Alert archive / Arkansas / Flash Flood Warnings in 2017

Flash Flood Warning 21, NWS Little Rock, AR

April 30, 2017Independence County, Jackson County, Woodruff County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 30, 2017, 4:45 AM CDT for Independence County, Jackson County, Woodruff County, Arkansas. It was in force for 3 hr. 2 reports 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: Apr 30, 2017, 4:45 AM CDT (09:45 UTC)
Expired: Apr 30, 2017, 7:45 AM 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, Woodruff County, AR

The radar

The Little Rock radar (KLZK), 107 km from the middle of the area, began a volume at 09:48 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
Apr 30, 6:00 AM CDT	HEAVY RAIN 4.29	Batesville, AR	24 HOUR RAINFALL TOTAL AT BATESVILLE LOCK AND DAM. CORRECTED REPORT.
Apr 30, 7:00 AM CDT	HEAVY RAIN 5.84	3 Ne Beedeville, AR	24 HOUR RAINFALL TOTAL.

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 00:00Z, 9.8 hours before the alert went out and 160 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: 1699 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 993 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 11.6

Open this sounding in Storm Lab

The text

As transmitted.

891 
WGUS54 KLZK 300945
FFWLZK
ARC063-067-147-301245-
/O.NEW.KLZK.FF.W.0021.170430T0945Z-170430T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
445 AM CDT SUN APR 30 2017

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Independence County in north central Arkansas...
  Northern Woodruff County in eastern Arkansas...
  Jackson County in eastern Arkansas...

* Until 745 AM CDT

* At 445 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Two to four inches of rain have 
  fallen. Flash flooding is likely to occur. Additional rainfall of 
  one to two inches is likely to occur over the next couple hours. 

* Some locations that will experience flooding include...
  Batesville...                     Newport...
  Tuckerman...                      Diaz...
  Newark...                         Swifton...
  Grubbs...                         Pleasant Plains...
  Oil Trough...                     Jacksonport...
  Magness...                        Tupelo...
  Moorefield...                     Algoa...
  Salado...                         McFadden...
  Southside in Independence Count...
  Sulphur Rock...
  Campbell Station...               Beedeville...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3533 9142 3537 9144 3539 9140 3538 9138
      3544 9135 3544 9154 3549 9159 3553 9158
      3553 9164 3568 9179 3571 9179 3571 9181
      3593 9147 3589 9145 3588 9104 3531 9104

