Alert archive / Texas / River Flood Warnings in 2020

River Flood Warning 37, NWS Houston/Galveston, TX

December 31, 20204 counties in Texas

NWS Houston/Galveston, TX issued this river flood warning at Dec 31, 2020, 7:42 AM CST for 4 counties in Texas. It took effect at Dec 31, 2020, 5:12 PM CST. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Dec 31, 2020, 7:42 AM CST (13:42 UTC)
In effect from
Dec 31, 2020, 5:12 PM CST
Expired
Jan 3, 2021, 7:47 PM CST
In force
3 days
Issued by
NWS Houston/Galveston, TX
Flood severity
Minor

Counties Austin County, TX, Colorado County, TX, Fort Bend County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 109 km from the middle of the area, began a volume at 13:42 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 river

Written for the forecast point San Bernard River at East Bernard (EBBT2).

Action stage
13 ft
Minor stage
17 ft
Moderate stage
23 ft
Major stage
28 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 31, 4:14 AM CST, 3 hours 28 minutes earlier.

Area forecast discussion, Dec 31, 4:14 AM CST, 3 hours 28 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 7:31 PM CSTAreal Flood AdvisoryHGXAustin, Colorado, Fort Bend, Waller, Wharton3 hr
Dec 30, 7:56 PM CSTAreal Flood AdvisoryHGXHarris, Montgomery, Waller3 hr
Dec 30, 9:28 PM CSTFlash Flood WarningHGXAustin, Fort Bend, Jackson, Wharton3 hr
Dec 30, 9:32 PM CSTAreal Flood AdvisoryHGXGrimes, Harris, Montgomery, Walker3 hr
Dec 30, 9:36 PM CSTAreal Flood AdvisoryHGXJackson, Matagorda, Wharton3 hr
Dec 30, 11:36 PM CSTAreal Flood AdvisoryHGXAustin, Fort Bend, Waller2 hr
Dec 31, 12:30 AM CSTAreal Flood AdvisoryHGXJackson90 min
Dec 31, 1:14 AM CSTAreal Flood AdvisoryHGXAustin, Waller, Washington2 hr
Dec 31, 7:03 AM CSTAreal Flood AdvisoryHGXColorado, Fort Bend, Jackson, Matagorda, Wharton3 hr
Dec 31, 8:58 AM CSTSpecial Marine WarningHGX32 min
Dec 31, 9:02 AM CSTSpecial Marine WarningHGX43 min
Dec 31, 9:04 AM CSTSpecial Marine WarningHGX56 min
Dec 31, 9:18 AM CSTSpecial Weather StatementHGXMatagorda42 min
Dec 31, 9:24 AM CSTSpecial Marine WarningHGX51 min
Dec 31, 9:34 AM CSTSpecial Weather StatementHGXChambers56 min
Dec 31, 9:44 AM CSTSpecial Weather StatementHGXMatagorda61 min
Dec 31, 9:45 AM CSTWind AdvisoryHGXBrazoria, Galveston, Matagorda17 hr
Dec 31, 9:52 AM CSTSpecial Weather StatementHGXBrazoria53 min
Dec 31, 9:58 AM CSTSpecial Marine WarningHGX32 min
Dec 31, 10:03 AM CSTSpecial Marine WarningHGX87 min
Dec 31, 10:03 AM CSTSevere Thunderstorm WarningHGXBrazoria29 min
Dec 31, 10:23 AM CSTSpecial Marine WarningHGX52 min
Dec 31, 10:25 AM CSTSpecial Marine WarningHGX95 min
Dec 31, 10:42 AM CSTSpecial Weather StatementHGXChambers48 min
Dec 31, 11:03 AM CSTAreal Flood WarningHGXWaller3 hr
Dec 31, 11:21 AM CSTAreal Flood AdvisoryHGXFort Bend, Harris114 min
Dec 31, 11:25 AM CSTSpecial Marine WarningHGX95 min
Dec 31, 11:31 AM CSTAreal Flood AdvisoryHGXBrazoria, Galveston, Harris3 hr
Dec 31, 11:51 AM CSTFlash Flood WarningHGXBrazoria, Galveston114 min
Dec 31, 11:58 AM CSTSpecial Weather StatementHGXChambers, Galveston, Liberty62 min
Dec 31, 12:57 PM CSTSpecial Marine WarningHGX63 min
Dec 31, 1:09 PM CSTRiver Flood WarningHGXHarris23 hr
Dec 31, 1:26 PM CSTAreal Flood AdvisoryHGXChambers, Galveston, Liberty2 hr
Dec 31, 2:05 PM CSTAreal Flood WarningHGXWaller6 hr
Dec 31, 2:13 PM CSTAreal Flood WarningHGXHarris, Montgomery, Waller10 hr
Dec 31, 2:29 PM CSTAreal Flood WarningHGXBrazoria, Galveston6 hr
Dec 31, 2:38 PM CSTRiver Flood WarningHGXBrazoria, Fort Bend, Wharton8 days
Dec 31, 2:42 PM CSTRiver Flood WarningHGXMatagorda, Wharton43 hr
Dec 31, 3:11 PM CSTRip Current StatementHGXBrazoria, Galveston, Matagorda9 hr

Nearby

River Flood Warnings in Texas, 2020Every river flood warning in 2020

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.