Alert archive / Arkansas / Flash Flood Warnings in 2015

Flash Flood Warning 21, NWS Little Rock, AR

May 10, 201510 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at May 10, 2015, 8:55 PM CDT for 10 counties in Arkansas. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 10, 2015, 8:55 PM CDT (01:55 UTC)
Expired
May 11, 2015, 12:00 AM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Garland County, AR, Johnson County, AR, Logan County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Polk County, AR, Pope County, AR, Scott County, AR, Yell County, AR

The radar

The Western Arkansas radar (KSRX), 69 km from the middle of the area, began a volume at 01:57 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.

What was reported inside it

TimeReportWhereRemark
May 10, 9:40 PM CDTFLASH FLOODCherry Hill, ARHIGHWAY 88 IS FLOODED ALONG WITH SEVERAL COUNTY ROADS IN EASTERN POLK COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.9 hours before the alert went out and 185 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 2015-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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 2015-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 square meters per square second.19395878Sfc1 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
66 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

804 
WGUS54 KLZK 110155
FFWLZK
ARC051-071-083-097-101-105-113-115-127-149-110500-
/O.NEW.KLZK.FF.W.0021.150511T0155Z-150511T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
855 PM CDT SUN MAY 10 2015

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JOHNSON COUNTY IN WESTERN ARKANSAS...
  LOGAN COUNTY IN WESTERN ARKANSAS...
  NORTHEASTERN POLK COUNTY IN WESTERN ARKANSAS...
  NORTHERN MONTGOMERY COUNTY IN WESTERN ARKANSAS...
  NORTHWESTERN GARLAND COUNTY IN CENTRAL ARKANSAS...
  SCOTT COUNTY IN WESTERN ARKANSAS...
  SOUTHERN NEWTON COUNTY IN NORTH CENTRAL ARKANSAS...
  WESTERN PERRY COUNTY IN CENTRAL ARKANSAS...
  WESTERN POPE COUNTY IN CENTRAL ARKANSAS...
  YELL COUNTY IN CENTRAL ARKANSAS...

* UNTIL MIDNIGHT CDT

* AT 850 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  ANOTHER AREA OF HEAVY RAIN FALLING OVER THE WARNED AREA. VERY 
  HEAVY RAIN HAS FALLEN OVER PARTS OF THE WARNED AREA OVER THE PAST 
  SEVERAL DAYS AND WITH ADDITIONAL HEAVY RAIN EXPECTED EXPECTED 
  THROUGH THE LATE EVENING...FLASH FLOODING IS LIKELY TO OCCUR. WHILE
  PRECIPITATION MAY TAPER OFF IN SOME AREAS DURING THE WARNING 
  PERIOD...IT WILL TAKE SOME TIME FOR ANY HIGH WATER TO RUNOFF.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  WALDRON...            RUSSELLVILLE...       PARIS...
  MT IDA...             DANVILLE...           CLARKSVILLE...
  BOONEVILLE...         WOODLAND...           WALNUT...
  UPPER BUFFALO WILDERNESS AREA...            TOKALON...
  TARAL...              SUBIACO...           
  STONEHOUSE REC AREA...                      SPADRA...
  SCRANTON...           ROSETTA...            POTTSVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND... DONT DROWN!

&&

LAT...LON 3515 9411 3515 9404 3532 9387 3532 9381
      3539 9379 3538 9371 3575 9370 3577 9353
      3588 9353 3596 9342 3591 9296 3512 9300
      3511 9304 3507 9299 3495 9297 3467 9323
      3456 9338 3451 9395 3497 9424 3507 9425

$$

59

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:57 PM CDTSpecial Weather StatementLZKScott28 min
May 10, 8:07 PM CDTSpecial Weather StatementLZKPolk28 min
May 10, 8:23 PM CDTSevere Thunderstorm WarningLZKPolk37 min
May 10, 9:00 PM CDTSpecial Weather StatementLZKYell30 min
May 10, 9:19 PM CDTRiver Flood WarningLZKPerry35 days
May 10, 9:26 PM CDTRiver Flood WarningLZKConway, Perry5 days
May 10, 9:26 PM CDTRiver Flood WarningLZKFaulkner, Perry4 days
May 10, 9:37 PM CDTSpecial Weather StatementLZKMontgomery28 min
May 10, 9:54 PM CDTTornado WarningLZKMontgomery, Polk, Scott, Yell36 min
May 10, 10:27 PM CDTSevere Thunderstorm WarningLZKYell33 min
May 10, 10:31 PM CDTSevere Thunderstorm WarningLZKPope, Van Buren33 min
May 10, 10:35 PM CDTSevere Thunderstorm WarningLZKMontgomery, Polk, Scott40 min
May 10, 11:10 PM CDTSevere Thunderstorm WarningLZKLogan, Montgomery, Polk, Scott, Yell50 min
May 10, 11:29 PM CDTSpecial Weather StatementLZKPike31 min
May 10, 11:30 PM CDTSpecial Weather StatementLZKVan Buren45 min
May 10, 11:59 PM CDTFlash Flood WarningLZKJohnson, Logan, Montgomery, Newton, Polk, Pope and 3 more3 hr
May 11, 12:59 AM CDTSpecial Weather StatementLZKCleburne, Faulkner, Lonoke, Pulaski, White46 min
May 11, 2:03 AM CDTRiver Flood WarningLZKYell35 hr
May 11, 2:19 AM CDTFlash Flood WarningLZKClark, Montgomery, Pike3 hr
May 11, 3:02 AM CDTSpecial Weather StatementLZKFaulkner, Lonoke, Pulaski, White43 min
May 11, 3:06 AM CDTFlash Flood WarningLZKClark, Faulkner, Garland, Grant, Hot Spring, Perry and 2 more3 hr
May 11, 3:53 AM CDTSpecial Weather StatementLZKJefferson, Lincoln47 min
May 11, 8:28 AM CDTFlash Flood WarningLZKHot Spring6 hr
May 11, 8:43 AM CDTRiver Flood WarningLZKClark, Hot Spring68 hr
May 11, 8:46 AM CDTRiver Flood WarningLZKClark, Nevada, Ouachita3 days
May 11, 8:48 AM CDTRiver Flood WarningLZKSaline49 hr
May 11, 9:41 AM CDTFlash Flood WarningLZKHot Spring6 hr
May 11, 10:34 AM CDTRiver Flood WarningLZKIndependence, Jackson, Lawrence18 days
May 11, 10:37 AM CDTRiver Flood WarningLZKIndependence68 hr
May 11, 11:08 AM CDTRiver Flood WarningLZKArkansas, Desha, Lincoln5 days
May 11, 11:17 AM CDTRiver Flood WarningLZKSearcy35 hr
May 11, 3:40 PM CDTFlash Flood WarningLZKHot Spring2 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.