Alert archive / Colorado / Red Flag Warnings in 2012
Red Flag Warning 28, NWS Grand Junction, CO
NWS Grand Junction, CO issued this red flag warning at Jun 23, 2012, 11:26 AM MDT for 14 counties in Colorado; Grand County, Uintah County, Utah. It took effect at Jun 24, 2012, 10:00 AM MDT. It was in force for 12 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, 2012, 11:26 AM MDT (17:26 UTC)
- In effect from
- Jun 24, 2012, 10:00 AM MDT
- Expired
- Jun 24, 2012, 9:46 PM MDT
- In force
- 12 hr
- Issued by
- NWS Grand Junction, CO
Counties Delta County, CO, Dolores County, CO, Garfield County, CO, Gunnison County, CO, Hinsdale County, CO, La Plata County, CO, Mesa County, CO, Moffat County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, Rio Blanco County, CO, Routt County, CO, San Miguel County, CO, Grand County, UT, Uintah County, UT
The radar
The Grand Junction radar (KGJX), 28 km from the middle of the area, began a volume at 17:30 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, 5.4 hours before the alert went out and 46 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
- 4799 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
113 WWUS85 KGJT 231726 RFWGJT URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND JUNCTION CO 1126 AM MDT SAT JUN 23 2012 ...RED FLAG WARNING IS IN EFFECT FOR NORTHEAST UTAH ZONES 480... 481...482...483...484...485...486...487 AND COLORADO ZONES 200... 201...202...203...290...291...292 AND 293 UNTIL 9 PM THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY...AND DRY FUELS... ...RED FLAG WARNING IS IN EFFECT FOR NORTHEAST UTAH ZONE 487... AND COLORADO ZONES 201...202...203...290...291...292...293 AND 207 FROM 10 AM TO MIDNIGHT SUNDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... .EASTERN UTAH AND WESTERN COLORADO ARE SANDWICHED BETWEEN A DEEP LOW PRESSURE SYSTEM OFF THE OREGON COAST AND A HIGH PRESSURE RIDGE ON THE HIGH PLAINS. THIS WILL CONTINUE TO PRODUCE HOT AND DRY CONDITIONS ALONG WITH GUSTY SOUTHWEST AFTERNOON WINDS AND CRITICAL FIRE WEATHER CONDITIONS. THIS AFTERNOON...HUMIDITY VALUES WILL BE IN THE SINGLE DIGITS WITH WINDS OF 25 TO 35 MPH WITH HIGHER GUSTS. MOISTURE WILL INCREASE FROM THE SOUTH TONIGHT. BY SUNDAY...DRY THUNDERSTORMS WILL BE POSSIBLE ACROSS MUCH OF SOUTHEAST UTAH AND THE MOUNTAINS OF WESTERN COLORADO. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS AND LITTLE RAINFALL...THOUGH WETTING RAINS ARE POSSIBLE IN THE EASTERN PORTION OF COLORADO ZONES. COZ201>203-290>293-UTZ487-240530- /O.UPG.KGJT.FW.A.0021.120624T1800Z-120625T0300Z/ /O.NEW.KGJT.FW.W.0028.120624T1600Z-120625T0600Z/ /O.CON.KGJT.FW.W.0027.120623T1800Z-120624T0300Z/ ROUTT FORECAST AREA-WHITE RIVER FORECAST AREA- GRAND JUNCTION FORECAST AREA-PARADOX VALLEY FORECAST AREA- NORTHERN SAN JUAN FORECAST AREA-NORTH FORK FORECAST AREA- GUNNISON BASIN FORECAST AREA-EASTERN BOOK CLIFFS- 1126 AM MDT SAT JUN 23 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 201...202...203...290...291...292...293 AND 487... ...RED FLAG WARNING IN EFFECT FROM 10 AM SUNDAY TO MIDNIGHT MDT SUNDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 201...202...203...290...291...292...293 AND 487... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... WHICH IS IN EFFECT FROM 10 AM SUNDAY TO MIDNIGHT MDT SUNDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN COLORADO... FIRE WEATHER ZONE 201 ROUTT FORECAST AREA... FIRE WEATHER ZONE 202 WHITE RIVER FORECAST AREA... FIRE WEATHER ZONE 203 GRAND JUNCTION FORECAST AREA... FIRE WEATHER ZONE 290 PARADOX VALLEY FORECAST AREA... FIRE WEATHER ZONE 291 NORTHERN SAN JUAN FORECAST AREA... FIRE WEATHER ZONE 292 NORTH FORK FORECAST AREA... FIRE WEATHER ZONE 293 GUNNISON BASIN FORECAST AREA. IN UTAH...FIRE WEATHER ZONE 487 EASTERN BOOK CLIFFS. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...7 TO 15 PERCENT TODAY. * THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS SUNDAY 10 AM TO MIDNIGHT WITH AN LAL OF 6. * OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40 MPH POSSIBLE SUNDAY AFTERNOON AND EVENING. