Alert archive / Texas / Red Flag Warnings in 2012
Red Flag Warning 2, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this red flag warning at Mar 2, 2012, 1:22 PM CST for 23 counties in Texas. It took effect at Mar 3, 2012, 10:00 AM CST. 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
- Mar 2, 2012, 1:22 PM CST (19:22 UTC)
- In effect from
- Mar 3, 2012, 10:00 AM CST
- Expired
- Mar 3, 2012, 6:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Houston/Galveston, TX
All 23 counties
Austin County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Chambers County, TX, Colorado County, TX, Fort Bend County, TX, Galveston County, TX, Grimes County, TX, Harris County, TX, Houston County, TX, Jackson County, TX, Liberty County, TX, Madison County, TX, Matagorda County, TX, Montgomery County, TX, Polk County, TX, San Jacinto County, TX, Trinity County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 91 km from the middle of the area, began a volume at 19:26 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.4 hours before the alert went out and 242 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
- 217 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 849 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
327 WWUS84 KHGX 021922 RFWHGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 122 PM CST FRI MAR 2 2012 ...RED FLAG WARNING IN EFFECT FOR ALL OF SOUTHEAST TEXAS ON SATURDAY... .A COLD FRONT WILL MOVE INTO SOUTHEAST TEXAS THIS AFTERNOON AND MAKE IT OFF THE COAST TONIGHT. ON SATURDAY...THE COMBINATION OF MODERATE TO STRONG NORTH WINDS AND VERY LOW RELATIVE HUMIDITY VALUES WILL SUPPORT THE POTENTIAL FOR RAPID FIRE GROWTH. TXZ163-164-176>179-195>200-210>214-226-227-235>238-040000- /O.NEW.KHGX.FW.W.0002.120303T1600Z-120304T0000Z/ AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA- MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON- WHARTON- 122 PM CST FRI MAR 2 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST SATURDAY FOR ALL OF SOUTHEAST TEXAS... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 6 PM CST SATURDAY. * AFFECTED COUNTIES... HOUSTON...TRINITY...MADISON...WALKER... SAN JACINTO...POLK...BURLESON...BRAZOS...WASHINGTON... GRIMES...MONTGOMERY...LIBERTY...COLORADO...AUSTIN...WALLER... HARRIS...CHAMBERS...WHARTON...FORT BEND...JACKSON... MATAGORDA...BRAZORIA...GALVESTON. * WIND...NORTH AT 15 TO 25 MPH WITH GUSTS TO 30 MPH * HUMIDITY...MINIMUM VALUES OF 23 TO 28 PERCENT INLAND AND 25 TO 35 PERCENT ALONG THE COAST * THUNDERSTORMS...NONE EXPECTED * IMPACTS...ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
1 follow-up statement
658 WWUS84 KHGX 031206 RFWHGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 606 AM CST SAT MAR 3 2012 ...RED FLAG WARNING IN EFFECT FOR ALL OF SOUTHEAST TEXAS ON SATURDAY... .GUSTY NORTH WINDS AND DRY AIR WILL PERSIST ACROSS SOUTHEAST TEXAS TODAY IN THE WAKE OF A COLD FRONT THAT HAS MOVED THROUGH THE AREA. THE COMBINATION OF LOW RELATIVE HUMIDITIES AND GUSTY WINDS WILL SUPPORT THE POTENTIAL FOR RAPID FIRE GROWTH ACROSS THE REGION. TXZ163-164-176>179-195>200-210>214-226-227-235>238-032015- /O.CON.KHGX.FW.W.0002.120303T1600Z-120304T0000Z/ AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA- MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON- WHARTON- 606 AM CST SAT MAR 3 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING FOR ALL OF SOUTHEAST TEXAS... * AFFECTED COUNTIES... HOUSTON...TRINITY...MADISON...WALKER... SAN JACINTO...POLK...BURLESON...BRAZOS...WASHINGTON... GRIMES... MONTGOMERY...LIBERTY...COLORADO...AUSTIN...WALLER... HARRIS... CHAMBERS...WHARTON...FORT BEND...JACKSON... MATAGORDA... BRAZORIA...GALVESTON. * WIND...NORTH AT 15 TO 25 MPH WITH GUSTS TO 30 MPH * HUMIDITY...MINIMUM VALUES OF 20 TO 25 PERCENT INLAND AND 25 TO 35 PERCENT ALONG THE COAST * THUNDERSTORMS...NONE EXPECTED * IMPACTS...ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 11:26 PM CST | Marine Dense Fog Advisory | HGX | 9 hr | |
| Mar 2, 2:50 PM CST | Small Craft Advisory | HGX | 33 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.