Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 21, NWS Little Rock, AR

March 30, 20165 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Mar 30, 2016, 6:32 PM CDT for 5 counties in Arkansas. It was in force for 6 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: Mar 30, 2016, 6:32 PM CDT (23:32 UTC)
Expired: Mar 31, 2016, 12:30 AM CDT
In force: 6 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Independence County, AR, Jackson County, AR, Prairie County, AR, White County, AR, Woodruff County, AR

The radar

The Little Rock radar (KLZK), 94 km from the middle of the area, began a volume at 23:32 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

Time	Report	Where	Remark
Mar 30, 7:45 PM CDT	FLASH FLOOD	Judsonia, AR	SEVERE STREET FLOODING WAS REPORTED...WITH NUMEROUS ROADS CLOSED.

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

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 11.5 hours before the alert went out and 143 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: 26 J/kg
Mixed-layer CIN: -551 J/kg
Mixed-layer LCL: 938 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

568 
WGUS54 KLZK 302332
FFWLZK
ARC063-067-117-145-147-310230-
/O.NEW.KLZK.FF.W.0021.160330T2332Z-160331T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
632 PM CDT WED MAR 30 2016

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN EASTERN ARKANSAS...
  WOODRUFF COUNTY IN EASTERN ARKANSAS...
  SOUTHEASTERN INDEPENDENCE COUNTY IN NORTH CENTRAL ARKANSAS...
  EASTERN WHITE COUNTY IN CENTRAL ARKANSAS...
  NORTHERN PRAIRIE COUNTY IN CENTRAL ARKANSAS...

* UNTIL 930 PM CDT
    
* AT 631 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS LIKELY TO OCCUR.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SEARCY...              NEWPORT...             AUGUSTA...
  BALD KNOB...           JUDSONIA...            TUCKERMAN...
  KENSETT...             DIAZ...                SWIFTON...
  HIGGINSON...           PATTERSON...           GRUBBS...
  RUSSELL...             JACKSONPORT...         WEST POINT...
  TUPELO...              HUNTER...              ALGOA...
  PRYOR...               MCFADDEN...            

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW! ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3503 9167 3503 9188 3589 9116 3589 9104
      3501 9104

$$

224

1 follow-up statement

675 
WGUS54 KLZK 310221
FFWLZK
ARC063-067-117-145-147-310530-
/O.EXT.KLZK.FF.W.0021.000000T0000Z-160331T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
921 PM CDT WED MAR 30 2016

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN EASTERN ARKANSAS...
  WOODRUFF COUNTY IN EASTERN ARKANSAS...
  SOUTHEASTERN INDEPENDENCE COUNTY IN NORTH CENTRAL ARKANSAS...
  EASTERN WHITE COUNTY IN CENTRAL ARKANSAS...
  NORTHERN PRAIRIE COUNTY IN CENTRAL ARKANSAS...

* UNTIL 1230 AM CDT
    
* AT 919 PM CDT...DOPPLER RADAR AND RAIN GAUGES HAVE INDICATED
  SEVERAL ROUNDS OF THUNDERSTORMS HAVE PRODUCED HEAVY RAIN ACROSS
  THE WARNED AREA. THREE TO FOUR INCHES OF RAIN HAVE FALLEN. FLASH
  FLOODING IS ONGOING AND WILL CONTINUE FOR SEVERAL HOURS...WITH
  ADDITIONAL RAINFALL EXPECTED. NUMEROUS ROADWAYS HAVE BECOME WATER
  COVERED AND ARE IMPASSABLE.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SEARCY...              NEWPORT...             AUGUSTA...
  BALD KNOB...           JUDSONIA...            TUCKERMAN...
  KENSETT...             DIAZ...                SWIFTON...
  HIGGINSON...           PATTERSON...           GRUBBS...
  RUSSELL...             JACKSONPORT...         WEST POINT...
  TUPELO...              HUNTER...              ALGOA...
  PRYOR...               MCFADDEN...            

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO ARE POSSIBLE IN THE WARNED
AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW! ACT QUICKLY TO PROTECT YOUR LIFE.

REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
ARROYOS...STREAMS...AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.

&&

LAT...LON 3503 9167 3503 9188 3589 9116 3589 9104
      3501 9104

$$

224

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 9:42 AM CDT	River Flood Warning	LZK	Clark, Hot Spring	69 hr
Mar 30, 9:42 AM CDT	River Flood Warning	LZK	Calhoun, Ouachita	6 days
Mar 30, 9:43 AM CDT	River Flood Warning	LZK	Saline	62 hr
Mar 30, 9:46 AM CDT	River Flood Warning	LZK	Independence, Jackson, Lawrence	9 days
Mar 30, 10:42 AM CDT	River Flood Warning	LZK	White	50 hr
Mar 30, 10:52 AM CDT	River Flood Warning	LZK	Jackson, Woodruff	17 days
Mar 30, 11:18 AM CDT	Special Weather Statement	LZK	Johnson	42 min
Mar 30, 11:27 AM CDT	Special Weather Statement	LZK	Logan	48 min
Mar 30, 11:36 AM CDT	Special Weather Statement	LZK	Stone	39 min
Mar 30, 12:10 PM CDT	Special Weather Statement	LZK	Dallas	50 min
Mar 30, 12:27 PM CDT	Special Weather Statement	LZK	Pulaski	48 min
Mar 30, 12:35 PM CDT	Special Weather Statement	LZK	Hot Spring	40 min
Mar 30, 12:42 PM CDT	Special Weather Statement	LZK	Pulaski	48 min
Mar 30, 1:15 PM CDT	Special Weather Statement	LZK	Conway	45 min
Mar 30, 1:41 PM CDT	Special Weather Statement	LZK	Cleburne	49 min
Mar 30, 2:27 PM CDT	Flash Flood Warning	LZK	Pulaski, Saline	3 hr
Mar 30, 2:57 PM CDT	Special Weather Statement	LZK	Lonoke, White	48 min
Mar 30, 3:04 PM CDT	Severe Thunderstorm Warning	LZK	Polk, Scott	13 min
Mar 30, 3:48 PM CDT	Flash Flood Warning	LZK	Faulkner, Pulaski	3 hr
Mar 30, 4:47 PM CDT	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Stone, Van Buren	3 hr
Mar 30, 5:14 PM CDT	Special Weather Statement	LZK	Dallas, Ouachita	46 min
Mar 30, 5:17 PM CDT	Flash Flood Warning	LZK	Garland, Grant, Hot Spring, Pulaski, Saline	3 hr
Mar 30, 5:20 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Grant, Hot Spring, Saline	40 min
Mar 30, 5:21 PM CDT	Flash Flood Warning	LZK	Clark, Garland, Hot Spring, Pike	6 hr
Mar 30, 5:26 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Dallas, Grant, Hot Spring, Ouachita	29 min
Mar 30, 5:30 PM CDT	Flash Flood Warning	LZK	Faulkner, Pulaski, Saline	3 hr
Mar 30, 5:34 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Grant, Hot Spring	26 min
Mar 30, 5:37 PM CDT	Flash Flood Warning	LZK	Cleburne, Faulkner, Independence, Izard, Jackson, Lonoke and 4 more	3 hr
Mar 30, 5:51 PM CDT	Severe Thunderstorm Warning	LZK	Faulkner, Pulaski, Saline	12 min
Mar 30, 5:54 PM CDT	Tornado Warning	LZK	Dallas, Grant	36 min
Mar 30, 6:12 PM CDT	Special Weather Statement	LZK	Jackson	48 min
Mar 30, 6:18 PM CDT	Tornado Warning	LZK	Cleveland, Jefferson	42 min
Mar 30, 6:26 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Hot Spring, Jefferson, Pulaski, Saline	49 min
Mar 30, 6:53 PM CDT	Severe Thunderstorm Warning	LZK	Drew	37 min
Mar 30, 6:56 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Jefferson	49 min

Nearby

Flash Flood Warnings in Arkansas, 2016 Every flash flood warning in 2016

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.