Alert archive / Texas / Red Flag Warnings in 2012
Red Flag Warning 5, NWS Brownsville, TX
NWS Brownsville, TX issued this red flag warning at Dec 19, 2012, 12:27 PM CST for 8 counties in Texas. It took effect at Dec 20, 2012, 8:00 AM CST. 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
- Dec 19, 2012, 12:27 PM CST (18:27 UTC)
- In effect from
- Dec 20, 2012, 8:00 AM CST
- Expired
- Dec 20, 2012, 6:00 PM CST
- In force
- 10 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 radar
The Brownsville radar (KBRO), 118 km from the middle of the area, began a volume at 18:29 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 12:00Z, 6.5 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
- 950 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
072 WWUS84 KBRO 191827 RFWBRO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 1227 PM CST WED DEC 19 2012 ...EXTREME RISK OF WILDFIRE GROWTH AND SPREAD THURSDAY... .A STRONG COLD FRONT WILL ARRIVE THURSDAY MORNING...WITH 20 FT WINDS IN THE 15 TO 25 MPH RANGE. MUCH DRIER AIR WILL ALSO QUICKLY MOVE INTO DEEP SOUTH TEXAS...WITH RELATIVE HUMIDITY VALUES DECREASING BELOW 20 PERCENT BY MID MORNING AND REMAINING IN THE TEENS THROUGH THE AFTERNOON. THE COMBINATION OF THESE EFFECTS WILL BRING AN EXTREME RISK OF WILDFIRE GROWTH AND SPREAD THROUGH THURSDAY AFTERNOON. THE WORST CONDITIONS WILL OCCUR FROM AROUND 9 AM TO 3 PM. TXZ256-257-191930- /O.CAN.KBRO.FW.A.0005.121220T1200Z-121221T0000Z/ COASTAL WILLACY-COASTAL CAMERON- 1227 PM CST WED DEC 19 2012 ...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 256 AND 257... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE FIRE WEATHER WATCH. A FIRE DANGER STATEMENT WILL BE ISSUED FOR ENHANCED SPREAD AND GROWTH POTENTIAL. $$ TXZ248>255-201100- /O.UPG.KBRO.FW.A.0005.121220T1200Z-121221T0000Z/ /O.NEW.KBRO.FW.W.0005.121220T1400Z-121221T0000Z/ ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY- INLAND CAMERON- 1227 PM CST WED DEC 19 2012 ...RED FLAG WARNING IN EFFECT FROM 8 AM TO 6 PM CST THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 248...249... 250...251...252...253...254 AND 255... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 8 AM TO 6 PM CST THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 248...249...250...251... 252...253...254 AND 255. * TIMING...A COLD FRONT WILL RACE THROUGH THE COUNTY WARNING AREA BETWEEN MIDNIGHT AND 6 AM. * WIND...NORTH WINDS BEHIND THE FRONT WILL INCREASE TO AROUND 25 MPH WITH GUSTS OF 35 TO 40 MPH POSSIBLE. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL DECREASE TO BELOW 20 PERCENT BY MID MORNING AND REMAIN IN THE TEENS THROUGH THE AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW...OR WILL SHORTLY. IN GENERAL...THESE CONDITIONS INCLUDE SUSTAINED 20 FOOT WINDS OF 25 MPH OR GREATER...HUMIDITY RANGING FROM BELOW 25 PERCENT IN ZAPATA COUNTY TO BELOW 45 PERCENT ALONG THE COAST...EACH LASTING FOR 2 HOURS OR MORE... AND CURED FUELS. HUMIDITY BELOW 25 PERCENT IN MOST AREAS WILL TRIGGER FIRE DANGER AT LOWER WIND SPEEDS. DETAILED DECISION TABLES ARE FOUND AT HTTP://WEATHER.GOV/RGV/?N=MAPCOLORS#FIRE. && $$
1 follow-up statement
139 WWUS84 KBRO 200954 RFWBRO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 354 AM CST THU DEC 20 2012 ...EXTREME RISK OF WILDFIRE GROWTH AND SPREAD THURSDAY... .A STRONG COLD FRONT IS NOW PASSING THROUGH DEEP SOUTH TEXAS...WITH 20 FT WINDS IN THE 15 TO 25 MPH RANGE. MUCH DRIER AIR WILL ALSO QUICKLY MOVE INTO DEEP SOUTH TEXAS...WITH RELATIVE HUMIDITY VALUES DECREASING BELOW 20 PERCENT BY MID MORNING AND REMAINING IN THE TEENS THROUGH THE AFTERNOON. THE COMBINATION OF THESE EFFECTS WILL BRING AN EXTREME RISK OF WILDFIRE GROWTH AND SPREAD THROUGH THURSDAY AFTERNOON. THE WORST CONDITIONS WILL OCCUR FROM AROUND 9 AM TO 3 PM. TXZ248>255-201800- /O.CON.KBRO.FW.W.0005.121220T1400Z-121221T0000Z/ ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY- INLAND CAMERON- 354 AM CST THU DEC 20 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM CST THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY 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. * TIMING...A COLD FRONT IS RACING THROUGH THE COUNTY WARNING AREA AT THE CURRENT TIME. * WIND...NORTH WINDS BEHIND THE FRONT WILL INCREASE TO 20 TO 25 MPH WITH GUSTS OF 35 MPH POSSIBLE. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL DECREASE TO BELOW 20 PERCENT BY MID MORNING AND REMAIN IN THE TEENS THROUGH THE AFTERNOON. RH RECOVERY OVERNIGHT WILL ONLY REACH 30 TO 35 PERCENT. * 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. && $$
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 4:06 AM CST | Gale Warning | BRO | 38 hr | |
| Dec 19, 4:09 AM CST | Wind Advisory | BRO | Brooks, Cameron, Hidalgo, Kenedy, Willacy | 13 hr |
| Dec 19, 4:15 AM CST | Fire Weather Watch | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 8 hr |
| Dec 19, 9:14 AM CST | Small Craft Advisory | BRO | 9 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.