Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 78, NWS Albuquerque, NM

September 4, 2021Chaves County, New Mexico

NWS Albuquerque, NM issued this flash flood warning at Sep 4, 2021, 5:38 PM MDT for Chaves County, New Mexico. It was in force for 3 hr. 2 reports 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
Sep 4, 2021, 5:38 PM MDT (23:38 UTC)
Expired
Sep 4, 2021, 8:45 PM MDT
In force
3 hr
Issued by
NWS Albuquerque, NM
Area
Storm-based polygon
Flood severity
None

County Chaves County, NM

The radar

The Holloman AFB radar (KHDX), 151 km from the middle of the area, began a volume at 23:39 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
Sep 4, 6:00 PM MDTFLASH FLOOD3 Nw Roswell, NMFLOOD WATERS ENTERED HOMES ON HOLLY LOOP. STREET IS BARRICADED DUE TO HIGH WATER RISES.
Sep 4, 6:00 PM MDTFLASH FLOODRoswell, NMMULTIPLE CARS STUCK ON FLOODED ROADWAYS WITH WATER RESCUES ONGOING. MOST SEVERE FLOODING IS IN NORTH AND NORTHEAST ROSWELL.

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

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 12:00Z, 11.6 hours before the alert went out and 262 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 12:00Z on 2021-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 761 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, Santa Teresa, NM at 12:00Z on 2021-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
761 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1466 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

801 
WGUS55 KABQ 042338
FFWABQ
NMC005-050245-
/O.NEW.KABQ.FF.W.0078.210904T2338Z-210905T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albuquerque NM
538 PM MDT Sat Sep 4 2021

The National Weather Service in Albuquerque has issued a

* Flash Flood Warning for...
  Central Chaves County in southeastern New Mexico...

* Until 845 PM MDT.

* At 538 PM MDT, Doppler radar indicated slow moving thunderstorms 
  producing heavy rain near and over Roswell. Between 1 and 2 inches 
  of rain have fallen so far. 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...
  Roswell and Bottomless Lakes State Park.

This includes the following recreation areas...
	Bottonless Lakes State Park.

This includes the following highways...
	Highway 380 between Mile Markers 156 and 164.

This includes the following streams and drainages...
  Eightmile Draw, Hondo, Rio, South Spring River, Middle Berrendo 
  Creek, Rocky Arroyo, Berrendo Creek, North Spring River and Pecos 
  River.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.


&&

LAT...LON 3356 10469 3349 10461 3349 10453 3336 10428
      3331 10424 3318 10425 3316 10426 3316 10431
      3320 10434 3335 10441 3338 10446 3337 10449
      3328 10457 3327 10465 3329 10474 3331 10476
      3335 10477 3344 10477 3354 10475

FLASH FLOOD...RADAR INDICATED

$$

11
2 follow-up statements
494 
WGUS75 KABQ 050010
FFSABQ

Flash Flood Statement
National Weather Service Albuquerque NM
610 PM MDT Sat Sep 4 2021

NMC005-050245-
/O.CON.KABQ.FF.W.0078.000000T0000Z-210905T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chaves NM-
610 PM MDT Sat Sep 4 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MDT THIS 
EVENING FOR CENTRAL CHAVES COUNTY...

At 610 PM MDT, Emergency management reported that flash flooding was 
occurring in northern Roswell where cars are stuck in high water and 
several people are being rescued from flood waters. Rainfall reports 
across northern Roswell range from 2 to 3 inches.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Emergency management reported.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Roswell and Bottomless Lakes State Park.

This includes the following highways...
	Highway 380 between Mile Markers 156 and 165.

This includes the following streams and drainages...
  Eightmile Draw, Hondo, Rio, South Spring River, Middle Berrendo 
  Creek, Rocky Arroyo, Berrendo Creek, North Spring River and Pecos 
  River.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3356 10469 3349 10461 3349 10453 3336 10428
      3331 10424 3318 10425 3316 10426 3316 10431
      3320 10434 3335 10441 3338 10446 3337 10449
      3328 10457 3327 10465 3329 10474 3331 10476
      3335 10477 3344 10477 3354 10475

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

11
178 
WGUS75 KABQ 050241
FFSABQ

Flash Flood Statement
National Weather Service Albuquerque NM
841 PM MDT Sat Sep 4 2021

NMC005-050251-
/O.EXP.KABQ.FF.W.0078.000000T0000Z-210905T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chaves NM-
841 PM MDT Sat Sep 4 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 845 PM MDT THIS EVENING FOR 
CENTRAL CHAVES COUNTY...

Flood waters are receding. The heavy rain has ended. Flooding is no 
longer expected to pose a threat, although runoff from earlier heavy 
rains will persist through the night. Please continue to heed any 
remaining road closures.

A Flash Flood Watch remains in effect until 400 AM MDT Sunday for 
portions of central, east central, and southeast New Mexico.

LAT...LON 3356 10469 3349 10461 3349 10453 3336 10428
      3331 10424 3318 10425 3316 10426 3316 10431
      3320 10434 3335 10441 3338 10446 3337 10449
      3328 10457 3327 10465 3329 10474 3331 10476
      3335 10477 3344 10477 3354 10475

$$

11

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 6:36 PM MDTSpecial Weather StatementABQChaves24 min
Sep 3, 6:48 PM MDTSpecial Weather StatementABQUnion27 min
Sep 3, 7:15 PM MDTSpecial Weather StatementABQUnion30 min
Sep 4, 11:06 AM MDTFlash Flood WatchABQBernalillo, Chaves, Curry, De Baca, Guadalupe, Lincoln and 7 more15 hr
Sep 4, 1:55 PM MDTAreal Flood AdvisoryABQSanta Fe2 hr
Sep 4, 2:32 PM MDTAreal Flood AdvisoryABQChaves, Curry, De Baca, Roosevelt3 hr
Sep 4, 2:41 PM MDTSpecial Weather StatementABQSan Miguel34 min
Sep 4, 2:50 PM MDTAreal Flood AdvisoryABQSan Miguel3 hr
Sep 4, 4:11 PM MDTAreal Flood AdvisoryABQChaves, Roosevelt2 hr
Sep 4, 4:34 PM MDTAreal Flood AdvisoryABQChaves, Lincoln116 min
Sep 4, 5:18 PM MDTAreal Flood AdvisoryABQCatron, Socorro117 min
Sep 4, 5:26 PM MDTAreal Flood AdvisoryABQBernalillo2 hr
Sep 4, 5:38 PM MDTAreal Flood AdvisoryABQChaves112 min
Sep 4, 5:53 PM MDTAreal Flood AdvisoryABQSanta Fe112 min
Sep 4, 5:56 PM MDTSpecial Weather StatementABQ34 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.