Alert archive / Oklahoma / Excessive Heat Warnings in 2020

Excessive Heat Warning 2, NWS Tulsa, OK

July 2, 202014 counties in Oklahoma

NWS Tulsa, OK issued this excessive heat warning at Jul 2, 2020, 10:18 AM CDT for 14 counties in Oklahoma. It was in force for 10 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
Jul 2, 2020, 10:18 AM CDT (15:18 UTC)
Expired
Jul 2, 2020, 8:00 PM CDT
In force
10 hr
Issued by
NWS Tulsa, OK

Counties Craig County, OK, Creek County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 40 km from the middle of the area, began a volume at 15:18 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

Norman, OK (KOUN), launched 12:00Z, 3.3 hours before the alert went out and 177 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 2020-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2396 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 2020-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
2396 J/kg
Mixed-layer CIN
-200 J/kg
Mixed-layer LCL
1062 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
13 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 excessive heat warning 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 excessive heat warning went out at Jul 2, 6:11 AM CDT, 4 hours 7 minutes earlier.

Area forecast discussion, Jul 2, 6:11 AM CDT, 4 hours 7 minutes before
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Hazardous weather outlook, Jul 2, 4:46 AM CDT, 5 hours 32 minutes before
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<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.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 10:20 AM CDTSpecial Weather StatementTSAOsage40 min
Jul 2, 10:47 AM CDTSpecial Weather StatementTSAOsage28 min
Jul 2, 11:10 AM CDTSpecial Weather StatementTSAOsage35 min
Jul 2, 11:16 AM CDTSevere Thunderstorm WarningTSAOsage44 min
Jul 2, 11:25 AM CDTSpecial Weather StatementTSAOsage35 min
Jul 2, 11:43 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee62 min
Jul 2, 11:53 AM CDTSevere Thunderstorm WarningTSAOsage52 min
Jul 2, 12:16 PM CDTSpecial Weather StatementTSAPawnee59 min
Jul 2, 12:41 PM CDTSpecial Weather StatementTSACreek34 min
Jul 2, 12:58 PM CDTSpecial Weather StatementTSATulsa47 min
Jul 2, 1:12 PM CDTSpecial Weather StatementTSACreek, Okmulgee33 min
Jul 2, 1:42 PM CDTSevere Thunderstorm WarningTSACreek, Okmulgee, Rogers, Tulsa, Wagoner48 min
Jul 2, 1:43 PM CDTSpecial Weather StatementTSACreek32 min
Jul 2, 2:12 PM CDTSpecial Weather StatementTSAOkfuskee33 min
Jul 2, 2:19 PM CDTSpecial Weather StatementTSAOkmulgee, Wagoner26 min
Jul 2, 2:41 PM CDTSpecial Weather StatementTSAOkfuskee, Okmulgee34 min
Jul 2, 2:50 PM CDTSpecial Weather StatementTSAAdair25 min
Jul 2, 3:15 PM CDTSpecial Weather StatementTSAMcIntosh30 min
Jul 2, 3:50 PM CDTSpecial Weather StatementTSAPittsburg25 min
Jul 2, 4:16 PM CDTSpecial Weather StatementTSAWashington29 min
Jul 2, 6:32 PM CDTSpecial Weather StatementTSAFranklin28 min
Jul 2, 6:48 PM CDTSpecial Weather StatementTSAMadison, Washington27 min
Jul 2, 6:58 PM CDTSpecial Weather StatementTSASebastian32 min

Nearby

Excessive Heat Warnings in Oklahoma, 2020Excessive Heat Warnings in Arkansas, 2020Every excessive heat warning in 2020

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.