Alert archive / Texas / Flash Flood Warnings in 2018

Flash Flood Warning 13, NWS Midland/Odessa, TX

July 2, 2018Pecos County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jul 2, 2018, 4:42 PM CDT for Pecos 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 2, 2018, 4:42 PM CDT (21:42 UTC)
Expired: Jul 2, 2018, 7:45 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 134 km from the middle of the area, began a volume at 21:42 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

Midland Regional, TX (KMAF), launched 12:00Z, 9.7 hours before the alert went out and 134 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: 453 J/kg
Mixed-layer CIN: -295 J/kg
Mixed-layer LCL: 1778 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

687 
WGUS54 KMAF 022142
FFWMAF
TXC371-030045-
/O.NEW.KMAF.FF.W.0013.180702T2142Z-180703T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
442 PM CDT MON JUL 2 2018

The National Weather Service in Midland has issued a

* Flash Flood Warning for...
  Northwestern Pecos County in southwestern Texas...

* Until 745 PM CDT.

* At 441 PM CDT, 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 Stockton and Fort Stockton-Pecos County Airport. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3092 10279 3082 10283 3086 10301 3093 10295

$$

84

1 follow-up statement

456 
WGUS74 KMAF 030000
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
700 PM CDT MON JUL 2 2018

TXC371-030045-
/O.CON.KMAF.FF.W.0013.000000T0000Z-180703T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pecos TX-
700 PM CDT MON JUL 2 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHWESTERN PECOS COUNTY...

At 659 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Two to three inches of rain have 
already fallen, with locally higher amounts possible. Flash flooding 
is expected to be ongoing.

Some locations that will experience flooding include...
Fort Stockton and Fort Stockton-Pecos County Airport. 

Additional rainfall amounts of up to one inch are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3092 10279 3082 10283 3086 10301 3093 10295

$$

84

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 7:42 PM CDT	Special Weather Statement	MAF	Reagan	33 min
Jul 1, 7:44 PM CDT	Special Weather Statement	MAF	Borden	46 min
Jul 1, 7:55 PM CDT	Areal Flood Advisory	MAF	Scurry	3 hr
Jul 1, 8:08 PM CDT	Special Weather Statement	MAF	Scurry	67 min
Jul 1, 8:20 PM CDT	Special Weather Statement	MAF	Reagan	25 min
Jul 1, 8:43 PM CDT	Areal Flood Advisory	MAF	Borden	3 hr
Jul 1, 8:54 PM CDT	Areal Flood Advisory	MAF	Reagan	3 hr
Jul 1, 10:41 PM CDT	Flash Flood Warning	MAF	Scurry	3 hr
Jul 2, 1:57 AM CDT	Areal Flood Advisory	MAF	Scurry	3 hr
Jul 2, 2:58 PM CDT	Special Weather Statement	MAF	Pecos	47 min
Jul 2, 4:01 PM CDT	Areal Flood Advisory	MAF	Pecos	3 hr
Jul 2, 4:24 PM CDT	Areal Flood Advisory	MAF	Brewster, Jeff Davis, Presidio	3 hr
Jul 2, 5:05 PM CDT	Special Weather Statement	MAF	Pecos	40 min
Jul 2, 6:25 PM CDT	Special Weather Statement	MAF	Yoakum	35 min

Nearby

Flash Flood Warnings in Texas, 2018 Every flash flood warning in 2018

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.