Alert archive / New Mexico / Flash Flood Warnings in 2011

Flash Flood Warning 25, NWS Albuquerque, NM

July 27, 2011Los Alamos County, Rio Arriba County, Sandoval County, New Mexico

NWS Albuquerque, NM issued this flash flood warning at Jul 27, 2011, 4:04 PM MDT for Los Alamos County, Rio Arriba County, Sandoval County, New Mexico. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 27, 2011, 4:04 PM MDT (22:04 UTC)
Expired
Jul 27, 2011, 6:00 PM MDT
In force
116 min
Issued by
NWS Albuquerque, NM
Area
Storm-based polygon
Flood severity
None

Counties Los Alamos County, NM, Rio Arriba County, NM, Sandoval County, NM

The radar

The Albuquerque radar (KABX), 94 km from the middle of the area, began a volume at 22:05 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

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 10.1 hours before the alert went out and 100 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, Albuquerq/Krtlnd, NM at 12:00Z on 2011-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Albuquerq/Krtlnd, NM at 12:00Z on 2011-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1517 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

917 
WGUS55 KABQ 272204
FFWABQ
NMC028-039-043-280000-
/O.NEW.KABQ.FF.W.0025.110727T2204Z-110728T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
404 PM MDT WED JUL 27 2011

THE NATIONAL WEATHER SERVICE IN ALBUQUERQUE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN LOS ALAMOS COUNTY IN NORTH CENTRAL NEW MEXICO
  EXTREME SOUTH CENTRAL RIO ARRIBA COUNTY IN NORTH CENTRAL NEW MEXICO
  EAST CENTRAL SANDOVAL COUNTY IN NORTH CENTRAL NEW MEXICO

* UNTIL 600 PM MDT

* AT 354 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  HEAVY RAIN FROM A THUNDERSTORM 7 MILES WEST OF LOS ALAMOS. THE     
  STORM PRODUCING HEAVY RAIN WAS NEARLY STATIONARY. DOPPLER RADAR    
  INDICATED RAINFALL RATES AROUND ONE INCH PER HOUR OVER THE         
  NORTHERN PORTION OF THE LAS CONCHAS BURN SCAR. THE HEAVY RAINFALL  
  WILL LIKELY CAUSE EXCESSIVE RUNOFF AND DEBRIS FLOWS.

  THIS WILL IMPACT THE LAS CONCHAS BURN SCAR INCLUDING BUT NOT
  LIMITED TO LOS ALAMOS...SANTA CLARA CANYON...RIO DEL OSO...CAMP MAY
  ROAD...QUEMAZAN TRAIL..HIGHWAY 4 FROM STATE ROAD 501 JUNCTION TO
  LAS CONCHAS CAMPGROUND..INDIAN SERVICE ROUTE 602 AND EASTERN
  PORTION OF VALLES CALDERA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RUNOFF FROM RAINFALL WILL CAUSE ELEVATED WATER LEVELS WITHIN 
VULNERABLE DRAINAGES IN AND DOWNSTREAM OF THE LAS CONCHAS FIRE BURN 
AREA.

&&

LAT...LON 3600 10652 3602 10629 3583 10631 3583 10651

$$

KW
2 follow-up statements
052 
WGUS75 KABQ 272312
FFSABQ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
512 PM MDT WED JUL 27 2011

NMC028-039-043-280000-
/O.CON.KABQ.FF.W.0025.000000T0000Z-110728T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ALAMOS-RIO ARRIBA-SANDOVAL-
512 PM MDT WED JUL 27 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR EAST
CENTRAL SANDOVAL...EXTREME SOUTH CENTRAL RIO ARRIBA AND WESTERN LOS
ALAMOS COUNTIES...

AT 506 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM 6 MILES WEST OF LOS ALAMOS. THE THUNDERSTORM 
INTENSITY WAS WEAKENING BUT ADDITIONAL LIGHT TO LOCALLY MODERATE 
RAINFALL IS EXPECTED TO IMPACT THE LAS CONCHAS BURN SCAR. EXCESSIVE 
RUNOFF AND DEBRIS FLOWS ARE STILL EXPECTED..ESPECIALLY OVER THE 
NORTHERN PORTION OF THE BURN SCAR. 

LOCATIONS IMPACTED INCLUDE...
  RURAL EAST CENTRAL SANDOVAL COUNTY...
  RURAL EXTREME SOUTH CENTRAL RIO ARRIBA COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RUNOFF FROM RAINFALL WILL CAUSE ELEVATED WATER LEVELS WITHIN 
VULNERABLE DRAINAGES IN AND DOWNSTREAM OF THE LAS CONCHAS FIRE BURN 
AREA.

BOTH LOCALIZED AND DISTANT HEAVY RAINFALL WILL CREATE DANGEROUS FLOWS
IN ARROYOS AND OVER LOW WATER CROSSINGS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3600 10652 3602 10629 3583 10631 3583 10651

$$

KW
495 
WGUS75 KABQ 272356
FFSABQ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
556 PM MDT WED JUL 27 2011

NMC028-039-043-280004-
/O.EXP.KABQ.FF.W.0025.000000T0000Z-110728T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ALAMOS-RIO ARRIBA-SANDOVAL-
556 PM MDT WED JUL 27 2011

...FLASH FLOOD WARNING WILL EXPIRE AT 600 PM MDT FOR EAST CENTRAL
SANDOVAL...EXTREME SOUTH CENTRAL RIO ARRIBA AND WESTERN LOS ALAMOS
COUNTIES...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE RAINFALL WAS
ENDING ACROSS THE WARNED AREA...AND THE FLASH FLOOD THREAT WAS
DIMINISHING. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT FOR
FLASH FLOODING IS ENDING. THUS...THE FLASH FLOOD WARNING HAS BEEN 
ALLOWED TO EXPIRE. SOME RUNOFF FROM EARLIER HEAVY RAINFALL OVER THE 
NORTHERN PORTION OF BURN SCAR MAY STILL OCCUR OVER THE NEXT COUPLE 
OF HOURS. 

SCATTERED SHOWERS WILL PERSIST IN THE VICINITY OF THE LAS CONCHAS 
BURN SCAR THROUGH SUNSET BEFORE DIMINISHING. ADDITIONAL RAINFALL 
AMOUNTS FROM A TRACE TO A FEW HUNDREDTHS OF AN INCH WILL BE 
POSSIBLE. 

LAT...LON 3600 10652 3602 10629 3583 10631 3583 10651

$$

KW

The office that day

Everything else NWS Albuquerque, NM issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 6:08 PM MDTFlash Flood WarningABQLos Alamos, Rio Arriba, Sandoval112 min
Jul 26, 6:25 PM MDTAreal Flood AdvisoryABQRio Arriba, San Juan2 hr
Jul 26, 6:43 PM MDTAreal Flood AdvisoryABQLincoln2 hr
Jul 27, 7:37 AM MDTFlash Flood WatchABQ12 hr
Jul 27, 3:50 PM MDTAreal Flood AdvisoryABQLos Alamos, Rio Arriba, Sandoval115 min

Nearby

Flash Flood Warnings in New Mexico, 2011Every flash flood 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.