Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 13, NWS El Paso, TX

July 18, 2017Hudspeth County, Texas

NWS El Paso, TX issued this flash flood warning at Jul 18, 2017, 3:36 PM MDT for Hudspeth County, Texas. It was in force for 3 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
Jul 18, 2017, 3:36 PM MDT (21:36 UTC)
Expired
Jul 18, 2017, 6:30 PM MDT
In force
3 hr
Issued by
NWS El Paso, TX
Area
Storm-based polygon
Flood severity
None

County Hudspeth County, TX

The radar

The El Paso radar (KEPZ), 139 km from the middle of the area, began a volume at 21:39 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.

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 12:00Z, 9.6 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-pSkew-T log-p diagram, Santa Teresa, NM at 12:00Z on 2017-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 401 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 2017-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
401 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1620 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

759 
WGUS54 KEPZ 182136
FFWEPZ
TXC229-190030-
/O.NEW.KEPZ.FF.W.0013.170718T2136Z-170719T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso TX
336 PM MDT TUE JUL 18 2017

The National Weather Service in El Paso has issued a

* Flash Flood Warning for...
  Central Hudspeth County in southwestern Texas...

* Until 630 PM MDT

* At 334 PM MDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Fort Quitman...
  and Quitman Canyon.

Additional rainfall amounts of 1 to 2 inches is possible in the 
warned area. 

Many low water crossings exist along FM 192 between Esperanza and 
Fort Quitman. Water will likely begin rushing out of local arroyos 
and across this roadway shortly as the heavier rains move back in.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3102 10557 3102 10558 3105 10558 3107 10560
      3108 10560 3110 10562 3110 10564 3112 10565
      3113 10569 3119 10558 3112 10539 3102 10542
      3099 10555

$$

LANEY
1 follow-up statement
973 
WGUS74 KEPZ 190021
FFSEPZ

Flash Flood Statement
National Weather Service El Paso TX
621 PM MDT TUE JUL 18 2017

TXC229-190031-
/O.EXP.KEPZ.FF.W.0013.000000T0000Z-170719T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hudspeth TX-
621 PM MDT TUE JUL 18 2017

...THE FLASH FLOOD WARNING FOR CENTRAL HUDSPETH COUNTY WILL EXPIRE AT
630 PM MDT...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3102 10557 3102 10558 3105 10558 3107 10560
      3108 10560 3110 10562 3110 10564 3112 10565
      3113 10569 3119 10558 3112 10539 3102 10542
      3099 10555

$$

LANEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 1:18 PM MDTSpecial Weather StatementEPZHudspeth42 min

Nearby

Flash Flood Warnings in Texas, 2017Every flash flood warning in 2017

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.