Alert archive / Arkansas / Flash Flood Warnings in 2015

Flash Flood Warning 67, NWS Little Rock, AR

July 3, 2015Independence County, Jackson County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jul 3, 2015, 10:51 AM CDT for Independence County, Jackson County, Arkansas. It was in force for 3 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: Jul 3, 2015, 10:51 AM CDT (15:51 UTC)
Expired: Jul 3, 2015, 2:00 PM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Independence County, AR, Jackson County, AR

The radar

The Little Rock radar (KLZK), 122 km from the middle of the area, began a volume at 15:51 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, 3.9 hours before the alert went out and 161 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 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 3, 10:42 AM CDT, 9 minutes earlier.

Area forecast discussion, Jul 3, 10:42 AM CDT, 9 minutes before

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Hazardous weather outlook, Jul 3, 5:00 AM CDT, 5 hours 51 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

Special weather statement, Jul 3, 5:43 AM CDT, 5 hours 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
543 AM CDT FRI JUL 3 2015

ARZ030-037-038-031140-
LOGAN AR-SCOTT AR-YELL AR-
543 AM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN YELL...SCOTT AND SOUTHERN
LOGAN COUNTIES UNTIL 645 AM CDT...

AT 539 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF MODERATE TO STRONG THUNDERSTORMS...AROUND
MANSFIELD...NEAR HUNTINGTON...MOVING EAST AT 25 MPH.

SMALL HAIL AROUND PEA SIZE AND WIND GUSTS UP TO 35 MPH ARE EXPECTED
WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS
LIGHTNING. LOCALIZED FLOODING OF LOW LYING AREAS AND PONDING OF
WATER ON ROADWAYS WILL BE SEE.

* LOCATIONS IMPACTED INCLUDE...
  WALDRON...            BOONEVILLE...
  STONEHOUSE REC AREA...                      OLIVER...
  MT MAGAZINE...        MORGAN SPRINGS...     MANSFIELD...
  MAGAZINE...           LAKE HINKLE...        ECHO...
  COVE LAKE...          CARDIFF...            BLUE MTN LAKE...
  WINFIELD...           WAVELAND...           UNION HILL...
  SUGAR GROVE...        PARKS...

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

VERY HEAVY 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 3496 9441 3496 9429 3497 9424 3505 9423
      3507 9425 3511 9415 3515 9414 3515 9404
      3519 9403 3528 9343 3469 9390 3490 9445
TIME...MOT...LOC 1040Z 281DEG 20KT 3505 9419

59

Special weather statement, Jul 3, 6:42 AM CDT, 4 hours 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
642 AM CDT FRI JUL 3 2015

ARZ030-037-038-040-041-031240-
LOGAN AR-MONTGOMERY AR-POLK AR-SCOTT AR-YELL AR-
642 AM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN YELL...SCOTT...
NORTHEASTERN POLK...NORTHWESTERN MONTGOMERY AND SOUTHERN LOGAN
COUNTIES UNTIL 745 AM CDT...

AT 637 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF MODERATE TO STRONG THUNDERSTORMS...OVER SCOTT AND LOGAN
COUNTIES...WITH THE STRONGEST STORM 3 MILES NORTH OF WALDRON...
MOVING EAST AT 20 MPH.

SMALL HAIL AROUND PEA SIZE AND WIND GUSTS UP TO 35 MPH ARE EXPECTED
WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS
LIGHTNING. LOCALIZED FLOODING OF LOW LYING AREAS AND PONDING OF
WATER ON ROADWAYS WILL BE SEE WITH THE HEAVY RAIN.

* LOCATIONS IMPACTED INCLUDE...
  WALDRON...            BOONEVILLE...
  STONEHOUSE REC AREA...                      OLIVER...
  ODEN...               MT MAGAZINE...        MORGAN SPRINGS...
  MAGAZINE...           LAKE HINKLE...        GRAVELLY...
  ECHO...               COVE LAKE...          CARDIFF...
  BLUE MTN LAKE...      BEAUCHAMP...          Y CITY...
  WINFIELD...           WAVELAND...

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

VERY HEAVY 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 3496 9436 3496 9429 3497 9424 3505 9423
      3515 9408 3515 9404 3519 9402 3530 9338
      3457 9379 3489 9446
TIME...MOT...LOC 1140Z 288DEG 16KT 3493 9406

59

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, 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, 3:28 PM CDT	Severe Thunderstorm Warning	LZK	Desha, Drew	32 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

Flash Flood Warnings in Arkansas, 2015 Every 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.