Alert archive / Colorado / Red Flag Warnings in 2016
Red Flag Warning 8, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Mar 21, 2016, 4:12 AM MDT for 4 counties in Colorado. It took effect at Mar 21, 2016, 12:00 PM MDT. It was in force for 6 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
- Mar 21, 2016, 4:12 AM MDT (10:12 UTC)
- In effect from
- Mar 21, 2016, 12:00 PM MDT
- Expired
- Mar 21, 2016, 6:00 PM MDT
- In force
- 6 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO
The radar
The Goodland radar (KGLD), 159 km from the middle of the area, began a volume at 10:14 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 00:00Z, 10.2 hours before the alert went out and 85 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
- 3539 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
801 WWUS85 KBOU 211012 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 412 AM MDT MON MAR 21 2016 ...GUSTY WINDS...LOW HUMIDITY AND DRY FUELS WILL CREATE HIGH GRASSLAND FIRE DANGER ACROSS NORTHEAST COLORADO THIS AFTERNOON... COZ248>251-211815- /O.NEW.KBOU.FW.W.0008.160321T1800Z-160322T0000Z/ LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 412 AM MDT MON MAR 21 2016 ...RED FLAG WARNING IN EFFECT THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF NORTHEAST COLORADO... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR GUSTY WEST WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 6 PM MDT TODAY. * AFFECTED AREA...FIRE WEATHER ZONES 248...249...250 AND 251. * TIMING...FROM NOON TO 6 PM MDT TODAY * WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...GUSTY WEST WINDS WILL COMBINE WITH UNSEASONABLY WARM TEMPERATURES...LOW RELATIVE HUMIDITY AND DRY FUELS TO CREATE CONDITIONS FAVORABLE FOR RAPID RANGELAND FIRE GROWTH AND SPREAD. AGRICULTURAL BURNING IS STRONGLY DISCOURAGED THIS AFTERNOON. 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 HIGH TO EXTREME FIRE BEHAVIOR. IF A FIRE IS STARTED OR ONGOING THE POTENTIAL FOR IT TO RAPIDLY SPREAD IS HIGH. && $$ BAKER
2 follow-up statements
060 WWUS85 KBOU 212139 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 339 PM MDT MON MAR 21 2016 ...GUSTY WINDS...LOW HUMIDITY AND DRY FUELS WILL CONTINUE THE HIGH GRASSLAND FIRE DANGER ACROSS NORTHEAST COLORADO LATE THIS AFTERNOON... COZ248>251-220000- /O.CON.KBOU.FW.W.0008.000000T0000Z-160322T0000Z/ LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 339 PM MDT MON MAR 21 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY OVER PORTIONS OF NORTHEAST COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 248...249...250 AND 251. * TIMING...THROUGH 6 PM MDT TODAY * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * IMPACTS...GUSTY WEST WINDS WILL COMBINE WITH UNSEASONABLY WARM TEMPERATURES...LOW RELATIVE HUMIDITY AND DRY FUELS TO CREATE CONDITIONS FAVORABLE FOR RAPID RANGELAND FIRE GROWTH. AGRICULTURAL BURNING IS STRONGLY DISCOURAGED THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW OR WILL OCCUR SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITIES...AND DRY FUELS CAN CONTRIBUTE TO HIGH TO EXTREME FIRE BEHAVIOR. IF A FIRE IS STARTED OR ONGOING...THE POTENTIAL FOR IT TO RAPIDLY SPREAD IS HIGH. && $$
228 WWUS85 KBOU 212358 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 558 PM MDT MON MAR 21 2016 COZ248>251-220100- /O.EXP.KBOU.FW.W.0008.000000T0000Z-160322T0000Z/ LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 558 PM MDT MON MAR 21 2016 ...RED FLAG WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR LOGAN...SEDGWICK...PHILLIPS AND WASHINGTON COUNTIES IN NORTHEAST COLORADO... RELATIVE HUMIDITIES ARE EXPECTED TO SLOWLY IMPROVE THIS EVENING AS THE WIND DECREASES AND TEMPERATURES COOL DOWN. 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 21, 3:27 PM MDT | Winter Storm Watch | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 6 more | 24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.