Alert archive / Arkansas / Special Weather Statements in 2017

Special Weather Statement, NWS Tulsa, OK

July 7, 2017Benton County, Arkansas

NWS Tulsa, OK issued this special weather statement at Jul 7, 2017, 10:43 PM CDT for Benton County, Arkansas. It was in force for 32 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: Jul 7, 2017, 10:43 PM CDT (03:43 UTC)
Expired: Jul 7, 2017, 11:15 PM CDT
In force: 32 min
Issued by: NWS Tulsa, OK

County Benton County, AR

The radar

The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 03:42 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

Springfield, MO (KSGF), launched 00:00Z, 3.7 hours before the alert went out and 90 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: 1004 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 1929 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!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 Jul 7, 9:31 PM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jul 7, 9:31 PM CDT, 1 hour 12 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, Jul 7, 5:10 PM CDT, 5 hours 33 minutes before

Hazardous Weather Outlook
National Weather Service Tulsa OK
510 PM CDT Fri Jul 7 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-081000-
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-
510 PM CDT Fri Jul 7 2017

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...Tonight.

SEVERE THUNDERSTORM.
	RISK...Limited.
	AREA...Northeast Oklahoma and Northwest Arkansas.
	ONSET...Ongoing.

HEAVY RAIN.
	RISK...Limited.
	AREA...Northeast Oklahoma and Northwest Arkansas.
	ONSET...Ongoing.

DANGEROUS HEAT.
	RISK...Elevated.
	AREA...Much of Eastern Oklahoam and Western Arkansas.
	ONSET...Ongoing.

DISCUSSION...
Scattered thunderstorms have developed across parts of far
northeast Oklahoma late this afternoon ahead of a cold front
moving south across southern Kansas. Scattered storm development
may continue through the night as the cold front moves south into
the area. A few of these storms may become severe, especially
early this evening, with gusty winds and hail up to quarter size
the main concern. The slow movement of storms will also result in
locally heavy rainfall.

Heat index values near or above 100 degrees will continue to be
possible across much of the area until sunset.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
SATURDAY and SUNDAY...Thunderstorm Potential.
MONDAY through WEDNESDAY...No Hazards.
THURSDAY...Thunderstorm Potential.

EXTENDED DISCUSSION...
Showers and thunderstorms will continue to be possible on Saturday
as the cold front moves through the region. Thunderstorms will
also be possible Saturday night into Sunday as a thunderstorm
complex is forecast to move out of Kansas and across the area.
Thunderstorm chances diminish early next week as high pressure
prevails. This will result in hotter temperatures across the
region.

weather.gov/tulsa contains additional information.

In the hours before

Special weather statement, Jul 7, 5:29 PM CDT, 5 hours 14 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>

Local storm report, Jul 7, 6:33 PM CDT, 4 hours 10 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>

Special weather statement, Jul 7, 8:58 PM CDT, 1 hour 45 minutes before

Special Weather Statement
National Weather Service Tulsa OK
858 PM CDT FRI JUL 7 2017

OKZ057-062-063-080245-
Craig OK-Delaware OK-Mayes OK-
858 PM CDT FRI JUL 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CRAIG...NORTHWESTERN
DELAWARE AND NORTHEASTERN MAYES COUNTIES UNTIL 945 PM CDT...

At 858 PM CDT, a strong thunderstorm was located near Big Cabin,
moving southeast at 10 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations in or near the path include...
Vinita...                         Langley...
Adair...                          Ketchum...
Spavinaw...                       Disney...
Big Cabin...                      Pensacola...
Hoot Owl...                       Cherokee State Park...
Spavinaw State Park...            Cleora...
Chloeta...                        White Oak...
Strang...

This includes Interstate 44 between mile markers 268 and 286.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3658 9487 3631 9503 3650 9543 3651 9542
      3651 9533 3658 9533 3668 9521
TIME...MOT...LOC 0158Z 298DEG 10KT 3657 9519

Special weather statement, Jul 7, 10:10 PM CDT, 33 minutes before

Special Weather Statement
National Weather Service Tulsa OK
1010 PM CDT FRI JUL 7 2017

OKZ062-080400-
Mayes OK-
1010 PM CDT FRI JUL 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MAYES COUNTY UNTIL 1100
PM CDT...

