Alert archive / Texas / Red Flag Warnings in 2016

Red Flag Warning 5, NWS Brownsville, TX

February 6, 20168 counties in Texas

NWS Brownsville, TX issued this red flag warning at Feb 6, 2016, 3:47 AM CST for 8 counties in Texas. It took effect at Feb 6, 2016, 11:00 AM 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 6, 2016, 3:47 AM CST (09:47 UTC)
In effect from
Feb 6, 2016, 11:00 AM CST
Expired
Feb 6, 2016, 5:00 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 radar

The Brownsville radar (KBRO), 118 km from the middle of the area, began a volume at 09:46 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, 9.8 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.

Skew-T log-pSkew-T log-p diagram, Brownsville Intl, TX at 00:00Z on 2016-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brownsville Intl, TX at 00:00Z on 2016-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1204 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

295 
WWUS84 KBRO 060947
RFWBRO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
347 AM CST SAT FEB 6 2016

...FIRE WEATHER THREAT BECOMES ELEVATED SATURDAY FOR ALL AREAS OF
DEEP SOUTH TEXAS...

.RELATIVE HUMIDITY TO PLUMMENT AND COMBINE WITH MODERATELY GUSTY
NORTHWEST WINDS ELEVATING THE FIRE WEATHER CONDITIONS LATE THIS
MORNING AND AFTERNOON. VERY LOW DEW POINTS ARE BEGINNING TO MOVE
INTO SOUTH TEXAS AS A COLD FRONT TRACKS SOUTHEAST ACROSS THE
REGION. WINDS WILL BE DELAYED UNTIL MID TO LATE MORNING WITH THE
MOST ELEVATED CONDITIONS EXPECTED BETWEEN NOON AND 3 PM. 

TXZ248>257-061800-
/O.UPG.KBRO.FW.A.0001.160206T1700Z-160207T0100Z/
/O.NEW.KBRO.FW.W.0005.160206T1700Z-160206T2300Z/
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
347 AM CST SAT FEB 6 2016

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON FOR VERY LOW RELATIVE HUMIDITY AND GUSTY WINDS 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 11 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...FIRE WEATHER ZONES 248...249...250...251... 
  252...253...254...255...256 AND 257. 

* WIND...20 FOOT WINDS NORTHWEST 15 TO 20 MPH FEW GUSTS TO 25 MPH.

* HUMIDITY...10 TO 18 PERCENT WEST AND 18-30 PERCENT COASTAL
  COUNTIES.

* HIGHEST THREAT...ALONG AND EAST OF HIGHWAY 69E WHERE THE
  STRONGEST WINDS WILL EXIST.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY WITH
  ERRATIC FIRE BEHAVIOR DURING THE HIGHEST WIND PERIOD BETWEEN
  NOON AND 3 PM. 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.

&&

$$
2 follow-up statements
078 
WWUS84 KBRO 061815
RFWBRO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1215 PM CST SAT FEB 6 2016

...FIRE WEATHER THREAT BECOMES ELEVATED TODAY FOR MUCH OF DEEP
SOUTH TEXAS...

.THE RELATIVE HUMIDITY VALUES WILL PLUMMET TODAY IN THE WAKE OF A
COLD FRONT THAT MOVED THROUGH THE AREA EARLIER THIS MORNING. THESE
FALLING HUMIDITY VALUES WILL COMBINE WITH GUSTY NORTHWEST WINDS
ELEVATING THE FIRE WEATHER CONDITIONS THIS AFTERNOON.

TXZ248>257-062300-
/O.CON.KBRO.FW.W.0005.000000T0000Z-160206T2300Z/
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
1215 PM CST SAT FEB 6 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON FOR VERY LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR FIRE
WEATHER ZONES 248...249...250...251...252...253...254...255...
256 AND 257...

* AFFECTED AREA...FIRE WEATHER ZONES 248...249...250...251... 
  252...253...254...255...256 AND 257. 

* WIND...20 FOOT WINDS NORTHWEST 15 TO 20 MPH FEW GUSTS TO 25 
  MPH.

* HUMIDITY...10 TO 18 PERCENT WEST AND 18-30 PERCENT COASTAL 
  COUNTIES.

* HIGHEST THREAT...ALONG AND EAST OF HIGHWAY 69E WHERE THE
  STRONGEST WINDS WILL OVERLAP WITH THE LOWEST HUMIDITY VALUES.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY WITH
  ERRATIC FIRE BEHAVIOR DURING THE HIGHEST WIND PERIOD BETWEEN
  NOON AND 3 PM. OUTDOOR BURNING IS NOT RECOMMENDED THIS AFTERNOON.

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.

&&

$$
897 
WWUS84 KBRO 062303
RFWBRO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
503 PM CST SAT FEB 6 2016

...WINDS DECREASING ACROSS THE AREA...

.WINDS HAVE DECREASED JUST BELOW CRITERIA FOR A RED FLAG WARNING
AND THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

TXZ248>257-070015-
/O.EXP.KBRO.FW.W.0005.000000T0000Z-160206T2300Z/
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
503 PM CST SAT FEB 6 2016

...RED FLAG WARNING HAS EXPIRED FOR RED FLAG WARNING FOR FIRE
WEATHER ZONES 248...249...250...251...252...253...254...255... 256
AND 257...

THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE AS WINDS CONTINUE
TO DECREASE THIS EVENING.

$$

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 6, 1:08 PM CSTSmall Craft Advisory for WindsBRO5 hr

Nearby

Red Flag Warnings in Texas, 2016Every red flag warning in 2016

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.