Alert archive / Texas / Red Flag Warnings in 2012
Red Flag Warning 3, NWS Brownsville, TX
NWS Brownsville, TX issued this red flag warning at Feb 17, 2012, 5:19 AM CST for 8 counties in Texas. It took effect at Feb 18, 2012, 12:00 PM CST. It was in force for . 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 17, 2012, 5:19 AM CST (11:19 UTC)
- In effect from
- Feb 18, 2012, 12:00 PM CST
- Expired
- Feb 17, 2012, 9:56 AM CST
- In force
- 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 radar
The Brownsville radar (KBRO), 118 km from the middle of the area, began a volume at 11:20 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
Brownsville Intl, TX (KBRO), launched 00:00Z, 11.3 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
- 23 J/kg
- Mixed-layer CIN
- -197 J/kg
- Mixed-layer LCL
- 808 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
041 WWUS84 KBRO 171119 RFWBRO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 519 AM CST FRI FEB 17 2012 ...VERY STRONG NORTHWEST WINDS WILL DEVELOP ACROSS THE RIO GRANDE VALLEY SATURDAY... .A COLD FRONT WILL MOVE ACROSS THE RIO GRANDE VALLEY SATURDAY MORNING. THE PASSAGE OF THIS FRONTAL SYSTEM WILL RESULT IN STRONG TO VERY STRONG NORTHWEST WINDS ACROSS THE AREA LATE SATURDAY MORNING THROUGH EARLY SATURDAY AFTERNOON. THE COMBINATION OF DRIER CONDITIONS...VERY GUSTY NORTHWEST WINDS AND FALLING RELATIVE HUMIDITY VALUES WILL RESULT IN AN ENHANCED RISK OF WILDFIRE GROWTH AND SPREAD FOR SATURDAY AFTERNOON. AFTER SATURDAY...THE SURFACE WINDS WILL WEAKEN AND WILL BECOME MORE NORTH TO NORTHEAST SATURDAY NIGHT AND SUNDAY. TXZ248>257-171930- /O.NEW.KBRO.FW.W.0003.120218T1800Z-120219T0000Z/ ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY- INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON- 519 AM CST FRI FEB 17 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CST SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 248...249... 250...251...252...253...254...255...256 AND 257... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CST SATURDAY. * AFFECTED AREA...FIRE WEATHER ZONES 248...249...250...251... 252...253...254...255...256 AND 257. * TIMING...THE WINDS WILL INCREASE FROM THE NORTHWEST SATURDAY AS RELATIVE HUMIDITY LEVELS FALL SATURDAY AFTERNOON. * WIND...THE 20 FOOT WINDS WILL BLOW FROM THE NORTHWEST AT 25 TO 30 MPH WITH SOME HIGHER GUSTS. * HUMIDITY...THE RELATIVE HUMIDITY VALUES ACROSS MOST OF THE RIO GRANDE VALLEY WILL FALL INTO THE 20 TO 30 PERCENT RANGE WITH VALUES OF 25 TO 35 PERCENT LIKELY CLOSER TO THE COASTLINE. * 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 MORE... 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. && $$ CASTILLO
1 follow-up statement
070 WWUS84 KBRO 171556 RFWBRO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 956 AM CST FRI FEB 17 2012 ...STRONG NORTHWEST WINDS WILL INCREASE THREAT OF FIRE GROWTH AND SPREAD... .STRONG NORTHWEST WINDS ARE LIKELY SATURDAY BEHIND A COLD FRONT... HOWEVER RAINFALL AND HIGHER HUMIDITY VALUES WILL KEEP THE THREAT BELOW RED FLAG WARNING CRITERIA. TXZ248>257-171700- /O.CAN.KBRO.FW.W.0003.120218T1800Z-120219T0000Z/ ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY- INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON- 956 AM CST FRI FEB 17 2012 ...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES 248...249... 250...251...252...253...254...255...256 AND 257... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE RED FLAG WARNING. AFTER REEVALUATION...IN ADDITION TO WETTING RAINS...RELATIVE HUMIDITY VALUES WILL LIKELY BE TOO HIGH TO MEET RED FLAG WARNING CRITERIA WITH HIGH CONFIDENCE. HAVE THEREFORE CANCELLED THE RED FLAG WARNING. $$
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 12:34 AM CST | Areal Flood Advisory | BRO | Cameron | 116 min |
| Feb 17, 1:27 AM CST | Special Marine Warning | BRO | 63 min | |
| Feb 17, 4:01 AM CST | Gale Watch | BRO | 23 hr | |
| Feb 17, 4:21 AM CST | Wind Advisory | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 38 hr |
| Feb 17, 6:21 AM CST | Small Craft Advisory for Hazardous Seas | BRO | 9 hr | |
| Feb 17, 9:22 AM CST | Small Craft Advisory | BRO | 7 hr | |
| Feb 17, 9:22 AM CST | Small Craft Advisory | BRO | 7 hr | |
| Feb 17, 9:22 AM CST | Small Craft Advisory for Winds | BRO | 7 hr |
Nearby
Red Flag Warnings in Texas, 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.