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE. 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. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ COZ207-240530- /O.UPG.KGJT.FW.A.0021.120624T1800Z-120625T0300Z/ /O.NEW.KGJT.FW.W.0028.120624T1600Z-120625T0600Z/ DURANGO FORECAST AREA- 1126 AM MDT SAT JUN 23 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM SUNDAY TO MIDNIGHT MDT SUNDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE 207... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... WHICH IS IN EFFECT FROM 10 AM SUNDAY TO MIDNIGHT MDT SUNDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN COLORADO... FIRE WEATHER ZONE 207 DURANGO FORECAST AREA. * THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS SUNDAY 10 AM TO MIDNIGHT WITH AN LAL OF 6. * OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40 MPH POSSIBLE SUNDAY AFTERNOON AND EVENING. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ COZ200-UTZ481>486-240300- /O.CON.KGJT.FW.W.0027.120623T1800Z-120624T0300Z/ LITTLE SNAKE FORECAST AREA-WESTERN ASHLEY NATIONAL FOREST- WESTERN UINTA BASIN-SOUTHERN ASHLEY NATIONAL FOREST- WESTERN BOOK CLIFFS-EASTERN ASHLEY NATIONAL FOREST- EASTERN UINTA BASIN- 1126 AM MDT SAT JUN 23 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 200...481...482...483...484...485 AND 486... * AFFECTED AREA...IN COLORADO... FIRE WEATHER ZONE 200 LITTLE SNAKE FORECAST AREA. IN UTAH... FIRE WEATHER ZONE 481 WESTERN ASHLEY NATIONAL FOREST... FIRE WEATHER ZONE 482 WESTERN UINTA BASIN... FIRE WEATHER ZONE 483 SOUTHERN ASHLEY NATIONAL FOREST... FIRE WEATHER ZONE 484 WESTERN BOOK CLIFFS... FIRE WEATHER ZONE 485 EASTERN ASHLEY NATIONAL FOREST... FIRE WEATHER ZONE 486 EASTERN UINTA BASIN. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...6 TO 11 PERCENT. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE INTO THE EARLY EVENING HOURS. 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. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/GJT
4 follow-up statements
779
WWUS85 KGJT 240301
RFWGJT
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
901 PM MDT SAT JUN 23 2012
...RED FLAG WARNING ALLOWED TO EXPIRE OVER NORTHEAST UTAH ZONES
480...481...482...483...484...485...486...487 AND COLORADO ZONES
200...201...202...203...290...291...292 AND 293...
...RED FLAG WARNING REMAINS IN EFFECT FOR NORTHEAST UTAH ZONE
487...AND COLORADO ZONES 201...202...203...290...291...292...293
AND 207 FROM 10 AM TO MIDNIGHT SUNDAY FOR DRY THUNDERSTORMS AND
GUSTY OUTFLOW WINDS...
.EASTERN UTAH AND WESTERN COLORADO ARE SANDWICHED BETWEEN A DEEP
LOW PRESSURE SYSTEM OFF THE OREGON COAST AND A HIGH PRESSURE
RIDGE ON THE HIGH PLAINS. THIS WILL CONTINUE TO PRODUCE HOT AND
DRY CONDITIONS ALONG WITH GUSTY SOUTHWEST AFTERNOON WINDS AND
CRITICAL FIRE WEATHER CONDITIONS. MOISTURE WILL INCREASE FROM THE
SOUTH TONIGHT. BY SUNDAY...DRY THUNDERSTORMS WILL BE POSSIBLE
ACROSS MUCH OF SOUTHEAST UTAH AND THE MOUNTAINS OF WESTERN
COLORADO. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS AND LITTLE
RAINFALL...THOUGH WETTING RAINS ARE POSSIBLE IN THE EASTERN
PORTION OF COLORADO ZONES.
COZ201>203-290>293-UTZ487-241515-
/O.EXP.KGJT.FW.W.0027.000000T0000Z-120624T0300Z/
/O.CON.KGJT.FW.W.0028.120624T1600Z-120625T0600Z/
ROUTT FORECAST AREA-WHITE RIVER FORECAST AREA-
GRAND JUNCTION FORECAST AREA-PARADOX VALLEY FORECAST AREA-
NORTHERN SAN JUAN FORECAST AREA-NORTH FORK FORECAST AREA-
GUNNISON BASIN FORECAST AREA-EASTERN BOOK CLIFFS-
901 PM MDT SAT JUN 23 2012
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW
WINDS FOR FIRE WEATHER ZONES 201...202...203...290...291...292...
293 AND 487...
...RED FLAG WARNING ALLOWED TO EXPIRE AT 9 PM MDT THIS EVENING FOR
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES
201...202...203...290...291...292...293 AND 487...
* AFFECTED AREA...
IN COLORADO...
FIRE WEATHER ZONE 201 ROUTT FORECAST AREA...
FIRE WEATHER ZONE 202 WHITE RIVER FORECAST AREA...
FIRE WEATHER ZONE 203 GRAND JUNCTION FORECAST AREA...
FIRE WEATHER ZONE 290 PARADOX VALLEY FORECAST AREA...
FIRE WEATHER ZONE 291 NORTHERN SAN JUAN FORECAST AREA...
