Alert archive / Arkansas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 217, NWS Little Rock, AR

July 14, 2016Montgomery County, Pike County, Polk County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 14, 2016, 4:17 PM CDT for Montgomery County, Pike County, Polk County, Arkansas. It was in force for 43 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 14, 2016, 4:17 PM CDT (21:17 UTC)
Expired
Jul 14, 2016, 5:00 PM CDT
In force
43 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Montgomery County, AR, Pike County, AR, Polk County, AR

The radar

The Western Arkansas radar (KSRX), 110 km from the middle of the area, began a volume at 21:18 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.

IssuedProductOfficeLasted
Jul 14, 3:05 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 9.3 hours before the alert went out and 213 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-pSkew-T log-p diagram, Shreveport, LA at 12:00Z on 2016-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 645 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2016-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
645 J/kg
Mixed-layer CIN
-344 J/kg
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 14, 2:29 PM CDT, 1 hour 48 minutes earlier.

Area forecast discussion, Jul 14, 2:29 PM CDT, 1 hour 48 minutes before
Area Forecast Discussion
National Weather Service Little Rock AR
229 PM CDT THU JUL 14 2016

.SHORT TERM...Today Through Saturday
Immediate forecast concern is the MCS approaching the forecast
area from eastern Oklahoma. This convective system is expected to
continue to slide to the southeast...along a well defined
instability gradient...exiting the forecast area by 15/04z.
Recent output of CAM type models have converged towards this
solution. Near term forecasts account for the expected movement
of this system.

An additional complex is expected to form overnight to the west
of the initial system...and again move to the
southeast...affecting at least western sections after 15/06z.

Mid level lapse rates...and forcing along smaller scale boundaries will
provide support for convection during the rest of this period.
Conditions supporting organized convective complexes...as of those
supporting today's activity...are not expected. Any severe
thunderstorm activity will be limited to diurnally
enhanced...pulse type single cells.

&&

.LONG TERM...Saturday Night Through Thursday
If I could sum up the extended forecast in two words it would be
"ridge" and "hot". An upper level ridge will dominate through the
entire period and above normal temperatures will be the rule.
Afternoon max values could top out over 100 in some areas.

There will be some low precipitation chances toward the latter half
of the period as the center of the ridge settles in over the
mid plains.

&&

.PRELIMINARY POINT TEMPS/POPS...
Batesville AR     73  89  70  90 /  50  40  30  20
Camden AR         77  93  75  95 /  50  30  30  40
Harrison AR       69  86  69  87 /  50  40  30  40
Hot Springs AR    75  92  75  92 /  70  40  30  30
Little Rock   AR  76  92  74  92 /  60  40  30  30
Monticello AR     77  92  75  93 /  70  40  30  40
Mount Ida AR      73  91  72  91 /  70  50  30  30
Mountain Home AR  70  87  70  87 /  50  40  30  30
Newport AR        73  89  71  90 /  50  40  30  20
Pine Bluff AR     76  92  74  92 /  60  40  30  30
Russellville AR   74  91  74  91 /  70  50  30  30
Searcy AR         73  90  72  91 /  50  40  30  30
Stuttgart AR      75  91  73  92 /  50  40  30  30
&&

.LZK Watches/Warnings/Advisories...NONE.
&&

Short Term...55 / Long Term...53
Hazardous weather outlook, Jul 14, 3:40 AM CDT, 12 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
340 AM CDT THU JUL 14 2016

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-151000-
BOONE-MARION-BAXTER-FULTON-SHARP-NEWTON-SEARCY-STONE-IZARD-
INDEPENDENCE-JOHNSON-POPE-VAN BUREN-CLEBURNE-JACKSON-LOGAN-CONWAY-
FAULKNER-WHITE-WOODRUFF-SCOTT-YELL-PERRY-POLK-MONTGOMERY-GARLAND-
SALINE-PULASKI-LONOKE-PRAIRIE-MONROE-PIKE-CLARK-HOT SPRING-GRANT-
JEFFERSON-ARKANSAS-DALLAS-CLEVELAND-LINCOLN-DESHA-OUACHITA-
CALHOUN-BRADLEY-DREW-
340 AM CDT THU JUL 14 2016

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

.DAY ONE...TODAY AND TONIGHT

SOME THUNDERSTORMS WILL BE POSSIBLE THIS MORNING OVER WESTERN AND
SOUTHWEST SECTIONS OF THE AREA AS STORMS CURRENTLY ONGOING OVER
EASTERN OKLAHOMA DRIFT SOUTHEAST INTO ARKANSAS. THESE STORMS HAVE
BEEN OCCASIONALLY SEVERE IN OKLAHOMA...AND MAY CONTINUE TO SEE
SOME STRONG TO SEVERE WINDS WITH THESE STORMS AS THEY MOVE INTO
ARKANSAS. THERE COULD ALSO BE SOME LARGE HAIL WITH THIS ACTIVITY.

MORE THUNDERSTORMS ARE CURRENTLY DROPPING SOUTH ACROSS SOUTHERN
MISSOURI...AND WILL CONTINUE TO SEE POTENTIAL FOR SOME STRONG
THUNDERSTORMS THROUGH THIS MORNING ACROSS NORTHERN AND NORTHEAST
SECTIONS OF THE STATE.

