Alert archive / Arkansas / Flash Flood Warnings in 2015

Flash Flood Warning 90, NWS Little Rock, AR

July 15, 20154 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Jul 15, 2015, 6:36 PM CDT for 4 counties in 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 15, 2015, 6:36 PM CDT (23:36 UTC)
Expired
Jul 15, 2015, 9:30 PM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Cleburne County, AR, Independence County, AR, Izard County, AR, Stone County, AR

The radar

The Little Rock radar (KLZK), 113 km from the middle of the area, began a volume at 23:40 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 12:00Z, 11.6 hours before the alert went out and 208 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 12:00Z on 2015-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3572 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 12:00Z on 2015-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
3572 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
894 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

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 15, 3:12 PM CDT, 3 hours 24 minutes earlier.

Area forecast discussion, Jul 15, 3:12 PM CDT, 3 hours 24 minutes before
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Hazardous weather outlook, Jul 15, 5:00 PM CDT, 1 hour 36 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATE
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 PM CDT WED JUL 15 2015

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-161000-
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 PM CDT WED JUL 15 2015

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

.DAY ONE...THIS EVENING AND TONIGHT

HOT AND HUMID CONDITIONS WILL CONTINUE ACROSS MUCH OF THE REGION.
HEAT INDEX VALUES WILL BE OVER 100 DEGREES STATEWIDE...WITH A HEAT
ADVISORY IN EFFECT.

WITH THE HEAT AND HUMIDITY...SCATTERED THUNDERSTORMS WILL BE
POSSIBLE DURING THE AFTERNOON TO EVENING HOURS. WHILE WIDESPREAD
SEVERE WEATHER IS NOT EXPECTED...ISOLATED STRONG TO SEVERE STORMS
WILL BE SEEN. ANY STORM THAT DEVELOPS COULD PRODUCE DAMAGING
WINDS...HAIL AND VERY HEAVY RAIN. LOCALIZED FLOODING WILL ALSO BE
POSSIBLE WITH THE STORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

HEAT AND HUMIDITY WILL REMAIN IN THE FORECAST...WITH HEAT ADVISORIES
CONTINUING AND ISOLATED THUNDERSTORMS POSSIBLE IN THE AFTERNOON
HOURS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED DUE TO THE ISOLATED NATURE OF
THE CONVECTION. HOWEVER...ALL REPORTS ARE APPRECIATED.

&&

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

58/59

In the hours before

Special weather statement, Jul 15, 5:30 PM CDT, 1 hour 6 minutes before
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Special weather statement, Jul 15, 5:51 PM CDT, 45 minutes before
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Special weather statement, Jul 15, 5:51 PM CDT, 45 minutes before
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Local storm report, Jul 15, 5:55 PM CDT, 41 minutes before
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Special weather statement, Jul 15, 6:28 PM CDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
628 PM CDT WED JUL 15 2015

ARZ039-043-044-160015-
SALINE AR-PERRY AR-PULASKI AR-
628 PM CDT WED JUL 15 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN PULASKI...NORTH
CENTRAL SALINE AND SOUTHEASTERN PERRY COUNTIES UNTIL 715 PM CDT...

AT 628 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
WYE MOUNTAIN...OR 11 MILES SOUTHEAST OF PERRYVILLE...MOVING SOUTHWEST
AT 10 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
WYE MOUNTAIN...WILLIAMS JUNCTION...ANTIOCH IN PERRY COUNTY...
THORNBURG...LONG MOUNTAIN...REFORM...PARON AND OAK GROVE IN PERRY
COUNTY.

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.

&&

LAT...LON 3497 9273 3488 9252 3467 9278 3491 9294
TIME...MOT...LOC 2328Z 061DEG 10KT 3488 9268

224
Special weather statement, Jul 15, 6:29 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
629 PM CDT WED JUL 15 2015

ARZ003-004-012-013-160015-
SEARCY AR-BOONE AR-NEWTON AR-MARION AR-
629 PM CDT WED JUL 15 2015

...SPECIAL WEATHER STATEMENT THROUGH 715 PM CDT...

AT 627 PM CDT...DOPPLER RADAR WAS TRACKING AN AREA OF STRONG
THUNDERSTORMS OVER SOUTHEAST BOONE COUNTY AND AREAS TO THE
SOUTHEAST...WITH THE STRONGEST STORM OVER CRAWFORD...OR 11 MILES
EAST OF HARRISON...MOVING SOUTHEAST AT 15 MPH.

