Alert archive / Texas / Red Flag Warnings in 2021
Red Flag Warning 10, NWS Amarillo, TX
NWS Amarillo, TX issued this red flag warning at Apr 25, 2021, 2:48 PM CDT for 16 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma. It took effect at Apr 26, 2021, 12:00 PM CDT. It was in force for 10 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 25, 2021, 2:48 PM CDT (19:48 UTC)
- In effect from
- Apr 26, 2021, 12:00 PM CDT
- Expired
- Apr 26, 2021, 10:00 PM CDT
- In force
- 10 hr
- Issued by
- NWS Amarillo, TX
Counties Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 63 km from the middle of the area, began a volume at 19:54 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 7.8 hours before the alert went out and 64 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
- 2285 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 689 m²/s²
- 0-3 km storm-relative helicity
- 763 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
084 WWUS84 KAMA 251948 RFWAMA URGENT - FIRE WEATHER MESSAGE National Weather Service Amarillo TX 248 PM CDT Sun Apr 25 2021 OKZ001>003-TXZ001>003-006>008-011>013-016>018-317-260800- /O.UPG.KAMA.FW.A.0008.210426T1700Z-210427T0300Z/ /O.NEW.KAMA.FW.W.0010.210426T1700Z-210427T0300Z/ /O.CON.KAMA.FW.W.0009.000000T0000Z-210426T0200Z/ Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Hartley-Moore- Hutchinson-Oldham-Potter-Carson-Deaf Smith-Randall-Armstrong- Palo Duro Canyon- 248 PM CDT Sun Apr 25 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN AND CENTRAL COMBINED PANHANDLES... ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM CDT MONDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MOST OF THE PANHANDLES... The National Weather Service in Amarillo has issued a Red Flag Warning for strong winds and low relative humidity, which is in effect from noon to 10 PM CDT Monday. The Fire Weather Watch is no longer in effect. * Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In Texas...Dallam...Sherman...Hansford...Hartley...Moore... Hutchinson...Oldham...Potter...Carson...Deaf Smith...Randall... Armstrong and Palo Duro Canyon. * 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 5 percent. * Red Flag Threat Index...4 to 7 with isolated 8s. * Timing...11 AM through 9 PM. 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 will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks. && $$ TXZ004-009-014-019-260800- /O.UPG.KAMA.FW.A.0008.210426T1700Z-210427T0300Z/ /O.NEW.KAMA.FW.W.0010.210426T1700Z-210427T0300Z/ Ochiltree-Roberts-Gray-Donley- 248 PM CDT Sun Apr 25 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM CDT MONDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MOST OF THE PANHANDLES... The National Weather Service in Amarillo has issued a Red Flag Warning for strong winds and low relative humidity, which is in effect from noon to 10 PM CDT Monday. The Fire Weather Watch is no longer in effect. * Affected Area...In Texas...Ochiltree...Roberts...Gray and Donley. * 20 Foot Winds...South 20 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 9 percent. * Red Flag Threat Index...4 to 6. * Timing...11 AM through 10 PM PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks. && $$ For more information from the National Weather Service visit... www.weather.gov/ama
3 follow-up statements
847 WWUS84 KAMA 260244 RFWAMA URGENT - FIRE WEATHER MESSAGE National Weather Service Amarillo TX 944 PM CDT Sun Apr 25 2021 OKZ001>003-TXZ001>004-006>009-011>014-016>019-317-261200- /O.CON.KAMA.FW.W.0010.210426T1700Z-210427T0300Z/ Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Hartley- Moore-Hutchinson-Roberts-Oldham-Potter-Carson-Gray-Deaf Smith- Randall-Armstrong-Donley-Palo Duro Canyon- 944 PM CDT Sun Apr 25 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM CDT MONDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES FOR ALL OF THE OKLAHOMA PANHANDLE AND MOST OF THE TEXAS PANHANDLE... * Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In Texas...Dallam...Sherman...Hansford...Ochiltree...Hartley... Moore...Hutchinson...Roberts...Oldham...Potter...Carson... Gray... Deaf Smith...Randall...Armstrong...Donley and Palo Duro Canyon. * 20 Foot Winds...South to southwest 20 to 30 mph with gusts of 40 to 45 mph. * Relative Humidity...As low as 5 to 9 percent. * Red Flag Threat Index...4 to 7, isolated 8. * Timing...Noon through 10 PM CDT. 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 will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks. && $$ For more information from the National Weather Service visit... www.weather.gov/ama
