IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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- Help: This page!
- Event Info: Details of the selected event.
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2025 [KBOU] DENVER Red Flag (FW) Warning (W) Number 8
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
463 WWUS85 KBOU 212109 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 309 PM MDT Fri Mar 21 2025 COZ238>240-242>244-248-250-251-220515- /O.UPG.KBOU.FW.A.0006.250322T1800Z-250323T0200Z/ /O.NEW.KBOU.FW.W.0008.250322T1800Z-250323T0200Z/ 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-Northeast Weld County- Central and South Weld County-Morgan County-Logan County- Sedgwick County-Phillips County- 309 PM MDT Fri Mar 21 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF THE NORTHEAST PLAINS... 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 Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 242, 243, 244, 248, 250 and 251. * TIMING...From noon to 8 PM MDT Saturday. * WINDS...West 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. 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. && $$
976 WWUS85 KBOU 220910 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 310 AM MDT Sat Mar 22 2025 COZ238>240-242>244-248-250-251-230200- /O.CON.KBOU.FW.W.0008.250322T1800Z-250323T0200Z/ Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Northeast Weld County- Central and South Weld County-Morgan County-Logan County- Sedgwick County-Phillips County- 310 AM MDT Sat Mar 22 2025 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND NORTHERN PLAINS... * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 242, 243, 244, 248, 250 and 251. * TIMING...From noon today to 8 PM MDT this evening. * WINDS...West 20 to 30 mph with gusts 40 to 50 mph. * RELATIVE HUMIDITY...13 to 20 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Rodriguez
651 WWUS85 KBOU 222007 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 207 PM MDT Sat Mar 22 2025 COZ238>240-242>244-248-250-251-230200- /O.CON.KBOU.FW.W.0008.000000T0000Z-250323T0200Z/ 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-Northeast Weld County- Central and South Weld County-Morgan County-Logan County- Sedgwick County-Phillips County- 207 PM MDT Sat Mar 22 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND NORTHERN PLAINS... * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 242, 243, 244, 248, 250 and 251. * TIMING...Until 8 PM MDT this evening. * WINDS...West 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. 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. && $$
270 WWUS85 KBOU 230158 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 758 PM MDT Sat Mar 22 2025 COZ238>240-242>244-248-250-251-230300- /O.EXP.KBOU.FW.W.0008.000000T0000Z-250323T0200Z/ Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Northeast Weld County- Central and South Weld County-Morgan County-Logan County- Sedgwick County-Phillips County- 758 PM MDT Sat Mar 22 2025 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND NORTHERN PLAINS... Humidity levels have increased and winds have decreased over the area. $$
Permalink to 202503212109-KBOU-WWUS85-RFWBOU
463 WWUS85 KBOU 212109 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 309 PM MDT Fri Mar 21 2025 COZ238>240-242>244-248-250-251-220515- /O.UPG.KBOU.FW.A.0006.250322T1800Z-250323T0200Z/ /O.NEW.KBOU.FW.W.0008.250322T1800Z-250323T0200Z/ 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-Northeast Weld County- Central and South Weld County-Morgan County-Logan County- Sedgwick County-Phillips County- 309 PM MDT Fri Mar 21 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF THE NORTHEAST PLAINS... 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 Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 242, 243, 244, 248, 250 and 251. * TIMING...From noon to 8 PM MDT Saturday. * WINDS...West 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. 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. && $$
Permalink to 202503220910-KBOU-WWUS85-RFWBOU
976 WWUS85 KBOU 220910 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 310 AM MDT Sat Mar 22 2025 COZ238>240-242>244-248-250-251-230200- /O.CON.KBOU.FW.W.0008.250322T1800Z-250323T0200Z/ Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Northeast Weld County- Central and South Weld County-Morgan County-Logan County- Sedgwick County-Phillips County- 310 AM MDT Sat Mar 22 2025 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND NORTHERN PLAINS... * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 242, 243, 244, 248, 250 and 251. * TIMING...From noon today to 8 PM MDT this evening. * WINDS...West 20 to 30 mph with gusts 40 to 50 mph. * RELATIVE HUMIDITY...13 to 20 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Rodriguez
Permalink to 202503222007-KBOU-WWUS85-RFWBOU
651 WWUS85 KBOU 222007 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 207 PM MDT Sat Mar 22 2025 COZ238>240-242>244-248-250-251-230200- /O.CON.KBOU.FW.W.0008.000000T0000Z-250323T0200Z/ 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-Northeast Weld County- Central and South Weld County-Morgan County-Logan County- Sedgwick County-Phillips County- 207 PM MDT Sat Mar 22 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND NORTHERN PLAINS... * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 242, 243, 244, 248, 250 and 251. * TIMING...Until 8 PM MDT this evening. * WINDS...West 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. 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. && $$
Permalink to 202503230158-KBOU-WWUS85-RFWBOU
270 WWUS85 KBOU 230158 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 758 PM MDT Sat Mar 22 2025 COZ238>240-242>244-248-250-251-230300- /O.EXP.KBOU.FW.W.0008.000000T0000Z-250323T0200Z/ Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Northeast Weld County- Central and South Weld County-Morgan County-Logan County- Sedgwick County-Phillips County- 758 PM MDT Sat Mar 22 2025 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND NORTHERN PLAINS... Humidity levels have increased and winds have decreased over the area. $$
All Storm Reports within Event Political Coverage
Storm Reports within Product Polygon
This table lists other events issued by the selected office for the selected year. Click on the row to select that event.