Alert archive / Arkansas / Flash Flood Warnings in 2014

Flash Flood Warning 31, NWS Little Rock, AR

July 8, 20146 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Jul 8, 2014, 7:11 PM CDT for 6 counties in Arkansas. It was in force for 109 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 8, 2014, 7:11 PM CDT (00:11 UTC)
Expired
Jul 8, 2014, 9:00 PM CDT
In force
109 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Conway County, AR, Faulkner County, AR, Perry County, AR, Pope County, AR, Van Buren County, AR, Yell County, AR

The radar

The Little Rock radar (KLZK), 67 km from the middle of the area, began a volume at 00:12 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, 0.2 hours before the alert went out and 205 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, Springfield, MO at 00:00Z on 2014-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 75 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, Springfield, MO at 00:00Z on 2014-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 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
75 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
1334 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
94 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 flash flood 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 flash flood warning went out at Jul 8, 6:48 PM CDT, 23 minutes earlier.

Area forecast discussion, Jul 8, 6:48 PM CDT, 23 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 8, 5:00 AM CDT, 14 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT TUE JUL 8 2014

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-091000-
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 TUE JUL 8 2014

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND A FEW THUNDERSTORMS IN THE NORTHERN HALF OF ARKANSAS
THIS MORNING WILL WEAKEN. THERE WILL BE A LULL INTO THE AFTERNOON
HOURS...AND THEN SCATTERED THUNDERSTORMS ARE EXPECTED TO REDEVELOP
IN THE NORTH.

THE NEW STORMS WILL LIKELY BUILD SLOWLY TOWARD CENTRAL AND SOUTHERN
SECTIONS OF THE STATE THROUGH THE EVENING HOURS AS A COLD FRONT
PUSHES INTO THE REGION FROM MISSOURI.

SOME STORMS WILL LIKELY BE SEVERE THIS AFTERNOON AND EVENING.
DAMAGING WINDS AND QUARTER SIZE HAIL OR LARGER WILL BE THE MAIN
CONCERNS.

THE STRONGEST STORMS WILL DROP LOCALLY HEAVY RAIN...WITH SOME SPOTS
PICKING UP MORE THAN AN INCH OF PRECIPITATION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE AFOREMENTIONED FRONT WILL PUSH INTO SOUTHERN ARKANSAS ON
WEDNESDAY...WITH COOLER AIR TO FOLLOW ACROSS THE NORTHERN COUNTIES.
FARTHER SOUTH...HIT AND MISS THUNDERSTORMS ARE IN THE FORECAST
SURROUNDING THE FRONT. AGAIN...A FEW STORMS COULD BE SEVERE.

MORE STORMS SHOULD POP UP ON THURSDAY...ESPECIALLY IN SOUTHERN AND
WESTERN SECTIONS OF THE STATE. ON FRIDAY...ANY STORMS WILL BECOME
MORE SPOTTY AS THE FRONT LIFTS TO THE NORTH.

A RIDGE OF HIGH PRESSURE WILL BUILD OVER THE AREA FROM THE SOUTHWEST
THIS WEEKEND. TEMPERATURES WILL BE ABOVE NORMAL...WITH AFTERNOON
HEAT INDEX VALUES AROUND 100 DEGREES IN ALL BUT THE OZARK MOUNTAINS
OF THE NORTHWEST.

IT APPEARS THE HEAT WILL BE TEMPORARY. HIGH PRESSURE WILL WEAKEN
EARLY NEXT WEEK...AND THAT WILL ALLOW ANOTHER COLD FRONT TO VISIT
FROM THE NORTH. COOLER CONDITIONS ARE EXPECTED BEHIND THE FRONT...
WITH BELOW NORMAL TEMPERATURES BEYOND MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING AS
SEVERE WEATHER BECOMES MORE LIKELY.

&&

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

46

In the hours before

Special weather statement, Jul 8, 3:37 PM CDT, 3 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
337 PM CDT TUE JUL 8 2014

ARZ003-012-082105-
BOONE AR-NEWTON AR-
337 PM CDT TUE JUL 8 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN BOONE AND NORTHEASTERN
NEWTON COUNTIES UNTIL 400 PM CDT...

AT 333 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 3 MILES SOUTH OF HARRISON...MOVING SOUTHEAST AT
10 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

* LOCATIONS IMPACTED INCLUDE...
  HARRISON...           VALLEY SPRINGS...     OLVEY...
  CAPPS...              GAITHER...            BELLEFONTE...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY...TURN AROUND DONT DROWN!

LAT...LON 3623 9291 3604 9302 3616 9327 3630 9315
TIME...MOT...LOC 2037Z 296DEG 7KT 3620 9313

226
Special weather statement, Jul 8, 3:50 PM CDT, 3 hours 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
350 PM CDT TUE JUL 8 2014

ARZ012-082115-
NEWTON AR-
350 PM CDT TUE JUL 8 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN NEWTON COUNTY UNTIL
415 PM CDT...

AT 348 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 4 MILES NORTHWEST OF LOST VALLEY SP...MOVING
SOUTHEAST AT 15 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

* LOCATIONS IMPACTED INCLUDE...
  LOST VALLEY SP...     JASPER...
  UPPER BUFFALO WILDERNESS AREA...            SWAIN...
  PONCA...              PARTHENON...          MT SHERMAN...
  MOSSVILLE...          LOW GAP...            COMPTON...
  BOXLEY...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY...TURN AROUND DONT DROWN!

LAT...LON 3599 9314 3582 9335 3596 9348 3600 9345
      3607 9345 3608 9348 3608 9349 3610 9349
      3613 9344 3613 9335
TIME...MOT...LOC 2050Z 315DEG 14KT 3606 9341

226
Local storm report, Jul 8, 5:25 PM CDT, 1 hour 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>
Special weather statement, Jul 8, 7:02 PM CDT, 9 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.

IssuedProductOfficeCountiesLasted
Jul 8, 7:02 PM CDTSpecial Weather StatementLZKFaulkner28 min
Jul 8, 7:13 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Yell47 min
Jul 8, 7:20 PM CDTSevere Thunderstorm WarningLZKFaulkner, Perry, Pulaski, White25 min
Jul 8, 7:50 PM CDTSevere Thunderstorm WarningLZKWhite25 min
Jul 8, 8:00 PM CDTSevere Thunderstorm WarningLZKGarland, Montgomery, Perry, Yell30 min
Jul 8, 8:03 PM CDTSpecial Weather StatementLZKLonoke32 min
Jul 8, 8:06 PM CDTSpecial Weather StatementLZKWoodruff14 min
Jul 8, 8:14 PM CDTSevere Thunderstorm WarningLZKWoodruff31 min
Jul 8, 9:57 PM CDTSpecial Weather StatementLZKHot Spring43 min
Jul 8, 10:07 PM CDTSpecial Weather StatementLZKPolk28 min
Jul 8, 10:48 PM CDTFlash Flood WarningLZKPolk, Scott3 hr
Jul 9, 2:00 AM CDTFlash Flood WarningLZKPolk, Scott3 hr
Jul 9, 5:55 AM CDTFlash Flood WarningLZKPolk4 hr
Jul 9, 9:29 AM CDTFlash Flood WarningLZKPolk2 hr

Nearby

Flash Flood Warnings in Arkansas, 2014Every flash flood warning in 2014

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.