Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 36, NWS Albuquerque, NM

July 20, 2021Bernalillo County, Santa Fe County, New Mexico

NWS Albuquerque, NM issued this flash flood warning at Jul 20, 2021, 3:33 PM MDT for Bernalillo County, Santa Fe County, New Mexico. It was in force for 117 min. 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 20, 2021, 3:33 PM MDT (21:33 UTC)
Expired
Jul 20, 2021, 5:30 PM MDT
In force
117 min
Issued by
NWS Albuquerque, NM
Area
Storm-based polygon
Flood severity
None

Counties Bernalillo County, NM, Santa Fe County, NM

The radar

The Albuquerque radar (KABX), 55 km from the middle of the area, began a volume at 21:32 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 20, 4:30 PM MDTFLASH FLOOD2 Nw Sedillo, NMTIJERAS ARROYO WAS AROUND 20 FEET WIDE AND 3 FEET DEEP FLOWING OVER SEDILLO RD NEAR ROUTE 66. MUD AND LARGE ROCKS WASHED OVER SEDILLO ROAD EASTWARD TO FOUR HILLS RD. WHERE ADDITIONAL FLASH FLOODING COVERED THE INTERSECTION WITH MUD... ROCKS... AND DEBRIS. ONE

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, 9.6 hours before the alert went out and 37 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 2021-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 215 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 2021-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
215 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1416 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

548 
WGUS55 KABQ 202133
FFWABQ
NMC001-049-202330-
/O.NEW.KABQ.FF.W.0036.210720T2133Z-210720T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albuquerque NM
333 PM MDT Tue Jul 20 2021

The National Weather Service in Albuquerque has issued a

* Flash Flood Warning for...
  Bernalillo County in central New Mexico...
  Southwestern Santa Fe County in north central New Mexico...

* Until 530 PM MDT.

* At 333 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.50 and 1.25 inches of 
  rain have fallen. Additional rainfall amounts of 0.25 to 0.75 
  inches are possible in the warned area. Flash flooding is ongoing 
  or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Edgewood, Tijeras, Cedar Grove, Sedillo, Sandia Park, Cedar Crest, 
  San Antonito and Canoncito in Bernalillo County.

This includes the following highways...
	Interstate 40 between Mile Markers 176 and 186.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not camp along streams and rivers. Remain alert when hiking in 
steep, narrow canyons. Know where you are relative to low spots and 
drainages.

Do not drive your vehicle into areas where water covers the roadway. 
The water depth may be too great to allow your car to cross safely.

&&

LAT...LON 3522 10625 3523 10624 3526 10619 3527 10616
      3527 10611 3525 10608 3522 10606 3518 10607
      3511 10615 3508 10620 3505 10622 3504 10624
      3503 10624 3506 10637 3510 10638 3514 10638
      3518 10636

FLASH FLOOD...RADAR INDICATED

$$

DPorter
2 follow-up statements
075 
WGUS75 KABQ 202208
FFSABQ

Flash Flood Statement
National Weather Service Albuquerque NM
408 PM MDT Tue Jul 20 2021

NMC001-049-202330-
/O.CON.KABQ.FF.W.0036.000000T0000Z-210720T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bernalillo NM-Santa Fe NM-
408 PM MDT Tue Jul 20 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MDT THIS 
AFTERNOON FOR BERNALILLO AND SOUTHWESTERN SANTA FE COUNTIES...

At 408 PM MDT, trained weather spotters reported thunderstorms that 
produced heavy rain across the warned area, particularly near Sandia 
Park. Between 0.75 and 1.50 inches of rain have fallen and impacted 
the areas from Cedar Crest to Sedillo. Additional rainfall amounts 
up to 0.25 inches are possible in the warned area. Flash flooding is 
ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Trained spotters reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Edgewood, Tijeras, Cedar Grove, Sedillo, Sandia Park, Cedar Crest, 
  San Antonito and Canoncito in Bernalillo County.

This includes the following highways...
	Interstate 40 between Mile Markers 175 and 186.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not enter or cross flowing water or water of unknown depth.

