Alert archive / Texas / Red Flag Warnings in 2012
Red Flag Warning 4, NWS Brownsville, TX
NWS Brownsville, TX issued this red flag warning at Mar 3, 2012, 4:37 AM CST for 5 counties in Texas. It took effect at Mar 3, 2012, 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
- Mar 3, 2012, 4:37 AM CST (10:37 UTC)
- In effect from
- Mar 3, 2012, 12:00 PM CST
- Expired
- Mar 3, 2012, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Brownsville, TX
Counties Brooks County, TX, Hidalgo County, TX, Jim Hogg County, TX, Starr County, TX, Zapata County, TX
The radar
The Corpus Christi radar (KCRP), 153 km from the middle of the area, began a volume at 10:38 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, 10.6 hours before the alert went out and 156 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
- 2005 J/kg
- Mixed-layer CIN
- -265 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- -48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
416 WWUS84 KBRO 031037 RFWBRO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 437 AM CST SAT MAR 3 2012 ...A COLD FRONT WILL BRING AN ENHANCED RISK OF WILDFIRE GROWTH AND SPREAD TODAY... .A COLD FRONT WILL MOVE ACROSS THE RIO GRANDE VALLEY AROUND SUNRISE THIS MORNING. THE PASSAGE OF THIS FRONTAL SYSTEM WILL RESULT IN STRONG NORTH WINDS ACROSS THE AREA THROUGHOUT TODAY. THE COMBINATION OF GUSTY NORTH WINDS AND FALLING RELATIVE HUMIDITY VALUES WILL RESULT IN AN ENHANCED RISK OF WILDFIRE GROWTH AND SPREAD LATER THIS AFTERNOON. AFTER SUNSET SATURDAY...THE SURFACE WINDS WILL WEAKEN AND WILL BECOME MORE NORTHEAST TONIGHT AND SUNDAY. TXZ251-254>257-031145- /O.CAN.KBRO.FW.A.0003.120303T1800Z-120304T0000Z/ KENEDY-INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY- COASTAL CAMERON- 437 AM CST SAT MAR 3 2012 ...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 251...254...255...256 AND 257... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE FIRE WEATHER WATCH. $$ TXZ248>250-252-253-040000- /O.UPG.KBRO.FW.A.0003.120303T1800Z-120304T0000Z/ /O.NEW.KBRO.FW.W.0004.120303T1800Z-120304T0000Z/ ZAPATA-JIM HOGG-BROOKS-STARR-HIDALGO- 437 AM CST SAT MAR 3 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 248...249...250...252 AND 253... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * TIMING...THE WINDS WILL INCREASE FROM THE NORTH AFTER SUNRISE TODAY IN THE WAKE OF A COLD FRONT MOVING THROUGH THE AREA. THE STRONG NORTH WINDS WILL LINGER THROUGHOUT THE DAY TODAY EVENTUALLY DIMINISH STEADILY AFTER SUNSET SATURDAY EVENING. * WIND...THE 20 FOOT WINDS AFTER THE FRONT WILL REACH UP NEAR 20 MPH WITH SOME GUSTS TO 25 MPH BY THIS AFTERNOON. * HUMIDITY...THE RELATIVE HUMIDITY VALUES THIS AFTERNOON ACROSS THE WESTERN PORTIONS OF DEEP SOUTH TEXAS WILL FALL INTO THE 20 TO 25 PERCENT RANGE. * IMPACTS...ANY FIRES THAT DEVELOP TODAY WILL COULD SPREAD RAPIDLY DUE TO THE COMBINATION OF THE STRONG NORTH WINDS AND FALLING RELATIVE HUMIDITY VALUES. OUTDOOR BURNING IS NOT RECOMMENDED TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW...OR WILL SHORTLY. IN GENERAL...THESE CONDITIONS INCLUDE SUSTAINED 20 FOOT WINDS OF 25 MPH OR GREATER...HUMIDITY RANGING FROM BELOW 25 PERCENT IN ZAPATA COUNTY TO BELOW 45 PERCENT ALONG THE COAST...EACH LASTING FOR 2 HOURS OR MORE... AND CURED FUELS. HUMIDITY BELOW 25 PERCENT IN MOST AREAS WILL TRIGGER FIRE DANGER AT LOWER WIND SPEEDS. DETAILED DECISION TABLES ARE FOUND AT HTTP://WEATHER.GOV/RGV/?N=MAPCOLORS#FIRE. && $$ SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 3, 4:48 AM CST | Wind Advisory | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 4 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.