Alert archive / Oklahoma / Heat Advisories in 2016

Heat Advisory 28, NWS Tulsa, OK

August 9, 201621 counties in Oklahoma

NWS Tulsa, OK issued this heat advisory at Aug 9, 2016, 3:21 AM CDT for 21 counties in Oklahoma. It took effect at Aug 9, 2016, 1:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Aug 9, 2016, 3:21 AM CDT (08:21 UTC)
In effect from: Aug 9, 2016, 1:00 PM CDT
Expired: Aug 9, 2016, 9:00 PM CDT
In force: 8 hr
Issued by: NWS Tulsa, OK

All 21 counties

Cherokee County, OK, Choctaw County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 41 km from the middle of the area, began a volume at 08:18 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 00:00Z, 8.4 hours before the alert went out and 200 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: 679 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1113 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat 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 heat advisory went out at Aug 9, 3:18 AM CDT, 3 minutes earlier.

Area forecast discussion, Aug 9, 3:18 AM CDT, 3 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, Aug 8, 11:05 PM CDT, 4 hours 16 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
Aug 8, 8:43 PM CDT	Areal Flood Advisory	TSA	Choctaw	3 hr
Aug 9, 3:21 AM CDT	Heat Advisory	TSA	Cherokee, Choctaw, Craig, Creek, Delaware, Haskell and 15 more	42 hr
Aug 9, 3:04 PM CDT	Special Weather Statement	TSA	Sequoyah	26 min
Aug 9, 3:23 PM CDT	Heat Advisory	TSA	Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more	53 hr
Aug 9, 4:05 PM CDT	Special Weather Statement	TSA	Cherokee	25 min
Aug 9, 5:30 PM CDT	Special Weather Statement	TSA	Muskogee	45 min

Nearby

Heat Advisories in Oklahoma, 2016 Heat Advisories in Arkansas, 2016 Every heat advisory in 2016

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.