO NORTHWEST FRIDAY AFTERNOON AND EARLY EVENING WITH A COLD FRONT AND WINDS WILL STAY STRONG FOR A TIME THEN DIMINISH LATER IN THE EVENING. * RELATIVE HUMIDITY...AS LOW AS 6 PERCENT IN THE AFTERNOON. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHERLY AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE COLORADO RIVER BASIN AND SOUTHEAST UTAH REGIONS THIS EVENING THROUGH FRIDAY EVENING. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
730 WWUS85 KSLC 181045 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 445 AM MDT FRI MAY 18 2012 UTZ489-494-497-498-181845- /O.CON.KSLC.FW.W.0007.000000T0000Z-120519T0400Z/ SAN RAFAEL SWELL-CANYONLANDS-MOJAVE DESERT-GRAND STAIRCASE- 445 AM MDT FRI MAY 18 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 494 497 AND 498 BELOW 6000 FEET... * AFFECTED AREA...FIRE WEATHER ZONE 489 SAN RAFAEL SWELL BELOW 6000 FEET...FIRE WEATHER ZONE 494 CANYONLANDS BELOW 6000 FEET... FIRE WEATHER ZONE 497 MOJAVE DESERT BELOW 6000 FEET AND FIRE WEATHER ZONE 498 GRAND STAIRCASE BELOW 6000 FEET. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH IN ZONES 489 AND 494 THIS EVENING. SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH IN ZONE 497 AND 498 THIS EVENING. WINDS WILL DIMINISH TONIGHT THEN PICK UP AGAIN FRIDAY IN THE 20 TO 30 MPH RANGE IN ALL AREAS. THERE WILL BE A SHARP WIND SHIFT TO NORTHWEST FRIDAY AFTERNOON WITH A COLD FRONT AND WINDS WILL STAY STRONG THEN DIMINISH IN THE EVENING. * RELATIVE HUMIDITY...AS LOW AS 7 PERCENT IN THE AFTERNOON. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHERLY AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE SAN RAFAEL SWELL...THE CANYONLANDS...THE GRAND STAIRCASE AND THE MOJAVE DESERT REGIONS THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ UTZ490-491-181845- /O.CON.KSLC.FW.W.0008.000000T0000Z-120519T0400Z/ COLORADO RIVER BASIN-SOUTHEAST UTAH- 445 AM MDT FRI MAY 18 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 490 AND 491 BELOW 6000 FEET... * AFFECTED AREA...FIRE WEATHER ZONE 490 COLORADO RIVER BASIN BELOW 6000 FEET AND FIRE WEATHER ZONE 491 SOUTHEAST UTAH BELOW 6000 FEET. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH THIS EVENING. WINDS WILL DIMINISH TONIGHT THEN PICK UP AGAIN FRIDAY IN THE 20 TO 30 MPH RANGE. THERE WILL BE A SHARP WIND SHIFT TO NORTHWEST FRIDAY AFTERNOON AND EARLY EVENING WITH A COLD FRONT AND WINDS WILL STAY STRONG FOR A TIME THEN DIMINISH LATER IN THE EVENING. * RELATIVE HUMIDITY...AS LOW AS 6 PERCENT IN THE AFTERNOON. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHERLY AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE COLORADO RIVER BASIN AND SOUTHEAST UTAH REGIONS THROUGH THIS EVENING. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
721 WWUS85 KSLC 182045 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 245 PM MDT FRI MAY 18 2012 UTZ489-494-497-498-190400- /O.CON.KSLC.FW.W.0007.000000T0000Z-120519T0400Z/ SAN RAFAEL SWELL-CANYONLANDS-MOJAVE DESERT-GRAND STAIRCASE- 245 PM MDT FRI MAY 18 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489...494...497 AND 498 BELOW 6000 FEET... * AFFECTED AREA...FIRE WEATHER ZONE 489 SAN RAFAEL SWELL BELOW 6000 FEET...FIRE WEATHER ZONE 494 CANYONLANDS BELOW 6000 FEET... FIRE WEATHER ZONE 497 MOJAVE DESERT BELOW 6000 FEET AND FIRE WEATHER ZONE 498 GRAND STAIRCASE BELOW 6000 FEET. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHERLY AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE SAN RAFAEL SWELL...THE CANYONLANDS...THE GRAND STAIRCASE AND THE MOJAVE DESERT REGIONS THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ UTZ490-491-190400- /O.CON.KSLC.FW.W.0008.000000T0000Z-120519T0400Z/ COLORADO RIVER BASIN-SOUTHEAST UTAH- 245 PM MDT FRI MAY 18 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 490 AND 491 BELOW 6000 FEET... * AFFECTED AREA...FIRE WEATHER ZONE 490 COLORADO RIVER BASIN BELOW 6000 FEET AND FIRE WEATHER ZONE 491 SOUTHEAST UTAH BELOW 6000 FEET. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * IMPACTS...THE COMBINATION OF DRY FUELS...LOW RELATIVE HUMIDITIES AND GUSTY SOUTHERLY AND SHIFTING WINDS WILL RESULT IN HAZARDOUS FIRE WEATHER CONDITIONS ACROSS THE COLORADO RIVER BASIN AND SOUTHEAST UTAH REGIONS THROUGH THIS EVENING. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
323 WWUS85 KSLC 190239 RFWSLC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 839 PM MDT FRI MAY 18 2012 UTZ489-494-497-498-190345- /O.CAN.KSLC.FW.W.0007.000000T0000Z-120519T0400Z/ SAN RAFAEL SWELL-CANYONLANDS-MOJAVE DESERT-GRAND STAIRCASE- 839 PM MDT FRI MAY 18 2012 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489...494...497 AND 498... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE RED FLAG WARNING. HUMIDITIES CONTINUE TO INCREASE BEHIND A DEPARTING COLD FRONT...AND AS WINDS CONTINUE TO DIMINISH THROUGH THE REMAINDER OF THE EVENING CRITICAL FIRE WEATHER CRITERIA IS NO LONGER BEING MET. $$ UTZ490-491-190345- /O.CAN.KSLC.FW.W.0008.000000T0000Z-120519T0400Z/ COLORADO RIVER BASIN-SOUTHEAST UTAH- 839 PM MDT FRI MAY 18 2012 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 490 AND 491... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE RED FLAG WARNING. HUMIDITIES CONTINUE TO INCREASE BEHIND A DEPARTING COLD FRONT...AND AS WINDS CONTINUE TO DIMINISH THROUGH THE REMAINDER OF THE EVENING CRITICAL FIRE WEATHER CRITERIA IS NO LONGER BEING MET. $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 4:22 AM MDT | Wind Advisory | SLC | 18 hr |
Nearby
Red Flag Warnings in Utah, 2012Every red flag warning in 2012
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.