Do not camp along streams and rivers. Remain alert when hiking in 
steep, narrow canyons. Know where you are relative to low spots and 
drainages.

&&

LAT...LON 3522 10625 3523 10624 3526 10619 3527 10616
      3527 10611 3525 10608 3522 10606 3518 10607
      3511 10615 3508 10620 3505 10622 3504 10624
      3503 10624 3506 10637 3510 10638 3514 10638
      3518 10636

FLASH FLOOD...OBSERVED

$$

DPorter
048 
WGUS75 KABQ 202330
FFSABQ

Flash Flood Statement
National Weather Service Albuquerque NM
530 PM MDT Tue Jul 20 2021

NMC001-049-202340-
/O.EXP.KABQ.FF.W.0036.000000T0000Z-210720T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bernalillo NM-Santa Fe NM-
530 PM MDT Tue Jul 20 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR BERNALILLO AND SOUTHWESTERN 
SANTA FE COUNTIES...

Flood waters have receded and the heavy rain has ended. Flooding is 
no longer expected to pose a threat. Please continue to heed any 
remaining road closures.

LAT...LON 3522 10625 3523 10624 3526 10619 3527 10616
      3527 10611 3525 10608 3522 10606 3518 10607
      3511 10615 3508 10620 3505 10622 3504 10624
      3503 10624 3506 10637 3510 10638 3514 10638
      3518 10636

$$

DPorter

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:05 PM MDTSpecial Weather StatementABQSan Juan25 min
Jul 20, 12:06 PM MDTSpecial Weather StatementABQDe Baca24 min
Jul 20, 12:34 PM MDTSevere Thunderstorm WarningABQDe Baca, Guadalupe, Quay26 min
Jul 20, 1:01 PM MDTSpecial Weather StatementABQDe Baca29 min
Jul 20, 2:17 PM MDTAreal Flood AdvisoryABQSanta Fe88 min
Jul 20, 2:33 PM MDTFlash Flood WarningABQSanta Fe2 hr
Jul 20, 2:55 PM MDTSpecial Weather StatementABQSanta Fe35 min
Jul 20, 3:08 PM MDTAreal Flood AdvisoryABQBernalillo, Sandoval, Santa Fe, Torrance112 min
Jul 20, 3:27 PM MDTSpecial Weather StatementABQBernalillo33 min
Jul 20, 3:42 PM MDTAreal Flood AdvisoryABQRio Arriba, Sandoval3 hr
Jul 20, 3:43 PM MDTAreal Flood AdvisoryABQBernalillo, Sandoval2 hr
Jul 20, 3:48 PM MDTAreal Flood AdvisoryABQRio Arriba, Santa Fe3 hr
Jul 20, 3:55 PM MDTFlash Flood Warning Considerable damage threatABQBernalillo2 hr
Jul 20, 4:00 PM MDTSpecial Weather StatementABQBernalillo30 min
Jul 20, 4:15 PM MDTSpecial Weather StatementABQLos Alamos30 min
Jul 20, 4:21 PM MDTSevere Thunderstorm WarningABQRio Arriba, Santa Fe24 min
Jul 20, 4:33 PM MDTSpecial Weather StatementABQ27 min
Jul 20, 4:35 PM MDTSpecial Weather StatementABQSan Juan25 min
Jul 20, 4:42 PM MDTSpecial Weather StatementABQLos Alamos33 min
Jul 20, 4:46 PM MDTAreal Flood AdvisoryABQRio Arriba, Sandoval3 hr
Jul 20, 5:06 PM MDTAreal Flood AdvisoryABQLos Alamos, Rio Arriba, Sandoval, Santa Fe114 min
Jul 20, 5:09 PM MDTAreal Flood AdvisoryABQRio Arriba, San Juan2 hr
Jul 20, 5:36 PM MDTAreal Flood AdvisoryABQRio Arriba, Sandoval84 min
Jul 20, 5:49 PM MDTAreal Flood AdvisoryABQCibola, McKinley, Sandoval116 min

Nearby

Flash Flood Warnings in New Mexico, 2021Every flash flood warning in 2021

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.