Alert archive / Texas / River Flood Warnings in 2020

River Flood Warning 20, NWS Fort Worth, TX

February 12, 2020Collin County, Texas

NWS Fort Worth, TX issued this river flood warning at Feb 12, 2020, 3:20 PM CST for Collin County, Texas. It took effect at Feb 12, 2020, 4:49 PM CST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Feb 12, 2020, 3:20 PM CST (21:20 UTC)
In effect from: Feb 12, 2020, 4:49 PM CST
Expired: Feb 13, 2020, 1:50 PM CST
In force: 21 hr
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: Minor

County Collin County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 97 km from the middle of the area, began a volume at 21:24 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 Sister Grove Creek near Blue Ridge (BVWT2).

Action stage: 22 ft
Minor stage: 24 ft
Moderate stage: 27 ft
Major stage: 31 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08059400, 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.

Hazardous weather outlook, Feb 11, 5:32 PM CST, 21 hours 48 minutes before

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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 12, 6:42 AM CST	Areal Flood Advisory	FWD	Dallas	3 hr
Feb 12, 7:08 AM CST	Areal Flood Advisory	FWD	Ellis, Johnson, Tarrant	3 hr
Feb 12, 7:18 AM CST	River Flood Warning	FWD	Dallas	14 hr
Feb 12, 7:33 AM CST	Areal Flood Advisory	FWD	Collin, Denton	3 hr
Feb 12, 7:56 AM CST	River Flood Warning	FWD	Dallas	26 hr
Feb 12, 9:00 AM CST	Areal Flood Advisory	FWD	Collin, Fannin, Hunt, Kaufman, Rockwall	3 hr
Feb 12, 9:09 AM CST	River Flood Warning	FWD	Delta, Hopkins	29 hr
Feb 12, 9:45 AM CST	River Flood Warning	FWD	Denton	30 hr
Feb 12, 1:27 PM CST	River Flood Warning	FWD	Navarro	41 hr
Feb 12, 1:27 PM CST	River Flood Warning	FWD	Henderson, Navarro	5 days

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.