Alert archive / Arkansas / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

June 15, 2012Polk County, Arkansas

NWS Tulsa, OK issued this special weather statement at Jun 15, 2012, 5:54 PM CDT for Polk County, Arkansas. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 15, 2012, 5:54 PM CDT (22:54 UTC)
Expired: Jun 15, 2012, 6:30 PM CDT
In force: 36 min
Issued by: NWS Tulsa, OK

County Polk County, AR

The radar

The Western Arkansas radar (KSRX), 83 km from the middle of the area, began a volume at 22:56 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

Shreveport, LA (KSHV), launched 12:00Z, 10.9 hours before the alert went out and 244 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2084 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 741 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 15, 3:07 PM CDT, 2 hours 47 minutes earlier.

Area forecast discussion, Jun 15, 3:07 PM CDT, 2 hours 47 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, Jun 15, 5:01 PM CDT, 53 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
501 PM CDT FRI JUN 15 2012

ARZ001-002-010-011-019-020-029-OKZ049-053>076-161000-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
500 PM CDT FRI JUN 15 2012

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

DISCUSSION...
ONGOING SCATTERED THUNDERSTORM ACTIVITY ACROSS A PORTION OF THE
AREA WILL CONTINUE THROUGH THE EVENING HOURS. STORMS MAY BRIEFLY
BECOME STRONG TO SEVERE. LARGE HAIL AND GUSTY WINDS WOULD BE THE
PRIMARY THREATS.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
SATURDAY...THUNDERSTORM POTENTIAL.
SUNDAY...THUNDERSTORM POTENTIAL.
MONDAY THROUGH THURSDAY...NO HAZARDS.

EXTENDED DISCUSSION...
CONDITIONS APPEAR FAVORABLE FOR ANOTHER LARGE THUNDERSTORM
COMPLEX TO PASS NEAR OR THROUGH PORTIONS OF EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS SATURDAY NIGHT AND SUNDAY. DRIER CONDITIONS
LOOK TO DEVELOP FOR THE FIRST HALF OF NEXT WEEK AS A RIDGE OF HIGH
PRESSURE SETS UP OVER THE SOUTHERN PLAINS.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Special weather statement, Jun 15, 5:54 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
554 PM CDT FRI JUN 15 2012

OKZ076-152330-
LE FLORE OK-
554 PM CDT FRI JUN 15 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 630 PM CDT
FOR THE FOLLOWING COUNTY...

IN SOUTHEAST OKLAHOMA
     SOUTHEASTERN LE FLORE

AT 554 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 11 MILES SOUTHEAST
OF BIG CEDAR...MOVING NORTH AT 10 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...BIG CEDAR.

THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS OF 40 TO 50 MPH.

LAT...LON 3450 9468 3465 9467 3467 9467 3467 9445
      3454 9445 3451 9446 3450 9447
TIME...MOT...LOC 2254Z 185DEG 11KT 3450 9457

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 1:02 AM CDT	Special Weather Statement	TSA	Pawnee	43 min
Jun 15, 1:46 AM CDT	Special Weather Statement	TSA	Osage, Pawnee	44 min
Jun 15, 2:11 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	49 min
Jun 15, 2:18 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	57 min
Jun 15, 2:30 AM CDT	Special Weather Statement	TSA	Creek, Nowata, Tulsa, Washington	60 min
Jun 15, 3:00 AM CDT	Special Weather Statement	TSA	Craig, Nowata	45 min
Jun 15, 3:28 AM CDT	Special Weather Statement	TSA	Creek, Mayes, Okfuskee, Okmulgee, Rogers, Tulsa and 1 more	62 min
Jun 15, 3:43 AM CDT	Special Weather Statement	TSA	Craig, Ottawa	47 min
Jun 15, 4:25 AM CDT	Special Weather Statement	TSA	Craig, Delaware, Mayes, Muskogee, Okfuskee, Okmulgee and 2 more	65 min
Jun 15, 5:26 AM CDT	Special Weather Statement	TSA	Pittsburg	64 min
Jun 15, 5:46 AM CDT	Special Weather Statement	TSA	Adair	59 min
Jun 15, 6:32 AM CDT	Special Weather Statement	TSA	Pittsburg	28 min
Jun 15, 6:47 AM CDT	Special Weather Statement	TSA	Sequoyah	43 min
Jun 15, 8:00 AM CDT	Special Weather Statement	TSA	Wagoner	45 min
Jun 15, 8:45 AM CDT	Special Weather Statement	TSA	Wagoner	30 min
Jun 15, 6:28 PM CDT	Special Weather Statement	TSA	LeFlore	32 min

Nearby

Special Weather Statements in Arkansas, 2012 Every special weather statement in 2012

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.