$$

Brown

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 7:13 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Faulkner, Lonoke, Pulaski, White	47 min
Apr 29, 7:21 PM CDT	Special Weather Statement	LZK	Clark, Hot Spring, Montgomery, Pike	54 min
Apr 29, 7:25 PM CDT	Severe Thunderstorm Warning	LZK	Dallas, Grant, Hot Spring, Saline	22 min
Apr 29, 7:34 PM CDT	Special Weather Statement	LZK	Yell	41 min
Apr 29, 7:45 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Pike	45 min
Apr 29, 7:50 PM CDT	Special Weather Statement	LZK	Saline	40 min
Apr 29, 7:57 PM CDT	Special Weather Statement	LZK	Cleburne, Stone	48 min
Apr 29, 8:06 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Pulaski, Saline	24 min
Apr 29, 8:17 PM CDT	Special Weather Statement	LZK	Arkansas, Monroe	28 min
Apr 29, 8:24 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Pope, Saline	51 min
Apr 29, 8:27 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Montgomery, Perry, Yell	48 min
Apr 29, 8:27 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Pulaski, Saline	48 min
Apr 29, 8:52 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Monroe, Prairie	23 min
Apr 29, 8:58 PM CDT	Flash Flood Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Perry, Pike and 3 more	3 hr
Apr 29, 8:59 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Garland, Perry, Pope, Saline, Yell	46 min
Apr 29, 9:10 PM CDT	Severe Thunderstorm Warning	LZK	Monroe, Prairie, White, Woodruff	50 min
Apr 29, 9:15 PM CDT	Special Weather Statement	LZK	Montgomery, Polk, Scott	45 min
Apr 29, 9:24 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk, Scott	31 min
Apr 29, 9:31 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Van Buren	44 min
Apr 29, 9:36 PM CDT	Special Weather Statement	LZK	White	39 min
Apr 29, 9:41 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Pike, Polk and 1 more	49 min
Apr 29, 9:46 PM CDT	Tornado Warning	LZK	Cleburne, Conway, Faulkner, Van Buren	18 min
Apr 29, 9:51 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, White	39 min
Apr 29, 9:58 PM CDT	Special Weather Statement	LZK	Woodruff	47 min
Apr 29, 10:10 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Faulkner, Van Buren, White	50 min
Apr 29, 10:14 PM CDT	Tornado Warning	LZK	Garland, Montgomery, Perry, Yell	31 min
Apr 29, 10:24 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson, White	24 min
Apr 29, 10:27 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Garland, Hot Spring, Perry, Pope and 3 more	48 min
Apr 29, 10:51 PM CDT	Severe Thunderstorm Warning	LZK	Faulkner, Lonoke, Pulaski, White	24 min
Apr 29, 11:01 PM CDT	Special Weather Statement	LZK	Independence	44 min
Apr 29, 11:05 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Hot Spring	40 min
Apr 29, 11:11 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson, White	34 min
Apr 29, 11:13 PM CDT	Flash Flood Warning	LZK	Conway, Faulkner, Perry, Pulaski, Saline	3 hr
Apr 29, 11:13 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Lonoke, Perry, Pulaski and 3 more	47 min
Apr 29, 11:37 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, White	38 min
Apr 29, 11:55 PM CDT	Flash Flood Warning	LZK	Cleburne, Faulkner, Independence, Jackson, White	3 hr
Apr 29, 11:56 PM CDT	Special Weather Statement	LZK	Lonoke, Pulaski, White	49 min
Apr 30, 12:07 AM CDT	Areal Flood Warning	LZK	Baxter, Boone, Fulton, Marion, Newton, Searcy	9 hr
Apr 30, 12:07 AM CDT	Special Weather Statement	LZK	Jackson	23 min
Apr 30, 12:09 AM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson, White	51 min
Apr 30, 12:14 AM CDT	Flash Flood Warning	LZK	Faulkner, Lonoke, Pulaski, Saline, White	3 hr
Apr 30, 12:16 AM CDT	Areal Flood Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Perry, Pike and 3 more	6 hr
Apr 30, 12:35 AM CDT	Tornado Warning	LZK	White, Woodruff	25 min
Apr 30, 12:56 AM CDT	Tornado Warning	LZK	Jackson, White, Woodruff	23 min
Apr 30, 1:06 AM CDT	Severe Thunderstorm Warning	LZK	Jackson, Prairie, Woodruff	39 min
Apr 30, 1:58 AM CDT	Special Weather Statement	LZK	Grant, Jefferson, Lonoke, Prairie	47 min
Apr 30, 2:12 AM CDT	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Garland, Grant, Independence and 9 more	4 hr
Apr 30, 2:12 AM CDT	Tornado Warning	LZK	Jefferson, Lonoke, Prairie	33 min
Apr 30, 2:30 AM CDT	Flash Flood Warning	LZK	Hot Spring	3 hr
Apr 30, 2:54 AM CDT	Flash Flood Warning	LZK	Lonoke, Prairie, Pulaski, White, Woodruff	4 hr
Apr 30, 2:57 AM CDT	Special Weather Statement	LZK	Prairie, Woodruff	48 min
Apr 30, 3:12 AM CDT	Severe Thunderstorm Warning	LZK	Monroe, Prairie, Woodruff	48 min
Apr 30, 3:53 AM CDT	Special Weather Statement	LZK	Jackson, Monroe, Woodruff	52 min
Apr 30, 4:15 AM CDT	Special Weather Statement	LZK	Cleveland, Grant, Jefferson	45 min
Apr 30, 4:36 AM CDT	Special Weather Statement	LZK	Lonoke, Prairie, Pulaski	39 min
Apr 30, 4:52 AM CDT	Flash Flood Warning	LZK	Monroe, Prairie, Woodruff	3 hr
Apr 30, 5:00 AM CDT	Special Weather Statement	LZK	Faulkner, Lonoke, Pulaski	45 min
Apr 30, 5:14 AM CDT	Flash Flood Warning Emergency	LZK	Cleburne, Faulkner, Independence, Jackson, Lonoke, Prairie and 2 more	3 hr
Apr 30, 5:22 AM CDT	Flash Flood Warning	LZK	Hot Spring	6 hr
Apr 30, 5:56 AM CDT	Flash Flood Warning	LZK	Arkansas, Bradley, Cleveland, Desha, Drew, Jefferson and 3 more	4 hr
Apr 30, 6:26 AM CDT	Flash Flood Warning	LZK	Faulkner, Lonoke, Pulaski, Saline	2 hr
Apr 30, 7:27 AM CDT	Flash Flood Warning Emergency	LZK	Baxter	6 hr
Apr 30, 8:12 AM CDT	Flash Flood Warning	LZK	Cleburne, Faulkner, Independence, Jackson, Lonoke, Monroe and 3 more	3 hr
Apr 30, 8:34 AM CDT	Areal Flood Warning	LZK	Faulkner, Lonoke, Pulaski, Saline	3 hr
Apr 30, 8:41 AM CDT	Areal Flood Warning	LZK	Faulkner, Lonoke, Pulaski, Saline	3 hr
Apr 30, 11:07 AM CDT	Areal Flood Warning	LZK	Cleburne, Faulkner, Independence, Jackson, Lonoke, Monroe and 5 more	9 hr
Apr 30, 11:07 AM CDT	Flash Flood Warning	LZK	Perry, Pulaski, Saline	3 hr
Apr 30, 1:05 PM CDT	Areal Flood Warning	LZK	Baxter	12 hr

Nearby

Flash Flood Warnings in Arkansas, 2017 Every flash flood warning in 2017

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.