Alert archive / Colorado / Red Flag Warnings in 2016
Red Flag Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Mar 1, 2016, 2:41 PM MST for 16 counties in Colorado. It took effect at Mar 2, 2016, 11:00 AM MST. It was in force for 8 hr. 11 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 1, 2016, 2:41 PM MST (21:41 UTC)
- In effect from
- Mar 2, 2016, 11:00 AM MST
- Expired
- Mar 2, 2016, 7:00 PM MST
- In force
- 8 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Jefferson County, CO, Larimer 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), 42 km from the middle of the area, began a volume at 21:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 2, 12:15 PM MST | NON-TSTM WND GST 56 | 4 Ne Boulder, CO | |
| Mar 2, 12:23 PM MST | NON-TSTM WND GST 58 | Briggsdale, CO | SUSTAINED WIND 41 MPH |
| Mar 2, 12:33 PM MST | NON-TSTM WND GST 63 | 2 Nw Rocky Flats, CO | |
| Mar 2, 12:42 PM MST | NON-TSTM WND GST 50 | 1 Ssw Bennett, CO | |
| Mar 2, 1:43 PM MST | NON-TSTM WND GST 67 | 2 Sse Gold Hill, CO | |
| Mar 2, 1:53 PM MST | NON-TSTM WND GST 49 | Akron, CO | |
| Mar 2, 1:53 PM MST | NON-TSTM WND GST 53 | Denver Intl Airport, CO | |
| Mar 2, 2:03 PM MST | NON-TSTM WND GST 52 | 8 Ssw Grover, CO | |
| Mar 2, 2:20 PM MST | NON-TSTM WND GST 69 | 3 Ssw Boulder, CO | |
| Mar 2, 3:52 PM MST | NON-TSTM WND GST 50 | 4 Ene Loveland, CO | |
| Mar 2, 5:02 PM MST | NON-TSTM WND GST 48 | 3 Se Sterling, CO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 9.7 hours before the alert went out and 80 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
- 2486 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 398 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
014 WWUS85 KBOU 012141 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 241 PM MST TUE MAR 1 2016 COZ238>251-021200- /O.UPG.KBOU.FW.A.0002.160302T1800Z-160303T0200Z/ /O.NEW.KBOU.FW.W.0004.160302T1800Z-160303T0200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH 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- 241 PM MST TUE MAR 1 2016 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MST WEDNESDAY FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 238...239...240...241...242...243...244...245...246...247... 248...249...250 AND 251.... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 7 PM MST WEDNESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 238...239...240...241... 242...243...244...245...246...247...248...249...250 AND 251. * TIMING...11 AM THROUGH 7 PM WEDNESDAY. * WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * IMPACTS...STRONG NORTHWEST WINDS COMBINED WITH DRY FUELS AND LOWER HUMIDITY READINGS WILL CREATE CONDITIONS FAVORABLE FOR RAPID GRASSLAND FIRE GROWTH. ANY FIRE STARTS MAY QUICKLY ESCAPE CONTROL MEASURES DUE TO THE STRENGTH OF THE GUSTY WINDS. DO NOT BURN ON WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW OR WILL OCCUR SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITIES...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. IF A FIRE IS STARTED OR ONGOING THE POTENTIAL FOR IT TO RAPIDLY SPREAD IS HIGH. && $$
3 follow-up statements
641 WWUS85 KBOU 021051 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 351 AM MST WED MAR 2 2016 ...STRONG WINDS AND LOW HUMIDITY WILL CREATE CRITICAL CONDITIONS FOR THE FINE FUELS OVER THE PLAINS TODAY... .STRONG WEST TO NORTHWEST WINDS WILL SPREAD FROM THE HIGH TERRAIN AND ACROSS THE PLAINS AROUND MID MORNING...INCREASING THROUGH MID AFTERNOON WITH GUSTS REACHING 40 TO 50 MPH. COMBINED WITH LOW HUMIDITIES AND DRY FINE FUELS...ANY SORT OF BURNING IS HIGHLY DISCOURAGED. COZ238>251-021900- /O.CON.KBOU.FW.W.0004.160302T1800Z-160303T0200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH 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- 351 AM MST WED MAR 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST THIS EVENING FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 238...239...240...241...242... 243...244...245...246...247...248...249...250 AND 251.... * AFFECTED AREA...FIRE WEATHER ZONES 238...239...240...241... 242...243...244...245...246...247...248...249...250 AND 251. * TIMING...11 AM THROUGH 7 PM WEDNESDAY. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * IMPACTS...STRONG NORTHWEST WINDS COMBINED WITH DRY FUELS AND LOW HUMIDITY READINGS WILL CREATE CONDITIONS FAVORABLE FOR RAPID GRASSLAND FIRE GROWTH. ANY FIRE STARTS MAY QUICKLY ESCAPE CONTROL MEASURES DUE TO THE STRENGTH OF THE WINDS. DO NOT BURN TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW OR WILL OCCUR SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITIES...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. IF A FIRE IS STARTED OR ONGOING THE POTENTIAL FOR IT TO RAPIDLY SPREAD IS HIGH. && $$
407 WWUS85 KBOU 021925 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1225 PM MST WED MAR 2 2016 ...STRONG WINDS AND LOW HUMIDITY CREATING VERY HIGH FIRE DANGER OVER THE PLAINS THIS AFTERNOON... .STRONG WEST TO NORTHWEST WINDS WILL CONTINUE OVER EASTERN COLORADO THIS AFTERNOON WITH GUSTS UP TO 50 MPH. WITH LOW HUMIDITIES AND DRY GRASSES...ANY FIRES THAT START WILL SPREAD RAPIDLY. ANY SORT OF BURNING IS HIGHLY DISCOURAGED. COZ238>251-030200- /O.CON.KBOU.FW.W.0004.000000T0000Z-160303T0200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH 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- 1225 PM MST WED MAR 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 238...239...240...241...242...243...244...245...246...247... 248...249...250 AND 251.... * AFFECTED AREA...FIRE WEATHER ZONES 238...239...240...241... 242...243...244...245...246...247...248...249...250 AND 251. * TIMING...11 AM THROUGH 7 PM WEDNESDAY. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...STRONG NORTHWEST WINDS COMBINED WITH DRY FUELS AND LOW HUMIDITY READINGS WILL CREATE CONDITIONS FAVORABLE FOR RAPID GRASSLAND FIRE GROWTH. ANY FIRE STARTS MAY QUICKLY ESCAPE CONTROL MEASURES DUE TO THE STRENGTH OF THE WINDS. DO NOT BURN TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW OR WILL OCCUR SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITIES...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. IF A FIRE IS STARTED OR ONGOING THE POTENTIAL FOR IT TO RAPIDLY SPREAD IS HIGH. && $$ GIMMESTAD
105 WWUS85 KBOU 030153 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 653 PM MST WED MAR 2 2016 COZ238>251-030300- /O.EXP.KBOU.FW.W.0004.000000T0000Z-160303T0200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 653 PM MST WED MAR 2 2016 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MST THIS EVENING FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 238...239...240...241...242...243...244...245...246...247... 248...249...250 AND 251.... WINDS HAVE DECREASE TO 15 TO 30 MPH AND WILL CONTINUE TO DECREASE THIS EVENING. IN ADDITION TO THIS...RELATIVE HUMIDITIES HAVE CLIMBED ABOVE 15 PERCENT...THEREFORE THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 3:44 AM MST | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 11 hr |
Nearby
Red Flag Warnings in Colorado, 2016Every red flag warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.