Alert archive / Oklahoma / Areal Flood Advisories in 2021

Areal Flood Advisory 8, NWS Tulsa, OK

March 13, 20216 counties in Oklahoma

NWS Tulsa, OK issued this areal flood advisory at Mar 13, 2021, 7:14 AM CST for 6 counties in Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Mar 13, 2021, 7:14 AM CST (13:14 UTC)
Expired: Mar 13, 2021, 10:00 AM CST
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Craig County, OK, Nowata County, OK, Osage County, OK, Pawnee County, OK, Rogers County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 56 km from the middle of the area, began a volume at 13:16 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

Springfield, MO (KSGF), launched 12:00Z, 1.2 hours before the alert went out and 191 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 585 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -68 m²/s²
0-3 km storm-relative helicity: -172 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 Mar 13, 5:17 AM CST, 1 hour 57 minutes earlier.

Area forecast discussion, Mar 13, 5:17 AM CST, 1 hour 57 minutes before

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Hazardous weather outlook, Mar 13, 4:58 AM CST, 2 hours 16 minutes before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <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 Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 12, 7:27 PM CST	River Flood Warning	TSA	Ottawa	9 days
Mar 12, 10:24 PM CST	Special Weather Statement	TSA	Washington	36 min
Mar 12, 10:55 PM CST	Areal Flood Advisory	TSA	Osage, Pawnee	3 hr
Mar 13, 1:23 AM CST	Areal Flood Advisory	TSA	Ottawa	3 hr
Mar 13, 1:36 AM CST	Areal Flood Advisory	TSA	Nowata, Osage, Pawnee, Washington	3 hr
Mar 13, 2:34 AM CST	Areal Flood Advisory	TSA	Craig, Ottawa	2 hr
Mar 13, 3:51 AM CST	Flash Flood Warning	TSA	Craig, Delaware, Ottawa	4 hr
Mar 13, 9:50 AM CST	River Flood Warning	TSA	Osage	21 hr
Mar 13, 1:30 PM CST	River Flood Warning	TSA	Washington	55 hr
Mar 13, 1:32 PM CST	River Flood Warning	TSA	Rogers, Tulsa	3 days

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.