Alert archive / New Mexico / Red Flag Warnings in 2011

Red Flag Warning 13, NWS El Paso, TX

March 21, 20114 counties in New Mexico; El Paso County, Hudspeth County, Texas

NWS El Paso, TX issued this red flag warning at Mar 21, 2011, 9:55 PM MDT for 4 counties in New Mexico; El Paso County, Hudspeth County, Texas. It took effect at Mar 22, 2011, 12:00 PM MDT. It was in force for 2 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 21, 2011, 9:55 PM MDT (03:55 UTC)
In effect from
Mar 22, 2011, 12:00 PM MDT
Expired
Mar 22, 2011, 2:00 PM MDT
In force
2 hr
Issued by
NWS El Paso, TX

Counties Doña Ana County, NM, Lincoln County, NM, Otero County, NM, Sierra County, NM, El Paso County, TX, Hudspeth County, TX

The radar

The Holloman AFB radar (KHDX), 63 km from the middle of the area, began a volume at 03:56 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

Santa Teresa, NM (KEPZ), launched 00:00Z, 3.9 hours before the alert went out and 89 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, Santa Teresa, NM at 00:00Z on 2011-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 893 joules per kilogram.LCLEL10008507005003002001001 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, Santa Teresa, NM at 00:00Z on 2011-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939587897117Sfc1 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
893 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
2428 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

893 
WWUS84 KEPZ 220355
RFWEPZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
955 PM MDT MON MAR 21 2011

...A RED FLAG WARNING IS IN EFFECT FOR TUESDAY AFTERNOON AND
EVENING FOR AREAS EAST OF THE RIO GRANDE BELOW 8000 FT ELEVATION
DUE TO SUSTAINED 20-FOOT WINDS OVER 20 MPH AND RELATIVE HUMIDITY
UNDER 15 PERCENT...

.A STRONG TROUGH OF LOW PRESSURE ALOFT WILL MOVE ACROSS NEW MEXICO
THROUGH THE OVERNIGHT HOURS. MEANWHILE...A SURFACE LOW OVER EASTERN
COLORADO WILL CONTINUE TO STRENGTHEN AS IT MOVES INTO THE GREAT
PLAINS. THE SURFACE PRESSURE GRADIENT AND WESTERLY WINDS ALOFT
WILL BOTH REMAIN FAIRLY STRONG IN THE WAKE OF THE DEPARTING
SYSTEM... ESPECIALLY NEAR AND EAST OF THE RIO GRANDE. WHILE
MOISTURE WILL INCREASE MARGINALLY ACROSS THE AREA... AFTERNOON
RELATIVE HUMIDITY READINGS WILL REMAIN BELOW 15 PERCENT AT
ELEVATIONS BELOW 8000 FT. DESPITE THE MODEST IMPROVEMENTS IN
OVERALL CONDITIONS...FIRE DANGER WILL REMAIN VERY HIGH... AND
CRITICAL FIRE WEATHER CONDITIONS WILL PERSIST THROUGH TUESDAY
EVENING.


NMZ111-220500-
/O.CAN.KEPZ.FW.A.0011.110322T1700Z-110323T0100Z/
SOUTHWEST DESERTS AND LOWLANDS-
955 PM MDT MON MAR 21 2011

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EL PASO TX/SANTA TERESA HAS
CANCELLED THE FIRE WEATHER WATCH. 

WEST WINDS WILL REMAIN BREEZY TUESDAY AFTERNOON AND EVENING... BUT
WILL FALL BELOW RED FLAG CRITERIA. RELATIVE HUMIDITY VALUES WILL
REMAIN BELOW 15 PERCENT...WHILE FUELS REMAIN QUITE DRY. CAUTION
IS STILL URGED WITH ANY BURNING OPERATIONS.

$$

NMZ112-TXZ055-056-221400-
/O.UPG.KEPZ.FW.A.0011.110322T1700Z-110323T0100Z/
/O.NEW.KEPZ.FW.W.0013.110322T1800Z-110323T0100Z/
SOUTH CENTRAL LOWLANDS AND SOUTHERN RIO GRANDE VALLEY-EL PASO-
HUDSPETH-
955 PM MDT MON MAR 21 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN EL PASO TX/SANTA TERESA HAS
ISSUED A RED FLAG WARNING FOR ELEVATIONS BELOW 8000 FEET...WHICH
IS IN EFFECT FROM NOON TO 7 PM MDT TUESDAY. THIS REPLACES THE FIRE
WEATHER WATCH.

* LOCATION...SOUTH-CENTRAL NEW MEXICO AND FAR WEST TEXAS AT
  ELEVATIONS BELOW 8000 FEET...

* WINDS...SUSTAINED 20 FOOT WINDS 20 TO 25 MPH WITH GUSTS
  EXCEEDING 35 MPH. STRONGEST OVER THE SACRAMENTO MOUNTAINS AND
  THE OTERO MESA.

* RELATIVE HUMIDITY...EXPECT MINIMUM HUMIDITY OF 10 TO 15 PERCENT
  WITH A FEW LOCATIONS IN THE UPPER SINGLE DIGITS.

* TIMING...WINDS AND HUMIDITY SHOULD REACH CRITERIA AROUND...OR
  SHORTLY AFTER NOON...LASTING THROUGH 7 PM.

* REMARKS...FIRE DANGER REMAINS HIGH TO VERY HIGH IN AREAS 
  EXPERIENCING SEVERE TO EXTREME DROUGHT. 

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 EXTREME FIRE GROWTH POTENTIAL.

&&

$$

NMZ113-221400-
/O.NEW.KEPZ.FW.W.0013.110322T1800Z-110323T0100Z/
CAPITAN AND SACRAMENTO MOUNTAINS-
955 PM MDT MON MAR 21 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT TUESDAY AT
ELEVATIONS BELOW 8000 FT...

