Alert archive / Oklahoma / Frost Advisories in 2011

Frost Advisory 5, NWS Norman, OK

November 9, 201116 counties in Oklahoma; 8 counties in Texas

NWS Norman, OK issued this frost advisory at Nov 9, 2011, 3:46 AM CST for 16 counties in Oklahoma; 8 counties in Texas. It took effect at Nov 10, 2011, 1:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Nov 9, 2011, 3:46 AM CST (09:46 UTC)
In effect from: Nov 10, 2011, 1:00 AM CST
Expired: Nov 10, 2011, 9:00 AM CST
In force: 8 hr
Issued by: NWS Norman, OK

All 24 counties

Atoka County, OK, Bryan County, OK, Carter County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Pontotoc County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 104 km from the middle of the area, began a volume at 09:49 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.

What forecasters said that day

The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this frost advisory went out at Nov 8, 5:20 PM CST, 10 hours 26 minutes earlier.

Area forecast discussion, Nov 8, 5:20 PM CST, 10 hours 26 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, Nov 8, 11:13 AM CST, 16 hours 33 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1113 AM CST TUE NOV 8 2011

OKZ004>048-050>052-TXZ083>090-091100-
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-
1113 AM CST TUE NOV 8 2011

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

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

THUNDERSTORM OUTLOOK...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE THROUGH EARLY EVENING ACROSS
PORTIONS OF NORTHERN AND SOUTHEAST OKLAHOMA. NO SEVERE STORMS ARE
EXPECTED.

DISCUSSION...
A STRONG UPPER LEVEL STORM SYSTEM TRACKING ACROSS THE SOUTHERN
PLAINS TODAY WILL CONTINUE TO PROVIDE LIFT FOR ISOLATED
THUNDERSTORMS ACROSS PORTIONS OF OKLAHOMA. THE STRONGEST OF THESE
STORMS MAY PRODUCE SMALL HAIL BUT THE LACK OF STRONG INSTABILITY
WILL PREVENT SEVERE STORMS FROM DEVELOPING. THE CHANCES FOR
THUNDERSTORMS DIMINISH LATE THIS AFTERNOON AND EVENING AS THE UPPER
SYSTEM MOVES NORTHEAST OF THE AREA.

PROBABILITY TABLE...
VALID THROUGH 700 AM CST WEDNESDAY NOV 9.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...40 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...10 PERCENT.

OTHER HAZARDOUS WEATHER...
AREAS OF FROST WILL BE POSSIBLE LATE TONIGHT AND EARLY WEDNESDAY
MORNING ACROSS PARTS OF CENTRAL... WESTERN AND NORTHERN OKLAHOMA.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

THUNDERSTORM OUTLOOK...
THE NEXT CHANCE FOR THUNDERSTORMS WILL BE ON SUNDAY.

OTHER HAZARDOUS WEATHER...
WIDESPREAD FROST IS EXPECTED THURSDAY MORNING.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY 5 AM
WEDNESDAY.

MAXWELL

Nearby

Frost Advisories in Oklahoma, 2011 Frost Advisories in Texas, 2011 Every frost advisory in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.