Alert archive / Arkansas / Flash Flood Warnings in 2015

Flash Flood Warning 98, NWS Little Rock, AR

August 7, 20154 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Aug 7, 2015, 6:15 AM CDT for 4 counties in Arkansas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 7, 2015, 6:15 AM CDT (11:15 UTC)
Expired
Aug 7, 2015, 8:15 AM CDT
In force
2 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Baxter County, AR, Fulton County, AR, Izard County, AR, Sharp County, AR

The radar

The Little Rock radar (KLZK), 159 km from the middle of the area, began a volume at 11:18 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 11.3 hours before the alert went out and 186 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 2015-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1150 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 2015-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
1150 J/kg
Mixed-layer CIN
-219 J/kg
Mixed-layer LCL
1190 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Aug 7, 2:47 AM CDT, 3 hours 28 minutes earlier.

Area forecast discussion, Aug 7, 2:47 AM CDT, 3 hours 28 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, Aug 7, 5:00 AM CDT, 1 hour 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT FRI AUG 7 2015

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-081000-
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-
500 AM CDT FRI AUG 7 2015

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

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY
AS AN UPPER LEVEL WEATHER SYSTEM MOVES THROUGH THE REGION. THE
MAIN AREAS IN ARKANSAS THAT WILL SEE RAIN WILL BE OVER THE
NORTHEAST. AN ISOLATED STRONG TO SEVERE STORM MAY BE SEEN...WITH
STRONG WINDS THE MAIN THREAT. ALSO TEMPERATURES WILL REACH THE MID
AND UPPER 90S THIS AFTERNOON...WITH A FEW 100 DEGREE READINGS
POSSIBLE...AND COMBINED WITH THE HIGH HUMIDITY...HEAT INDEX
VALUES WILL TOP 105 DEGREES IN MANY LOCATIONS. AN EXCESSIVE HEAT
WARNING AND HEAT ADVISORY ARE IN EFFECT FOR MUCH OF ARKANSAS
TODAY. EXTRA CAUTION SHOULD BE TAKEN TO MINIMIZE THE EFFECT OF THE
HIGH HEAT. ADDITIONALLY...DUE TO THE HOT AND DRY WEATHER OVER
CENTRAL AND SOUTHERN ARKANSAS...A MODERATE WILD FIRE DANGER IS
PRESENT AND SOME BURN BANDS ARE IN EFFECT FOR PARTS OF ARKANSAS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

RAIN CHANCES SATURDAY INTO NEXT WEEK WILL BE QUITE LOW. HOWEVER
HOT WEATHER CONDITIONS ARE EXPECTED THROUGH THE WEEKEND AND INTO
EARLY NEXT WEEK. HEAT INDEX VALUES WILL GENERALLY RANGE FROM 105
TO 115 DURING THE AFTERNOON AT MOST LOCATIONS. HEAD ADVISORIES AND
POSSIBLE EXCESSIVE HEAT WARNINGS WILL BE IN EFFECT FOR MUCH OF
ARKANSAS. EXTRA CAUTION SHOULD BE TAKEN TO MINIMIZE THE EFFECT OF
THE HIGH HEAT. ADDITIONALLY...DUE TO THE HOT AND DRY WEATHER OVER
CENTRAL AND SOUTHERN ARKANSAS...A MODERATE WILD FIRE DANGER IS
PRESENT AND SOME BURN BANDS ARE IN EFFECT FOR PARTS OF ARKANSAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY DUE TO THE ISOLATED
NATURE OF ANY SEVERE STORMS. 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

Special weather statement, Aug 7, 4:27 AM CDT, 1 hour 48 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, Aug 7, 5:11 AM 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>
Special weather statement, Aug 7, 5:32 AM CDT, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
532 AM CDT FRI AUG 7 2015

ARZ004>006-014-015-071115-
IZARD AR-MARION AR-BAXTER AR-STONE AR-FULTON AR-
532 AM CDT FRI AUG 7 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL MARION...
NORTHWESTERN IZARD...WESTERN FULTON...BAXTER AND NORTHERN STONE
COUNTIES UNTIL 615 AM CDT...

AT 531 AM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
NEAR PRICE PLACE...OR 11 MILES NORTH OF BULL SHOALS...MOVING
SOUTHEAST AT 40 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
MOUNTAIN HOME...BULL SHOALS...GASSVILLE...LAKEVIEW IN BAXTER
COUNTY...NORFORK...SALESVILLE...VIOLA...BRIARCLIFF...ARKAWANA...
RODNEY...SHIPP...GAMALIEL LANDING...OZARK REGIONAL AIRPORT...NORFORK
DAM...CULP...DIAMOND BAY...HERRON...COLFAX...FLINT SPRINGS AND
STURKIE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3648 9183 3606 9222 3649 9268 3650 9190
TIME...MOT...LOC 1031Z 315DEG 34KT 3655 9257

62
Special weather statement, Aug 7, 5:49 AM CDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
549 AM CDT FRI AUG 7 2015

ARZ003-004-071115-
BOONE AR-MARION AR-
549 AM CDT FRI AUG 7 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MARION AND BOONE
COUNTIES UNTIL 615 AM CDT...

