Alert archive / Texas / Red Flag Warnings in 2009
Red Flag Warning 21, NWS Brownsville, TX
NWS Brownsville, TX issued this red flag warning at Apr 22, 2009, 3:29 PM CDT for 5 counties in Texas. 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
- Apr 22, 2009, 3:29 PM CDT (20:29 UTC)
- Expired
- Apr 22, 2009, 9:00 PM CDT
- 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 20:29 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, 8.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1682 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- -43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS84 KBRO 222029 RFWBRO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 329 PM CDT WED APR 22 2009 ...CRITICAL FIRE WEATHER CONDITIONS INLAND... .INLAND PORTIONS OF DEEP SOUTH TEXAS REMAIN CRITICALLY DRY TODAY. IN ADDITION...WINDS AT 20 FEET AND RELATIVE HUMIDITY VALUES ARE AT OR ABOVE CRITERIA FOR A RED FLAG WARNING. TXZ248-252-253-230200- /O.NEW.KBRO.FW.W.0021.090422T2029Z-090423T0200Z/ /O.CON.KBRO.FW.A.0022.090423T1400Z-090424T0100Z/ ZAPATA-STARR-HIDALGO- 329 PM CDT WED APR 22 2009 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A RED FLAG WARNING FOR INLAND SECTIONS OF DEEP SOUTH TEXAS...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING. INLAND PORTIONS OF DEEP SOUTH TEXAS REMAIN CRITICALLY DRY TODAY. IN ADDITION...WINDS AT 20 FEET AND RELATIVE HUMIDITY VALUES ARE AT OR ABOVE CRITERIA FOR A RED FLAG WARNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. THESE CONDITIONS INCLUDE SUSTAINED 20 FOOT WINDS OF 25 MPH OR GREATER AND CURED FUELS...OR THE COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT FOR 2 HOURS OR MORE AND SUSTAINED 20 FOOT WINDS OF 25 MPH OR HIGHER WHEN FUELS ARE NOT CURED. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS INCLUDE SUSTAINED 20 FOOT WINDS OF 25 MPH OR GREATER AND CURED FUELS...OR THE COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT FOR 2 HOURS OR MORE AND SUSTAINED 20 FOOT WINDS OF 25 MPH OR HIGHER WHEN FUELS ARE NOT CURED. THESE CONDITIONS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ TXZ249-250-230200- /O.NEW.KBRO.FW.W.0021.090422T2029Z-090423T0200Z/ JIM HOGG-BROOKS- 329 PM CDT WED APR 22 2009 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING. INLAND PORTIONS OF DEEP SOUTH TEXAS REMAIN CRITICALLY DRY TODAY. IN ADDITION...WINDS AT 20 FEET AND RELATIVE HUMIDITY VALUES ARE AT OR ABOVE CRITERIA FOR A RED FLAG WARNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS INCLUDE SUSTAINED 20 FOOT WINDS OF 25 MPH OR GREATER AND CURED FUELS...OR THE COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT FOR 2 HOURS OR MORE AND SUSTAINED 20 FOOT WINDS OF 25 MPH OR HIGHER WHEN FUELS ARE NOT CURED. THESE CONDITIONS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ TXZ251-254-255-230200- /O.CON.KBRO.FW.A.0022.090423T1400Z-090424T0100Z/ KENEDY-INLAND WILLACY-INLAND CAMERON- 329 PM CDT WED APR 22 2009 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING. SOUTHEAST TO SOUTH WINDS AT 20 FEET ABOVE THE SURFACE MAY REACH 20 TO 25 MPH OR HIGHER WITH STRONGER GUSTS FROM LATE THURSDAY MORNING THROUGH THE EARLY EVENING HOURS. THE COMBINATION OF THESE WINDS...ALONG WITH REDUCED DAYTIME RELATIVE HUMIDITY VALUES AND DRY FUELS WILL PRODUCE SEVERAL HOURS OF CRITICAL FIRE WEATHER CONDITIONS. FIRE WEATHER DANGER ACROSS THE REGION REMAINS VERY HIGH DUE TO THE RECENT DROUGHT CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. THESE CONDITIONS INCLUDE SUSTAINED 20 FOOT WINDS OF 25 MPH OR GREATER AND CURED FUELS...OR THE COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT FOR 2 HOURS OR MORE AND SUSTAINED 20 FOOT WINDS OF 25 MPH OR HIGHER WHEN FUELS ARE NOT CURED. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
1 follow-up statement
000 WWUS84 KBRO 230220 RFWBRO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 920 PM CDT WED APR 22 2009 ...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE ON THURSDAY... .PORTIONS OF DEEP SOUTH TEXAS WILL REMAIN CRITICALLY DRY ON THURSDAY. HIGHER WINDS AT 20 FEET AND LOW RELATIVE HUMIDITY VALUES WILL CONTRIBUTE TO INCREASED WILDFIRE POTENTIAL. TXZ248-252-253-231100- /O.EXP.KBRO.FW.W.0021.000000T0000Z-090423T0200Z/ /O.EXT.KBRO.FW.A.0022.090423T1400Z-090424T0000Z/ ZAPATA-STARR-HIDALGO- 920 PM CDT WED APR 22 2009 ...FIRE WEATHER WATCH NOW IN EFFECT FROM 9 AM CDT THURSDAY THROUGH THURSDAY EVENING... ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. THE FIRE WEATHER WATCH IS NOW IN EFFECT FROM 9 AM CDT THURSDAY THROUGH THURSDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. THESE CONDITIONS INCLUDE SUSTAINED 20 FOOT WINDS OF 25 MPH OR GREATER AND CURED FUELS...OR THE COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT FOR 2 HOURS OR MORE AND SUSTAINED 20 FOOT WINDS OF 25 MPH OR HIGHER WHEN FUELS ARE NOT CURED. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ TXZ249-250-230330- /O.EXP.KBRO.FW.W.0021.000000T0000Z-090423T0200Z/ JIM HOGG-BROOKS- 920 PM CDT WED APR 22 2009 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. DECREASING WINDS AND INCREASING RELATIVE HUMIDITY VALUES HAVE REDUCED THE RISK OF WILDFIRES TONIGHT. $$ TXZ251-254-255-231100- /O.EXT.KBRO.FW.A.0022.090423T1400Z-090424T0000Z/ KENEDY-INLAND WILLACY-INLAND CAMERON- 920 PM CDT WED APR 22 2009 ...FIRE WEATHER WATCH NOW IN EFFECT FROM 9 AM CDT THURSDAY THROUGH THURSDAY EVENING... THE FIRE WEATHER WATCH IS NOW IN EFFECT FROM 9 AM CDT THURSDAY THROUGH THURSDAY EVENING. SOUTHEAST WINDS AT 20 FEET ABOVE THE SURFACE MAY REACH 20 TO 25 MPH OR HIGHER WITH STRONGER GUSTS ON THURSDAY. THESE WINDS...ALONG WITH REDUCED RELATIVE HUMIDITY VALUES AND DRY FUELS...WILL PRODUCE SEVERAL HOURS OF CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. THESE CONDITIONS INCLUDE SUSTAINED 20 FOOT WINDS OF 25 MPH OR GREATER AND CURED FUELS...OR THE COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT FOR 2 HOURS OR MORE AND SUSTAINED 20 FOOT WINDS OF 25 MPH OR HIGHER WHEN FUELS ARE NOT CURED. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 3:45 AM CDT | Fire Weather Watch | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 24 hr |
| Apr 22, 10:05 AM CDT | Small Craft Advisory | BRO | 6 days | |
| Apr 22, 10:05 AM CDT | Small Craft Advisory for Winds | BRO | 11 hr | |
| Apr 22, 1:53 PM CDT | Small Craft Advisory for Winds | BRO | 31 hr |
Nearby
Red Flag Warnings in Texas, 2009Every red flag warning in 2009
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.