FIRE WEATHER ZONE 292 NORTH FORK FORECAST AREA AND
FIRE WEATHER ZONE 293 GUNNISON BASIN FORECAST AREA.
IN UTAH...
FIRE WEATHER ZONE 487 EASTERN BOOK CLIFFS.
* WINDS...SOUTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
* RELATIVE HUMIDITY...4 TO 9 PERCENT.
* THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS SUNDAY
10 AM TO MIDNIGHT WITH AN LAL OF 6.
* OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40
MPH POSSIBLE SUNDAY AFTERNOON AND EVENING.
* IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL
WITH VERY HIGH RATES OF SPREAD POSSIBLE.
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.
PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD
PERSONNEL OF THIS RED FLAG WARNING.
&&
$$
COZ200-UTZ481>486-240415-
/O.EXP.KGJT.FW.W.0027.000000T0000Z-120624T0300Z/
LITTLE SNAKE FORECAST AREA-WESTERN ASHLEY NATIONAL FOREST-
WESTERN UINTA BASIN-SOUTHERN ASHLEY NATIONAL FOREST-
WESTERN BOOK CLIFFS-EASTERN ASHLEY NATIONAL FOREST-
EASTERN UINTA BASIN-
901 PM MDT SAT JUN 23 2012
...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR DRY
THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES
200...481...482...483...484...485 AND 486...
DECREASING WINDS AND TEMPERATURES HAVE BROUGHT AN END TO CRITICAL
FIRE WEATHER CONDITIONS THIS EVENING. THEREFORE...THE RED FLAG
WARNING WAS ALLOWED TO EXPIRE.
$$
COZ207-241515-
/O.CON.KGJT.FW.W.0028.120624T1600Z-120625T0600Z/
DURANGO FORECAST AREA-
901 PM MDT SAT JUN 23 2012
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW
WINDS FOR FIRE WEATHER ZONE 207...
* AFFECTED AREA...IN COLORADO...FIRE WEATHER ZONE 207 DURANGO
FORECAST AREA.
* THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS SUNDAY
10 AM TO MIDNIGHT WITH AN LAL OF 6.
* OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40
MPH POSSIBLE SUNDAY AFTERNOON AND EVENING.
* IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL
WITH VERY HIGH RATES OF SPREAD POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.
PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD
PERSONNEL OF THIS RED FLAG WARNING.
&&
$$
FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/GJT (ALL LOWER CASE)736 WWUS85 KGJT 241001 RFWGJT URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND JUNCTION CO 401 AM MDT SUN JUN 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FOR NORTHEAST UTAH ZONE 487...AND COLORADO ZONES 201...202...203...290...291...292...293 AND 207 FROM 10 AM TO MIDNIGHT TODAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... .EASTERN UTAH AND WESTERN COLORADO ARE SANDWICHED BETWEEN A DEEP LOW PRESSURE SYSTEM OFF THE OREGON COAST AND A HIGH PRESSURE RIDGE ON THE HIGH PLAINS. THIS WILL CONTINUE TO PRODUCE HOT AND DRY CONDITIONS ALONG WITH GUSTY SOUTHWEST AFTERNOON WINDS AND CRITICAL FIRE WEATHER CONDITIONS. MOISTURE WILL INCREASE FROM THE SOUTH TODAY WITH DRY THUNDERSTORMS DEVELOPING BY THIS AFTERNOON ACROSS MUCH OF SOUTHEAST UTAH AND THE MOUNTAINS OF WESTERN COLORADO. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS AND LITTLE RAINFALL...THOUGH WETTING RAINS ARE POSSIBLE IN THE EASTERN PORTION OF COLORADO ZONES. COZ201>203-207-290>293-UTZ487-242215- /O.CON.KGJT.FW.W.0028.120624T1600Z-120625T0600Z/ ROUTT FORECAST AREA-WHITE RIVER FORECAST AREA- GRAND JUNCTION FORECAST AREA-DURANGO FORECAST AREA- PARADOX VALLEY FORECAST AREA-NORTHERN SAN JUAN FORECAST AREA- NORTH FORK FORECAST AREA-GUNNISON BASIN FORECAST AREA- EASTERN BOOK CLIFFS- 401 AM MDT SUN JUN 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT MDT TONIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 201...202...203...290...291...292... 293 AND 487... * AFFECTED AREA...IN COLORADO...FIRE WEATHER ZONE 201 ROUTT FORECAST AREA...FIRE WEATHER ZONE 202 WHITE RIVER FORECAST AREA... FIRE WEATHER ZONE 203 GRAND JUNCTION FORECAST AREA... FIRE WEATHER ZONE 207 DURANGO FORECAST AREA...FIRE WEATHER ZONE 290 PARADOX VALLEY FORECAST AREA...FIRE WEATHER ZONE 291 NORTHERN SAN JUAN FORECAST AREA...FIRE WEATHER ZONE 292 NORTH FORK FORECAST AREA AND FIRE WEATHER ZONE 293 GUNNISON BASIN FORECAST AREA. IN UTAH... FIRE WEATHER ZONE 487 EASTERN BOOK CLIFFS. * WINDS...SOUTH 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS FROM 10 AM TO MIDNIGHT WITH AN LAL OF 6. * OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40 MPH POSSIBLE SUNDAY AFTERNOON AND EVENING. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE. 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. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/GJT (ALL LOWER CASE)