AT 548 AM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
NEAR OMAHA...OR 8 MILES SOUTH OF BRANSON...MOVING SOUTHEAST AT 40
MPH.

NICKEL SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
HARRISON...DIAMOND CITY...BERGMAN...LEAD HILL...PYATT...VALLEY
SPRINGS...OMAHA...WININGTON...SELF...CRAWFORD...DODD CITY...ROBERSON
HOLLOW...MYRTLE...OLVEY...WILLIS...CLARK HILL...LAKEWAY...
BELLEFONTE...CRUMPLER SUBDIVISION AND ZINC.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3650 9280 3638 9263 3612 9298 3644 9329
      3650 9329
TIME...MOT...LOC 1048Z 310DEG 37KT 3653 9318

62
Special weather statement, Aug 7, 6:03 AM CDT, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
603 AM CDT FRI AUG 7 2015

ARZ006-007-015-016-071145-
IZARD AR-INDEPENDENCE AR-SHARP AR-FULTON AR-
603 AM CDT FRI AUG 7 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL INDEPENDENCE...
IZARD...SHARP AND FULTON COUNTIES UNTIL 645 AM CDT...

AT 600 AM CDT...DOPPLER RADAR WAS TRACKING AN AREA OF STRONG
THUNDERSTORMS OVER FULTON TO INDEPENDENCE COUNTIES AND AREAS TO THE
EAST...WITH THE STRONGEST STORM OVER BYRON...OR 9 MILES WEST OF
SALEM IN FULTON COUNTY...MOVING SOUTHEAST AT 45 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM...AS WELL
AS SMALL HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING. LOCALIZED
FLOODING OF LOW LYING AREAS AND PONDING OF WATER ON ROADWAYS WILL BE
SEEN.

LOCATIONS IMPACTED INCLUDE...
CHEROKEE VILLAGE...MELBOURNE...SALEM IN FULTON COUNTY...ASH FLAT...
HORSESHOE BEND...CAVE CITY...HIGHLAND IN SHARP COUNTY...MAMMOTH
SPRING...HARDY...OXFORD...MOUNT PLEASANT...VIOLA...PINEVILLE...
FRANKLIN...SIDNEY...BALLARD...BEXAR...MAMMOTH SPRING STATE PARK...
FLINT SPRINGS AND MYRON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3647 9136 3642 9135 3642 9131 3639 9131
      3637 9128 3633 9128 3633 9126 3624 9127
      3625 9133 3623 9135 3589 9136 3571 9140
      3613 9211 3650 9197 3650 9141
TIME...MOT...LOC 1100Z 296DEG 39KT 3635 9199

59

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 7:10 PM CDTSpecial Weather StatementLZKLincoln35 min
Aug 6, 7:15 PM CDTSpecial Weather StatementLZKPolk30 min
Aug 7, 4:27 AM CDTSpecial Weather StatementLZKFulton48 min
Aug 7, 5:11 AM CDTSpecial Weather StatementLZKFulton, Izard, Sharp49 min
Aug 7, 5:32 AM CDTSpecial Weather StatementLZKBaxter43 min
Aug 7, 5:49 AM CDTSpecial Weather StatementLZKBoone26 min
Aug 7, 6:03 AM CDTSpecial Weather StatementLZKFulton, Izard, Sharp42 min
Aug 7, 6:16 AM CDTSpecial Weather StatementLZKBaxter, Boone, Marion44 min
Aug 7, 6:37 AM CDTSpecial Weather StatementLZKIndependence, Jackson, Sharp38 min
Aug 7, 7:13 AM CDTSpecial Weather StatementLZKJackson, Woodruff47 min
Aug 7, 7:41 AM CDTSevere Thunderstorm WarningLZKJackson, White, Woodruff49 min
Aug 7, 7:56 AM CDTSevere Thunderstorm WarningLZKMonroe, Prairie, White, Woodruff49 min
Aug 7, 8:45 AM CDTSpecial Weather StatementLZKMonroe45 min
Aug 7, 2:36 PM CDTExcessive Heat WarningLZKArkansas, Pike, Prairie, White29 hr

Nearby

Flash Flood Warnings in Arkansas, 2015Every flash flood 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.