Alert archive / Oklahoma / Areal Flood Advisories in 2021

Areal Flood Advisory 63, NWS Tulsa, OK

June 28, 2021Tulsa County, Oklahoma

NWS Tulsa, OK issued this areal flood advisory at Jun 28, 2021, 10:54 PM CDT for Tulsa County, Oklahoma. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Jun 28, 2021, 10:54 PM CDT (03:54 UTC)
Expired: Jun 29, 2021, 1:00 AM CDT
In force: 2 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Tulsa County, OK

The radar

The Tulsa radar (KINX), 34 km from the middle of the area, began a volume at 03:54 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 nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.9 hours before the alert went out and 321 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 30 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 1080 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jun 28, 9:53 PM CDT, 1 hour 1 minute earlier.

Area forecast discussion, Jun 28, 9:53 PM CDT, 1 hour 1 minute 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
Jun 28, 8:22 PM CDT	Areal Flood Advisory	TSA	Osage, Pawnee, Washington	3 hr

Nearby

Areal Flood Advisories in Oklahoma, 2021 Every areal flood advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.