Alert archive / Texas / Flash Flood Watches in 2017

Flash Flood Watch 1, NWS Houston/Galveston, TX

February 19, 201720 counties in Texas

NWS Houston/Galveston, TX issued this flash flood watch at Feb 19, 2017, 1:52 PM CST for 20 counties in Texas. It took effect at Feb 20, 2017, 3:00 AM CST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Feb 19, 2017, 1:52 PM CST (19:52 UTC)
In effect from
Feb 20, 2017, 3:00 AM CST
Expired
Feb 20, 2017, 7:46 AM CST
In force
5 hr
Issued by
NWS Houston/Galveston, TX
Flood severity
None

Counties Austin County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Chambers County, TX, Colorado County, TX, Fort Bend County, TX, Galveston County, TX, Grimes County, TX, Harris County, TX, Jackson County, TX, Liberty County, TX, Madison County, TX, Matagorda County, TX, Montgomery County, TX, San Jacinto County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 87 km from the middle of the area, began a volume at 19:56 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.

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood watch went out at Feb 19, 11:55 AM CST, 1 hour 57 minutes earlier.

Area forecast discussion, Feb 19, 11:55 AM CST, 1 hour 57 minutes before
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Hazardous weather outlook, Feb 19, 4:00 AM CST, 9 hours 52 minutes before
Hazardous Weather Outlook
National Weather Service Houston/Galveston TX
400 AM CST Sun Feb 19 2017

TXZ163-164-176>179-195>200-210>214-226-227-235>238-201000-
Austin-Brazoria-Brazos-Burleson-Chambers-Colorado-Fort Bend-
Galveston-Grimes-Harris-Houston-Jackson-Liberty-Madison-Matagorda-
Montgomery-Polk-San Jacinto-Trinity-Walker-Waller-Washington-
Wharton-
400 AM CST Sun Feb 19 2017

This hazardous weather outlook is for portions of Southeast Texas..

.DAY ONE...Today and Tonight

Patchy fog and light drizzle will reduce visibility this morning
to less than 3 miles. A few areas could experience locally dense
fog with visibility below a 1/2 mile at times. Use caution if
driving this morning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

An upper level trough will approach the state tonight. Showers and
thunderstorms are expected to develop around midnight and
overspread the region. A few of the storms could become strong
west of a Crockett to Houston to Bay City line with gusty winds
and small hail. However, The primary hazard will be heavy rain.
At this time...the heaviest rain is expected to fall between 3 AM
and 9 AM with light to moderate rain lingering into the afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late tonight into early Monday.

GMZ330-335-350-355-370-375-201000-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
Galveston Bay-Matagorda Bay-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
400 AM CST Sun Feb 19 2017

This hazardous weather outlook is for portions of Southeast Texas..

.DAY ONE...Today and Tonight

Sea fog will be possible through tonight. Visibility could fall
below a mile at times.

A storm system will bring additional showers and thunderstorms
late tonight. A few of the storms could be strong with heavy rain
reducing visibility and gusty winds.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

A storm system will bring additional showers and thunderstorms
on Monday. A few of the storms could again be strong with heavy
rain reducing visibility and gusty winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

Nearby

Flash Flood Watches in Texas, 2017Every flash flood watch 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; radar from the NEXRAD Level II archive.