Alert archive / Texas / River Flood Warnings in 2018

River Flood Warning 105, NWS Houston/Galveston, TX

December 21, 20184 counties in Texas

NWS Houston/Galveston, TX issued this river flood warning at Dec 21, 2018, 2:31 PM CST for 4 counties in Texas. It took effect at Dec 22, 2018, 6:00 AM CST. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 2018, 2:31 PM CST (20:31 UTC)
In effect from
Dec 22, 2018, 6:00 AM CST
Expired
Dec 22, 2018, 10:21 AM CST
In force
4 hr
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Flood severity
Minor

Counties Polk County, TX, San Jacinto County, TX, Trinity County, TX, Walker County, TX

The radar

The Houston radar (KHGX), 148 km from the middle of the area, began a volume at 20:36 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 river

Written for the forecast point Trinity River at Riverside (RVRT2). The gauge peaked at 133.34 ft at Dec 21, 2018, 10:00 PM CST.

actionminormoderate13213413612/2112/2212/23
Action stage
132 ft
Minor stage
133.5 ft
Moderate stage
136 ft
Major stage
140 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08066000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning 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 river flood warning went out at Dec 20, 5:54 PM CST, 20 hours 37 minutes earlier.

Area forecast discussion, Dec 20, 5:54 PM CST, 20 hours 37 minutes before
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Nearby

River Flood Warnings in Texas, 2018Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.