Alert archive / New Mexico / Flash Flood Warnings in 2011

Flash Flood Warning 43, NWS Albuquerque, NM

August 6, 2011Sandoval County, New Mexico

NWS Albuquerque, NM issued this flash flood warning at Aug 6, 2011, 2:04 PM MDT for Sandoval County, New Mexico. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 6, 2011, 2:04 PM MDT (20:04 UTC)
Expired: Aug 6, 2011, 6:00 PM MDT
In force: 4 hr
Issued by: NWS Albuquerque, NM
Area: Storm-based polygon
Flood severity: None

County Sandoval County, NM

The radar

The Albuquerque radar (KABX), 71 km from the middle of the area, began a volume at 20:03 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, 8.1 hours before the alert went out and 74 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 6 J/kg
Mixed-layer CIN: -269 J/kg
Mixed-layer LCL: 1933 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 34 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.

517 
WGUS55 KABQ 062004
FFWABQ
NMC043-070000-
/O.NEW.KABQ.FF.W.0043.110806T2004Z-110807T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
204 PM MDT SAT AUG 6 2011

THE NATIONAL WEATHER SERVICE IN ALBUQUERQUE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL SANDOVAL COUNTY IN NORTH CENTRAL NEW MEXICO

* UNTIL 600 PM MDT

* AT 154 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ON THE SOUTHERN END OF THE
  LAS CONCHAS BURN SCAR ON THE SOUTHEAST SLOPES OF THE JEMEZ 
  MOUNTAINS. STORMS WERE MOVING SLOWLY DOWN PERALTA CANYON...
  CANYON SEGURO AND LA JARA CANYON...INCREASING THE LIKELIHOOD 
  OF FLASH FLOODING. VERY HEAVY RUNOFF WITH MULTIPLE FEET OF WATER 
  ARE EXPECTED IN THESE CANYONS WITHIN THE LAS CONCHAS BURN SCAR 
  AND DOWNSTREAM INTO THE RIO GRANDE.  THE AREA IMPACTED WILL 
  INCLUDE COCHITI PUEBLO...SILE AND THE SANTA DOMINGO PUEBLO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF AROUND A QUARTER INCH OF RAIN ARE 
EXPECTED IN THESE CANYONS.

BOTH LOCALIZED AND DISTANT HEAVY RAINFALL WILL CREATE SUDDEN AND
DANGEROUS FLOWS IN ARROYOS...SMALL STREAMS AND OVER LOW WATER 
CROSSINGS. HIGH FLOWS MAY TAKE HOURS TO REACH DOWNSTREAM 
DESTINATIONS.

&&

LAT...LON 3571 10653 3575 10654 3580 10651 3583 10646
      3587 10642 3577 10640 3562 10633 3558 10633
      3553 10636 3559 10646

$$


44

1 follow-up statement

172 
WGUS75 KABQ 062210
FFSABQ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
410 PM MDT SAT AUG 6 2011

NMC043-070000-
/O.CON.KABQ.FF.W.0043.000000T0000Z-110807T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANDOVAL-
410 PM MDT SAT AUG 6 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR EAST
CENTRAL SANDOVAL COUNTY...

AT 354 PM MDT...DOPPLER RADAR INDICATED THE THUNDERSTORMS THAT 
PRODUCED OVER 1 INCH OF RAIN ON SOUTHERN PARTS OF THE LAS CONCHAS 
BURN SCAR IN THE SOUTHEAST JEMEZ MOUNTAINS HAD ALREADY DIMINISHED. 
HOWEVER...THE FLASH FLOOD THREAT PERSISTS IN PERALTA CANYON...
LA JARA CANYON AND CANYON SEGURO...WHERE THE HEAVIEST RAIN FELL. 
FLASH FLOOD WATERS CAN TAKE HOURS TO FLOW THROUGH CANYONS WHERE 
DEBRIS BLOCKAGES EXIST DUE TO FLOODING EARLIER IN THE SUMMER. THESE 
BLOCKAGES CAN BREAK UNDER THE WEIGHT OF THE WATER AND SEND A WALL OF 
WATER AND DEBRIS CRASHING DOWNSTREAM. RAPID RISES OF WATER ARE STILL
EXPECTED WITHIN THESE CANYONS IN THE LAS CONCHAS BURN SCAR AND 
DOWNSTREAM OF THE BURN SCAR TO THE RIO GRANDE. AREAS IMPACTED WILL 
INCLUDE COCHITI PUEBLO...SILE AND THE NORTHWEST PART OF SANTO 
DOMINGO PUEBLO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WATER MAY TRAVEL MANY MILES AND TAKE HOURS TO REACH YOUR LOCATION 
FROM UPSTREAM RAIN AREAS. REMAIN ALERT TO FLOODED ROAD CROSSINGS 
EVEN HOURS LATER.

&&

LAT...LON 3571 10653 3575 10654 3580 10651 3583 10646
      3587 10642 3577 10640 3562 10633 3558 10633
      3553 10636 3559 10646

$$


44

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 6:26 PM MDT	Special Weather Statement	ABQ	Bernalillo	34 min
Aug 5, 6:34 PM MDT	Areal Flood Advisory	ABQ	Torrance	116 min
Aug 6, 12:40 PM MDT	Areal Flood Advisory	ABQ	Los Alamos, Rio Arriba, Sandoval, Santa Fe	4 hr
Aug 6, 1:29 PM MDT	Areal Flood Advisory	ABQ	Sandoval	4 hr
Aug 6, 2:42 PM MDT	Areal Flood Advisory	ABQ	Lincoln	2 hr
Aug 6, 3:40 PM MDT	Flash Flood Warning	ABQ	Lincoln	110 min

Nearby

Flash Flood Warnings in New Mexico, 2011 Every 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.