964 WWUS85 KGJT 241730 RFWGJT URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND JUNCTION CO 1130 AM MDT SUN JUN 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FOR NORTHEAST UTAH ZONE 487...AND COLORADO ZONES 201...202...203...290...291...292... 293 AND 207 THROUGH MIDNIGHT TONIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... ...RED FLAG WARNING HAS BEEN ISSUED FOR NORTHEAST UTAH ZONES 480...481...482...483...484...485...486...487 AND COLORADO ZONES 200...201...202...AND THE EASTERN PORTION OF 203 FROM NOON TO MIDNIGHT MONDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... .EASTERN UTAH AND WESTERN COLORADO ARE SANDWICHED BETWEEN A DEEP LOW PRESSURE SYSTEM OFF THE OREGON COAST AND A HIGH PRESSURE RIDGE ON THE HIGH PLAINS. THIS WILL CONTINUE TO PRODUCE HOT AND DRY CONDITIONS ALONG WITH GUSTY SOUTHWEST AFTERNOON WINDS AND CRITICAL FIRE WEATHER CONDITIONS. MOISTURE WILL CONTINUE TO INCREASE FROM THE SOUTH TODAY AND TONIGHT WITH DRY THUNDERSTORMS POSSIBLE TODAY ACROSS MUCH OF SOUTHEAST UTAH AND THE MOUNTAINS OF WESTERN COLORADO. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS AND LITTLE RAINFALL...THOUGH WETTING RAINS ARE POSSIBLE IN THE EASTERN PORTION OF COLORADO ZONES. MONDAY THE DEEPER MOISTURE IS OVER EASTERN UTAH AND NORTHWESTERN COLORADO PRODUCING THE GREATEST LIGHTNING THREAT. COZ201>203-UTZ487-250530- /O.NEW.KGJT.FW.W.0029.120625T1800Z-120626T0600Z/ /O.CON.KGJT.FW.W.0028.000000T0000Z-120625T0600Z/ ROUTT FORECAST AREA-WHITE RIVER FORECAST AREA- GRAND JUNCTION FORECAST AREA-EASTERN BOOK CLIFFS- 1130 AM MDT SUN JUN 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 201...202...203...290...291...292...293 AND 487... ...RED FLAG WARNING IN EFFECT FROM NOON MONDAY TO MIDNIGHT MDT MONDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 201...202...203 AND 487... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... WHICH IS IN EFFECT FROM NOON MONDAY TO MIDNIGHT MDT MONDAY NIGHT. * AFFECTED AREA...IN COLORADO... FIRE WEATHER ZONE 201 ROUTT FORECAST AREA... FIRE WEATHER ZONE 202 WHITE RIVER FORECAST AREA... FIRE WEATHER ZONE 203 GRAND JUNCTION FORECAST AREA. IN UTAH... FIRE WEATHER ZONE 487 EASTERN BOOK CLIFFS. * WINDS...SOUTH 5 TO 15 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...9 TO 14 PERCENT. * THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS THROUGH MIDNIGHT AND AGAIN MONDAY NOON TO MIDNIGHT WITH AN LAL OF 6. * OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40 MPH POSSIBLE SUNDAY AND MONDAY AFTERNOON AND EVENING. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE. 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. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ COZ200-UTZ481>486-250530- /O.NEW.KGJT.FW.W.0029.120625T1800Z-120626T0600Z/ LITTLE SNAKE FORECAST AREA-WESTERN ASHLEY NATIONAL FOREST- WESTERN UINTA BASIN-SOUTHERN ASHLEY NATIONAL FOREST- WESTERN BOOK CLIFFS-EASTERN ASHLEY NATIONAL FOREST- EASTERN UINTA BASIN- 1130 AM MDT SUN JUN 24 2012 ...RED FLAG WARNING IN EFFECT FROM NOON MONDAY TO MIDNIGHT MDT MONDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 200...481...482...483...484...485 AND 486... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... WHICH IS IN EFFECT FROM NOON TO MIDNIGHT MDT MONDAY. * AFFECTED AREA...IN COLORADO... FIRE WEATHER ZONE 200 LITTLE SNAKE FORECAST AREA. IN UTAH... FIRE WEATHER ZONE 481 WESTERN ASHLEY NATIONAL FOREST... FIRE WEATHER ZONE 482 WESTERN UINTA BASIN... FIRE WEATHER ZONE 483 SOUTHERN ASHLEY NATIONAL FOREST... FIRE WEATHER ZONE 484 WESTERN BOOK CLIFFS... FIRE WEATHER ZONE 485 EASTERN ASHLEY NATIONAL FOREST... FIRE WEATHER ZONE 486 EASTERN UINTA BASIN. * THUNDERSTORMS...SOLATED TO SCATTERED DRY THUNDERSTORMS NOON THROUGH MIDNIGHT MONDAY WITH AN LAL OF 6. * OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40 MPH POSSIBLE MONDAY AFTERNOON AND EVENING. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE. 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. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ COZ207-290>293-250530- /O.CON.KGJT.FW.W.0028.000000T0000Z-120625T0600Z/ DURANGO FORECAST AREA-PARADOX VALLEY FORECAST AREA- NORTHERN SAN JUAN FORECAST AREA-NORTH FORK FORECAST AREA- GUNNISON BASIN FORECAST AREA- 1130 AM MDT SUN JUN 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 201...202...203...290...291...292...293 AND 487... * AFFECTED AREA...IN COLORADO... FIRE WEATHER ZONE 207 DURANGO FORECAST AREA... FIRE WEATHER ZONE 290 PARADOX VALLEY FORECAST AREA... FIRE WEATHER ZONE 291 NORTHERN SAN JUAN FORECAST AREA... FIRE WEATHER ZONE 292 NORTH FORK FORECAST AREA... FIRE WEATHER ZONE 293 GUNNISON BASIN FORECAST AREA. * RELATIVE HUMIDITY...11 TO 16 PERCENT. * THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS THROUGH MIDNIGHT TONIGHT AND AGAIN ON MONDAY NOON TO MIDNIGHT WITH AN LAL OF 6. * OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40 MPH POSSIBLE SUNDAY AND MONDAY AFTERNOON AND EVENING. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/GJT
883 WWUS85 KGJT 250346 RFWGJT URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND JUNCTION CO 946 PM MDT SUN JUN 24 2012 ...RED FLAG WARNING HAS BEEN ISSUED FOR NORTHEAST UTAH ZONES 480...481...482...483...484...485...486...487 AND COLORADO ZONES 200...201...202...AND THE EASTERN PORTION OF 203 FROM NOON TO MIDNIGHT MONDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... .EASTERN UTAH AND WESTERN COLORADO WILL REMAIN SANDWICHED BETWEEN A DEEP LOW PRESSURE SYSTEM OFF THE OREGON COAST AND A HIGH PRESSURE RIDGE ON THE HIGH PLAINS THROUGH MONDAY EVENING. THIS WILL CONTINUE TO PRODUCE HOT AND DRY CONDITIONS WITH ISOLATED TO SCATTERED DRY THUNDERSTORMS FORMING OVER THE HIGHER TERRAIN BY THE MID AFTERNOON HOURS. IT IS MORE LIKELY THAT ANY STORM THAT FORMS ON MONDAY WILL PRODUCE STRONG GUSTY WINDS THAN SIGNIFICANT RAINFALL. BY TOMORROW AFTERNOON THE DEEPER MOISTURE WILL SHIFT OVER EASTERN UTAH AND NORTHWESTERN COLORADO PRODUCING THE GREATEST LIGHTNING THREAT AND IS WHERE RED FLAG WARNINGS ARE IN EFFECT. COZ201>203-UTZ487-251800- /O.CAN.KGJT.FW.W.0028.000000T0000Z-120625T0600Z/ /O.CON.KGJT.FW.W.0029.120625T1800Z-120626T0600Z/ ROUTT FORECAST AREA-WHITE RIVER FORECAST AREA- GRAND JUNCTION FORECAST AREA-EASTERN BOOK CLIFFS- 946 PM MDT SUN JUN 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON MONDAY TO MIDNIGHT MDT MONDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 201...202...203...290...291...292... 293 AND 487... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS CANCELLED THE RED FLAG WARNING IN EFFECT FOR SUNDAY EVENING...THE RED FLAG WARNING FOR MONDAY AFTERNOON AND EVENING REMAIN IS EFFECT. * AFFECTED AREA...IN COLORADO...FIRE WEATHER ZONE 201 ROUTT FORECAST AREA...FIRE WEATHER ZONE 202 WHITE RIVER FORECAST AREA AND FIRE WEATHER ZONE 203 GRAND JUNCTION FORECAST AREA. IN UTAH...FIRE WEATHER ZONE 487 EASTERN BOOK CLIFFS. * WINDS...MONDAY AFTERNOON...SOUTH 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY...MONDAY AFTERNOON TO EARLY EVENING...7 TO 12 PERCENT. * THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS DEVELOPING MONDAY AFTERNOON AND EVENING WITH AN LAL OF 6. * OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40 MPH POSSIBLE SUNDAY AND MONDAY AFTERNOON AND EVENING. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE. 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. