Alert archive / Arkansas / Flash Flood Warnings in 2011

Flash Flood Warning 13, NWS Little Rock, AR

April 24, 2011Baxter County, Boone County, Marion County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 24, 2011, 1:56 AM CDT for Baxter County, Boone County, Marion 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 outline as issued.

The facts

Issued: Apr 24, 2011, 1:56 AM CDT (06:56 UTC)
Expired: Apr 24, 2011, 5:00 AM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Baxter County, AR, Boone County, AR, Marion County, AR

The radar

The Springfield radar (KSGF), 126 km from the middle of the area, began a volume at 06:55 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 00:00Z, 6.9 hours before the alert went out and 123 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 747 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

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

619 
WGUS54 KLZK 240656
FFWLZK
ARC005-009-089-241000-
/O.NEW.KLZK.FF.W.0013.110424T0656Z-110424T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
156 AM CDT SUN APR 24 2011

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BAXTER COUNTY IN NORTH CENTRAL ARKANSAS...
  BOONE COUNTY IN NORTH CENTRAL ARKANSAS...
  MARION COUNTY IN NORTH CENTRAL ARKANSAS...

* UNTIL 500 AM CDT

* AT 152 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SHOWERS AND THUNDERSTORMS ACROSS MUCH OF THE WARNED AREA...WITH    
  THE HEAVIEST RAIN FROM MOUNTAIN HOME TO YELLVILLE. FLASH FLOODING  
  IS ALREADY OCCURRING...WITH SOME ROADS UNDER WATER IN PLACES.
  WHILE PRECIPITATION WILL TAPER OFF DURING THE WARNING PERIOD...IT  
  WILL TAKE SOME TIME FOR HIGH WATER TO RUNOFF.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  YELLVILLE...          MOUNTAIN HOME...      HARRISON...
  WININGTON...          WILLIS...             VALLEY SPRINGS...
  SHIPP...              SELF...               SALESVILLE...
  RUSH...               ROBINSON PT LNDG...   ROBERSON HOLLOW...
  RED BANK...           PYATT...              PRICE PLACE...
  OZARK ISLE...         OMAHA...              OLVEY...

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 3630 9216 3614 9238 3612 9269 3612 9325
      3613 9330 3649 9329 3650 9215

$$

46

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 7:43 PM CDT	Severe Thunderstorm Warning	LZK	Boone, Johnson, Newton	47 min
Apr 23, 7:57 PM CDT	Tornado Warning	LZK	Newton	48 min
Apr 23, 8:42 PM CDT	Tornado Warning	LZK	Marion, Newton, Searcy	48 min
Apr 23, 9:26 PM CDT	Tornado Warning	LZK	Baxter, Marion, Searcy, Stone	24 min
Apr 23, 10:25 PM CDT	Flash Flood Warning	LZK	Baxter, Boone, Marion, Newton, Searcy	3 hr
Apr 24, 4:48 AM CDT	River Flood Advisory	LZK	Fulton, Sharp	36 hr
Apr 24, 5:04 AM CDT	River Flood Advisory	LZK	Clay	36 hr
Apr 24, 9:04 AM CDT	River Flood Advisory	LZK	Searcy	36 hr
Apr 24, 9:06 AM CDT	River Flood Advisory	LZK	Izard, Stone	36 hr
Apr 24, 9:08 AM CDT	River Flood Advisory	LZK	Independence	36 hr
Apr 24, 9:47 AM CDT	River Flood Warning	LZK	Clay	12 days
Apr 24, 9:47 AM CDT	River Flood Warning	LZK	Fulton, Sharp	3 days
Apr 24, 9:47 AM CDT	River Flood Warning	LZK	Lawrence, Randolph	5 days
Apr 24, 10:42 AM CDT	Flash Flood Warning	LZK	Boone, Newton	3 hr
Apr 24, 11:24 AM CDT	Special Weather Statement	LZK	Johnson, Newton	61 min
Apr 24, 11:36 AM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton, Pope	39 min
Apr 24, 12:05 PM CDT	Tornado Warning	LZK	Johnson, Logan, Newton, Pope	25 min
Apr 24, 12:07 PM CDT	Tornado Warning	LZK	Johnson, Newton, Pope	23 min
Apr 24, 12:13 PM CDT	Severe Thunderstorm Warning	LZK	Newton	47 min
Apr 24, 12:20 PM CDT	Tornado Warning	LZK	Newton, Searcy	25 min
Apr 24, 12:28 PM CDT	Tornado Warning	LZK	Conway, Johnson, Pope, Searcy, Van Buren	47 min
Apr 24, 12:43 PM CDT	Tornado Warning	LZK	Marion, Newton, Pope, Searcy, Van Buren	18 min
Apr 24, 1:02 PM CDT	Special Weather Statement	LZK	Scott	48 min
Apr 24, 1:04 PM CDT	River Flood Warning	LZK	Independence, Jackson	22 days
Apr 24, 1:14 PM CDT	Tornado Warning	LZK	Conway, Pope, Searcy, Van Buren	46 min
Apr 24, 1:23 PM CDT	Severe Thunderstorm Warning	LZK	Pope	37 min
Apr 24, 1:32 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Pope, Yell	43 min
Apr 24, 1:35 PM CDT	Tornado Warning	LZK	Conway, Pope, Van Buren	40 min
Apr 24, 1:36 PM CDT	Special Weather Statement	LZK	Logan	44 min
Apr 24, 1:43 PM CDT	Tornado Warning	LZK	Baxter, Fulton, Izard, Sharp, Stone	47 min
Apr 24, 1:55 PM CDT	Tornado Warning	LZK	Cleburne, Searcy, Stone, Van Buren	16 min
Apr 24, 2:11 PM CDT	Tornado Warning	LZK	Cleburne, Conway, Van Buren	41 min
Apr 24, 2:22 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Pope, Van Buren	23 min
Apr 24, 2:32 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Izard, Sharp	43 min
Apr 24, 2:32 PM CDT	Tornado Warning	LZK	Cleburne, Stone, Van Buren	43 min
Apr 24, 2:41 PM CDT	Special Weather Statement	LZK	Pope, Yell	44 min
Apr 24, 2:50 PM CDT	Special Weather Statement	LZK	Faulkner	45 min
Apr 24, 3:06 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	24 min
Apr 24, 3:09 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Stone, Van Buren	51 min
Apr 24, 3:11 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	19 min
Apr 24, 3:29 PM CDT	River Flood Warning	LZK	Searcy	68 hr
Apr 24, 3:29 PM CDT	River Flood Warning	LZK	Izard, Stone	3 days
Apr 24, 3:31 PM CDT	River Flood Warning	LZK	Independence	4 days
Apr 24, 3:37 PM CDT	Special Weather Statement	LZK	Sharp	48 min
Apr 24, 3:37 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, White	38 min
Apr 24, 3:56 PM CDT	Special Weather Statement	LZK	Sharp	44 min
Apr 24, 4:03 PM CDT	Special Weather Statement	LZK	Cleburne	47 min
Apr 24, 4:13 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, White	47 min
Apr 24, 4:25 PM CDT	Flash Flood Watch	LZK	Arkansas, Clark, Cleburne, Cleveland, Conway, Dallas and 17 more	68 hr
Apr 24, 4:48 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson	42 min
Apr 24, 4:54 PM CDT	Tornado Warning	LZK	Independence, Jackson	23 min
Apr 24, 5:12 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson	22 min

Nearby

Flash Flood Warnings in Arkansas, 2011 Every flash flood warning in 2011

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.