THE NATIONAL WEATHER SERVICE IN EL PASO TX/SANTA TERESA HAS
ISSUED A RED FLAG WARNING FOR ELEVATIONS BELOW 8000 FEET...WHICH
IS IN EFFECT FROM NOON TO 7 PM MDT TUESDAY. 

* LOCATION...CAPITAN AND SACRAMENTO MOUNTAINS AND NEARBY FOOTHILLS.

* WINDS...SUSTAINED 20 FOOT WINDS OF 20 TO 25 MPH WITH GUSTS
  EXCEEDING 35 MPH...HIGHEST ON EXPOSED RIDGE TOPS AND EAST-
  FACING SLOPES.

* RELATIVE HUMIDITY...EXPECT RELATIVE HUMIDITY OF 10 TO 15
  PERCENT... WITH HIGHER VALUES EXPECTED ABOVE 8000 FT MSL.

* TIMING...WINDS AND RELATIVE HUMIDITY SHOULD REACH CRITERIA
  AROUND MIDDAY...LASTING THROUGH THE EARLY EVENING HOURS.

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 EXTREME FIRE GROWTH POTENTIAL.

&&

$$

HARDIMAN
2 follow-up statements
992 
WWUS84 KEPZ 221239
RFWEPZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
639 AM MDT TUE MAR 22 2011

...A RED FLAG WARNING IS IN EFFECT FOR THIS AFTERNOON AND
EVENING FOR AREAS EAST OF THE RIO GRANDE BELOW 8000 FT ELEVATION
DUE TO SUSTAINED 20-FOOT WINDS OVER 20 MPH AND RELATIVE HUMIDITY
UNDER 15 PERCENT...

.A STRONG TROUGH OF LOW PRESSURE ALOFT WILL MOVE ACROSS NEW
MEXICO THIS MORNING. MEANWHILE...A SURFACE LOW
OVER EASTERN COLORADO WILL CONTINUE TO STRENGTHEN AS IT MOVES
INTO THE GREAT PLAINS. THE SURFACE PRESSURE GRADIENT AND WESTERLY
WINDS ALOFT WILL BOTH REMAIN FAIRLY STRONG IN THE WAKE OF THE
DEPARTING SYSTEM...ESPECIALLY NEAR AND EAST OF THE RIO GRANDE.
WHILE MOISTURE WILL INCREASE MARGINALLY ACROSS THE AREA...
AFTERNOON RELATIVE HUMIDITY READINGS WILL REMAIN BELOW 15 PERCENT
AT ELEVATIONS BELOW 8000 FT. DESPITE THE MODEST IMPROVEMENTS IN
OVERALL CONDITIONS...FIRE DANGER WILL REMAIN VERY HIGH... AND
CRITICAL FIRE WEATHER CONDITIONS WILL PERSIST THROUGH EARLY THIS 
EVENING.

NMZ112-113-TXZ055-056-222045-
/O.CON.KEPZ.FW.W.0013.110322T1800Z-110323T0100Z/
SOUTH CENTRAL LOWLANDS AND SOUTHERN RIO GRANDE VALLEY-
CAPITAN AND SACRAMENTO MOUNTAINS-EL PASO-HUDSPETH-
639 AM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT
THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT
THIS EVENING. 

* LOCATION...SOUTH-CENTRAL NEW MEXICO AND FAR WEST TEXAS AT 
  ELEVATIONS BELOW 8000 FEET... 

* WINDS...SUSTAINED 20 FOOT WINDS 20 TO 25 MPH WITH GUSTS 
  EXCEEDING 35 MPH. STRONGEST OVER THE SACRAMENTO MOUNTAINS AND 
  THE OTERO MESA. 

* RELATIVE HUMIDITY...EXPECT MINIMUM HUMIDITY OF 10 TO 15 
  PERCENT WITH A FEW LOCATIONS IN THE UPPER SINGLE DIGITS. 

* TIMING...WINDS AND HUMIDITY SHOULD REACH CRITERIA AROUND...OR 
  SHORTLY AFTER NOON...LASTING THROUGH 7 PM. 

* REMARKS...FIRE DANGER REMAINS HIGH TO VERY HIGH IN AREAS 
  EXPERIENCING SEVERE TO EXTREME DROUGHT. 

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 EXTREME FIRE GROWTH POTENTIAL.

&&

$$
172 
WWUS84 KEPZ 222000
RFWEPZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
200 PM MDT TUE MAR 22 2011


NMZ112-113-TXZ055-056-222100-
/O.CAN.KEPZ.FW.W.0013.000000T0000Z-110323T0100Z/
SOUTH CENTRAL LOWLANDS AND SOUTHERN RIO GRANDE VALLEY-
CAPITAN AND SACRAMENTO MOUNTAINS-EL PASO-HUDSPETH-
200 PM MDT TUE MAR 22 2011

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EL PASO TX/SANTA TERESA HAS
CANCELLED THE RED FLAG WARNING. 

MINIMUM RELATIVE HUMIDITIES HAVE REMAINED ABOVE 20 PERCENT THROUGH
MID AFTERNOON AND WINDS HAVE BEEN SLOWLY DECREASING...THEREFORE
THE RED FLAG WARNING HAS BEEN CANCELLED. VERY LOCALIZED LOCATIONS
COULD EXPERIENCE AN HOUR OR TWO OF RED FLAG CONDITIONS...BUT THEY
ARE NOT EXPECTED TO LAST THE REQUIRED 3 HOURS. 

$$

Nearby

Red Flag Warnings in New Mexico, 2011Red 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.