SMALL HAIL FROM PEA TO HALF INCH HAIL AND WINDS IN EXCESS OF 30 MPH
WILL BE POSSIBLE WITH THIS STORM. 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. SEEK A SAFE SHELTER
INSIDE A BUILDING OR VEHICLE.

LOCATIONS IMPACTED INCLUDE...
HARRISON...YELLVILLE...WESTERN GROVE...PYATT...VALLEY SPRINGS...
DUGGER...RUSH...CRAWFORD...DUFF...OLVEY...MARSENA...CLARK HILL...
POINT PETER...MAUMEE...DODD CITY...SUMMIT...BELLEFONTE...EVERTON...
ST. JOE AND PINDALL.

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.

&&

LAT...LON 3614 9247 3586 9278 3618 9320 3637 9287
TIME...MOT...LOC 2327Z 313DEG 11KT 3619 9292

59

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 2:50 AM CDTHeat AdvisoryLZKPike64 hr
Jul 15, 2:39 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, White36 min
Jul 15, 2:47 PM CDTSevere Thunderstorm WarningLZKArkansas28 min
Jul 15, 2:56 PM CDTSevere Thunderstorm WarningLZKVan Buren34 min
Jul 15, 3:14 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, White31 min
Jul 15, 3:15 PM CDTSevere Thunderstorm WarningLZKArkansas, Monroe30 min
Jul 15, 3:24 PM CDTSevere Thunderstorm WarningLZKArkansas, Lonoke, Monroe, Prairie36 min
Jul 15, 3:28 PM CDTFlash Flood WarningLZKLonoke, Prairie, White3 hr
Jul 15, 3:38 PM CDTSevere Thunderstorm WarningLZKPope, Searcy, Van Buren37 min
Jul 15, 3:47 PM CDTSpecial Weather StatementLZKWhite43 min
Jul 15, 3:50 PM CDTSpecial Weather StatementLZKLonoke25 min
Jul 15, 3:57 PM CDTFlash Flood WarningLZKVan Buren3 hr
Jul 15, 4:00 PM CDTFlash Flood WarningLZKArkansas, Lonoke, Monroe, Prairie3 hr
Jul 15, 4:07 PM CDTSpecial Weather StatementLZKMonroe53 min
Jul 15, 4:11 PM CDTSevere Thunderstorm WarningLZKNewton, Pope, Searcy, Van Buren34 min
Jul 15, 4:31 PM CDTSevere Thunderstorm WarningLZKArkansas, Jefferson29 min
Jul 15, 4:34 PM CDTSpecial Weather StatementLZKLonoke56 min
Jul 15, 4:42 PM CDTSevere Thunderstorm WarningLZKCleburne, Faulkner, White23 min
Jul 15, 4:44 PM CDTFlash Flood WarningLZKCleburne, Faulkner, White3 hr
Jul 15, 4:49 PM CDTSevere Thunderstorm WarningLZKLonoke, Pulaski26 min
Jul 15, 4:52 PM CDTSevere Thunderstorm WarningLZKJohnson, Newton, Pope, Searcy23 min
Jul 15, 4:58 PM CDTSpecial Weather StatementLZKJefferson, Lincoln62 min
Jul 15, 5:01 PM CDTSevere Thunderstorm WarningLZKBaxter, Fulton, Izard, Marion44 min
Jul 15, 5:14 PM CDTFlash Flood WarningLZKLonoke, Pulaski3 hr
Jul 15, 5:16 PM CDTSpecial Weather StatementLZKPulaski29 min
Jul 15, 5:30 PM CDTSpecial Weather StatementLZKWhite60 min
Jul 15, 5:51 PM CDTSpecial Weather StatementLZKCleburne, Izard, Stone54 min
Jul 15, 6:00 PM CDTSevere Thunderstorm WarningLZKBaxter, Izard, Stone30 min
Jul 15, 6:12 PM CDTFlash Flood WarningLZKPulaski, Saline3 hr
Jul 15, 6:28 PM CDTSpecial Weather StatementLZKSaline47 min
Jul 15, 6:29 PM CDTSpecial Weather StatementLZKMarion46 min
Jul 15, 6:53 PM CDTSpecial Weather StatementLZKSaline37 min

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.