Alert archive / New Mexico / Flash Flood Warnings in 2008

Flash Flood Warning 21, NWS El Paso, TX

July 18, 2008Grant County, Luna County, New Mexico

NWS El Paso, TX issued this flash flood warning at Jul 18, 2008, 5:00 PM MDT for Grant County, Luna 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: Jul 18, 2008, 5:00 PM MDT (23:00 UTC)
Expired: Jul 18, 2008, 8:00 PM MDT
In force: 3 hr
Issued by: NWS El Paso, TX
Area: Storm-based polygon
Flood severity: None

Counties Grant County, NM, Luna County, NM

The radar

The El Paso radar (KEPZ), 139 km from the middle of the area, began a volume at 22:57 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

Time	Report	Where	Remark
Jul 18, 5:20 PM MDT	HEAVY RAIN 1	1 Se Deming, NM	OVER 1 INCH FELL IN 50 MINUTES...SPILLING INTO LARGER GAUGE.
Jul 18, 5:40 PM MDT	FLASH FLOOD	Deming, NM	NUMEROUS ROADS FLOODED THROUGHOUT LUNA COUNTY. REPORTED BY LUNA CO ROAD DEPARTMENT.

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, 11.0 hours before the alert went out and 139 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: 949 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 1483 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 91 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.

000 
WGUS54 KEPZ 182300
FFWEPZ
NMC017-029-190200-
/O.NEW.KEPZ.FF.W.0021.080718T2300Z-080719T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EL PASO TX
500 PM MDT FRI JUL 18 2008

THE NATIONAL WEATHER SERVICE IN EL PASO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL GRANT COUNTY IN SOUTHWEST NEW MEXICO...
  NORTHERN LUNA COUNTY IN SOUTHWEST NEW MEXICO...
  THIS INCLUDES THE CITY OF DEMING AND FORT BAYARD.

* UNTIL 800 PM MDT

* AT 453 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HURLEY...  
  CENTRAL...BAYARD...SHERMAN...SAN LORENZO.

THIS WARNING INCLUDES PORTIONS OF U.S. HIGHWAY 180 BETWEEN SILVER 
CITY AND DEMING...STATE HIGHWAY 61...PORTIONS OF HIGHWAY 11 SOUTH OF 
DEMING...AND INTERSTATE 10 BETWEEN MILE MARKERS 102 AND 65.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

LAT...LON 3266 10829 3281 10822 3283 10779 3263 10772
      3210 10740 3208 10792

$$

HARDIMAN

1 follow-up statement

000 
WGUS74 KEPZ 190157
FFSEPZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EL PASO TX
757 PM MDT FRI JUL 18 2008

NMC017-029-190205-
/O.EXP.KEPZ.FF.W.0021.000000T0000Z-080719T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LUNA NM-GRANT NM-
757 PM MDT FRI JUL 18 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT 800 PM MDT FOR EAST CENTRAL
GRANT AND NORTHERN LUNA COUNTIES...

LIGHT RAIN WILL CONTINUE THROUGH ABOUT 10 PM...BUT NO ADDITIONAL 
FLOODING PROBLEMS ARE EXPECTED.   


LAT...LON 3266 10829 3281 10822 3283 10779 3263 10772
      3210 10740 3208 10792

$$

HARDIMAN

The office that day

Everything else NWS El Paso, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 6:02 PM MDT	Flash Flood Warning	EPZ	Sierra	118 min
Jul 17, 7:08 PM MDT	Areal Flood Advisory	EPZ	Doña Ana, Sierra	3 hr
Jul 18, 12:48 PM MDT	Areal Flood Advisory	EPZ	Otero	3 hr
Jul 18, 1:30 PM MDT	Areal Flood Advisory	EPZ	Doña Ana	3 hr
Jul 18, 2:02 PM MDT	Areal Flood Advisory	EPZ	Otero	3 hr
Jul 18, 2:54 PM MDT	Severe Thunderstorm Warning	EPZ	Doña Ana	36 min
Jul 18, 3:09 PM MDT	Severe Thunderstorm Warning	EPZ	Doña Ana, Luna, Sierra	51 min
Jul 18, 4:08 PM MDT	Severe Thunderstorm Warning	EPZ	Doña Ana, Luna	37 min
Jul 18, 4:41 PM MDT	Severe Thunderstorm Warning	EPZ	Luna	64 min
Jul 18, 5:57 PM MDT	Areal Flood Advisory	EPZ	Grant, Hidalgo	3 hr

Nearby

Flash Flood Warnings in New Mexico, 2008 Every flash flood warning in 2008

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.