Alert archive / Texas / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Amarillo, TX
NWS Amarillo, TX issued this red flag warning at Apr 25, 2021, 2:48 AM CDT for 12 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma. It took effect at Apr 25, 2021, 11:00 AM 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 AM CDT (07:48 UTC)
- In effect from
- Apr 25, 2021, 11:00 AM CDT
- Expired
- Apr 25, 2021, 9:00 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, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 70 km from the middle of the area, began a volume at 07:51 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 00:00Z, 7.8 hours before the alert went out and 70 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
- 3276 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
791 WWUS84 KAMA 250748 RFWAMA URGENT - FIRE WEATHER MESSAGE National Weather Service Amarillo TX 248 AM CDT Sun Apr 25 2021 OKZ001-002-TXZ001-002-006-007-011-012-016-017-317-252200- /O.UPG.KAMA.FW.A.0007.210425T1600Z-210426T0200Z/ /O.NEW.KAMA.FW.W.0009.210425T1600Z-210426T0200Z/ /O.CON.KAMA.FW.A.0008.210426T1700Z-210427T0300Z/ Cimarron-Texas-Dallam-Sherman-Hartley-Moore-Oldham-Potter- Deaf Smith-Randall-Palo Duro Canyon- 248 AM CDT Sun Apr 25 2021 ...A RED FLAG WARNING IS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN AND CENTRAL COMBINED PANHANDLES... ...A FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MOST 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 11 AM this morning to 9 PM CDT this evening. The Fire Weather Watch is no longer in effect. * Affected Area...In Oklahoma...Cimarron and Texas. In Texas... Dallam...Sherman...Hartley...Moore...Oldham...Potter...Deaf Smith...Randall and Palo Duro Canyon. * 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 40 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. A Fire Weather Watch means that the potential for critical fire weather conditions exists. Listen for later forecasts and possible red flag warnings. && $$ OKZ003-TXZ003-008-013-018-252200- /O.NEW.KAMA.FW.W.0009.210425T1600Z-210426T0200Z/ /O.CON.KAMA.FW.A.0008.210426T1700Z-210427T0300Z/ Beaver-Hansford-Hutchinson-Carson-Armstrong- 248 AM CDT Sun Apr 25 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 9 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EASTERN OKLAHOMA PANHANDLE... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MOST OF THE COMBINED PANHANDLES... The National Weather Service in Amarillo has issued a Red Flag Warning for strong winds and low relative humidity, which is in effect from 11 AM this morning to 9 PM CDT this evening. * Affected Area...In Oklahoma...Beaver. In Texas...Hansford... Hutchinson...Carson and Armstrong. * 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 40 mph. * Relative Humidity...As low as 8 percent. * Red Flag Threat Index...4 to 6. * Timing...11 AM through 9 PM PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks. A Fire Weather Watch means that the potential for critical fire weather conditions exists. Listen for later forecasts and possible red flag warnings. && $$ TXZ004-009-014-019-252200- /O.CON.KAMA.FW.A.0008.210426T1700Z-210427T0300Z/ Ochiltree-Roberts-Gray-Donley- 248 AM CDT Sun Apr 25 2021 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MOST OF THE COMBINED PANHANDLES... * Affected Area...In Texas...Ochiltree...Roberts...Gray and Donley. * 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 40 mph. * Relative Humidity...As low as 8 percent. * Red Flag Threat Index...4 to 6. * Timing...11 AM through 10 PM PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that the potential for critical fire weather conditions exists. Listen for later forecasts and possible red flag warnings. && $$ For more information from the National Weather Service visit... www.weather.gov/ama
1 follow-up statement
084 WWUS84 KAMA 251948 RFWAMA URGENT - FIRE WEATHER MESSAGE National Weather Service Amarillo TX 248 PM CDT Sun Apr 25 2021 OKZ001>003-TXZ001>003-006>008-011>013-016>018-317-260800- /O.UPG.KAMA.FW.A.0008.210426T1700Z-210427T0300Z/ /O.NEW.KAMA.FW.W.0010.210426T1700Z-210427T0300Z/ /O.CON.KAMA.FW.W.0009.000000T0000Z-210426T0200Z/ Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Hartley-Moore- Hutchinson-Oldham-Potter-Carson-Deaf Smith-Randall-Armstrong- Palo Duro Canyon- 248 PM CDT Sun Apr 25 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN AND CENTRAL COMBINED PANHANDLES... ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM CDT MONDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MOST OF THE PANHANDLES... The National Weather Service in Amarillo has issued a Red Flag Warning for strong winds and low relative humidity, which is in effect from noon to 10 PM CDT Monday. The Fire Weather Watch is no longer in effect. * Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In Texas...Dallam...Sherman...Hansford...Hartley...Moore... Hutchinson...Oldham...Potter...Carson...Deaf Smith...Randall... Armstrong and Palo Duro Canyon. * 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 5 percent. * Red Flag Threat Index...4 to 7 with isolated 8s. * Timing...11 AM through 9 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures will create favorable weather for rapid fire growth and spread. Avoid activities that promote open flames and sparks. && $$ 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
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 2:48 PM CDT | Red Flag Warning | AMA | Armstrong, Carson, Dallam, Deaf Smith, Donley, Gray and 10 more | 31 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.