Alert archive / Colorado / Red Flag Warnings in 2015
Red Flag Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Mar 23, 2015, 2:40 PM MDT for 19 counties in Colorado. It took effect at Mar 24, 2015, 9:00 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
- Mar 23, 2015, 2:40 PM MDT (20:40 UTC)
- In effect from
- Mar 24, 2015, 9:00 AM MDT
- Expired
- Mar 24, 2015, 6:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 22 km from the middle of the area, began a volume at 20:40 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, 8.7 hours before the alert went out and 99 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
- 1913 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
244 WWUS85 KBOU 232040 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 240 PM MDT MON MAR 23 2015 ...STRONG WINDS WILL INCREASE THE FIRE DANGER ACROSS MUCH OF NORTHEAST COLORADO ON TUESDAY... .STRONG WINDS WILL DEVELOP AS A STORM SYSTEM EXITS NORTHEAST COLORADO TUESDAY MORNING. THE WIND WILL PERSIST THROUGH THE DAY. LOW RELATIVE HUMIDITIES IN THE TEENS AND SOME DRY FUELS WILL LIKELY FURTHER EXACERBATE THE FIRE DANGER. COZ238-241>251-240445- /O.UPG.KBOU.FW.A.0001.150324T1500Z-150325T0200Z/ /O.NEW.KBOU.FW.W.0002.150324T1500Z-150325T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD 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- 240 PM MDT MON MAR 23 2015 ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM MDT TUESDAY FOR WIND...LOW RELATIVE HUMIDITY DRY FUELS FOR NORTHEAST AND EAST CENTRAL COLORADO... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 9 AM TO 6 PM MDT TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 238...241...242...243... 244...245...246...247...248...249...250 AND 251. * TIMING...STRONG WINDS WILL DEVELOP TUESDAY MORNING AND CONTINUE INTO EARLY TUESDAY EVENING. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...NEW AND EXISTING FIRES MAY EXPERIENCE RAPID 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. && $$ COZ215-240445- /O.UPG.KBOU.FW.A.0001.150324T1200Z-150325T0000Z/ /O.NEW.KBOU.FW.W.0002.150324T1500Z-150325T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- 240 PM MDT MON MAR 23 2015 ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM MDT TUESDAY FOR WIND...LOW RELATIVE HUMIDITY AND DRY FUELS FOR THE NORTHERN FRONT RANGE FOOTHILLS... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 9 AM TO 6 PM MDT TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 215. * TIMING...STRONG WINDS WILL DEVELOP TUESDAY MORNING AND CONTINUE THROUGH TUESDAY AFTERNOON. * WINDS...WEST 25 TO 30 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...15 TO 20 PERCENT. * IMPACTS...NEW AND EXISTING FIRES MAY EXPERIENCE RAPID FIRE GROWTH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ COZ216-239-240-240445- /O.NEW.KBOU.FW.W.0002.150324T1500Z-150325T0000Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- 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- 240 PM MDT MON MAR 23 2015 ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM MDT TUESDAY FOR WIND...LOW RELATIVE HUMIDITY AND DRY FUELS FOR THE SOUTHERN FRONT RANGE FOOTHILLS AND ADJACENT URBAN CORRIDOR... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 9 AM TO 6 PM MDT TUESDAY. * AFFECTED AREA...FIRE WEATHER ZONES 216...239 AND 240. * TIMING...STRONG WINDS WILL DEVELOP TUESDAY MORNING AND CONTINUE THROUGH TUESDAY AFTERNOON. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...NEW AND EXISTING FIRES MAY EXPERIENCE RAPID 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. && $$
5 follow-up statements
095 WWUS85 KBOU 240336 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 936 PM MDT MON MAR 23 2015 ...HIGH FIRE DANGER ACROSS MUCH OF NORTHEAST COLORADO ON TUESDAY... .STRONG WINDS WILL DEVELOP ACROSS NORTHEAST COLORADO TUESDAY MORNING AND PERSIST THROUGH THE DAY. LOW RELATIVE HUMIDITIES IN THE TEENS AND DRY FUELS WILL LIKELY FURTHER EXACERBATE THE FIRE DANGER. COZ215-216-238>251-241200- /O.CON.KBOU.FW.W.0002.150324T1500Z-150325T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- 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- 936 PM MDT MON MAR 23 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 6 PM MDT TUESDAY FOR WIND...LOW RELATIVE HUMIDITY DRY FUELS FOR NORTHEAST AND EAST CENTRAL COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 215...216...238...239... 240...241...242...243...244...245...246...247...248...249... 250 AND 251. * TIMING...STRONG WINDS WILL DEVELOP TUESDAY MORNING AND CONTINUE INTO EARLY TUESDAY EVENING. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...NEW AND EXISTING FIRES MAY EXPERIENCE RAPID 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. && $$
