Alert archive / Texas / Red Flag Warnings in 2009
Red Flag Warning 13, NWS Brownsville, TX
NWS Brownsville, TX issued this red flag warning at Feb 28, 2009, 4:00 AM CST for 6 counties in Texas. It took effect at Feb 28, 2009, 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
- Feb 28, 2009, 4:00 AM CST (10:00 UTC)
- In effect from
- Feb 28, 2009, 12:00 PM CST
- Expired
- Feb 28, 2009, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Brownsville, TX
Counties Brooks County, TX, Hidalgo County, TX, Jim Hogg County, TX, Kenedy County, TX, Starr County, TX, Zapata County, TX
The radar
The Corpus Christi radar (KCRP), 141 km from the middle of the area, began a volume at 10:00 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 00:00Z, 10.0 hours before the alert went out and 148 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
- 884 J/kg
- Mixed-layer CIN
- -372 J/kg
- Mixed-layer LCL
- 1900 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 97 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 281000 RFWBRO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BROWNSVILLE TX 400 AM CST SAT FEB 28 2009 ...RED FLAG WARNING IN EFFECT THIS AFTERNOON... .DRY AIR BEHIND A COLD FRONT...COMBINED WITH STRONGER WINDS AND ABUNDANT CURED FUELS...WILL PRODUCE AN ELEVATED RISK OF WILDFIRES ACROSS MUCH OF DEEP SOUTH TEXAS. TXZ248>253-281800- /O.UPG.KBRO.FW.A.0015.090228T1800Z-090301T0000Z/ /O.NEW.KBRO.FW.W.0013.090228T1800Z-090301T0000Z/ ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO- 400 AM CST SAT FEB 28 2009 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING... 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 THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A COLD FRONT WILL SWEEP THROUGH DEEP SOUTH TEXAS AROUND MID- MORNING TODAY...PRODUCING INCREASED NORTHERLY WINDS IN ITS WAKE AND USHERING IN MUCH COOLER AND DRIER AIR. THE RELATIVE HUMIDITY LEVELS WITHIN THE RED FLAG WARNING AREA WILL DROP INTO THE 20 TO 30 PERCENT RANGE BY THIS AFTERNOON. MEANWHILE...THE NORTH WINDS WILL INCREASE INTO THE 20 TO 25 MPH RANGE BY LATE THIS MORNING. THESE METEOROLOGICAL CONDITIONS...COMBINED WITH ABUNDANT CURED FUELS...MAY PRODUCE A DANGEROUS RISK OF WILDFIRES ACROSS MUCH OF DEEP SOUTH TEXAS THIS AFTERNOON. 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. && $$
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 7:41 PM CST | Small Craft Advisory | BRO | 46 hr | |
| Feb 28, 3:43 AM CST | Marine Weather Statement | BRO | 14 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.