642 WWUS84 KAMA 260827 RFWAMA URGENT - FIRE WEATHER MESSAGE National Weather Service Amarillo TX 327 AM CDT Mon Apr 26 2021 OKZ001>003-TXZ001>004-006>009-011>014-016>019-317-262100- /O.CON.KAMA.FW.W.0010.210426T1700Z-210427T0300Z/ Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Hartley- Moore-Hutchinson-Roberts-Oldham-Potter-Carson-Gray-Deaf Smith- Randall-Armstrong-Donley-Palo Duro Canyon- 327 AM CDT Mon Apr 26 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN AND CENTRAL TEXAS PANHANDLE AS WELL AS THE OKLAHOMA PANHANDLE... * Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In Texas...Dallam...Sherman...Hansford...Ochiltree...Hartley... Moore...Hutchinson...Roberts...Oldham...Potter...Carson... Gray... Deaf Smith...Randall...Armstrong...Donley and Palo Duro Canyon. * 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 5 percent. * Red Flag Threat Index...4 to 7 eastern and central, 7 to 8 in the west. * Timing...Noon through 10 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks. && $$ For more information from the National Weather Service visit... www.weather.gov/ama
195 WWUS84 KAMA 261956 RFWAMA URGENT - FIRE WEATHER MESSAGE National Weather Service Amarillo TX 256 PM CDT Mon Apr 26 2021 OKZ001-002-TXZ001-002-006-007-011-016-270800- /O.NEW.KAMA.FW.W.0011.210427T1700Z-210428T0200Z/ /O.CON.KAMA.FW.W.0010.000000T0000Z-210427T0300Z/ Cimarron-Texas-Dallam-Sherman-Hartley-Moore-Oldham-Deaf Smith- 256 PM CDT Mon Apr 26 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN AND CENTRAL TEXAS PANHANDLE AS WELL AS THE OKLAHOMA PANHANDLE... ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM CDT TUESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR WESTERN PORTIONS OF THE COMBINED PANHANDLES... The National Weather Service in Amarillo has issued a Red Flag Warning for strong winds and low relative humidity, which is in effect from noon to 9 PM CDT Tuesday. * Affected Area...In Oklahoma...Cimarron and Texas. In Texas... Dallam...Sherman...Hartley...Moore...Oldham and Deaf Smith. * 20 Foot Winds...Southwest 25 to 35 mph with gusts up to 55 mph. * Relative Humidity...As low as 6 percent. * Red Flag Threat Index...3 to 6 across western portions of the Panhandles. * Timing...Noon through 9 PM CDT. 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 will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks. && $$ OKZ003-TXZ003-004-008-009-012>014-017>019-317-270300- /O.CON.KAMA.FW.W.0010.000000T0000Z-210427T0300Z/ Beaver-Hansford-Ochiltree-Hutchinson-Roberts-Potter-Carson-Gray- Randall-Armstrong-Donley-Palo Duro Canyon- 256 PM CDT Mon Apr 26 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN AND CENTRAL TEXAS PANHANDLE AS WELL AS THE OKLAHOMA PANHANDLE... * Affected Area...In Oklahoma...Beaver. In Texas...Hansford... Ochiltree...Hutchinson...Roberts...Potter...Carson...Gray... Randall...Armstrong...Donley and Palo Duro Canyon. * 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 40 to 45 mph. * Relative Humidity...As low as 5 percent. * Red Flag Threat Index...4 to 7 eastern and central, 6 to 8 in the west. * Timing...Noon through 10 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks. && $$ For more information from the National Weather Service visit... www.weather.gov/ama
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 2:48 AM CDT | Red Flag Warning | AMA | Armstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 6 more | 18 hr |
Nearby
Red Flag Warnings in Texas, 2021Red Flag Warnings in Oklahoma, 2021Every red flag warning in 2021
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.