Alert archive / Arkansas / Flash Flood Warnings in 2009

Flash Flood Warning 15, NWS Little Rock, AR

May 2, 20096 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at May 2, 2009, 4:59 PM CDT for 6 counties in Arkansas. It was in force for 6 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: May 2, 2009, 4:59 PM CDT (21:59 UTC)
Expired: May 2, 2009, 11:00 PM CDT
In force: 6 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleveland County, AR, Dallas County, AR, Ouachita County, AR

The radar

The Little Rock radar (KLZK), 124 km from the middle of the area, began a volume at 22:01 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

Shreveport, LA (KSHV), launched 12:00Z, 10.0 hours before the alert went out and 178 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: 1211 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 501 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

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 May 2, 12:32 PM CDT, 4 hours 27 minutes earlier.

Area forecast discussion, May 2, 12:32 PM CDT, 4 hours 27 minutes before

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Hazardous weather outlook, May 2, 12:45 PM CDT, 4 hours 14 minutes before

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In the hours before

Special weather statement, May 2, 11:07 AM CDT, 5 hours 52 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1107 AM CDT SAT MAY 2 2009

ARZ037-040-021705-
POLK-SCOTT-
1107 AM CDT SAT MAY 2 2009

...SIGNIFICANT WEATHER ALERT FOR POLK AND SCOTT COUNTIES UNTIL 1205
PM CDT...

AT 1106 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 15 MILES WEST OF
LAKE WILHELMINA TO 10 MILES WEST OF HATFIELD...MOVING NORTHEAST
AT 30 MPH.

SMALL HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE
STORMS AS THEY TRACK INTO NORTHERN POLK AND SOUTHERN SCOTT COUNTIES.

46

Local storm report, May 2, 2:51 PM CDT, 2 hours 8 minutes before

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Local storm report, May 2, 3:17 PM CDT, 1 hour 42 minutes before

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Local storm report, May 2, 4:38 PM CDT, 21 minutes before

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Special weather statement, May 2, 4:50 PM CDT, 9 minutes before

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Local storm report, May 2, 4:57 PM CDT, 2 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 7:25 PM CDT	Tornado Warning	LZK	Boone, Newton	50 min
May 1, 8:04 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton, Pope	41 min
May 1, 8:16 PM CDT	Tornado Warning	LZK	Johnson, Newton	44 min
May 1, 8:28 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton, Pope	47 min
May 1, 8:42 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton, Pope, Searcy	31 min
May 1, 8:56 PM CDT	Tornado Warning	LZK	Johnson, Newton, Pope, Searcy, Van Buren	49 min
May 1, 9:19 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Pope	41 min
May 1, 9:45 PM CDT	Flash Flood Warning	LZK	Conway, Johnson, Newton, Pope, Searcy, Van Buren and 1 more	2 hr
May 1, 9:50 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Newton, Perry, Pope, Van Buren and 1 more	55 min
May 1, 9:54 PM CDT	Tornado Warning	LZK	Conway, Pope, Van Buren	51 min
May 1, 10:47 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Van Buren	58 min
May 1, 10:48 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Pope	42 min
May 1, 11:36 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Johnson, Logan, Perry, Pope, Yell	39 min
May 1, 11:45 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Van Buren, White	45 min
May 1, 11:50 PM CDT	Flash Flood Warning	LZK	Conway, Faulkner, Johnson, Logan, Newton, Pope and 3 more	6 hr
May 2, 12:18 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Pulaski	42 min
May 2, 12:30 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Van Buren, White	48 min
May 2, 12:38 AM CDT	Severe Thunderstorm Warning	LZK	Faulkner, Lonoke, Pulaski, White	52 min
May 2, 1:13 AM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie, Pulaski, White	33 min
May 2, 2:12 AM CDT	Flash Flood Warning	LZK	Cleburne, Faulkner, Independence, Jackson, Stone, Van Buren and 2 more	4 hr
May 2, 3:46 AM CDT	Severe Thunderstorm Warning	LZK	Faulkner	32 min
May 2, 6:58 AM CDT	Flash Flood Warning	LZK	Conway, Faulkner, Pope, Van Buren, Yell	4 hr
May 2, 7:54 AM CDT	Severe Thunderstorm Warning	LZK	Garland, Montgomery, Perry, Yell	41 min
May 2, 8:08 AM CDT	Flash Flood Warning	LZK	Faulkner, Lonoke, Monroe, Prairie, Pulaski, White and 1 more	3 hr
May 2, 8:19 AM CDT	Flash Flood Warning	LZK	Scott, Yell	3 hr
May 2, 10:09 AM CDT	Flash Flood Warning	LZK	Johnson, Logan, Pope, Scott, Yell	3 hr
May 2, 11:04 AM CDT	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Lonoke, Monroe, Perry and 8 more	6 hr
May 2, 11:35 AM CDT	Flash Flood Warning	LZK	Montgomery, Polk, Scott, Yell	6 hr
May 2, 11:42 AM CDT	Severe Thunderstorm Warning	LZK	Polk	48 min
May 2, 12:16 PM CDT	River Flood Warning	LZK	Prairie, White, Woodruff	23 hr
May 2, 12:16 PM CDT	River Flood Warning	LZK	Prairie	18 days
May 2, 12:23 PM CDT	River Flood Warning	LZK	Randolph	18 days
May 2, 12:24 PM CDT	River Flood Warning	LZK	White	32 hr
May 2, 12:34 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Montgomery, Pike	41 min
May 2, 2:02 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Dallas, Grant, Jefferson	43 min
May 2, 2:08 PM CDT	Tornado Warning	LZK	Cleveland, Dallas, Grant, Jefferson, Lincoln	52 min
May 2, 2:56 PM CDT	Tornado Warning	LZK	Cleveland, Jefferson, Lincoln	49 min
May 2, 3:30 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Drew, Lincoln	45 min
May 2, 3:40 PM CDT	Flash Flood Warning	LZK	Clark, Dallas, Garland, Hot Spring, Montgomery, Perry and 4 more	6 hr
May 2, 3:51 PM CDT	Tornado Warning	LZK	Desha, Drew, Lincoln	39 min
May 2, 4:15 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Drew	60 min
May 2, 4:36 PM CDT	Severe Thunderstorm Warning	LZK	Desha	39 min

Nearby

Flash Flood Warnings in Arkansas, 2009 Every flash flood warning in 2009

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.