Alert archive / Nebraska / Flash Flood Watches in 2019

Flash Flood Watch 5, NWS Cheyenne, WY

July 31, 2019Converse County, Goshen County, Niobrara County, Wyoming; 8 counties in Nebraska

NWS Cheyenne, WY issued this flash flood watch at Jul 31, 2019, 12:50 PM MDT for Converse County, Goshen County, Niobrara County, Wyoming; 8 counties in Nebraska. It took effect at Aug 1, 2019, 12:00 PM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jul 31, 2019, 12:50 PM MDT (18:50 UTC)
In effect from: Aug 1, 2019, 12:00 PM MDT
Expired: Aug 1, 2019, 9:00 PM MDT
In force: 9 hr
Issued by: NWS Cheyenne, WY
Flood severity: None

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Converse County, WY, Goshen County, WY, Niobrara County, WY

The radar

The Cheyenne radar (KCYS), 136 km from the middle of the area, began a volume at 18:53 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 Cheyenne, WY wrote its last area forecast discussion before this flash flood watch went out at Jul 31, 11:43 AM MDT, 1 hour 7 minutes earlier.

Area forecast discussion, Jul 31, 11:43 AM MDT, 1 hour 7 minutes before

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Hazardous weather outlook, Jul 31, 4:35 AM MDT, 8 hours 15 minutes before

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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 30, 6:13 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	32 min
Jul 31, 2:17 PM MDT	Special Weather Statement	CYS	Laramie	43 min
Jul 31, 3:11 PM MDT	Severe Thunderstorm Warning	CYS	Albany	34 min
Jul 31, 4:27 PM MDT	Special Weather Statement	CYS	Platte	48 min
Jul 31, 5:04 PM MDT	Special Weather Statement	CYS	Niobrara	56 min
Jul 31, 5:18 PM MDT	Special Weather Statement	CYS	Converse	57 min
Jul 31, 5:30 PM MDT	Special Weather Statement	CYS	Converse	60 min
Jul 30, 6:38 PM MDT	Severe Thunderstorm Warning	CYS	Sioux	33 min
Jul 30, 7:12 PM MDT	Special Weather Statement	CYS	Dawes	63 min

Nearby

Flash Flood Watches in Nebraska, 2019 Flash Flood Watches in Wyoming, 2019 Every flash flood watch in 2019

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.