Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 49, NWS El Paso, TX

August 23, 2017Hudspeth County, Texas

NWS El Paso, TX issued this flash flood warning at Aug 23, 2017, 3:15 PM MDT for Hudspeth County, Texas. 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, 2017, 3:15 PM MDT (21:15 UTC)
Expired
Aug 23, 2017, 5:15 PM MDT
In force
2 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), 160 km from the middle of the area, began a volume at 21:16 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, 9.3 hours before the alert went out and 160 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 2017-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1129 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 2017-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
1129 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1686 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

525 
WGUS54 KEPZ 232115
FFWEPZ
TXC229-232315-
/O.NEW.KEPZ.FF.W.0049.170823T2115Z-170823T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso TX
315 PM MDT WED AUG 23 2017

The National Weather Service in El Paso has issued a

* Flash Flood Warning for...
  South central Hudspeth County in southwestern Texas...

* Until 515 PM MDT

* At 314 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Radar indicates up to two 
  inches of rain have already fallen. Flash flooding is expected to 
  begin shortly.

* Some locations that will experience flooding include...
  Little Box.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3089 10540 3089 10541 3090 10542 3091 10544
      3093 10545 3093 10547 3095 10550 3096 10550
      3096 10551 3098 10552 3107 10528 3096 10520
      3088 10540

$$

CRESPO
1 follow-up statement
672 
WGUS74 KEPZ 232306
FFSEPZ

Flash Flood Statement
National Weather Service El Paso TX
506 PM MDT WED AUG 23 2017

TXC229-232316-
/O.EXP.KEPZ.FF.W.0049.000000T0000Z-170823T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hudspeth TX-
506 PM MDT WED AUG 23 2017

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL HUDSPETH COUNTY WILL
EXPIRE AT 515 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 3089 10540 3089 10541 3090 10542 3091 10544
      3093 10545 3093 10547 3095 10550 3096 10550
      3096 10551 3098 10552 3107 10528 3096 10520
      3088 10540

$$

CRESPO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 12:53 PM MDTFlash Flood WatchEPZEl Paso, Hudspeth15 hr
Aug 23, 1:24 PM MDTSevere Thunderstorm WarningEPZHudspeth51 min
Aug 23, 2:00 PM MDTSevere Thunderstorm WarningEPZHudspeth45 min
Aug 23, 2:15 PM MDTSpecial Weather StatementEPZHudspeth45 min
Aug 23, 2:32 PM MDTSpecial Weather StatementEPZHudspeth43 min
Aug 23, 2:43 PM MDTSevere Thunderstorm WarningEPZHudspeth47 min
Aug 23, 3:35 PM MDTSpecial Weather StatementEPZEl Paso40 min
Aug 23, 3:39 PM MDTSpecial Weather StatementEPZHudspeth51 min
Aug 23, 3:54 PM MDTAreal Flood AdvisoryEPZEl Paso, Hudspeth3 hr
Aug 23, 3:57 PM MDTSpecial Weather StatementEPZEl Paso48 min
Aug 23, 4:07 PM MDTSpecial Weather StatementEPZEl Paso38 min
Aug 23, 4:12 PM MDTSevere Thunderstorm WarningEPZHudspeth48 min
Aug 23, 4:26 PM MDTAreal Flood AdvisoryEPZEl Paso, Hudspeth3 hr
Aug 23, 4:40 PM MDTFlash Flood WarningEPZEl Paso2 hr
Aug 23, 4:52 PM MDTSpecial Weather StatementEPZEl Paso38 min
Aug 23, 5:27 PM MDTFlash Flood WarningEPZEl Paso, Hudspeth2 hr

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.