032 WWUS85 KBOU 241023 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 423 AM MDT TUE MAR 24 2015 ...HIGH FIRE DANGER ACROSS MUCH OF NORTHEAST COLORADO TODAY... .STRONG WINDS WILL DEVELOP ACROSS NORTHEAST COLORADO THIS MORNING AND PERSIST THROUGH THE AFTERNOON. LOW RELATIVE HUMIDITIES IN THE TEENS AND DRY FUELS WILL FURTHER EXACERBATE THE FIRE DANGER. COZ215-216-238>251-241830- /O.CON.KBOU.FW.W.0002.150324T1500Z-150325T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- 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- 423 AM MDT TUE MAR 24 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT THIS EVENING FOR WIND...LOW RELATIVE HUMIDITY DRY FUELS FOR NORTHEAST AND EAST CENTRAL COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 215...216...238...239... 240...241...242...243...244...245...246...247...248...249... 250 AND 251. * TIMING...STRONG WINDS WILL DEVELOP THIS MORNING AND CONTINUE THROUGH THIS EVENING. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...NEW AND EXISTING FIRES MAY EXPERIENCE RAPID 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. && $$
778 WWUS85 KBOU 241518 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 918 AM MDT TUE MAR 24 2015 ...HIGH FIRE DANGER ACROSS MUCH OF NORTHEAST COLORADO TODAY... .STRONG WINDS WILL DEVELOP ACROSS NORTHEAST COLORADO THIS MORNING AND PERSIST THROUGH THE AFTERNOON. LOW RELATIVE HUMIDITIES IN THE TEENS AND DRY FUELS WILL FURTHER EXACERBATE THE FIRE DANGER. COZ215-216-238>251-250000- /O.CON.KBOU.FW.W.0002.000000T0000Z-150325T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- 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- 918 AM MDT TUE MAR 24 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR WIND...LOW RELATIVE HUMIDITY AND DRY FUELS FOR NORTHEAST AND EAST CENTRAL COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 215...216...238...239... 240...241...242...243...244...245...246...247...248...249... 250 AND 251. * TIMING...STRONG WINDS WILL DEVELOP THIS MORNING AND CONTINUE THROUGH THIS EVENING. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO AROUND 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...NEW AND EXISTING FIRES MAY EXPERIENCE RAPID 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. && $$
028 WWUS85 KBOU 242129 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 329 PM MDT TUE MAR 24 2015 ...HIGH FIRE DANGER ACROSS MUCH OF NORTHEAST COLORADO TODAY... COZ215-216-238>251-250000- /O.CON.KBOU.FW.W.0002.000000T0000Z-150325T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- 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- 329 PM MDT TUE MAR 24 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR WIND...LOW RELATIVE HUMIDITY AND DRY FUELS FOR NORTHEAST AND EAST CENTRAL COLORADO... * AFFECTED AREA...FIRE WEATHER ZONES 215...216...238...239... 240...241...242...243...244...245...246...247...248...249... 250 AND 251. * TIMING...STRONG WINDS GUSTING TO 35 MPH AND DRY HUMIDITIES BETWEEN 12 AND 16 PERCENT WILL CONTINUE LATE THIS AFTERNOON THEN SLOWLY IMPROVE NEAR SUNSET. * WINDS...WEST TO NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...NEW AND EXISTING FIRES MAY EXPERIENCE RAPID 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. && $$
819 WWUS85 KBOU 242353 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 553 PM MDT TUE MAR 24 2015 COZ215-216-238>251-250100- /O.EXP.KBOU.FW.W.0002.000000T0000Z-150325T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 553 PM MDT TUE MAR 24 2015 ...RED FLAG WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEASTERN COLORADO PLAINS... SUSTAINED WINDS OF 10 TO 20 MPH WITH GUSTING UP TO 25 MPH WILL DECREASE AND COME TO AN END OVER THE NEXT HOUR OVER THE FAR NORTHEASTERN PLAINS. $$
Nearby
Red Flag Warnings in Colorado, 2015Every red flag warning in 2015
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.