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ COZ207-290>293-250500- /O.CAN.KGJT.FW.W.0028.000000T0000Z-120625T0600Z/ DURANGO FORECAST AREA-PARADOX VALLEY FORECAST AREA- NORTHERN SAN JUAN FORECAST AREA-NORTH FORK FORECAST AREA- GUNNISON BASIN FORECAST AREA- 946 PM MDT SUN JUN 24 2012 ...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 201...202...203...290... 291...292...293 AND 487... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS CANCELLED THE RED FLAG WARNING IN EFFECT FOR SUNDAY EVENING. THE THREAT OF A DEVELOPING THUNDERSTORM HAS DECREASED SIGNIFICANTLY WITH SUNSET THIS EVENING. ISOLATED SHOWERS MAY STILL DRIFT ACROSS WESTERN COLORADO AND NORTHEAST UTAH UNTIL THE EARLY MORNING HOURS BUT THE THREAT OF STRONG WINDS GUSTS REACHING THE GROUND DUE TO THE DEVELOPMENT OF SURFACE INVERSIONS SEEMS UNLIKELY. $$ COZ200-UTZ481>486-251800- /O.CON.KGJT.FW.W.0029.120625T1800Z-120626T0600Z/ LITTLE SNAKE FORECAST AREA-WESTERN ASHLEY NATIONAL FOREST- WESTERN UINTA BASIN-SOUTHERN ASHLEY NATIONAL FOREST- WESTERN BOOK CLIFFS-EASTERN ASHLEY NATIONAL FOREST- EASTERN UINTA BASIN- 946 PM MDT SUN JUN 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON MONDAY TO MIDNIGHT MDT MONDAY NIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 200...481...482...483...484... 485 AND 486... * AFFECTED AREA...IN COLORADO...FIRE WEATHER ZONE 200 LITTLE SNAKE FORECAST AREA. IN UTAH...FIRE WEATHER ZONE 481 WESTERN ASHLEY NATIONAL FOREST...FIRE WEATHER ZONE 482 WESTERN UINTA BASIN...FIRE WEATHER ZONE 483 SOUTHERN ASHLEY NATIONAL FOREST... FIRE WEATHER ZONE 484 WESTERN BOOK CLIFFS...FIRE WEATHER ZONE 485 EASTERN ASHLEY NATIONAL FOREST AND FIRE WEATHER ZONE 486 EASTERN UINTA BASIN. * WINDS...MONDAY AFTERNOON...SOUTH 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY...MONDAY AFTERNOON TO EARLY EVENING...7 TO 12 PERCENT. * THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS NOON THROUGH MIDNIGHT MONDAY WITH AN LAL OF 6. * OUTFLOW WINDS...STRONG AND ERRATIC OUTFLOW WIND GUSTS TO 40 MPH POSSIBLE MONDAY AFTERNOON AND EVENING. * IMPACTS...ANY FIRE IGNITIONS MAY BECOME DIFFICULT TO CONTROL WITH VERY HIGH RATES OF SPREAD POSSIBLE. 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. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND AFFECTED FIELD PERSONNEL OF THIS RED FLAG WARNING. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/GJT (ALL LOWER CASE)
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before this red flag warning went out at Jun 23, 10:40 AM MDT, 46 minutes earlier.
Area forecast discussion, Jun 23, 10:40 AM MDT, 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1040 AM MDT SAT JUN 23 2012
.UPDATE...
ISSUED AT 1039 AM MDT SAT JUN 23 2012
AS WAS THE CASE YESTERDAY...MESOWEST SHOWING WINDS PICKING UP
NORTH OF INTERSTATE 70 THIS MORNING AND HUMIDITIES ACROSS MOST OF
THE FORECAST AREA BELOW 15 PERCENT. RED FLAG LOOKS GOOD FOR
REMAINDER OF TODAY. MODELS CONTINUE TO HIGHLIGHT THE CHANCE FOR
SOME CONVECTION OVER THE SAN JUANS REACHING NORTHWARDS TO THE
CENTRAL MOUNTAINS WHICH GRIDS HIGHLIGHT NICELY SO NO CHANGES THERE
EITHER. WILL KEEP EYE ON GUSTS TO SEE WHETHER ANOTHER WIND
ADVISORY WILL BE NEEDED THIS AFTERNOON. ASIDE FROM THAT...THE HEAT
CONTINUES WITH TRIPLE DIGITS BEING COMMON TODAY FOR MANY VALLEY
LOCATIONS.
&&
.SHORT TERM...(TODAY THROUGH MONDAY NIGHT)
ISSUED AT 350 AM MDT SAT JUN 23 2012
ANOTHER HOT...DRY AND WINDY DAY IN STORE FOR THE MAJORITY OF THE
FORECAST AREA. MEAN FLOW WILL REMAIN OUT OF THE SOUTHWEST WITH
TEMPS RETURNING INTO THE TRIPLE DIGITS FOR MANY OF THE LOWER
VALLEYS LOCATIONS IN SOUTHEAST UTAH AND WEST CENTRAL COLORADO.
SLIGHT INCREASE IN MID LEVEL MOISTURE EXPECTED ACROSS THE SAN
JUANS WHERE OUTFLOW BANDS FROM NEW MEXICO CONVECTION ON SATURDAY
WILL BE DRIFTING NORTHWARD. THIS SHOULD BE ENOUGH TO TRIGGER A FEW
HIGH BASED STORMS LATE THIS AFTERNOON...WITH GUSTY OUTFLOW WINDS
AND LITTLE IF ANY RAIN. OTHERWISE...IT WILL BE A DRY DAY WITH NEAR
RECORD HEAT IN A FEW AREAS.
