Alert archive / Colorado / Red Flag Warnings in 2012
Red Flag Warning 28, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Aug 28, 2012, 3:03 PM MDT for 10 counties in Colorado. It took effect at Aug 29, 2012, 12:00 PM MDT. It was in force for 8 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
- Aug 28, 2012, 3:03 PM MDT (21:03 UTC)
- In effect from
- Aug 29, 2012, 12:00 PM MDT
- Expired
- Aug 29, 2012, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Elbert County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 90 km from the middle of the area, began a volume at 21:06 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
Denver, CO (KDEN), launched 12:00Z, 9.1 hours before the alert went out and 36 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
- 3358 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
638 WWUS85 KBOU 282103 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 303 PM MDT TUE AUG 28 2012 COZ246>251-291100- /O.NEW.KBOU.FW.W.0028.120829T1800Z-120830T0200Z/ /O.NEW.KBOU.FW.A.0012.120830T1800Z-120831T0200Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 303 PM MDT TUE AUG 28 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 246...247...248...249... 250 AND 251. * TIMING...HOT AND DRY CONDITIONS WILL DEVELOP AGAIN ON WEDNESDAY AFTERNOON BUT THE WINDS WILL BE STRONGER. SIMILAR CONDITIONS ARE POSSIBLE ON THURSDAY. * WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 35 MPH IN THE AFTERNOON. * RELATIVE HUMIDITY...AS LOW AS 11 PERCENT. * IMPACTS...FIRES WILL START MORE EASILY AND SPREAD MORE QUICKLY UNDER RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE WARNINGS AND WATCHES. && $$ GIMMESTAD/LESZCYNSKI
4 follow-up statements
549 WWUS85 KBOU 291004 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 404 AM MDT WED AUG 29 2012 COZ242-244-245-291815- /O.EXA.KBOU.FW.W.0028.120829T1800Z-120830T0200Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 404 AM MDT WED AUG 29 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 242...244 AND 245. * TIMING...HOT AND DRY CONDITIONS WILL DEVELOP AGAIN THIS AFTERNOON BUT THE WINDS WILL BE STRONGER. * WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...FIRES WILL START MORE EASILY AND SPREAD MORE QUICKLY UNDER RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE WARNINGS AND WATCHES. && $$ COZ246>251-291815- /O.CON.KBOU.FW.W.0028.120829T1800Z-120830T0200Z/ /O.CON.KBOU.FW.A.0012.120830T1800Z-120831T0200Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 404 AM MDT WED AUG 29 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 246...247...248...249... 250 AND 251. * TIMING...HOT AND DRY CONDITIONS WILL DEVELOP AGAIN THIS AFTERNOON BUT THE WINDS WILL BE STRONGER. SIMILAR CONDITIONS ARE POSSIBLE ON THURSDAY. * WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...FIRES WILL START MORE EASILY AND SPREAD MORE QUICKLY UNDER RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE WARNINGS AND WATCHES. && $$
586 WWUS85 KBOU 291630 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1030 AM MDT WED AUG 29 2012 COZ246>251-300200- /O.CON.KBOU.FW.W.0028.120829T1800Z-120830T0200Z/ /O.CON.KBOU.FW.A.0012.120830T1800Z-120831T0200Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1030 AM MDT WED AUG 29 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 246...247...248...249... 250 AND 251. * TIMING...HOT AND DRY CONDITIONS WILL DEVELOP AGAIN THIS AFTERNOON BUT THE WINDS WILL BE STRONGER. SIMILAR CONDITIONS ARE POSSIBLE ON THURSDAY. * WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...FIRES WILL START MORE EASILY AND SPREAD MORE QUICKLY UNDER RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE WARNINGS AND WATCHES. && $$ COZ242-244-245-300200- /O.CON.KBOU.FW.W.0028.120829T1800Z-120830T0200Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 1030 AM MDT WED AUG 29 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 242...244 AND 245. * TIMING...HOT AND DRY CONDITIONS WILL DEVELOP AGAIN THIS AFTERNOON BUT THE WINDS WILL BE STRONGER. * WINDS...SOUTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY...AS LOW AS 11 PERCENT. * IMPACTS...FIRES WILL START MORE EASILY AND SPREAD MORE QUICKLY UNDER RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE WARNINGS AND WATCHES. && $$ GIMMESTAD
102 WWUS85 KBOU 292040 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 240 PM MDT WED AUG 29 2012 COZ246>251-300230- /O.UPG.KBOU.FW.A.0012.120830T1800Z-120831T0200Z/ /O.NEW.KBOU.FW.W.0029.120830T1800Z-120831T0200Z/ /O.CON.KBOU.FW.W.0028.000000T0000Z-120830T0200Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 240 PM MDT WED AUG 29 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY. THE WARNING IS IN EFFECT FROM NOON TO 8 PM MDT THURSDAY. THE FIRE WEATHER WATCH FOR THURSDAY IS NO LONGER IN EFFECT. THE RED FLAG WARNING FOR TODAY CONTINUES UNTIL 8 PM MDT. * AFFECTED AREA...FIRE WEATHER ZONES 246...247...248...249... 250 AND 251. * TIMING...HOT...DRY..AND WINDY CONDITIONS WILL CONTINUE THIS AFTERNOON...EASING THIS EVENING. SIMILAR CONDITIONS WILL DEVELOP AGAIN ON THURSDAY AFTERNOON. * WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...FIRES WILL START MORE EASILY AND SPREAD MORE QUICKLY UNDER RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ COZ242-244-245-300230- /O.NEW.KBOU.FW.W.0029.120830T1800Z-120831T0200Z/ /O.CON.KBOU.FW.W.0028.000000T0000Z-120830T0200Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 240 PM MDT WED AUG 29 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT THURSDAY. THE RED FLAG WARNING FOR TODAY CONTINUES UNTIL 8 PM THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 242...244 AND 245. * TIMING...HOT...DRY..AND WINDY CONDITIONS WILL CONTINUE THIS AFTERNOON...EASING THIS EVENING. SIMILAR CONDITIONS WILL DEVELOP AGAIN ON THURSDAY AFTERNOON. * WINDS...SOUTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...FIRES WILL START MORE EASILY AND SPREAD MORE QUICKLY UNDER RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ GIMMESTAD
961 WWUS85 KBOU 300210 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 810 PM MDT WED AUG 29 2012 COZ242-244>251-301015- /O.EXP.KBOU.FW.W.0028.000000T0000Z-120830T0200Z/ /O.CON.KBOU.FW.W.0029.120830T1800Z-120831T0200Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 810 PM MDT WED AUG 29 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 242...244...245...246... 247...248...249...250 AND 251. * TIMING...HOT...DRY..AND WINDY CONDITIONS WILL RETURN AGAIN ON THURSDAY AFTERNOON WITH SIMILAR CONDITIONS OF HUMIDITIES AND WINDS. * WINDS...SOUTH WINDS 10 TO 15 MPH TONIGHT...INCREASING AGAIN TO SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH ON THURSDAY AFTERNOON. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT AGAIN BETWEEN NOON THURSDAY AFTERNOON AND 8 PM THURSDAY EVENING. * IMPACTS...FIRES WILL START MORE EASILY AND SPREAD MORE QUICKLY UNDER RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 3:03 PM MDT | Fire Weather Watch | BOU | Elbert, Lincoln, Logan, Phillips, Sedgwick, Washington | 24 hr |
Nearby
Red Flag Warnings in Colorado, 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.