Alert archive / Oklahoma / Flash Flood Warnings in 2022

Flash Flood Warning 15, NWS Norman, OK

May 13, 2022Lincoln County, Pottawatomie County, Seminole County, Oklahoma

NWS Norman, OK issued this flash flood warning at May 13, 2022, 11:17 AM CDT for Lincoln County, Pottawatomie County, Seminole County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 13, 2022, 11:17 AM CDT (16:17 UTC)
Expired: May 13, 2022, 2:15 PM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: None

Counties Lincoln County, OK, Pottawatomie County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 42 km from the middle of the area, began a volume at 16:20 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

Norman, OK (KOUN), launched 12:00Z, 4.3 hours before the alert went out and 55 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: 2026 J/kg
Mixed-layer CIN: -243 J/kg
Mixed-layer LCL: 953 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this flash flood warning went out at May 13, 10:28 AM CDT, 49 minutes earlier.

Area forecast discussion, May 13, 10:28 AM CDT, 49 minutes before

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Hazardous weather outlook, May 13, 5:04 AM CDT, 6 hours 13 minutes before

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In the hours before

Special weather statement, May 13, 7:32 AM CDT, 3 hours 45 minutes before

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Special weather statement, May 13, 7:47 AM CDT, 3 hours 30 minutes before

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Special weather statement, May 13, 8:17 AM CDT, 3 hours before

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Special weather statement, May 13, 9:59 AM CDT, 1 hour 18 minutes before

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Special weather statement, May 13, 10:57 AM CDT, 20 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 9:17 PM CDT	Special Weather Statement	OUN	Harper	28 min
May 12, 9:30 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper	45 min
May 12, 10:04 PM CDT	Special Weather Statement	OUN	Beckham	26 min
May 12, 10:12 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods, Woodward	21 min
May 12, 10:29 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	46 min
May 12, 10:42 PM CDT	Special Weather Statement	OUN	Woods	33 min
May 12, 11:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Beckham, Custer, Roger Mills, Washita	48 min
May 12, 11:35 PM CDT	Areal Flood Advisory	OUN	Beckham, Roger Mills	3 hr
May 12, 11:58 PM CDT	Special Weather Statement	OUN	Beckham	32 min
May 13, 12:26 AM CDT	Special Weather Statement	OUN	Beckham, Custer	34 min
May 13, 12:41 AM CDT	Special Weather Statement	OUN	Major	34 min
May 13, 12:56 AM CDT	Special Weather Statement	OUN	Alfalfa, Major	34 min
May 13, 1:04 AM CDT	Special Weather Statement	OUN	Blaine, Custer	26 min
May 13, 1:34 AM CDT	Special Weather Statement	OUN	Alfalfa	26 min
May 13, 1:44 AM CDT	Special Weather Statement	OUN	Blaine	31 min
May 13, 2:33 AM CDT	Areal Flood Advisory	OUN	Custer	3 hr
May 13, 4:43 AM CDT	Special Weather Statement	OUN	Oklahoma	32 min
May 13, 6:09 AM CDT	Areal Flood Advisory	OUN	Hughes	3 hr
May 13, 7:32 AM CDT	Special Weather Statement	OUN	Seminole	28 min
May 13, 7:47 AM CDT	Special Weather Statement	OUN	Seminole	28 min
May 13, 8:10 AM CDT	Areal Flood Advisory	OUN	Seminole	3 hr
May 13, 8:17 AM CDT	Special Weather Statement	OUN	Seminole	28 min
May 13, 9:38 AM CDT	Flash Flood Warning	OUN	Seminole	3 hr
May 13, 9:59 AM CDT	Special Weather Statement	OUN	Seminole	16 min
May 13, 10:39 AM CDT	Areal Flood Advisory	OUN	Lincoln, Pottawatomie, Seminole	3 hr
May 13, 10:57 AM CDT	Special Weather Statement	OUN	Pottawatomie	33 min
May 13, 11:33 AM CDT	Special Weather Statement	OUN	McClain	27 min
May 13, 11:41 AM CDT	Special Weather Statement	OUN	Pottawatomie	34 min
May 13, 11:55 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie, Seminole	50 min
May 13, 12:42 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie, Seminole	48 min
May 13, 12:51 PM CDT	Areal Flood Advisory	OUN	Pottawatomie, Seminole	3 hr
May 13, 1:23 PM CDT	Special Weather Statement	OUN	Okfuskee	22 min
May 13, 3:32 PM CDT	Special Weather Statement	OUN	Pontotoc	28 min
May 13, 4:01 PM CDT	Special Weather Statement	OUN	Pontotoc	29 min
May 13, 4:32 PM CDT	Special Weather Statement	OUN	Pontotoc	28 min
May 13, 5:53 PM CDT	Special Weather Statement	OUN	Cotton	37 min
May 13, 6:17 PM CDT	Severe Thunderstorm Warning	OUN	Cotton	43 min
May 13, 6:43 PM CDT	Severe Thunderstorm Warning	OUN	Cotton	47 min
May 13, 5:43 PM CDT	Special Weather Statement	OUN	Baylor	32 min
May 13, 6:44 PM CDT	Special Weather Statement	OUN	Wichita	31 min
May 13, 6:57 PM CDT	Severe Thunderstorm Warning	OUN	Clay, Wichita	48 min

Nearby

Flash Flood Warnings in Oklahoma, 2022 Every flash flood warning in 2022

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.