BY TONIGHT...THE UPPER LEVEL HIGH WILL BE BUILDING OVER THE TEXAS
PANHANDLE REGION WHILE ALSO AMPLIFYING NORTHWARD ALONG THE HIGH
PLAINS. THIS AMPLIFICATION WILL BE DUE TO ENERGY DIGGING INTO THE
GREAT LAKES TO THE EAST AND THE PACIFIC JET ROUNDING THE BASE OF
THE STORM TO THE WEST. THIS WILL BRING MORE A SOUTHERLY FETCH TO
THE WINDS ACROSS THE SOUTHERN CWA AND PULL UP SOME BETTER MOISTURE
LOCATED ACROSS NEW MEXICO THOUGH NOT THE TRUE SUB TROPICAL TAP
EXPECTED LATER IN THE FORECAST. STORMS DID FIRE TO THE SOUTH OF
OUR CWA FRIDAY EVENING AND THIS PATTERN SHOULD TRANSLATE TO THE
SOUTHERN MOUNTAINS THROUGH THIS EVENING. 1.5 PVU FIELDS DO NOT
SHOW A DISTINCT WAVE MOVING UP THROUGH THE FLOW SO THINK THE
STORMS WILL BE MORE ROOTED TO THE TERRAIN AND FROM OROGRAPHIC LIFT
AND SHOULD BEGIN TO DISSIPATE BY LATE EVENING...BUT A STRAY STORM
PROBABLY COULD NOT BE RULED OUT THROUGH THE EARLY MORNING HOURS AS
THE MOISTURE PLUME LIFTS NORTHWARD.
FOR SUNDAY...THE 1.5 PVU PRESSURE FIELDS SHOW A DISTINCT WAVE
CURRENTLY OVER THE CENTRAL GULF OF CALIFORNIA THAT WILL BE LIFTING
NORTHWARD INTO THE VICINITY OF SOUTHERN AZ/NM TOWARD SUNRISE WHICH
IS A SLOWER TREND THE PAST FEW RUNS. THIS WAVE WILL PUSHING INTO
COLORADO ON SUNDAY WHICH SHOULD BRING AN UPTICK TO THE CONVECTION
ACROSS THE COLORADO MOUNTAINS...WITH BETTER FOCUS OVER THE CENTRAL
AND NORTHERN RANGES DUE TO THE PROXIMITY OF THE MAIN PWAT PLUME.
THIS WAVE HOWEVER DOES NOT SEEM TO HAVE JET OR SURFACE SUPPORT SO
AGAIN THE ACTIVITY WOULD SEEM TO BE MORE TERRAIN DRIVEN. VERY DRY
AND HOT LOW LEVELS STILL ALSO SUGGEST SINGLE TO MULTICELL DRY
THUNDERSTORMS WITH GUSTY OUTFLOW WINDS WILL BE THE PRIMARY MODE TO
THESE STORMS KEEPING CRITICAL FIRE WEATHER CONCERNS AT THE
FOREFRONT. AS FOR TEMPERATURES THERE DOES NOT SEEM TO BE ENOUGH
CLOUD COVER FOR A BIG IMPACT TO TEMPERATURES SO NEAR PERSISTENCE
LOOKS A GOOD WAY TO LEAN.
SUNDAY NIGHT INTO MONDAY THE LARGE SUBTROPICAL HIGH WILL CONTINUE TO
BE ANCHORED OVER THE SOUTHERN HIGH PLAINS AND DOES LOOK TO TAP INTO
THE BETTER MOISTURE PLUME OVER THE GULF OF CALIFORNIA. THIS PLUME
LOOKS TO SET UP ACROSS EASTERN UTAH INTO NORTHWEST UTAH THROUGH
EARLY NEXT WEEK. THERE IS NO DISTINCT WAVE MOVING THROUGH THE FLOW
TO HANG YOUR HAT ON SO LOW SCATTERED TO ISOLATED POPS LOOK ON TRACK
FOR NOW WITH THE MAIN DYNAMICS AND JET ARE WELL TO THE WEST...AND
THE STORMS SHOULD BE MORE DIURNALLY DRIVEN WITH SOME OVERNIGHT
CONVECTION PROBABLY NOT OUT OF THE QUESTION. HIGHS WILL REMAIN WELL
ABOVE NORMAL THOUGH THERE WILL BE SOME RELIEF TO THE VERY DRY
CONDITIONS AND SOME LOW LEVEL MOISTURE WILL SLOWLY BE MIXED DOWN
FROM ABOVE.
.LONG TERM...(TUESDAY THROUGH FRIDAY)
ISSUED AT 350 AM MDT SAT JUN 23 2012
BEST POTENTIAL FOR PRECIPITATION ACROSS OUR FORECAST AREA WILL BE
ARRIVING TUESDAY AFTERNOON AND EVENING AS SOUTHERLY SURGE OF
MOISTURE GETS COMPRESSED EASTWARD ACROSS UTAH AND INTO WESTERN
COLORADO AS AN UPPER LEVEL LOW TRAVELS EASTWARD ACROSS SOUTHERN
CANADA. THIS WILL BASICALLY SQUEEZE THE ATMOSPHERE AS GRADIENTS
TIGHTEN AND SHIFT A MARGINAL MOISTURE PLUME EAST OVER OUR FORECAST
AREA. EXPECT ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS...WITH WETTING RAINS POSSIBLE OVER THE HIGHER
TERRAIN. EVEN WITH THE POTENTIAL FOR SOME WETTING TYPE
RAINS...WHICH ARE DEFINED AS STORMS PRODUCING A TENTH OF AN INCH
OR MORE...THE MAJORITY WILL BE DRY. AS A RESULT...CRITICAL FIRE
WEATHER CONDITIONS WILL BE POSSIBLE FOR MUCH OF THE WEEK AS WE
DEAL WITH POTENTIAL WILDFIRE STARTS FROM LIGHTNING.
