Alert archive / Oklahoma / Areal Flood Advisories in 2021

Areal Flood Advisory 75, NWS Tulsa, OK

July 1, 2021McIntosh County, Muskogee County, Oklahoma

NWS Tulsa, OK issued this areal flood advisory at Jul 1, 2021, 10:57 AM CDT for McIntosh County, Muskogee County, Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 1, 2021, 10:57 AM CDT (15:57 UTC)
Expired
Jul 1, 2021, 2:00 PM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties McIntosh County, OK, Muskogee County, OK

The radar

The Tulsa radar (KINX), 76 km from the middle of the area, began a volume at 15:55 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, 4.0 hours before the alert went out and 220 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, Springfield, MO at 12:00Z on 2021-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 789 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, Springfield, MO at 12:00Z on 2021-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
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, 10:35 AM CDT, 22 minutes earlier.

Area forecast discussion, Jul 1, 10:35 AM CDT, 22 minutes before
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Hazardous weather outlook, Jul 1, 4:41 AM CDT, 6 hours 16 minutes before
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<html lang="en">
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  <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.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 9:43 PM CDTSpecial Weather StatementTSATulsa47 min
Jun 30, 10:20 PM CDTAreal Flood AdvisoryTSACreek, Tulsa115 min
Jul 1, 5:02 AM CDTAreal Flood AdvisoryTSACraig, Delaware, Ottawa3 hr
Jul 1, 5:50 AM CDTFlash Flood WarningTSACraig, Delaware4 hr
Jul 1, 7:14 AM CDTAreal Flood AdvisoryTSACreek, Osage, Pawnee, Tulsa, Wagoner3 hr
Jul 1, 7:24 AM CDTAreal Flood AdvisoryTSACraig, Delaware, Mayes, Rogers3 hr
Jul 1, 8:06 AM CDTAreal Flood AdvisoryTSAOsage, Rogers, Tulsa, Wagoner, Washington3 hr
Jul 1, 8:16 AM CDTAreal Flood AdvisoryTSAMuskogee, Wagoner3 hr
Jul 1, 8:27 AM CDTAreal Flood AdvisoryTSAAdair, Cherokee3 hr
Jul 1, 9:30 AM CDTFlash Flood WarningTSATulsa, Wagoner4 hr
Jul 1, 10:40 AM CDTFlash Flood WarningTSAWagoner3 hr
Jul 1, 11:40 AM CDTAreal Flood AdvisoryTSAOsage, Pawnee3 hr
Jul 1, 12:02 PM CDTAreal Flood AdvisoryTSACreek, Okfuskee, Okmulgee3 hr
Jul 1, 12:59 PM CDTAreal Flood AdvisoryTSAMcIntosh, Muskogee, Okmulgee3 hr
Jul 1, 1:42 PM CDTAreal Flood WarningTSAWagoner3 hr
Jul 1, 1:51 PM CDTAreal Flood WarningTSATulsa, Wagoner3 hr
Jul 1, 2:16 PM CDTRiver Flood AdvisoryTSATulsa4 hr
Jul 1, 2:32 PM CDTRiver Flood AdvisoryTSAMuskogee4 hr
Jul 1, 5:43 PM CDTRiver Flood WarningTSAOsage, Tulsa8 hr
Jul 1, 5:50 PM CDTRiver Flood WarningTSATulsa14 hr
Jul 1, 6:07 PM CDTRiver Flood WarningTSAMuskogee8 hr

Nearby

Areal Flood Advisories in Oklahoma, 2021Every 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.