Alert archive / Arkansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 334, NWS Little Rock, AR

July 23, 2013Boone County, Marion County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 23, 2013, 6:41 PM CDT for Boone County, Marion County, Arkansas. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 23, 2013, 6:41 PM CDT (23:41 UTC)
Expired: Jul 23, 2013, 7:15 PM CDT
In force: 34 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Boone County, AR, Marion County, AR

The radar

The Springfield radar (KSGF), 115 km from the middle of the area, began a volume at 23:45 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 23, 3:02 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.7 hours before the alert went out and 106 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: 1279 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 1415 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 271 m²/s²
0-3 km storm-relative helicity: 287 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 23, 6:40 PM CDT, 1 minute earlier.

Area forecast discussion, Jul 23, 6:40 PM CDT, 1 minute 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 23, 2:20 PM CDT, 4 hours 21 minutes before

HAZARDOUS WEATHER OUTLOOK..UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
220 PM CDT TUE JUL 23 2013

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-241000-
ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND-
CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING-
INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE-
MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE-
PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE-
WOODRUFF-YELL-
220 PM CDT TUE JUL 23 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON AS THE AREA REMAINS IN A VERY WARM AND UNSTABLE AIRMASS.
SOME OF THE STORMS WILL BR STRONG WITH LARGE HAIL AND GUSTY WINDS
THE PRIMARY CONCERN BUT ORGANIZED SEVERE WEATHER IS NOT EXPECTED.

WHERE RAIN DOES NOT OCCUR...TEMPERATURES WILL TOP OUT IN THE 90S
THIS AFTERNOON. HUMIDITY LEVELS WILL BE HIGH ENOUGH TO CREATE HEAT
INDEX VALUES FROM 100 TO 104 DEGREES IN CENTRAL AND SOUTHERN
SECTIONS OF THE STATE.

A COLD FRONT WILL PUSH INTO THE AREA FROM THE NORTH TONIGHT. THE
FRONT IS EXPECTED TO TRIGGER ANOTHER ROUND OF THUNDERSTORMS ACROSS
THE NORTHERN AND CENTRAL COUNTIES. AREAS OF HEAVY RAIN ARE
ANTICIPATED...AND THERE COULD BE SOME SEVERE WEATHER. STRONG TO
DAMAGING WINDS AND HAIL ARE THE MAIN CONCERN.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE AFOREMENTIONED FRONT WILL SLIDE INTO SOUTHERN ARKANSAS ON
WEDNESDAY BEFORE STALLING. THE FRONT WILL BE FOLLOWED BY SLIGHTLY
COOLER AND DRIER AIR ACROSS THE NORTHEAST HALF OF THE STATE.

ALONG AND NORTH OF THE FRONT...SMALL CHANCES FOR THUNDERSTORMS
ARE IN THE FORECAST WEDNESDAY AND THURSDAY.

IT WILL BECOME MORE ACTIVE FRIDAY INTO SATURDAY AS A NEW COLD
FRONT ARRIVES FROM THE PLAINS. AHEAD OF THE FRONT...A LARGE CLUSTER
OF SHOWERS AND THUNDERSTORMS SHOULD BUILD FROM KANSAS AND OKLAHOMA
INTO ARKANSAS. SEVERE WEATHER AND HEAVY RAIN ARE EXPECTED MAINLY
FROM LITTLE ROCK NORTHWARD...WITH HIT AND MISS STORMS FARTHER
SOUTH.

THE NEW FRONT WILL BE FOLLOWED BY BELOW NORMAL TEMPERATURES DURING
THE UPCOMING WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY...BUT MAY BE NEEDED
TONIGHT AS A COLD FRONT PUSHES INTO THE STATE FROM THE NORTH.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND
CLICK ON CENTRAL ARKANSAS.

