Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 21, NWS Fort Worth, TX

May 28, 2017Mills County, Texas

NWS Fort Worth, TX issued this flash flood warning at May 28, 2017, 8:26 PM CDT for Mills 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: May 28, 2017, 8:26 PM CDT (01:26 UTC)
Expired: May 28, 2017, 11:00 PM CDT
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

County Mills County, TX

The radar

The Ft Hood radar (KGRK), 135 km from the middle of the area, began a volume at 01:29 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

Fort Worth, TX (KFWD), launched 00:00Z, 1.4 hours before the alert went out and 204 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: 157 J/kg
Mixed-layer CIN: -413 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: -175 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted.

905 
WGUS54 KFWD 290126
FFWFWD
TXC333-290400-
/O.NEW.KFWD.FF.W.0021.170529T0126Z-170529T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Fort Worth TX
826 PM CDT SUN MAY 28 2017

The National Weather Service in Fort Worth has issued a

* Flash Flood Warning for...
  Southeastern Mills County in central Texas...

* Until 1100 PM CDT.

* At 825 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. This rainfall will lead to
  excessive water runoff and cause flash flooding. Low-lying areas
  are most vulnerable to rapidly rising water. Some low-water
  crossings may flood and become impassable.

* Some locations that will experience flooding include...
  Goldthwaite.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3154 9836 3141 9827 3141 9828 3125 9857
      3127 9858 3125 9860 3127 9863 3129 9860
      3133 9859 3131 9861 3133 9862 3131 9864
      3135 9864 3137 9865 3134 9870 3135 9871
      3139 9869 3141 9870 3141 9873 3143 9873

$$

30

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 7:01 PM CDT	Areal Flood Advisory	FWD	Coryell, Lampasas	3 hr
May 28, 7:05 PM CDT	Severe Thunderstorm Warning	FWD	Lampasas	25 min
May 28, 7:11 PM CDT	Special Weather Statement	FWD	Coryell	34 min
May 28, 7:16 PM CDT	Flash Flood Warning	FWD	Falls, Milam, Robertson	3 hr
May 28, 7:23 PM CDT	Special Weather Statement	FWD	Leon	67 min
May 28, 7:27 PM CDT	Special Weather Statement	FWD	Lampasas	33 min
May 28, 7:30 PM CDT	Special Weather Statement	FWD	Falls	30 min
May 28, 7:50 PM CDT	Areal Flood Advisory	FWD	Bell, Coryell	3 hr
May 28, 7:55 PM CDT	Flash Flood Warning	FWD	Lampasas	3 hr
May 28, 7:55 PM CDT	Severe Thunderstorm Warning	FWD	Bell	24 min
May 28, 8:00 PM CDT	Special Weather Statement	FWD	Lampasas	30 min
May 28, 8:03 PM CDT	Areal Flood Advisory	FWD	Leon, Robertson	3 hr
May 28, 10:04 PM CDT	Areal Flood Warning	FWD	Falls, Milam, Robertson	3 hr
May 28, 10:53 PM CDT	Areal Flood Warning	FWD	Lampasas, Mills	3 hr
May 29, 12:15 AM CDT	Areal Flood Advisory	FWD	Anderson	5 hr

Nearby

Flash Flood Warnings in Texas, 2017 Every 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.