Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 9, NWS El Paso, TX

August 21, 2016El Paso County, Texas

NWS El Paso, TX issued this flash flood warning at Aug 21, 2016, 3:01 PM MDT for El Paso County, Texas. It was in force for 119 min. 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 21, 2016, 3:01 PM MDT (21:01 UTC)
Expired
Aug 21, 2016, 5:00 PM MDT
In force
119 min
Issued by
NWS El Paso, TX
Area
Storm-based polygon
Flood severity
None

County El Paso County, TX

The radar

The El Paso radar (KEPZ), 31 km from the middle of the area, began a volume at 21:01 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, 9.0 hours before the alert went out and 31 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 2016-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 215 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 2016-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.193958Sfc1 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
215 J/kg
Mixed-layer CIN
-123 J/kg
Mixed-layer LCL
1255 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

970 
WGUS54 KEPZ 212101
FFWEPZ
TXC141-212300-
/O.NEW.KEPZ.FF.W.0009.160821T2101Z-160821T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EL PASO TX
301 PM MDT SUN AUG 21 2016

THE NATIONAL WEATHER SERVICE IN EL PASO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL EL PASO COUNTY IN WESTERN TEXAS...

* UNTIL 500 PM MDT

* AT 259 PM MDT...DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS
  PRODUCING HEAVY RAIN OVER EAST EL PASO AND FORT BLISS. OVER A HALF
  INCH OF RAIN HAS FALLEN IN THE PAST 15 TO 20 MINUTES. FLASH
  FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NORTHEAST EL PASO...
  CENTRAL EL PASO...
  EAST EL PASO...
  FORT BLISS...
  BIGGS FIELD.
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF ARROYOS...
URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER 
POOR DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 3175 10642 3176 10646 3200 10650 3200 10620
      3180 10622 3174 10640

$$

HARDIMAN
1 follow-up statement
844 
WGUS74 KEPZ 212156
FFSEPZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EL PASO TX
356 PM MDT SUN AUG 21 2016

TXC141-212300-
/O.CON.KEPZ.FF.W.0009.000000T0000Z-160821T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EL PASO TX-
356 PM MDT SUN AUG 21 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR
NORTH CENTRAL EL PASO COUNTY...

AT 353 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN HAVE MOSTLY PUSHED OUT OF CENTRAL EL PASO AND FORT BLISS.  STORMS 
CONTINUE OVER NORTHWEST EL PASO AND ARE MOVING SLOWLY TO THE EAST AND 
MAY MOVE BACK INTO NORTHEAST EL PASO.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTHEAST EL PASO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
ARROYOS...STREAMS...AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.

&&

LAT...LON 3185 10638 3184 10647 3200 10650 3200 10620
      3180 10622 3176 10634

$$

HARDIMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 12:41 PM MDTAreal Flood AdvisoryEPZEl Paso, Hudspeth2 hr
Aug 21, 1:54 PM MDTSpecial Weather StatementEPZHudspeth51 min
Aug 21, 1:58 PM MDTSevere Thunderstorm WarningEPZHudspeth47 min
Aug 21, 2:48 PM MDTAreal Flood AdvisoryEPZEl Paso117 min
Aug 21, 2:49 PM MDTSpecial Weather StatementEPZEl Paso56 min
Aug 21, 3:01 PM MDTSevere Thunderstorm WarningEPZEl Paso44 min
Aug 21, 3:07 PM MDTSevere Thunderstorm WarningEPZEl Paso38 min
Aug 21, 3:27 PM MDTFlash Flood WarningEPZEl Paso3 hr
Aug 21, 3:47 PM MDTSevere Thunderstorm WarningEPZEl Paso43 min
Aug 21, 4:38 PM MDTSpecial Weather StatementEPZEl Paso52 min

Nearby

Flash Flood Warnings in Texas, 2016Every flash flood warning in 2016

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.