LATE THIS MORNING INTO THE AFTERNOON HOURS...THUNDERSTORMS WILL
REMAIN POSSIBLE AS ADDITIONAL ACTIVITY DEVELOPS ON OUTFLOW
BOUNDARIES FROM THIS EARLY MORNING ACTIVITY. SOME STRONG TO SEVERE
STORMS COULD BE SEEN...WITH DAMAGING WINDS AND LARGE HAIL THE
PRIMARY THREATS. SOME LOCALLY HEAVY RAINFALL COULD ALSO BE SEEN
WITH ANY OF THE THUNDERSTORM ACTIVITY.

ADDITIONAL THUNDERSTORMS MAY DEVELOP LATE THIS EVENING INTO THE
OVERNIGHT PERIOD...WITH THE BEST POTENTIAL ACROSS THE NORTHERN
HALF OF THE STATE. SOME STRONG TO SEVERE STORMS COULD BE SEEN WITH
THIS ACTIVITY AS WELL...WITH DAMAGING WINDS AND LARGE HAIL THE
PRIMARY THREATS. AN ISOLATED FLASH FLOOD THREAT COULD ALSO BE
SEEN.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SOME THUNDERSTORMS WILL BE POSSIBLE THROUGHOUT THE DAY ON FRIDAY.
WHILE THE THREAT FOR WIDESPREAD SEVERE WEATHER IS LOW...SOME
ISOLATED STRONG TO SEVERE STORMS COULD BE SEEN.

CHANCES FOR RAINFALL DECREASE INTO EARLY NEXT WEEK AS HIGH
PRESSURE BUILDS ALOFT OVER THE CENTRAL UNITED STATES.
TEMPERATURES WILL THEN INCREASE WELL INTO THE 90S TO AROUND 100.
HEAT INDEX VALUES MAY INCREASE OVER 105 DEGREES DURING THIS SAME
PERIOD...WITH HEAT ADVISORIES POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THROUGH THIS EVENING.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV/LZK.

62/44

In the hours before

Local storm report, Jul 14, 4:04 PM CDT, 13 minutes before
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Local storm report, Jul 14, 4:06 PM CDT, 11 minutes before
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Local storm report, Jul 14, 4:11 PM CDT, 6 minutes before
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  <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 4:15 AM CDTSpecial Weather StatementLZKLogan, Scott45 min
Jul 14, 4:17 AM CDTSpecial Weather StatementLZKBaxter, Fulton, Marion43 min
Jul 14, 5:03 AM CDTSpecial Weather StatementLZKBaxter, Boone, Fulton, Izard, Marion57 min
Jul 14, 5:52 AM CDTSpecial Weather StatementLZKCleburne, Independence, Searcy, Stone, Van Buren53 min
Jul 14, 5:57 AM CDTSpecial Weather StatementLZKBoone48 min
Jul 14, 6:47 AM CDTSpecial Weather StatementLZKCleburne, Independence, Jackson, Van Buren58 min
Jul 14, 7:09 AM CDTSevere Thunderstorm WarningLZKConway, Van Buren51 min
Jul 14, 7:54 AM CDTSpecial Weather StatementLZKConway, Faulkner, Perry, Pulaski, Yell36 min
Jul 14, 7:59 AM CDTSpecial Weather StatementLZKWhite, Woodruff46 min
Jul 14, 9:36 AM CDTSpecial Weather StatementLZKArkansas, Jefferson, Lincoln39 min
Jul 14, 3:28 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan, Montgomery, Newton, Polk, Pope and 2 more62 min
Jul 14, 4:15 PM CDTSevere Thunderstorm WarningLZKGarland, Perry, Yell45 min
Jul 14, 4:29 PM CDTSevere Thunderstorm WarningLZKConway, Garland, Johnson, Logan, Montgomery, Perry and 4 more46 min
Jul 14, 4:59 PM CDTSevere Thunderstorm WarningLZKClark, Garland, Grant, Hot Spring, Montgomery, Pike and 1 more61 min
Jul 14, 5:09 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pulaski, Saline51 min
Jul 14, 5:17 PM CDTSpecial Weather StatementLZKPope43 min
Jul 14, 5:38 PM CDTTornado WarningLZKPulaski, Saline22 min
Jul 14, 5:53 PM CDTSevere Thunderstorm WarningLZKCleveland, Dallas, Garland, Grant, Hot Spring, Jefferson and 2 more67 min
Jul 14, 5:55 PM CDTSevere Thunderstorm WarningLZKClark, Dallas, Ouachita50 min
Jul 14, 5:56 PM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, Pulaski, Saline49 min
Jul 14, 6:26 PM CDTSpecial Weather StatementLZKFaulkner, White49 min
Jul 14, 6:30 PM CDTSevere Thunderstorm WarningLZKBradley, Calhoun, Cleveland, Dallas, Drew, Grant and 2 more45 min
Jul 14, 6:35 PM CDTSevere Thunderstorm WarningLZKBradley, Calhoun, Ouachita40 min
Jul 14, 6:47 PM CDTSevere Thunderstorm WarningLZKArkansas, Lonoke, Prairie, Pulaski43 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2016Every severe thunderstorm warning in 2016

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.