Alert archive / Texas / River Flood Warnings in 2020

River Flood Warning 29, NWS Houston/Galveston, TX

September 22, 2020Brazoria County, Fort Bend County, Wharton County, Texas

NWS Houston/Galveston, TX issued this river flood warning at Sep 22, 2020, 10:22 AM CDT for Brazoria County, Fort Bend County, Wharton County, Texas. It took effect at Sep 22, 2020, 4:00 PM CDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Sep 22, 2020, 10:22 AM CDT (15:22 UTC)
In effect from: Sep 22, 2020, 4:00 PM CDT
Expired: Sep 28, 2020, 10:23 AM CDT
In force: 6 days
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Flood severity: Minor

Counties Brazoria County, TX, Fort Bend County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 73 km from the middle of the area, began a volume at 15:22 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 near Boling (BOLT2). The gauge peaked at 21.42 ft at Sep 23, 2020, 10:00 AM CDT.

Action stage: 14 ft
Minor stage: 18 ft
Moderate stage: 22 ft
Major stage: 32 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08117500, 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 Sep 22, 3:56 AM CDT, 6 hours 26 minutes earlier.

Area forecast discussion, Sep 22, 3:56 AM CDT, 6 hours 26 minutes before

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In the hours before

Local storm report, Sep 22, 6:11 AM CDT, 4 hours 11 minutes before

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Local storm report, Sep 22, 6:19 AM CDT, 4 hours 3 minutes before

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Local storm report, Sep 22, 7:19 AM CDT, 3 hours 3 minutes before

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Local storm report, Sep 22, 7:21 AM CDT, 3 hours 1 minute before

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Local storm report, Sep 22, 7:24 AM CDT, 2 hours 58 minutes before

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Local storm report, Sep 22, 7:28 AM CDT, 2 hours 54 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 21, 7:08 PM CDT	Flash Flood Warning	HGX	Brazoria, Galveston, Harris	82 min
Sep 21, 7:59 PM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Harris	2 hr
Sep 21, 8:27 PM CDT	Flash Flood Warning	HGX	Brazoria, Fort Bend, Galveston, Harris	3 hr
Sep 21, 8:48 PM CDT	River Flood Warning	HGX	Harris	16 hr
Sep 21, 8:49 PM CDT	River Flood Warning	HGX	Harris	11 hr
Sep 21, 8:52 PM CDT	River Flood Warning	HGX	Galveston, Harris	46 hr
Sep 21, 9:24 PM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Matagorda, Wharton	3 hr
Sep 21, 9:41 PM CDT	River Flood Warning	HGX	Harris	10 hr
Sep 21, 9:51 PM CDT	Flash Flood Warning	HGX	Brazoria, Matagorda, Wharton	3 hr
Sep 21, 10:46 PM CDT	Areal Flood Advisory	HGX	Jackson, Matagorda, Wharton	119 min
Sep 21, 11:17 PM CDT	River Flood Warning	HGX	Galveston, Harris	57 hr
Sep 21, 11:33 PM CDT	Flash Flood Warning	HGX	Brazoria, Fort Bend, Harris	3 hr
Sep 22, 12:24 AM CDT	Flash Flood Warning	HGX	Colorado, Jackson, Wharton	111 min
Sep 22, 1:18 AM CDT	Coastal Flood Warning	HGX	Brazoria, Chambers, Galveston, Harris, Jackson, Matagorda	35 hr
Sep 22, 1:56 AM CDT	Flash Flood Warning	HGX	Jackson	3 hr
Sep 22, 2:06 AM CDT	River Flood Warning	HGX	Matagorda, Wharton	41 hr
Sep 22, 2:07 AM CDT	River Flood Warning	HGX	Jackson, Wharton	10 hr
Sep 22, 2:25 AM CDT	Flash Flood Warning	HGX	Brazoria, Fort Bend, Harris	3 hr
Sep 22, 3:09 AM CDT	River Flood Warning	HGX	Galveston, Harris	37 hr
Sep 22, 3:21 AM CDT	Areal Flood Warning	HGX	Harris	3 hr
Sep 22, 3:57 AM CDT	River Flood Warning	HGX	Brazoria, Harris	27 hr
Sep 22, 4:22 AM CDT	River Flood Warning	HGX	Brazoria, Harris	23 hr
Sep 22, 5:12 AM CDT	River Flood Warning	HGX	Harris	9 hr
Sep 22, 5:27 AM CDT	Flash Flood Warning	HGX	Brazoria, Fort Bend, Harris	3 hr
Sep 22, 6:32 AM CDT	River Flood Warning	HGX	Harris	20 hr
Sep 22, 7:30 AM CDT	River Flood Warning	HGX	Harris	7 hr
Sep 22, 8:29 AM CDT	Flash Flood Warning	HGX	Brazoria, Fort Bend, Galveston, Harris	4 hr
Sep 22, 9:03 AM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Galveston, Harris, Montgomery, Waller	4 hr
Sep 22, 9:30 AM CDT	River Flood Warning	HGX	Harris	7 hr
Sep 22, 10:16 AM CDT	Small Craft Advisory	HGX		32 hr
Sep 22, 10:19 AM CDT	Flash Flood Warning	HGX	Harris	2 hr
Sep 22, 10:39 AM CDT	Rip Current Statement	HGX	Brazoria, Galveston, Matagorda	20 hr
Sep 22, 12:31 PM CDT	Flash Flood Warning	HGX	Harris	10 hr
Sep 22, 12:36 PM CDT	Flash Flood Warning	HGX	Brazoria, Fort Bend, Galveston, Harris	4 hr
Sep 22, 12:55 PM CDT	River Flood Warning	HGX	Brazoria, Harris	24 hr
Sep 22, 4:31 PM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Galveston, Harris	2 hr
Sep 22, 6:58 PM CDT	Areal Flood Advisory	HGX	Harris, Waller	51 min

Nearby

River Flood Warnings in Texas, 2020 Every 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.