Alert archive / Arkansas / Flash Flood Warnings in 2007

Flash Flood Warning 28, NWS Little Rock, AR

April 3, 2007Pulaski County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 3, 2007, 9:30 PM CDT for Pulaski County, Arkansas. It was in force for 2 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: Apr 3, 2007, 9:30 PM CDT (02:30 UTC)
Expired: Apr 3, 2007, 11:30 PM CDT
In force: 2 hr
Issued by: NWS Little Rock, AR
Area: Whole counties

County Pulaski County, AR

The radar

The Little Rock radar (KLZK), 9 km from the middle of the area, began a volume at 02:31 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

Little Rock, AR (KLZK), launched 00:00Z, 2.5 hours before the alert went out and 216 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: 2532 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1366 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.1

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 Apr 3, 2:05 PM CDT, 7 hours 25 minutes earlier.

Area forecast discussion, Apr 3, 2:05 PM CDT, 7 hours 25 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
205 PM CDT TUE APR 3 2007

.DISCUSSION...
ON-GOING CONVECTION OVER MO FIRING AHEAD OF THE COLD FRONT...& AS
THE SHORTWAVE ENERGY MOVES EAST. SOUTHWEST END HAS BEEN SLOW TO
FIRE...BUT WITH LAPS DATA SHOWING LI OF -8 TO -10...WHILE THETA-E
SURGE HAS NOW SHIFTED TO FAR SE OK TO CENTRAL MO. 18Z SOUNDING
FROM KLZK HAD A PRECIP WATER 0.99 INCHES...LI OF -7.2...CAPE OF
2355 J/KG...& A WIND FIELD OF SW 10-40 SURFACE TO 6K FT. THIS
SOUNDING IS SLIGHTLY LESS UNSTABLE THAN 12Z SOUNDING...INVERSION
STILL PRESENT AT 4K-8K FT. EXPECTING ISOLATED SEVERE STORMS WITH
THE SQUALL- LINE AS IT MOVES E-SE AHEAD OF THE COLD FRONT. UP POPS
TO 50% CHANCE OVER MOST AR EARLIER...& MAY HAVE TO GO LIKELY IN
SOME NE SPOTS LATER. SPC CONTINUES A MODERATE RISK...OVER CENTRAL
AR FOR DAY ONE. PRESSURE GRADIENT AHEAD OF THE COLD FRONT HAS
INCREASED TO PROMPT LAKE WIND ADV THROUGH MIDNIGHT OVER ALL OF AR.
AS STATED EARLIER... OVERALL JET DYNAMICS ARE NOT IMPRESSIVE...BUT
ENOUGH MOISTURE...INSTABILITY & LIFT WILL OVERCOME. WITHOUT GREAT
JET DYNAMICS...SEVERE POTENTIAL WILL BE LIMITED. COLD FRONT HAS
MADE SOME PROGRESS E-SE...& LOCATED OVER FAR SE KS...NORTH TO NEAR
KUIN.

&&

.SHORT TERM...TONIGHT THROUGH FRIDAY NIGHT
MODELS HAVE SHORTWAVE ENERGY QUICKLY MOVING THROUGH AR FROM 18Z-
00Z THIS AFTERNOON TO EVENING...WITH MAIN LIFT OVER FAR SE AR AT 00Z.
HAVE GOOD CHANCE OF CONVECTION IN FORECAST WITH MENTION OF SEVERE
STORM POTENTIAL. ALSO EXPECTED SPEED OF SHORTWAVE MOVEMENT SHOULD
LIMIT SOME SEVERE POTENTIAL & COVERAGE...BUT WILL SEE SQUALL-LINE
FORM AHEAD OF THE COLD FRONT...& SWEEP ACROSS THE STATE. OVERALL
ATMOSPHERIC SHEAR APPEARS TO BE LIMITED...SO MAIN THREAT OF SEVERE
STORMS WILL BE LARGE HAIL...STRONG WINDS...WITH ONLY ISOLATED
TORNADOES. 00Z- 06Z...ENERGY IS PUSHING SOUTH OF AR...& STORMS
SHOULD HAVE EXITED THE STATE BY 06Z. MUCH COOLER & DRIER AIR THEN
FILTERS IN OVER AR FOR WEDNESDAY & THE REST OF THE WEEK...TAKING TEMPS
BACK TO BELOW NORMALS...FROM NORMAL LOWS IN THE MID 40S WHILE HIGHS
IN THE MID & UPPER 60S. WILL HAVE TO CONSIDER MENTION OF FROST LATE
IN THE WEEK...TO POSSIBLE FREEZE WATCH OR WARNING OVER THE
WEEKEND...ESPECIALLY IN NORTHERN PARTS OF THE STATE.