46/56

In the hours before

Local storm report, Jul 23, 4:46 PM CDT, 1 hour 55 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 23, 4:49 PM CDT, 1 hour 52 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 23, 5:11 PM CDT, 1 hour 30 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 23, 5:22 PM CDT, 1 hour 19 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 23, 5:37 PM CDT, 1 hour 4 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 23, 6:04 PM CDT, 37 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>

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 22, 7:12 PM CDT	Special Weather Statement	LZK	Bradley	43 min
Jul 23, 3:35 AM CDT	Special Weather Statement	LZK	Jackson	45 min
Jul 23, 4:55 AM CDT	Flash Flood Warning	LZK	Jackson, Woodruff	2 hr
Jul 23, 12:14 PM CDT	Special Weather Statement	LZK	Pulaski	46 min
Jul 23, 12:30 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Pulaski, Saline	45 min
Jul 23, 1:21 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski, Saline	39 min
Jul 23, 1:45 PM CDT	Special Weather Statement	LZK	Searcy	45 min
Jul 23, 1:56 PM CDT	Special Weather Statement	LZK	Garland, Saline	44 min
Jul 23, 1:59 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Grant, Hot Spring, Saline	46 min
Jul 23, 2:06 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Grant, Hot Spring, Jefferson, Montgomery, Perry and 2 more	39 min
Jul 23, 2:36 PM CDT	Special Weather Statement	LZK	Van Buren	44 min
Jul 23, 2:39 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton, Marion	51 min
Jul 23, 2:44 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Grant, Hot Spring, Saline	46 min
Jul 23, 2:48 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Van Buren	42 min
Jul 23, 2:53 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Newton, Pope, Searcy, Van Buren	52 min
Jul 23, 3:13 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Montgomery, Perry	32 min
Jul 23, 3:20 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Stone, Van Buren	25 min
Jul 23, 3:27 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton	33 min
Jul 23, 3:28 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Garland, Grant, Hot Spring	47 min
Jul 23, 3:36 PM CDT	Special Weather Statement	LZK	Scott	44 min
Jul 23, 3:38 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Dallas, Grant, Jefferson	52 min
Jul 23, 3:39 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Yell	36 min
Jul 23, 3:44 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Pope, Van Buren	31 min
Jul 23, 3:54 PM CDT	Flash Flood Warning	LZK	Garland, Hot Spring	2 hr
Jul 23, 3:54 PM CDT	Special Weather Statement	LZK	Stone	46 min
Jul 23, 3:56 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Izard, Stone	49 min
Jul 23, 4:06 PM CDT	Severe Thunderstorm Warning	LZK	Izard, Sharp, Stone	39 min
Jul 23, 4:07 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Izard, Stone	38 min
Jul 23, 4:07 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Van Buren	23 min
Jul 23, 4:09 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Perry, Saline	51 min
Jul 23, 4:15 PM CDT	Flash Flood Warning	LZK	Baxter, Fulton	105 min
Jul 23, 4:20 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Pope	25 min
Jul 23, 4:21 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Dallas	39 min
Jul 23, 4:27 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Pope, Saline, Yell	48 min
Jul 23, 4:30 PM CDT	Severe Thunderstorm Warning	LZK	Scott, Yell	30 min
Jul 23, 4:36 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery	24 min
Jul 23, 4:36 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry	24 min
Jul 23, 4:39 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Izard, Stone	51 min
Jul 23, 4:46 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Pulaski, Saline	29 min
Jul 23, 4:53 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton	52 min
Jul 23, 4:56 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Montgomery, Scott, Yell	34 min
Jul 23, 4:58 PM CDT	Flash Flood Warning	LZK	Garland, Perry, Saline, Yell	3 hr
Jul 23, 5:05 PM CDT	Flash Flood Warning	LZK	Baxter, Fulton, Independence, Izard, Sharp, Stone	3 hr
Jul 23, 5:12 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Sharp	33 min
Jul 23, 5:12 PM CDT	Severe Thunderstorm Warning	LZK	Faulkner, Lonoke, Pulaski, Saline	48 min
Jul 23, 5:14 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Pope, Yell	46 min
Jul 23, 5:25 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Pike	50 min
Jul 23, 5:37 PM CDT	Special Weather Statement	LZK	Marion	43 min
Jul 23, 5:44 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Hot Spring	31 min
Jul 23, 5:54 PM CDT	Flash Flood Warning	LZK	Baxter, Fulton, Marion	3 hr
Jul 23, 5:58 PM CDT	Flash Flood Warning	LZK	Garland, Hot Spring, Montgomery, Yell	3 hr
Jul 23, 6:13 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Pike	47 min
Jul 23, 6:34 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Yell	41 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2013 Every severe thunderstorm warning in 2013

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.