Alert archive / Arkansas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 270, NWS Little Rock, AR

July 3, 2015Desha County, Drew County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 3, 2015, 3:28 PM CDT for Desha County, Drew 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 counties it named.

The facts

Issued: Jul 3, 2015, 3:28 PM CDT (20:28 UTC)
Expired: Jul 3, 2015, 4:00 PM CDT
In force: 32 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Desha County, AR, Drew County, AR

The radar

The Little Rock radar (KLZK), 144 km from the middle of the area, began a volume at 20:31 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

Little Rock, AR (KBYH), launched 12:00Z, 8.5 hours before the alert went out and 188 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: 1171 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 937 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.7

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 3, 2:37 PM CDT, 51 minutes earlier.

Area forecast discussion, Jul 3, 2:37 PM CDT, 51 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 3, 5:00 AM CDT, 10 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT FRI JUL 3 2015

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-041000-
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-
500 AM CDT FRI JUL 3 2015

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

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP AND
MOVE SOUTHEAST ACROSS ARKANSAS. AN UPPER LEVEL WEATHER SYSTEM AND
FRONTAL BOUNDARY WILL COMBINE TO DEVELOP THE STORMS. AN ISOLATED
STRONG TO SEVERE STORM WILL BE POSSIBLE ACROSS MUCH OF THE STATE
WITH STRONG WINDS AND HAIL THE MAIN THREATS. HEAVY RAIN WILL ALSO
BE SEEN WITH LOCALIZED FLOODING POSSIBLE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

UPPER LEVEL NORTHWEST FLOW WILL BE OVER THE REGION THROUGH EARLY
NEXT WEEK...WHICH WILL BRING A SERIES OF UPPER LEVEL IMPULSES
ACROSS ARKANSAS. COMBINED WITH A WEAK FRONTAL BOUNDARY OVER THE
WEEKEND...AND SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS WILL BE
SEEN. AREAS OF HEAVY RAIN WILL ALSO BE POSSIBLE...WITH SOME
LOCATIONS RECEIVING 2 TO 4 INCHES. THE HEAVY RAIN MAY LEAD TO
LOCALIZED FLOODING AND ELEVATE SOME AREA RIVERS AND STREAMS. THE
MAIN AREA OF CONVECTION WILL GRADUALLY PUSH SOUTH INTO SUNDAY.
THERE WILL BE THE POTENTIAL FOR ISOLATED STRONG TO SEVERE STORMS
THROUGH THE WEEKEND. NEXT WEEK...RAIN CHANCES GRADUALLY LOWER
THROUGH THE WEEK AS UPPER HIGH PRESSURE BUILDS IN OVER THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED IF WIDESPREAD SEVERE STORMS
DEVELOP. ANY SEVERE STORM REPORTS ARE REQUESTED.

&&

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

59

In the hours before

Local storm report, Jul 3, 11:42 AM CDT, 3 hours 46 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 3, 12:57 PM CDT, 2 hours 31 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 3, 2:47 PM CDT, 41 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 3, 2:58 PM CDT, 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>

Special weather statement, Jul 3, 3:02 PM CDT, 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 7:26 PM CDT	Special Weather Statement	LZK	Baxter	44 min
Jul 2, 7:49 PM CDT	Special Weather Statement	LZK	Searcy	31 min
Jul 3, 5:43 AM CDT	Special Weather Statement	LZK	Logan, Scott	57 min
Jul 3, 6:42 AM CDT	Special Weather Statement	LZK	Logan, Scott	58 min
Jul 3, 9:27 AM CDT	River Flood Warning	LZK	Jackson, Woodruff	19 days
Jul 3, 10:36 AM CDT	Flash Flood Warning	LZK	Lonoke, Prairie, Pulaski, White	3 hr
Jul 3, 10:51 AM CDT	Flash Flood Warning	LZK	Independence, Jackson	3 hr
Jul 3, 2:19 PM CDT	Severe Thunderstorm Warning	LZK	Fulton	41 min
Jul 3, 2:47 PM CDT	Special Weather Statement	LZK	Pulaski	43 min
Jul 3, 2:47 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun	43 min
Jul 3, 2:58 PM CDT	Special Weather Statement	LZK	Drew	32 min
Jul 3, 3:02 PM CDT	Special Weather Statement	LZK	Fulton	43 min
Jul 3, 3:17 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Izard, Sharp	24 min
Jul 3, 3:18 PM CDT	Severe Thunderstorm Warning	LZK	Desha, Drew	27 min
Jul 3, 3:30 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Drew	45 min
Jul 3, 3:40 PM CDT	Special Weather Statement	LZK	Bradley	30 min
Jul 3, 3:44 PM CDT	Severe Thunderstorm Warning	LZK	Desha	16 min
Jul 3, 3:56 PM CDT	Special Weather Statement	LZK	Drew	29 min
Jul 3, 3:58 PM CDT	Special Weather Statement	LZK	Desha	32 min
Jul 3, 6:48 PM CDT	Special Weather Statement	LZK	Cleburne	47 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2015 Every severe thunderstorm warning in 2015

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.