Alert archive / Oklahoma / Mesoscale Discussions in 2006

Mesoscale Discussion 802

May 9, 200610 counties in Kansas; 12 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 9, 2006, 1:13 AM CDT for 10 counties in Kansas; 12 counties in Oklahoma. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
May 9, 2006, 1:13 AM CDT (06:13 UTC)
Expired
May 9, 2006, 2:45 AM CDT
In force
92 min
Issued by
the Storm Prediction Center
All 22 counties

Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Alfalfa County, OK, Craig County, OK, Grant County, OK, Kay County, OK, Mayes County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 111 km from the middle of the area, began a volume at 06:16 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.2 hours before the alert went out and 208 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 00:00Z on 2006-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 424 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 00:00Z on 2006-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.19395878Sfc1 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
424 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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>

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 7:47 PM CDTMesoscale DiscussionSPCBarton, Brown, Clay, Cloud, Ellis, Gray and 15 more58 min
May 8, 10:59 PM CDTMesoscale DiscussionSPCAtchison, Barber, Barton, Brown, Butler, Chase and 50 more91 min
May 8, 11:40 PM CDTSevere Thunderstorm WatchSPCBarber, Comanche, Edwards, Harper, Harvey, Kingman and 7 more5 hr
May 9, 4:24 AM CDTSevere Thunderstorm WatchSPCChautauqua, Cherokee, Elk, Labette, Montgomery4 hr
May 9, 4:46 PM CDTMesoscale DiscussionSPCCherokee, Labette, Montgomery89 min
May 9, 4:56 PM CDTMesoscale DiscussionSPCClark, Comanche, Meade, Seward2 hr
May 9, 3:45 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Cleveland, Coal and 24 more2 hr
May 9, 4:04 PM CDTTornado WatchSPCAtoka, Bryan, Choctaw, Coal, Haskell, Hughes and 12 more7 hr
May 9, 5:07 PM CDTTornado WatchSPCAdair, Cherokee, Creek, Delaware, Mayes, Muskogee and 5 more6 hr
May 9, 6:01 PM CDTSevere Thunderstorm WatchSPCBeaver, Beckham, Custer, Dewey, Ellis, Greer and 8 more7 hr
May 9, 6:30 PM CDTMesoscale DiscussionSPCAdair, Atoka, Bryan, Cherokee, Choctaw, Coal and 17 more90 min

Nearby

Mesoscale Discussions in Oklahoma, 2006Mesoscale Discussions in Kansas, 2006Every mesoscale discussion in 2006

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.