Alert archive / Colorado / Red Flag Warnings in 2012
Red Flag Warning 13, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at May 15, 2012, 3:06 PM MDT for 6 counties in Colorado. It took effect at May 16, 2012, 10:00 AM MDT. It was in force for 9 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 15, 2012, 3:06 PM MDT (21:06 UTC)
- In effect from
- May 16, 2012, 10:00 AM MDT
- Expired
- May 16, 2012, 7:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Elbert County, CO, Lincoln County, CO, Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 126 km from the middle of the area, began a volume at 21:05 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 (KDNR), launched 12:00Z, 9.1 hours before the alert went out and 25 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
- 3649 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
472 WWUS85 KBOU 152106 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 306 PM MDT TUE MAY 15 2012 ...STRONG WINDS AND LOW HUMIDITIES AHEAD OF AN APPROACHING WEATHER DISTURBANCE WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS ON THE COLORADO EASTERN PLAINS WEDNESDAY... COZ246>251-160515- /O.NEW.KBOU.FW.W.0013.120516T1600Z-120517T0100Z/ 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- 306 PM MDT TUE MAY 15 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN COLORADO PLAINS... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 10 AM TO 7 PM MDT WEDNESDAY. * AFFECTED AREA...FIRE WEATHER ZONES 246...247...248...249... 250 AND 251. * TIMING...WINDS WILL INCREASE LATE WEDNESDAY MORNING. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * IMPACTS...THE STRONG WINDS AND LOW HUMIDITY WILL ALLOW RAPID SPREAD OF ANY GRASSLAND WILDFIRE. 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. && $$
3 follow-up statements
905 WWUS85 KBOU 160712 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 112 AM MDT WED MAY 16 2012 ...STRONG WINDS AND LOW HUMIDITIES AHEAD OF AN APPROACHING WEATHER DISTURBANCE WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS ON THE COLORADO EASTERN PLAINS WEDNESDAY... COZ246>251-161800- /O.CON.KBOU.FW.W.0013.120516T1600Z-120517T0100Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 112 AM MDT WED MAY 16 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN COLORADO PLAINS... * AFFECTED AREA...FIRE WEATHER ZONES 246...247...248...249... 250 AND 251. * TIMING...WINDS WILL INCREASE LATE WEDNESDAY MORNING. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP. MUST OF THESE STORMS WILL PRODUCE GUSTY OUTFLOW WINDS AND ONLY LIGHT RAINFALL. * IMPACTS...THE STRONG WINDS AND LOW HUMIDITY WILL ALLOW RAPID SPREAD OF ANY GRASSLAND WILDFIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
116 WWUS85 KBOU 161748 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1148 AM MDT WED MAY 16 2012 ...STRONG WINDS AND LOW HUMIDITIES AHEAD OF AN APPROACHING WEATHER DISTURBANCE WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS ON THE COLORADO EASTERN PLAINS INTO THIS EVENING... COZ246>251-170100- /O.CON.KBOU.FW.W.0013.000000T0000Z-120517T0100Z/ 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- 1148 AM MDT WED MAY 16 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN COLORADO PLAINS... * AFFECTED AREA...FIRE WEATHER ZONES 246...247...248...249... 250 AND 251. * TIMING...GUSTY WINDS WILL CONTINUE UNTIL 7 PM...AND THEN GRADUALLY DECREASE. * WINDS...SOUTH 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP. MUST OF THESE STORMS WILL PRODUCE GUSTY OUTFLOW WINDS AND ONLY LIGHT RAINFALL. * IMPACTS...THE STRONG WINDS AND LOW HUMIDITY WILL ALLOW RAPID SPREAD OF ANY GRASSLAND WILDFIRE. 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. && $$ BARJENBRUCH
027 WWUS85 KBOU 170102 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 702 PM MDT WED MAY 16 2012 COZ246>251-170215- /O.EXP.KBOU.FW.W.0013.000000T0000Z-120517T0100Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 702 PM MDT WED MAY 16 2012 ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN COLORADO PLAINS... THE RED FLAG WANRING FOR THE EASTERN COLORADO PLAINS HAS EXPIRED. $$
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.