Alert archive / Oklahoma / Flash Flood Watches in 2015

Flash Flood Watch 6, NWS Tulsa, OK

May 21, 201522 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this flash flood watch at May 21, 2015, 4:27 AM CDT for 22 counties in Oklahoma; 4 counties in Arkansas. It took effect at May 22, 2015, 7:00 AM CDT. It was in force for 64 hr.

The area

The counties it named.

The facts

Issued: May 21, 2015, 4:27 AM CDT (09:27 UTC)
In effect from: May 22, 2015, 7:00 AM CDT
Expired: May 24, 2015, 10:38 PM CDT
In force: 64 hr
Issued by: NWS Tulsa, OK
Flood severity: None

All 26 counties

Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 42 km from the middle of the area, began a volume at 09:30 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 Tulsa, OK wrote its last area forecast discussion before this flash flood watch went out at May 21, 4:09 AM CDT, 18 minutes earlier.

Area forecast discussion, May 21, 4:09 AM CDT, 18 minutes before

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Hazardous weather outlook, May 20, 4:47 PM CDT, 11 hours 40 minutes before

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The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 7:31 PM CDT	Areal Flood Warning	TSA	Haskell, Latimer, LeFlore, McIntosh, Muskogee, Pittsburg	12 hr

Nearby

Flash Flood Watches in Oklahoma, 2015 Flash Flood Watches in Arkansas, 2015 Every flash flood watch in 2015

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.