Alert archive / Oklahoma / Flash Flood Warnings in 2022

Flash Flood Warning 14, NWS Norman, OK

May 13, 2022Seminole County, Oklahoma

NWS Norman, OK issued this flash flood warning at May 13, 2022, 9:38 AM CDT for 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, 9:38 AM CDT (14:38 UTC)
Expired
May 13, 2022, 12:45 PM CDT
In force
3 hr
Issued by
NWS Norman, OK
Area
Storm-based polygon
Flood severity
None

County Seminole County, OK

The radar

The Norman radar (KTLX), 63 km from the middle of the area, began a volume at 14:41 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, 2.6 hours before the alert went out and 72 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2022-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2026 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2022-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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, 5:50 AM CDT, 3 hours 48 minutes earlier.

Area forecast discussion, May 13, 5:50 AM CDT, 3 hours 48 minutes before
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Hazardous weather outlook, May 13, 5:04 AM CDT, 4 hours 34 minutes before
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In the hours before

Special weather statement, May 13, 4:43 AM CDT, 4 hours 55 minutes before
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Special weather statement, May 13, 7:32 AM CDT, 2 hours 6 minutes before
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Special weather statement, May 13, 7:47 AM CDT, 1 hour 51 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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Special weather statement, May 13, 8:17 AM CDT, 1 hour 21 minutes before
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 9:17 PM CDTSpecial Weather StatementOUNHarper28 min
May 12, 9:30 PM CDTSevere Thunderstorm WarningOUNEllis, Harper45 min
May 12, 10:04 PM CDTSpecial Weather StatementOUNBeckham26 min
May 12, 10:12 PM CDTSevere Thunderstorm WarningOUNHarper, Woods, Woodward21 min
May 12, 10:29 PM CDTSevere Thunderstorm WarningOUNBeckham, Roger Mills46 min
May 12, 10:42 PM CDTSpecial Weather StatementOUNWoods33 min
May 12, 11:12 PM CDTSevere Thunderstorm Warning Considerable damage threatOUNBeckham, Custer, Roger Mills, Washita48 min
May 12, 11:35 PM CDTAreal Flood AdvisoryOUNBeckham, Roger Mills3 hr
May 12, 11:58 PM CDTSpecial Weather StatementOUNBeckham32 min
May 13, 12:26 AM CDTSpecial Weather StatementOUNBeckham, Custer34 min
May 13, 12:41 AM CDTSpecial Weather StatementOUNMajor34 min
May 13, 12:56 AM CDTSpecial Weather StatementOUNAlfalfa, Major34 min
May 13, 1:04 AM CDTSpecial Weather StatementOUNBlaine, Custer26 min
May 13, 1:34 AM CDTSpecial Weather StatementOUNAlfalfa26 min
May 13, 1:44 AM CDTSpecial Weather StatementOUNBlaine31 min
May 13, 2:33 AM CDTAreal Flood AdvisoryOUNCuster3 hr
May 13, 4:43 AM CDTSpecial Weather StatementOUNOklahoma32 min
May 13, 6:09 AM CDTAreal Flood AdvisoryOUNHughes3 hr
May 13, 7:32 AM CDTSpecial Weather StatementOUNSeminole28 min
May 13, 7:47 AM CDTSpecial Weather StatementOUNSeminole28 min
May 13, 8:10 AM CDTAreal Flood AdvisoryOUNSeminole3 hr
May 13, 8:17 AM CDTSpecial Weather StatementOUNSeminole28 min
May 13, 9:59 AM CDTSpecial Weather StatementOUNSeminole16 min
May 13, 10:39 AM CDTAreal Flood AdvisoryOUNLincoln, Pottawatomie, Seminole3 hr
May 13, 10:57 AM CDTSpecial Weather StatementOUNPottawatomie33 min
May 13, 11:17 AM CDTFlash Flood WarningOUNLincoln, Pottawatomie, Seminole3 hr
May 13, 11:33 AM CDTSpecial Weather StatementOUNMcClain27 min
May 13, 11:41 AM CDTSpecial Weather StatementOUNPottawatomie34 min
May 13, 11:55 AM CDTSevere Thunderstorm WarningOUNLincoln, Pottawatomie, Seminole50 min
May 13, 12:42 PM CDTSevere Thunderstorm WarningOUNPottawatomie, Seminole48 min
May 13, 12:51 PM CDTAreal Flood AdvisoryOUNPottawatomie, Seminole3 hr
May 13, 1:23 PM CDTSpecial Weather StatementOUNOkfuskee22 min
May 13, 3:32 PM CDTSpecial Weather StatementOUNPontotoc28 min
May 13, 4:01 PM CDTSpecial Weather StatementOUNPontotoc29 min
May 13, 4:32 PM CDTSpecial Weather StatementOUNPontotoc28 min
May 13, 5:53 PM CDTSpecial Weather StatementOUNCotton37 min
May 13, 6:17 PM CDTSevere Thunderstorm WarningOUNCotton43 min
May 13, 6:43 PM CDTSevere Thunderstorm WarningOUNCotton47 min
May 13, 5:43 PM CDTSpecial Weather StatementOUNBaylor32 min
May 13, 6:44 PM CDTSpecial Weather StatementOUNWichita31 min
May 13, 6:57 PM CDTSevere Thunderstorm WarningOUNClay, Wichita48 min

Nearby

Flash Flood Warnings in Oklahoma, 2022Every 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.