Alert archive / Colorado / Red Flag Warnings in 2018
Red Flag Warning 13, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Apr 1, 2018, 11:49 AM MDT for Elbert County, Lincoln County, Colorado. It took effect at Apr 2, 2018, 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
- Apr 1, 2018, 11:49 AM MDT (17:49 UTC)
- In effect from
- Apr 2, 2018, 12:00 PM MDT
- Expired
- Apr 2, 2018, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Elbert County, CO, Lincoln County, CO
The radar
The Pueblo radar (KPUX), 81 km from the middle of the area, began a volume at 17:50 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, 5.8 hours before the alert went out and 96 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
- 720 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
204 WWUS85 KBOU 011749 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 1149 AM MDT Sun Apr 1 2018 ...HIGH FIRE DANGER EXPECTED MONDAY EAST OF THE PALMER DIVIDE... .A warm, dry and windy day will spread across the area Monday. Recent precipitation over the last week will keep lower fire danger over many areas, except east of the Palmer Divide, where gusts to 40 mph and humidity near 10 percent will provide critical fire weather conditions. COZ246-247-020300- /O.UPG.KBOU.FW.A.0008.180402T1800Z-180403T0100Z/ /O.NEW.KBOU.FW.W.0013.180402T1800Z-180403T0200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- 1149 AM MDT Sun Apr 1 2018 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 246 AND 247...EASTERN ELBERT AND LINCOLN COUNTIES... 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 Monday. The Fire Weather Watch is no longer in effect. * Affected Area...Fire Weather Zones 246 and 247. * Timing...Monday afternoon and evening. * Winds...Southwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 9 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth. 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 can contribute to extreme fire behavior. Outdoor burning or any other activities that could accidentally start a wildfire should be postponed. && $$
5 follow-up statements
046 WWUS85 KBOU 020241 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 841 PM MDT Sun Apr 1 2018 ...HIGH FIRE DANGER EXPECTED MONDAY EAST OF THE PALMER DIVIDE... .A warm, dry and windy day will spread across the area Monday. Recent precipitation over the last week will keep lower fire danger over many areas, except east of the Palmer Divide, where gusts to 40 mph and humidity near 10 percent will provide critical fire weather conditions. COZ246-247-021045- /O.CON.KBOU.FW.W.0013.180402T1800Z-180403T0200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- 841 PM MDT Sun Apr 1 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FOR FIRE WEATHER ZONES 246 AND 247...EASTERN ELBERT AND LINCOLN COUNTIES... * Affected Area...Fire Weather Zones 246 and 247. * Timing...Monday afternoon and evening. * Winds...Southwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 10 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Outdoor burning or any other activities that could accidentally start a wildfire should be postponed. && $$
379 WWUS85 KBOU 021006 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 406 AM MDT Mon Apr 2 2018 COZ246-247-021900- /O.CON.KBOU.FW.W.0013.180402T1800Z-180403T0200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- 406 AM MDT Mon Apr 2 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR EASTERN ELBERT COUNTY BELOW 6000 FEET AND LINCOLN COUNTY... * Affected Area...Fire Weather Zones 246 and 247. * Timing...Noon to 8 pm mdt this evening. * Winds...West to Southwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 10 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth. 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 can contribute to extreme fire behavior. Outdoor burning or any other activities that could accidentally start a wildfire should be postponed. && $$
002 WWUS85 KBOU 021739 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver CO 1139 AM MDT Mon Apr 2 2018 COZ246-247-030200- /O.CON.KBOU.FW.W.0013.180402T1800Z-180403T0200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- 1139 AM MDT Mon Apr 2 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 246 AND 247... * Affected Area...Fire Weather Zones 246 and 247. * Timing...Noon to 8 pm mdt this evening. * Winds...West to Southwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 10 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Outdoor burning or any other activities that could accidentally start a wildfire should be postponed. && $$
108 WWUS85 KBOU 021925 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver CO 125 PM MDT Mon Apr 2 2018 ...CONTINUED HIGH FIRE DANGER TUESDAY AFTERNOON EAST OF THE PALMER DIVIDE.. .Despite a strong cold front dropping temperatures 20 plus degrees Tuesday, northwest winds 20-30 mph with gusts up to 40 mph combined with relative humidity values bottoming out around 10 percent are expected Tuesday afternoon. This will lead to another critical fire weather conditions for eastern Elbert and Lincoln Counties. COZ246-247-030330- /O.NEW.KBOU.FW.W.0014.180403T1800Z-180404T0000Z/ /O.CON.KBOU.FW.W.0013.000000T0000Z-180403T0200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- 125 PM MDT Mon Apr 2 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR STRONG WEST WINDS AND LOW REALTIVE HUMIDITY FOR FIRE WEATHER ZONES 246 AND 247... ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM MDT TUESDAY FOR STRONG NORTHWEST WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 246 AND 247... The National Weather Service in Denver has issued a Red Flag Warning, which is in effect from noon to 6 PM MDT Tuesday. Please note a Red Flag Warning continues through 8 PM today for the same area. * Affected Area...Fire Weather Zones 246 and 247. * Timing...Noon to 6 pm mdt Tuesday. * Winds...Northwest winds 20 to 30 mph with gusts up to 40 mph. * Relative Humidity...As low as 10 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth. 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 can contribute to extreme fire behavior. Outdoor burning or any other activities that could accidentally start a wildfire should be postponed. && $$
473 WWUS85 KBOU 030156 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 756 PM MDT Mon Apr 2 2018 ...CONTINUED HIGH FIRE DANGER TUESDAY AFTERNOON EAST OF THE PALMER DIVIDE.. .Despite a strong cold front dropping temperatures 20 or more degrees Tuesday, northwest winds 20-30 mph with gusts to 40 mph combined with relative humidity values bottoming out around 10 percent are expected Tuesday afternoon. This will lead to critical fire weather conditions for eastern Elbert and Lincoln Counties. COZ246-247-031000- /O.EXP.KBOU.FW.W.0013.000000T0000Z-180403T0200Z/ /O.CON.KBOU.FW.W.0014.180403T1800Z-180404T0000Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- 756 PM MDT Mon Apr 2 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 6 PM MDT TUESDAY FOR STRONG WEST WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 246 AND 247... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR STRONG WEST WINDS AND LOW Relative HUMIDITY FOR FIRE WEATHER ZONES 246 AND 247... * Affected Area...Fire Weather Zones 246 and 247. * Timing...Noon to 6 pm mdt Tuesday. * Winds...Northwest winds 20 to 30 mph with gusts up to 40 mph. * Relative Humidity...As low as 10 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Outdoor burning or any other activities that could accidentally start a wildfire should be postponed. && $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 11:42 PM MDT | Winter Weather Advisory | BOU | Logan, Sedgwick | 9 hr |
| Apr 1, 2:29 PM MDT | High Wind Watch | BOU | Elbert, Lincoln, Logan, Morgan, Phillips, Sedgwick and 2 more | 23 hr |
Nearby
Red Flag Warnings in Colorado, 2018Every red flag warning in 2018
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.