BY THURSDAY...THE RIDGE AXIS SLIDES SOUTHWEST INTO NEW MEXICO AND
BASICALLY SHUTS OFF OUR WEAK MOISTURE TAP. THIS WILL BRING A
RETURN OF DRY AND HOT WEATHER TO CLOSE OUT THE WEEK.
&&
.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SUNDAY)
ISSUED AT 1039 AM MDT SAT JUN 23 2012
HIGH PRESSURE CONTINUES OVER THE FORECAST AREA TODAY WITH MAIN
CONCERN BEING SOME STORMS FIRING OVER THE SAN JUANS AND CENTRAL
MOUNTAINS. THESE STORMS WILL BE ABLE TO PRODUCE STRONG OUTFLOW
WINDS UP TO 45 MPH WITH LITTLE...IF ANY...PRECIPITATION EXPECTED
TO HIT THE GROUND. NO TAF SITES ARE EXPECTED TO IMPACTED BY ANY
STORMS TODAY SO THERE WILL BE NO MENTION OF STORMS IN TAFS.
&&
.FIRE WEATHER...
ISSUED AT 350 AM MDT SAT JUN 23 2012
HOT...DRY AND WINDY CONDITIONS WILL CONTINUE TODAY AS MID LEVEL
MOISTURE SNEAKS NORTHWARD INTO THE SAN JUAN MOUNTAINS THIS
AFTERNOON. THE WINDIEST CONDITIONS WILL BE FOUND ACROSS EASTERN
UTAH AND WESTERN COLORADO FROM THE SAN JUAN MOUNTAINS NORTHWARD.
COMBINED WITH EXTREMELY DRY CONDITIONS...THE RED FLAG WARNINGS
WILL BE CONTINUED TODAY AND THIS EVENING.
NEXT PROBLEM WILL BE WITH INCREASING POTENTIAL FOR DRY
THUNDERSTORMS LATE THIS AFTERNOON AND AGAIN SUNDAY AFTERNOON AND
EVENING. COVERAGE OF STORM TODAY WILL BE MARGINAL AND CONFINED TO
THE HIGHER MOUNTAINS ACROSS THE EASTERN PORTIONS OF ZONE 207. THIS
ACTIVITY WILL SPREAD WEST AND NORTH ON SUNDAY...IMPACTING MUCH OF
THE REGION...ESPECIALLY THE HIGHER TERRAIN ALONG THE DIVIDE. DUE
TO THE VERY DRY CONDITIONS AT THE SURFACE...THESE STORMS WILL
PRODUCE GUSTY AND ERRATIC WINDS...LEADING TO DRY LIGHTNING. THIS
WILL BE THE FIRST SUCH OCCURRENCE IN SEVERAL DAYS AND THE FIRE
WEATHER WATCH FOR SOUTHWEST COLORADO HAS BEEN EXPANDED NORTHWARD
INCLUDING ZONES 201...202 AND 203 IN COLORADO AND ZONE 487 IN
EASTERN UTAH.
ADDITIONAL AFTERNOON AND EVENING THUNDERSTORMS CAN BE EXPECTED
MONDAY THROUGH WEDNESDAY...WITH MANY OF THESE BEING OF THE DRY
VARIETY...WITH GUSTY AND ERRATIC OUTFLOW WINDS. THESE CONDITIONS
WILL BE MONITORED CLOSELY OVER THE NEXT SEVERAL DAYS FOR POSSIBLE
FIRE WEATHER HIGHLIGHTS.
&&
.GJT WATCHES/WARNINGS/ADVISORIES...
CO...RED FLAG WARNING UNTIL 9 PM MDT THIS EVENING FOR COZ200>203-
290>293.
FIRE WEATHER WATCH FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING
FOR COZ201>203-207-290>293.
UT...RED FLAG WARNING UNTIL 9 PM MDT THIS EVENING FOR UTZ481>487.
FIRE WEATHER WATCH FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING
FOR UTZ487.
&&
UPDATE...TGR
SHORT TERM...JDC/15
LONG TERM...JDC
AVIATION...TGR
FIRE WEATHER...JDCHazardous weather outlook, Jun 23, 5:31 AM MDT, 5 hours 55 minutes before
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
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 1:35 PM MDT | Wind Advisory | GJT | Garfield, Moffat, Rio Blanco, Routt | 6 hr |
Nearby
Red Flag Warnings in Colorado, 2012Red 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.