At 1010 PM CDT, a strong thunderstorm was located 5 miles northeast
of Pryor, moving southeast at 10 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

Locations in or near the path include...
Pryor...                          Pryor Creek...
Locust Grove...                   Salina...
Hoot Owl...                       Sportsmen Acres Community...
Snowdale State Park...

LAT...LON 3626 9500 3625 9501 3624 9501 3612 9522
      3635 9537 3646 9519
TIME...MOT...LOC 0310Z 322DEG 7KT 3635 9523

Special weather statement, Jul 7, 10:43 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Tulsa OK
1043 PM CDT FRI JUL 7 2017

ARZ001-080415-
Benton AR-
1043 PM CDT FRI JUL 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BENTON COUNTY UNTIL
1115 PM CDT...

At 1043 PM CDT, a strong thunderstorm was located 4 miles west of
Decatur, moving southeast at 35 mph.

Dime size hail will be possible with this storm.

Locations in or near the path include...
Rogers...                         Bentonville...
Siloam Springs...                 Lowell...
Gentry...                         Gravette...
Cave Springs...                   Decatur...
Highfill...                       Springtown...
Centerton...                      Fairmount...
Vaughn...                         Healing Springs...
Gallitin...                       Rocky Comfort...
Cherokee City...

This includes Interstate 49 between mile markers 78 and 82.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3628 9409 3621 9422 3622 9433 3615 9434
      3614 9439 3611 9439 3611 9440 3622 9457
      3640 9460 3645 9457
TIME...MOT...LOC 0343Z 299DEG 30KT 3634 9454

Lacy

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:58 PM CDT	Special Weather Statement	TSA	Mayes	47 min
Jul 7, 10:10 PM CDT	Special Weather Statement	TSA	Mayes	50 min
Jul 8, 12:25 AM CDT	Special Weather Statement	TSA	Ottawa	35 min
Jul 8, 12:57 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	48 min
Jul 8, 1:27 AM CDT	Severe Thunderstorm Warning	TSA	Delaware	33 min
Jul 8, 1:43 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware	29 min
Jul 8, 2:21 AM CDT	Special Weather Statement	TSA	Delaware	24 min
Jul 8, 3:38 AM CDT	Areal Flood Advisory	TSA	Delaware	3 hr
Jul 8, 3:50 AM CDT	Special Weather Statement	TSA	Delaware	40 min
Jul 8, 4:30 AM CDT	Areal Flood Advisory	TSA	Sequoyah	3 hr
Jul 8, 7:28 AM CDT	Special Weather Statement	TSA	Washington	47 min
Jul 8, 7:54 AM CDT	Special Weather Statement	TSA	Mayes, Rogers, Tulsa, Wagoner	51 min
Jul 8, 10:01 AM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	3 hr
Jul 8, 12:08 AM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison	37 min
Jul 8, 12:36 AM CDT	Severe Thunderstorm Warning	TSA	Carroll, Madison	54 min
Jul 8, 12:47 AM CDT	Special Weather Statement	TSA	Benton	43 min
Jul 8, 1:00 AM CDT	Areal Flood Advisory	TSA	Benton, Carroll, Madison	4 hr
Jul 8, 1:02 AM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison	28 min
Jul 8, 2:00 AM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison, Washington	45 min
Jul 8, 2:27 AM CDT	Severe Thunderstorm Warning	TSA	Madison, Washington	33 min
Jul 8, 2:56 AM CDT	Special Weather Statement	TSA	Franklin	34 min
Jul 8, 4:04 AM CDT	Special Weather Statement	TSA	Sebastian	41 min
Jul 8, 5:09 AM CDT	Special Weather Statement	TSA	Sebastian	21 min
Jul 8, 6:14 AM CDT	Special Weather Statement	TSA	Sebastian	46 min
Jul 8, 6:34 AM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	41 min
Jul 8, 7:14 AM CDT	Special Weather Statement	TSA	Sebastian	31 min
Jul 8, 7:16 AM CDT	Special Weather Statement	TSA	Crawford	59 min

Nearby

Special Weather Statements in Arkansas, 2017 Every special weather statement in 2017

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.