Severe Thunderstorm Warning 459, NWS Norman, OK

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
140 PM CDT SAT JUN 23 2007

.DISCUSSION...
WEAK UPPER TROUGH WILL REMAIN IN FORECAST AREA INTO AT LEAST THE
MID PART OF NEXT WEEK. VERY WEAK FLOW ALOFT WITH AN UPPER RIDGE TO
THE WEST OF THE SOUTHERN PLAINS AND THE ESTABLISHED SUB-TROPICAL
HIGH OFF THE MID-ATLANTIC COAST WILL KEEP A VERY MOIST AIRMASS
OVER OK AND ADJACENT PARTS OF NORTH TX. HIGHER POPS ARE
CONCENTRATED OVER THE CENTRAL AND EASTERN PARTS OF OK AS THE UPPER
TROUGH AXIS WILL PROBABLY REMAIN NEARLY STATIONARY IN THIS
STAGNANT PATTERN. SHOWERS AND A FEW THUNDERSTORMS ARE EXPECTED TO
BE HEAVY RAINFALL PRODUCERS AS THEY HAVE BEEN THE LAST SEVERAL
DAYS. IN ADDITION TO A ROUND EACH AFTERNOON...ANY COMPLEX TO THE
NORTH OR WEST DURING THE NIGHT MAY BRING RAIN INTO NORTHERN OR
NORTHWEST OK, BUT THIS IS LESS CERTAIN. POPS CONTINUE EACH DAY
THROUGH NEXT SATURDAY. ALTHOUGH THE UPPER RIDGE IS FORECAST TO
MOVE SLOWLY EAST INTO THE KS-OK-NORTHERN TEXAS REGION,THERE WILL
LIKELY BE AMPLE MOISTURE FOR SHOWERS OR ENHANCED MOISTURE IF THE
GFS SUGGESTION OF A TROPICAL WAVE IN THE GULF MOVES CLOSE TO THE
TX COAST BY LATE WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  68  88  67  86 /  20  30  20  30
HOBART OK         68  89  68  89 /  20  10  10  20
WICHITA FALLS TX  69  89  69  88 /  20  20  20  30
GAGE OK           66  89  66  90 /  20  10  10  20
PONCA CITY OK     68  89  69  87 /  30  40  20  30
DURANT OK         69  87  69  86 /  30  30  20  30

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&

99/99

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1151 AM CDT SAT JUN 23 2007

OKZ004>048-050>052-TXZ083>090-241200-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
1151 AM CDT SAT JUN 23 2007

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THUNDERSTORM OUTLOOK...
ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF
OKLAHOMA AND WESTERN NORTH TEXAS THROUGH TONIGHT.

TIMING...
THE MOST LIKELY TIME FOR ANY SEVERE STORMS WILL BE FROM 2 PM TO 10
PM.

IMPACTS...
HAIL TO THE SIZE OF NICKELS AND 65 MPH WINDS WILL BE THE MAIN
CONCERN WITH ANY SEVERE STORMS. HOWEVER... VERY HEAVY RAINFALL THAT
COULD LEAD TO FLOODING WILL BE A CONCERN WITH ANY THUNDERSTORMS.

DISCUSSION...
SEVERAL MID AND UPPER LEVEL DISTURBANCES ARE ALREADY OVER THE REGION
OR WILL MOVE INTO THE REGION THIS AFTERNOON AND TONIGHT. THESE
DISTURBANCES AND HEATING WILL PROVIDE LIFT FOR ADDITIONAL SCATTERED
SHOWERS AND THUNDERSTORMS TO DEVELOP ACROSS THE AREA THIS AFTERNOON.
SEVERAL OUTFLOW BOUNDARIES FROM OVERNIGHT CONVECTION HAD MOVED INTO
THE AREA THIS MORNING... WITH ONE LOCATED OVER NORTHERN OKLAHOMA.
THE OTHER BOUNDARY WAS ACROSS PORTIONS OF SOUTHWEST OKLAHOMA AND
WESTERN NORTH TEXAS. ONE OR BOTH OF THE BOUNDARIES MAY BECOME A
FOCUS FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON. THE TROPICAL
AIRMASS ACROSS THE REGION WILL BE MODERATELY UNSTABLE THIS AFTERNOON
AND EVENING. DESPITE WEAK WIND SHEAR... THE MODERATE INSTABILITY MAY
BE SUFFICIENT FOR A FEW STORMS TO BECOME SEVERE THIS AFTERNOON AND
EVENING. ANY THUNDERSTORM WILL ALSO BE CAPABLE OF PRODUCING VERY
HEAVY RAINFALL. EVEN THOUGH SHOWERS AND THUNDERSTORMS WILL BE
POSSIBLE OVERNIGHT... THE COVERAGE OF SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO DECREASE WITH THE LOSS OF HEATING.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT SUNDAY JUN 24.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...90 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...20 PERCENT.

OTHER HAZARDOUS WEATHER...
VERY HEAVY RAIN FROM ANY THUNDERSTORMS WILL CONTINUE TO POSE A RISK
OF FLOODING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

THUNDERSTORM OUTLOOK...
THUNDERSTORMS WILL BE POSSIBLE THROUGH FRIDAY DUE TO AN UPPER LEVEL
DISTURBANCE REMAINING OVER THE REGION. THE POTENTIAL FOR SEVERE
THUNDERSTORMS WILL BE RELATIVELY LOW DURING THIS PERIOD.

OTHER HAZARDOUS WEATHER...
HEAVY RAINFALL WHICH MAY LEAD TO FLOODING WILL CONTINUE TO BE A
CONCERN THROUGH NEXT WEEK.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT  7 AM
SUNDAY.

MAXWELL

<!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>

<!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>

<!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>

<!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>

<!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>

<!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>