Alert archive / New Mexico / Flash Flood Warnings in 2011

Flash Flood Warning 10, NWS Albuquerque, NM

July 21, 2011Los Alamos County, Rio Arriba County, Sandoval County, New Mexico

NWS Albuquerque, NM issued this flash flood warning at Jul 21, 2011, 12:52 PM MDT for Los Alamos County, Rio Arriba County, Sandoval County, New Mexico. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 21, 2011, 12:52 PM MDT (18:52 UTC)
Expired
Jul 21, 2011, 3:45 PM MDT
In force
3 hr
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), 86 km from the middle of the area, began a volume at 18:55 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.

What was reported inside it

TimeReportWhereRemark
Jul 21, 2:00 PM MDTFLASH FLOOD5 Wnw Cochiti Lake, NMTHERE WAS AN INITIAL PUSH OF FOUR FEET OF WATER AND DEBRIS IN PERALTA CANYON NEAR FOREST SERVICE ROAD 266 AROUND 2 PM MDT. BY 3 PM MDT... THE FLOW WAS TWO TO TWO AND A HALF FEET DEEP AND 15 TO 20 FEET WIDE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 6.9 hours before the alert went out and 90 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 2011-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
34 J/kg
Mixed-layer CIN
-293 J/kg
Mixed-layer LCL
2173 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
20 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.

998 
WGUS55 KABQ 211852
FFWABQ
NMC028-039-043-212145-
/O.NEW.KABQ.FF.W.0010.110721T1852Z-110721T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
1252 PM MDT THU JUL 21 2011

THE NATIONAL WEATHER SERVICE IN ALBUQUERQUE HAS ISSUED A

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

* UNTIL 345 PM MDT

* AT 1251 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  LOCALLY HEAVY RAIN FROM A THUNDERSTORM 14 MILES SOUTHWEST OF LOS 
  ALAMOS...MOVING NORTH AT 10 MPH. RAINFALL RATES OF ONE HALF TO ONE 
  INCH PER HOUR ARE POSSIBLE FROM THIS STORM AND ADDITIONAL STORMS 
  THAT MAY DEVELOP WITHIN THE NEXT HOUR OR TWO.

  THIS WILL IMPACT THE LAS CONCHAS BURN SCAR INCLUDING BUT NOT
  LIMITED TO BANDELIER NATIONAL MONUMENT...FRIJOLES CANYON...COCHITI
  CANYON...PERALTA CANYON...HIGHWAY 4 FROM STATE ROAD 501 JUNCTION TO
  LAS CONCHAS CAMPGROUND AND DOME WILDERNESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ARROYOS...STREAMS AND NORMALLY DRY WASHES CAN BECOME RAGING CURRENTS
IN A MATTER OF MINUTES.

&&

LAT...LON 3580 10657 3586 10650 3596 10654 3604 10651
      3610 10635 3603 10624 3593 10628 3586 10633
      3581 10627 3573 10629 3563 10638 3564 10646
      3569 10657

$$

DPORTER/MMT
1 follow-up statement
464 
WGUS75 KABQ 212037
FFSABQ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
237 PM MDT THU JUL 21 2011

NMC028-039-043-212145-
/O.CON.KABQ.FF.W.0010.000000T0000Z-110721T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOS ALAMOS-RIO ARRIBA-SANDOVAL-
237 PM MDT THU JUL 21 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 PM MDT FOR EAST
CENTRAL SANDOVAL...SOUTH CENTRAL RIO ARRIBA AND WESTERN LOS ALAMOS
COUNTIES...

AT 230 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE LIGHT RAINFALL OVER THE LAS CONCHAS BURN SCAR. ADDITIONAL 
RAINFALL AMOUNTS THROUGH 315 PM MDT SHOULD REMAIN LIGHT OR UNDER ONE 
TENTH OF AN INCH. HOWEVER...FAST DEBRIS FLOWS ARE STILL EXPECTED OVER
THE REGION WHERE MODERATE TO HEAVY RAINS OCCURRED.

LOCATIONS IMPACTED INCLUDE...
  PERALTA CANYON...
  FOREST SERVICE ROAD 266...
  PORTIONS OF THE JEMEZ INDIAN RESERVATION...
  PORTIONS OF THE BANDELIER NATIONAL MONUMENT...
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...TELEVISION
STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR THE LATEST WEATHER
INFORMATION.

&&

LAT...LON 3580 10657 3586 10650 3596 10654 3604 10651
      3610 10635 3603 10624 3593 10628 3586 10633
      3581 10627 3573 10629 3563 10638 3564 10646
      3569 10657

$$

MT/DPORTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 6:23 PM MDTAreal Flood AdvisoryABQColfax2 hr
Jul 20, 6:49 PM MDTAreal Flood AdvisoryABQBernalillo, Sandoval116 min
Jul 20, 7:50 PM MDTAreal Flood AdvisoryABQGuadalupe115 min
Jul 21, 4:16 AM MDTFlash Flood WatchABQ15 hr
Jul 21, 12:35 PM MDTAreal Flood AdvisoryABQLos Alamos, Rio Arriba, Sandoval115 min
Jul 21, 3:49 PM MDTFlash Flood WarningABQSandoval4 hr
Jul 21, 4:58 PM MDTSpecial Weather StatementABQBernalillo32 min
Jul 21, 5:10 PM MDTSpecial Weather StatementABQBernalillo35 min
Jul 21, 5:46 PM MDTSpecial Weather StatementABQUnion29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.