Alert archive / Texas / Flash Flood Watches in 2018

Flash Flood Watch 2, NWS Houston/Galveston, TX

March 27, 201822 counties in Texas

NWS Houston/Galveston, TX issued this flash flood watch at Mar 27, 2018, 2:01 PM CDT for 22 counties in Texas. It took effect at Mar 27, 2018, 10:00 PM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Mar 27, 2018, 2:01 PM CDT (19:01 UTC)
In effect from
Mar 27, 2018, 10:00 PM CDT
Expired
Mar 29, 2018, 7:00 AM CDT
In force
33 hr
Issued by
NWS Houston/Galveston, TX
Flood severity
None
All 22 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, Houston County, TX, Liberty County, TX, Madison County, TX, Matagorda County, TX, Montgomery County, TX, Polk County, TX, San Jacinto County, TX, Trinity County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 93 km from the middle of the area, began a volume at 19:02 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 Mar 27, 12:40 PM CDT, 1 hour 21 minutes earlier.

Area forecast discussion, Mar 27, 12:40 PM CDT, 1 hour 21 minutes before
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Hazardous weather outlook, Mar 27, 3:57 AM CDT, 10 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Houston/Galveston TX
357 AM CDT Tue Mar 27 2018

TXZ163-164-176>179-195>200-210>213-226-227-281200-
Austin-Brazos-Burleson-Colorado-Fort Bend-Grimes-Harris-Houston-
Liberty-Madison-Montgomery-Polk-San Jacinto-Trinity-Walker-Waller-
Washington-Wharton-
357 AM CDT Tue Mar 27 2018

This hazardous weather outlook is for portions of Southeast Texas.

.DAY ONE...Today and Tonight

A slow moving storm system will bring increasing shower and thunderstorm
chances to the area, beginning this afternoon but more likely starting
tonight. Some locations in and around the Brazos Valley area could see
locally heavy rainfall, and some strong to severe thunderstorms will
be possible too.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

A slow moving storm system will bring increasing shower and thunderstorm
chances to the area, especially Wednesday through Thursday morning.
Some locations could see locally heavy rainfall, and some strong to
severe thunderstorms will be possible too.

.SPOTTER INFORMATION STATEMENT...

Spotter activation might be needed tonight through Thursday morning.

GMZ330-335-350-355-370-375-TXZ214-235>238-281200-
Brazoria-Chambers-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
Galveston-Galveston Bay-Jackson-Matagorda-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-
357 AM CDT Tue Mar 27 2018

This hazardous weather outlook is for portions of Southeast Texas.

.DAY ONE...Today and Tonight

Moderate to strong southerly winds, elevated seas and an elevated rip
current risk will persist. Small craft advisories may be needed at
times. Elevated surf along area beaches will increase the rip current
risk...especially near structures such as jetties, piers and rock groins.
Swim near a lifeguard.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Moderate to strong southerly winds, elevated seas and an elevated rip
current risk will persist on Wednesday. A slow moving storm system
will bring increasing shower and thunderstorm chances to the area
Wednesday through Thursday morning. Some locations could see locally
heavy rainfall, and some strong to severe thunderstorms will be possible
too.

.SPOTTER INFORMATION STATEMENT...

Spotter activation might be needed Wednesday through Thursday morning.

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 27, 4:19 AM CDTBeach Hazards StatementHGXBrazoria, Chambers, Galveston, Matagorda60 hr

Nearby

Flash Flood Watches in Texas, 2018Every flash flood watch 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; radar from the NEXRAD Level II archive.