Alert archive / Texas / Red Flag Warnings in 2012
Red Flag Warning 18, NWS Amarillo, TX
NWS Amarillo, TX issued this red flag warning at Sep 11, 2012, 4:50 AM CDT for Beaver County, Oklahoma; 4 counties in Texas. It took effect at Sep 11, 2012, 12:00 PM CDT. 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
- Sep 11, 2012, 4:50 AM CDT (09:50 UTC)
- In effect from
- Sep 11, 2012, 12:00 PM CDT
- Expired
- Sep 11, 2012, 8:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Amarillo, TX
Counties Beaver County, OK, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX
The radar
The Amarillo radar (KAMA), 151 km from the middle of the area, began a volume at 09:51 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, 9.8 hours before the alert went out and 151 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
- 42 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 2506 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
862 WWUS84 KAMA 110950 RFWAMA URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AMARILLO TX 450 AM CDT TUE SEP 11 2012 ...RED FLAG WARNING IS IN EFFECT THIS AFTERNOON THROUGH EARLY THIS EVENING FOR THE EASTERN OKLAHOMA AND THE NORTHEAST TEXAS PANHANDLES DUE TO STRONG WINDS AND LOW HUMIDITIES... .A SURFACE LOW OVER EASTERN AND SOUTHEASTERN COLORADO WITH A SURFACE TROUGH EXTENDING SOUTH INTO THE EASTERN PLAINS OF NEW MEXICO WILL DEEPEN TODAY AND ALLOW FOR INCREASING SOUTHERLY WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS ACROSS THE EASTERN OKLAHOMA AND NORTHEAST TEXAS PANHANDLES THIS AFTERNOON INTO EARLY THIS EVENING. THESE WINDS ALONG WITH MINIMUM AFTERNOON RELATIVE HUMIDITIES NEAR 10 TO 15 PERCENT WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. THE WINDS ARE EXPECTED TO DIMINISH AND THE RELATIVE HUMIDITIES ARE EXPECTED TO INCREASE BELOW CRITICAL THRESHOLDS SHORTLY AFTER SUNSET THIS EVENING. OKZ003-TXZ004-005-009-010-112100- /O.NEW.KAMA.FW.W.0018.120911T1700Z-120912T0100Z/ BEAVER-OCHILTREE-LIPSCOMB-ROBERTS-HEMPHILL- 450 AM CDT TUE SEP 11 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EASTERN OKLAHOMA AND THE NORTHEAST TEXAS PANHANDLES... THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING. * AFFECTED AREA: IN OKLAHOMA...BEAVER. IN TEXAS...OCHILTREE... LIPSCOMB...ROBERTS...HEMPHILL. * 20 FOOT WIND: SOUTHERLY 15 TO 25 MPH WITH HIGHER GUSTS BETWEEN 30 AND 35 MPH. * MINIMUM RELATIVE HUMIDITY: BETWEEN 10 AND 15 PERCENT THIS AFTERNOON THROUGH EARLY THIS EVENING. * TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO BE REACHED BETWEEN 1 PM AND 2 PM CDT THIS AFTERNOON AND CONTINUE UNTIL EARLY THIS EVENING. THE CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO IMPROVE AROUND OR SHORTLY AFTER SUNSET THIS EVENING OR 8 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO QUICKLY BECOME DANGEROUS WIND-DRIVEN WILDFIRES. && $$ SCHNEIDER FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT... HTTP://WWW.SRH.NOAA.GOV/AMA
2 follow-up statements
330 WWUS84 KAMA 112049 RFWAMA URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AMARILLO TX 349 PM CDT TUE SEP 11 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EASTERN OKLAHOMA AND THE NORTHEAST TEXAS PANHANDLES... .A SURFACE LOW OVER EASTERN AND SOUTHEASTERN COLORADO WITH A SURFACE TROUGH EXTENDING SOUTH INTO THE EASTERN PLAINS OF NEW MEXICO WILL KEEP WINDS GUSTY THROUGH THE EARLY EVENING. SOUTHERLY WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS WILL CONTINUE ACROSS THE EASTERN OKLAHOMA AND NORTHEAST TEXAS PANHANDLES THROUGH EARLY THIS EVENING. THESE WINDS ALONG WITH MINIMUM RELATIVE HUMIDITIES NEAR 10 TO 15 PERCENT WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. THE WINDS ARE EXPECTED TO DIMINISH AND THE RELATIVE HUMIDITIES ARE EXPECTED TO INCREASE BELOW CRITICAL THRESHOLDS SHORTLY AFTER SUNSET THIS EVENING. OKZ003-TXZ004-005-009-010-120100- /O.CON.KAMA.FW.W.0018.000000T0000Z-120912T0100Z/ BEAVER-OCHILTREE-LIPSCOMB-ROBERTS-HEMPHILL- 349 PM CDT TUE SEP 11 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EASTERN OKLAHOMA AND THE NORTHEAST TEXAS PANHANDLES... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING. * AFFECTED AREA: IN OKLAHOMA...BEAVER. IN TEXAS...OCHILTREE... LIPSCOMB...ROBERTS...HEMPHILL. * 20 FOOT WIND: SOUTHERLY 15 TO 25 MPH WITH HIGHER GUSTS BETWEEN 30 AND 35 MPH. * MINIMUM RELATIVE HUMIDITY: BETWEEN 10 AND 15 PERCENT THROUGH EARLY THIS EVENING. * TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO CONTINUE UNTIL EARLY THIS EVENING. THE CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO IMPROVE SHORTLY AFTER 8 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO QUICKLY BECOME DANGEROUS WIND-DRIVEN WILDFIRES. && $$ GOEHRING FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT... HTTP://WWW.SRH.NOAA.GOV/AMA
356 WWUS84 KAMA 120056 RFWAMA URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AMARILLO TX 756 PM CDT TUE SEP 11 2012 OKZ003-TXZ004-005-009-010-120200- /O.EXP.KAMA.FW.W.0018.000000T0000Z-120912T0100Z/ BEAVER-OCHILTREE-LIPSCOMB-ROBERTS-HEMPHILL- 756 PM CDT TUE SEP 11 2012 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EASTERN OKLAHOMA AND THE NORTHEAST TEXAS PANHANDLES... THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING. * AFFECTED AREA: IN OKLAHOMA...BEAVER. IN TEXAS...OCHILTREE... LIPSCOMB...ROBERTS...HEMPHILL. * WIND: SOUTH AND SOUTHWEST WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS WILL DIMINISH DURING THE EVENING. * HUMIDITY: RELATIVE HUMIDITY WILL CONTINUE TO RISE ABOVE 15 PERCENT THROUGH THE EVENING. * IMPACTS: ELEVATED FIRE WEATHER CONDITIONS WILL CONTINUE UNTIL AROUND 10 PM THIS EVENING. $$ COCKRELL FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT... HTTP://WWW.SRH.NOAA.GOV/AMA
Nearby
Red Flag Warnings in Texas, 2012Red Flag Warnings in Oklahoma, 2012Every red flag warning in 2012
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.