Alert archive / Texas / Red Flag Warnings in 2011
Red Flag Warning 13, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this red flag warning at Apr 28, 2011, 2:59 PM CDT for 4 counties in Texas. It took effect at Apr 29, 2011, 1:00 PM CDT. It was in force for 8 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 28, 2011, 2:59 PM CDT (19:59 UTC)
- In effect from
- Apr 29, 2011, 1:00 PM CDT
- Expired
- Apr 29, 2011, 9:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Corpus Christi, TX
Counties Duval County, TX, La Salle County, TX, McMullen County, TX, Webb County, TX
The radar
The Corpus Christi radar (KCRP), 137 km from the middle of the area, began a volume at 20:00 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
Corpus Christi, TX (KCRP), launched 12:00Z, 8.0 hours before the alert went out and 155 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
- 1890 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -133 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
155 WWUS84 KCRP 281959 RFWCRP URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 259 PM CDT THU APR 28 2011 ...RED FLAG WARNING IN EFFECT FOR PORTIONS OF THE BRUSH COUNTRY AND RIO GRANDE PLAINS ON FRIDAY... .SURFACE HIGH PRESSURE OVER THE SOUTHERN GULF STATES AND DEEPENING LOW PRESSURE IN THE LEE OF THE ROCKIES WILL RESULT IN BREEZY TO WINDY CONDITIONS OVER SOUTH TEXAS FRIDAY AFTERNOON. ONSHORE WINDS WILL BRING MOISTURE BACK GRADUALLY...BUT NOT RAPIDLY ENOUGH TO PREVENT AFTERNOON HUMIDITY VALUES FROM FALLING BELOW 30 PERCENT FOR SEVERAL HOURS ESPECIALLY ACROSS WESTERN PORTIONS OF THE BRUSH COUNTRY. AS A RESULT A RED FLAG WARNING HAS BEEN POSTED FOR WEBB...LA SALLE...DUVAL AND MCMULLEN COUNTIES. TXZ229-230-239-240-291300- /O.UPG.KCRP.FW.A.0009.110429T1900Z-110430T0200Z/ /O.NEW.KCRP.FW.W.0013.110429T1900Z-110430T0200Z/ LA SALLE-MCMULLEN-WEBB-DUVAL- 259 PM CDT THU APR 28 2011 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM TO 9 PM CDT FRIDAY. THIS REPLACES THE FIRE WEATHER WATCH WHICH WAS PREVIOUSLY IN EFFECT. SOUTHEAST WINDS WILL INCREASE TO 15 TO 20 MPH WITH GUSTS BETWEEN 25 AND 33 MPH BY FRIDAY AFTERNOON. THESE WINDS WILL COINCIDE WITH TIMES WHEN RELATIVE HUMIDITY VALUES WILL FALL TO BETWEEN 20 AND 30 PERCENT OVER THE WARNED AREA. THIS WILL PROVIDE CRITICAL FIRE WEATHER CONDITIONS ACROSS THE REGION. CONDITIONS WILL IMPROVE IN THE EVENING AS GULF MOISTURE RAPIDLY INCREASES WHILE TEMPERATURES FALL. HOWEVER BREEZY SOUTHEAST WINDS WILL CONTINUE WELL INTO THE NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID THE USE OF OPEN FLAMES OR ANY OUTDOOR ACTIVITIES THAT MAY CAUSE SPARKS LEADING TO WILDFIRES. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND-DRIVEN FIRES. REPORT WILDFIRES QUICKLY TO THE NEAREST FIRE DEPARTMENT OR LAW ENFORCEMENT AGENCY. && $$ MJG
2 follow-up statements
