Alert archive / Oklahoma / Areal Flood Advisories in 2021

Areal Flood Advisory 72, NWS Tulsa, OK

July 1, 20215 counties in Oklahoma

NWS Tulsa, OK issued this areal flood advisory at Jul 1, 2021, 8:06 AM CDT for 5 counties in Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 1, 2021, 8:06 AM CDT (13:06 UTC)
Expired: Jul 1, 2021, 11:15 AM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Osage County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 35 km from the middle of the area, began a volume at 13:10 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, 1.1 hours before the alert went out and 195 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: 789 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 575 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.7

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 Jul 1, 6:25 AM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, Jul 1, 6:25 AM CDT, 1 hour 41 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Jul 1, 4:41 AM CDT, 3 hours 25 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 9:43 PM CDT	Special Weather Statement	TSA	Tulsa	47 min
Jun 30, 10:20 PM CDT	Areal Flood Advisory	TSA	Creek, Tulsa	115 min
Jul 1, 5:02 AM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Ottawa	3 hr
Jul 1, 5:50 AM CDT	Flash Flood Warning	TSA	Craig, Delaware	4 hr
Jul 1, 7:14 AM CDT	Areal Flood Advisory	TSA	Creek, Osage, Pawnee, Tulsa, Wagoner	3 hr
Jul 1, 7:24 AM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Mayes, Rogers	3 hr
Jul 1, 8:16 AM CDT	Areal Flood Advisory	TSA	Muskogee, Wagoner	3 hr
Jul 1, 8:27 AM CDT	Areal Flood Advisory	TSA	Adair, Cherokee	3 hr
Jul 1, 9:30 AM CDT	Flash Flood Warning	TSA	Tulsa, Wagoner	4 hr
Jul 1, 10:40 AM CDT	Flash Flood Warning	TSA	Wagoner	3 hr
Jul 1, 10:57 AM CDT	Areal Flood Advisory	TSA	McIntosh, Muskogee	3 hr
Jul 1, 11:40 AM CDT	Areal Flood Advisory	TSA	Osage, Pawnee	3 hr
Jul 1, 12:02 PM CDT	Areal Flood Advisory	TSA	Creek, Okfuskee, Okmulgee	3 hr
Jul 1, 12:59 PM CDT	Areal Flood Advisory	TSA	McIntosh, Muskogee, Okmulgee	3 hr
Jul 1, 1:42 PM CDT	Areal Flood Warning	TSA	Wagoner	3 hr
Jul 1, 1:51 PM CDT	Areal Flood Warning	TSA	Tulsa, Wagoner	3 hr
Jul 1, 2:16 PM CDT	River Flood Advisory	TSA	Tulsa	4 hr
Jul 1, 2:32 PM CDT	River Flood Advisory	TSA	Muskogee	4 hr
Jul 1, 5:43 PM CDT	River Flood Warning	TSA	Osage, Tulsa	8 hr
Jul 1, 5:50 PM CDT	River Flood Warning	TSA	Tulsa	14 hr
Jul 1, 6:07 PM CDT	River Flood Warning	TSA	Muskogee	8 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.