Alert archive / New Mexico / Flash Flood Warnings in 2021
Flash Flood Warning 76, NWS El Paso, TX
NWS El Paso, TX issued this flash flood warning at Aug 23, 2021, 3:47 PM MDT for Grant County, Sierra County, New Mexico. It was in force for 2 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 23, 2021, 3:47 PM MDT (21:47 UTC)
- Expired
- Aug 23, 2021, 6:15 PM MDT
- In force
- 2 hr
- Issued by
- NWS El Paso, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Grant County, NM, Sierra County, NM
The radar
The El Paso radar (KEPZ), 146 km from the middle of the area, began a volume at 21:48 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
Santa Teresa, NM (KEPZ), launched 12:00Z, 9.8 hours before the alert went out and 146 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.
- Mixed-layer CAPE
- 657 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1970 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
617
WGUS54 KEPZ 232147
FFWEPZ
NMC017-051-240015-
/O.NEW.KEPZ.FF.W.0076.210823T2147Z-210824T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
347 PM MDT Mon Aug 23 2021
The National Weather Service in El Paso Tx/Santa Teresa has issued a
* Flash Flood Warning for...
Southwestern Sierra County in south central New Mexico...
East Central Grant County in southwestern New Mexico...
* Until 615 PM MDT.
* At 347 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2 inches of
rain have fallen. Additional rainfall amounts up to 1 inch 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...
mainly rural areas of Southwestern Sierra and East Central Grant
Counties
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
In hilly terrain there are numerous of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3284 10786 3285 10780 3284 10776 3284 10774
3270 10774 3266 10786 3276 10784
FLASH FLOOD...RADAR INDICATED
$$
HC1 follow-up statement
074
WGUS74 KEPZ 240011 RRA
FFSEPZ
Flash Flood Statement
National Weather Service El Paso Tx/Santa Teresa NM
611 PM MDT Mon Aug 23 2021
NMC017-051-240021-
/O.EXP.KEPZ.FF.W.0076.000000T0000Z-210824T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grant NM-Sierra NM-
611 PM MDT Mon Aug 23 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 615 PM MDT THIS EVENING FOR
SOUTHWESTERN SIERRA AND EAST CENTRAL GRANT COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3284 10786 3285 10780 3284 10776 3284 10774
3270 10774 3266 10786 3276 10784
$$
HCThe office that day
Everything else NWS El Paso, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:00 PM MDT | Special Weather Statement | EPZ | Grant | 30 min |
| Aug 22, 7:48 PM MDT | Areal Flood Advisory | EPZ | Hidalgo | 117 min |
| Aug 22, 10:16 PM MDT | Areal Flood Advisory | EPZ | Sierra | 119 min |
| Aug 22, 10:46 PM MDT | Areal Flood Advisory | EPZ | Grant | 119 min |
| Aug 23, 12:11 PM MDT | Areal Flood Advisory | EPZ | Grant | 19 min |
| Aug 23, 12:30 PM MDT | Flash Flood Warning | EPZ | Grant | 3 hr |
| Aug 23, 12:39 PM MDT | Areal Flood Advisory | EPZ | Hidalgo | 3 hr |
| Aug 23, 12:43 PM MDT | Special Weather Statement | EPZ | Hidalgo | 32 min |
| Aug 23, 1:19 PM MDT | Severe Thunderstorm Warning | EPZ | Hidalgo | 41 min |
| Aug 23, 1:27 PM MDT | Special Weather Statement | EPZ | Hidalgo | 33 min |
| Aug 23, 1:40 PM MDT | Areal Flood Advisory | EPZ | Hidalgo | 3 hr |
| Aug 23, 1:55 PM MDT | Flash Flood Warning | EPZ | Hidalgo | 3 hr |
| Aug 23, 2:01 PM MDT | Areal Flood Advisory | EPZ | Grant, Sierra | 3 hr |
| Aug 23, 2:08 PM MDT | Areal Flood Advisory | EPZ | Grant, Hidalgo | 3 hr |
| Aug 23, 2:18 PM MDT | Areal Flood Advisory | EPZ | Otero | 117 min |
| Aug 23, 2:30 PM MDT | Special Weather Statement | EPZ | Hidalgo | 30 min |
| Aug 23, 2:47 PM MDT | Special Weather Statement | EPZ | Hidalgo | 28 min |
| Aug 23, 2:52 PM MDT | Special Weather Statement | EPZ | Grant | 23 min |
| Aug 23, 3:00 PM MDT | Areal Flood Advisory | EPZ | Grant, Hidalgo | 3 hr |
| Aug 23, 3:07 PM MDT | Areal Flood Advisory | EPZ | Grant, Sierra | 3 hr |
| Aug 23, 3:13 PM MDT | Flash Flood Warning | EPZ | Grant, Sierra | 3 hr |
| Aug 23, 3:22 PM MDT | Severe Thunderstorm Warning | EPZ | Grant, Hidalgo | 38 min |
| Aug 23, 3:30 PM MDT | Flash Flood Warning | EPZ | Grant | 3 hr |
| Aug 23, 3:35 PM MDT | Severe Thunderstorm Warning | EPZ | Grant, Luna | 25 min |
| Aug 23, 3:55 PM MDT | Special Weather Statement | EPZ | Grant | 35 min |
| Aug 23, 4:03 PM MDT | Severe Thunderstorm Warning | EPZ | Grant, Luna | 27 min |
| Aug 23, 4:06 PM MDT | Areal Flood Advisory | EPZ | Sierra | 114 min |
| Aug 23, 4:13 PM MDT | Areal Flood Advisory | EPZ | Doña Ana | 16 min |
| Aug 23, 4:17 PM MDT | Severe Thunderstorm Warning | EPZ | Doña Ana | 28 min |
| Aug 23, 4:23 PM MDT | Special Weather Statement | EPZ | Sierra | 37 min |
| Aug 23, 4:29 PM MDT | Flash Flood Warning | EPZ | Doña Ana | 106 min |
| Aug 23, 4:40 PM MDT | Severe Thunderstorm Warning | EPZ | Sierra | 35 min |
| Aug 23, 4:48 PM MDT | Areal Flood Advisory | EPZ | Sierra | 21 min |
| Aug 23, 4:55 PM MDT | Areal Flood Advisory | EPZ | Sierra | 3 hr |
| Aug 23, 5:09 PM MDT | Flash Flood Warning | EPZ | Sierra | 3 hr |
| Aug 23, 5:24 PM MDT | Flash Flood Warning | EPZ | Otero | 111 min |
| Aug 23, 5:28 PM MDT | Areal Flood Advisory | EPZ | Doña Ana, Otero, Sierra | 2 hr |
| Aug 23, 5:53 PM MDT | Flash Flood Warning | EPZ | Doña Ana | 112 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.