Alert archive / Texas / Red Flag Warnings in 2017
Red Flag Warning 3, NWS Brownsville, TX
NWS Brownsville, TX issued this red flag warning at Feb 24, 2017, 4:39 AM CST for 8 counties in Texas. It took effect at Feb 24, 2017, 12:00 PM CST. It was in force for 6 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
- Feb 24, 2017, 4:39 AM CST (10:39 UTC)
- In effect from
- Feb 24, 2017, 12:00 PM CST
- Expired
- Feb 24, 2017, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Brownsville, TX
Counties Brooks County, TX, Cameron County, TX, Hidalgo County, TX, Jim Hogg County, TX, Kenedy County, TX, Starr County, TX, Willacy County, TX, Zapata County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 10.7 hours before the alert went out and 120 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
- 3230 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
054 WWUS84 KBRO 241039 AAA RFWBRO URGENT - FIRE WEATHER MESSAGE National Weather Service Brownsville TX 439 AM CST Fri Feb 24 2017 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED ACROSS MUCH OF DEEP SOUTH TEXAS TODAY... .THE COMBINATION OF STRONG NORTHWEST WINDS BEHIND A COLD FRONT... ALONG WITH ASSOCIATED LOW RELATIVE HUMIDITY VALUES...WILL CREATE CONDITIONS FAVORABLE FOR ERRATIC TO EXTREME WILDFIRE GROWTH AND SPREAD FRIDAY AFTERNOON. TXZ248>255-241900- /O.UPG.KBRO.FW.A.0003.170224T1800Z-170225T0000Z/ /O.NEW.KBRO.FW.W.0003.170224T1800Z-170225T0000Z/ Zapata-Jim Hogg-Brooks-Kenedy-Starr-Hidalgo-Inland Willacy- Inland Cameron- 439 AM CST Fri Feb 24 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR STRONG WINDS FOR FIRE WEATHER ZONES 248, 249, 250, 251, 252, 253, 254, AND 255... The National Weather Service in Brownsville has issued a Red Flag Warning, which is in effect from noon today to 6 PM CST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 248, 249, 250, 251, 252, 253, 254, and 255. * WIND...20 MPH....with gusts to 25 MPH. * HUMIDITY...Single digits West to 20 percent East. * THUNDERSTORMS...Not expected. * HIGHEST THREAT...Is generally located along and west of the I-69E corridor. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means critical fire weather conditions are occurring now...or will shortly. In general...these conditions include sustained 20 foot winds of 25 MPH or greater...humidity ranging from below 25 percent in Zapata County to below 45 percent along the coast...each lasting for 2 hours or longer... and cured fuels. Humidity below 25 percent in most areas will trigger fire danger at lower wind speeds. Detailed decision tables are found at HTTP://WEATHER.GOV/RGV/?N=MAPCOLORS#FIRE. && $$ 69
2 follow-up statements
830 WWUS84 KBRO 241855 RFWBRO URGENT - FIRE WEATHER MESSAGE National Weather Service Brownsville TX 1255 PM CST Fri Feb 24 2017 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED ACROSS MUCH OF DEEP SOUTH TEXAS THIS AFTERNOON... .THE COMBINATION OF STRONG NORTHWEST WINDS BEHIND A COLD FRONT... ALONG WITH ASSOCIATED LOW RELATIVE HUMIDITY VALUES...WILL CREATE CONDITIONS FAVORABLE FOR ERRATIC TO EXTREME WILDFIRE GROWTH AND SPREAD THIS AFTERNOON. TXZ248>255-250000- /O.CON.KBRO.FW.W.0003.000000T0000Z-170225T0000Z/ Zapata-Jim Hogg-Brooks-Kenedy-Starr-Hidalgo-Inland Willacy- Inland Cameron- 1255 PM CST Fri Feb 24 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR STRONG WINDS FOR FIRE WEATHER ZONES 248, 249, 250, 251, 252, 253, 254, AND 255... * AFFECTED AREA...Fire weather zones 248, 249, 250, 251, 252, 253, 254, and 255. * WIND...20 MPH....with gusts to 28 MPH. * HUMIDITY...Single digits West to 20 percent East. * THUNDERSTORMS...Not expected. * HIGHEST THREAT...Is generally located along and west of the I-69E corridor. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means critical fire weather conditions are occurring now...or will shortly. In general...these conditions include sustained 20 foot winds of 25 MPH or greater...humidity ranging from below 25 percent in Zapata County to below 45 percent along the coast...each lasting for 2 hours or longer... and cured fuels. Humidity below 25 percent in most areas will trigger fire danger at lower wind speeds. Detailed decision tables are found at HTTP://WEATHER.GOV/RGV/?N=MAPCOLORS#FIRE. && $$ 19
250 WWUS84 KBRO 250029 RFWBRO URGENT - FIRE WEATHER MESSAGE National Weather Service Brownsville TX 629 PM CST Fri Feb 24 2017 ...RED FLAG WARNING NO LONGER IN EFFECT... .WINDS HAVE BEGUN TO DIMINISH AND RELATIVE HUMIDITY PERCENTAGES HAVE STARTED TO RISE...ESPECIALLY OVER THE EASTERN ZONES. THEREFORE THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. ELEVATED THREAT OF ERRATIC FIRE BEHAVIOR WILL PERSIST IN HIDALGO COUNTY FOR THE NEXT HOUR OR SO...BEFORE WINDS DIMINISH FURTHER. TXZ248>255-250130- /O.EXP.KBRO.FW.W.0003.000000T0000Z-170225T0000Z/ Zapata-Jim Hogg-Brooks-Kenedy-Starr-Hidalgo-Inland Willacy- Inland Cameron- 629 PM CST Fri Feb 24 2017 ...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 248, 249, 250, 251, 252, 253, 254, AND 255... THE COMBINATION OF LIGHTER WINDS AND HIGHER RELATIVE HUMIDITY VALUES WILL RESULT IN A LOW RISK OF WILDFIRE DANGER AND SPREAD THROUGH THE OVERNIGHT HOURS TONIGHT...EXCEPT FOR HIDALGO COUNTY WHERE THE THREAT OF ERRATIC FIRE BEHAVIOR MAY REMAIN ELEVATED THROUGH ABOUT 8PM. $$ 53
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 3:24 AM CST | Small Craft Advisory | BRO | 6 hr |
Nearby
Red Flag Warnings in Texas, 2017Every red flag warning in 2017
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.