482 WWUS84 KCRP 290839 RFWCRP URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 339 AM CDT FRI APR 29 2011 ...RED FLAG WARNING IN EFFECT FOR PORTIONS OF THE BRUSH COUNTRY AND RIO GRANDE PLAINS TODAY... .SURFACE HIGH PRESSURE OVER THE NORTHERN AND A DEEPENING LOW PRESSURE TROUGH FROM THE LEE OF THE ROCKIES TO WEST TEXAS WILL RESULT IN BREEZY TO WINDY CONDITIONS OVER SOUTH TEXAS THIS AFTERNOON. ONSHORE WINDS WILL BRING MOISTURE BACK GRADUALLY...BUT NOT RAPIDLY ENOUGH TO PREVENT AFTERNOON HUMIDITY VALUES FROM FALLING BELOW 30 PERCENT FOR SEVERAL HOURS ESPECIALLY ACROSS WESTERN PORTIONS OF THE BRUSH COUNTRY. AS A RESULT A RED FLAG WARNING HAS BEEN POSTED FOR WEBB...LA SALLE...DUVAL AND MCMULLEN COUNTIES. TXZ229-230-239-240-291645- /O.EXT.KCRP.FW.W.0013.110429T1800Z-110430T0200Z/ LA SALLE-MCMULLEN-WEBB-DUVAL- 339 AM CDT FRI APR 29 2011 ...RED FLAG WARNING NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING... THE RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING FOR THE COUNTIES OF WEBB...DUVAL...LA SALLE...AND MCMULLEN COUNTIES. SOUTHEAST WINDS WILL INCREASE TO 15 TO 25 MPH WITH GUSTS BETWEEN 25 AND 35 MPH BY THIS AFTERNOON. THESE WINDS WILL COINCIDE WITH TIMES WHEN RELATIVE HUMIDITY VALUES WILL FALL TO BETWEEN 20 AND 30 PERCENT OVER THE WARNED AREA. THIS WILL PROVIDE CRITICAL FIRE WEATHER CONDITIONS ACROSS THE REGION. CONDITIONS WILL IMPROVE IN THE EVENING AS GULF MOISTURE RAPIDLY INCREASES WHILE TEMPERATURES FALL. HOWEVER BREEZY SOUTHEAST WINDS WILL CONTINUE WELL INTO THE NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID THE USE OF OPEN FLAMES OR ANY OUTDOOR ACTIVITIES THAT MAY CAUSE SPARKS LEADING TO WILDFIRES. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND-DRIVEN FIRES. REPORT WILDFIRES QUICKLY TO THE NEAREST FIRE DEPARTMENT OR LAW ENFORCEMENT AGENCY. && $$ GW/MJG
644 WWUS84 KCRP 291642 AAA RFWCRP URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1142 AM CDT FRI APR 29 2011 ...RED FLAG WARNING IN EFFECT FOR PORTIONS OF THE BRUSH COUNTRY AND RIO GRANDE PLAINS TODAY... .SURFACE HIGH PRESSURE OVER THE NORTHERN AND A DEEPENING LOW PRESSURE TROUGH FROM THE LEE OF THE ROCKIES TO WEST TEXAS WILL RESULT IN BREEZY TO WINDY CONDITIONS OVER SOUTH TEXAS THIS AFTERNOON. ONSHORE WINDS WILL BRING MOISTURE BACK GRADUALLY... BUT NOT RAPIDLY ENOUGH TO PREVENT AFTERNOON HUMIDITY VALUES FROM FALLING BELOW 30 PERCENT FOR SEVERAL HOURS ESPECIALLY ACROSS WESTERN PORTIONS OF THE BRUSH COUNTRY. AS A RESULT A RED FLAG WARNING HAS BEEN POSTED FOR WEBB...LA SALLE...DUVAL AND MCMULLEN COUNTIES. TXZ229-230-239-240-300200- /O.CON.KCRP.FW.W.0013.110429T1800Z-110430T0200Z/ LA SALLE-MCMULLEN-WEBB-DUVAL- 1142 AM CDT FRI APR 29 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING. SOUTHEAST WINDS WILL INCREASE TO 15 TO 25 MPH WITH GUSTS BETWEEN 25 AND 35 MPH BY THIS AFTERNOON. THESE WINDS WILL COINCIDE WITH RELATIVE HUMIDITY VALUES WILL BETWEEN 20 AND 30 PERCENT OVER THE WARNED AREA. THIS WILL PROVIDE CRITICAL FIRE WEATHER CONDITIONS ACROSS THE REGION. CONDITIONS WILL IMPROVE IN THE EVENING AS GULF MOISTURE RAPIDLY INCREASES WHILE TEMPERATURES FALL. HOWEVER BREEZY SOUTHEAST WINDS WILL CONTINUE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID THE USE OF OPEN FLAMES OR ANY OUTDOOR ACTIVITIES THAT MAY CAUSE SPARKS LEADING TO WILDFIRES. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND-DRIVEN FIRES. REPORT WILDFIRES QUICKLY TO THE NEAREST FIRE DEPARTMENT OR LAW ENFORCEMENT AGENCY. && $$ 87
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 4:46 AM CDT | Fire Weather Watch | CRP | Duval, La Salle, McMullen, Webb | 10 hr |
Nearby
Red Flag Warnings in Texas, 2011Every red flag warning in 2011
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.