&&

.LONG TERM...SATURDAY THROUGH TUESDAY
NWLY FLOW ALOFT IS FCST TO PERSIST OVER THE MIDDLE OF THE NATION
DURG THE PD. SEVERAL UPPER LVL SYSTEMS WL DROP SEWD AND BRING
REINFORCING SHOTS OF COOLER AIR TO THE FA. FIRST SYS WL AFFECT THE
AREA EARLY IN THE WEEKEND...WITH SMALL CHCS OF LGT RAIN POSSIBLE
OVR MAINLY WRN AR SAT AFTN AND EVENING. RATHER CHILLY AIR WL
FOLLOW... WITH LOWS BY SUN MRNG IN THE UPPER 20S TO LOWER
30S...THREATENING TENDER VEGETATION OVR MUCH OF THE FA. SOME
MODERATION IN TEMPS EXPECTED BY MON AND ANOTHER UPPER SYS PASSES
NE OF THE STATE MON NGT AND TUE. RAIN CHCS WL BE LIMITED AS BULK
OF LIFT RMNS N OF THE FA.

&&

.PRELIMINARY POINT TEMPS/POPS...
BATESVILLE AR     47  61  35  57 /  50  10   0  10
CAMDEN AR         50  64  41  61 /  50  10   0  10
HARRISON AR       40  58  34  56 /  50  10   0  10
HOT SPRINGS AR    49  64  40  60 /  50  10   0  10
LITTLE ROCK   AR  49  63  39  60 /  50  10   0  10
MONTICELLO AR     53  65  41  62 /  50  10   0  10
MOUNT IDA AR      47  63  40  60 /  50  10   0  10
MOUNTAIN HOME AR  42  58  33  56 /  50  10   0  10
NEWPORT AR        49  61  35  56 /  50  10   0  10
PINE BLUFF AR     51  65  40  61 /  50  10   0  10
RUSSELLVILLE AR   45  61  37  58 /  50  10   0  10
SEARCY AR         49  62  38  58 /  50  10   0  10
STUTTGART AR      51  64  39  60 /  50  10   0  10
&&

.LZK WATCHES/WARNINGS/ADVISORIES...
LAKE WIND ADVISORY UNTIL MIDNIGHT CDT TONIGHT FOR ARKANSAS-
BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND-CONWAY-
DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING-
INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-
LONOKE-MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-
POPE-PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-
WHITE-WOODRUFF-YELL.

&&

SHORT TERM...59 / LONG TERM...44

Hazardous weather outlook, Apr 3, 3:40 PM CDT, 5 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
340 PM CDT TUE APR 3 2007

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-041000-
ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND-
CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING-
INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE-
MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE-
PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE-
WOODRUFF-YELL-
340 PM CDT TUE APR 3 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WERE DEVELOPING IN
AREAS NORTH OF ARKANSAS EARLY THIS AFTERNOON. THE STORMS WERE
POPPING UP FROM THE OHIO VALLEY TO MISSOURI. IN ARKANSAS...WARM AIR
ALOFT WAS CAPPING THE ATMOSPHERE...WITH NO STORMS AS OF 3 PM CDT.
THAT WILL CHANGE THE AFTERNOON PROGRESSES.

A COLD FRONT WILL PUSH INTO THE STATE...WITH THE CAP WEAKENING.
THUNDERSTORMS WILL DEVELOP ALONG THE FRONT...WITH THE STORMS
AFFECTING ABOUT THE NORTHERN HALF OF THE STATE THROUGH 7 PM THIS
EVENING. STORMS WILL PUSH INTO SOUTHERN ARKANSAS AFTER 7 PM.

SEVERE WEATHER WILL BE LIKELY. THE MAIN CONCERNS WILL BE STRONG TO
DAMAGING WINDS AND LARGE HAIL. ISOLATED TORNADOES CANNOT BE RULED
OUT.

THE FRONT WILL EXIT THE STATE TO THE SOUTH AFTER MIDNIGHT...WITH
MUCH COOLER AIR TO FOLLOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A NORTHWEST WIND FLOW BEHIND THE FRONT WILL BRING SEVERAL ROUNDS OF
COOL AIR IN THE COMING DAYS. CANADIAN HIGH PRESSURE WILL SLOWLY
BUILD TOWARD THE REGION...WITH TEMPERATURES APPROACHING FREEZING IN
PORTIONS OF NORTHERN ARKANSAS DURING THE EARLY MORNING HOURS
THURSDAY THROUGH SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND
CLICK ON CENTRAL ARKANSAS.

46

In the hours before

Local storm report, Apr 3, 5:47 PM CDT, 3 hours 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
547 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0540 PM     HAIL             4 W MOUNTAIN VIEW       35.87N 92.18W
04/03/2007  E1.00 INCH       STONE              AR   TRAINED SPOTTER

0538 PM     HAIL             SPRINGFIELD             35.27N 92.57W
04/03/2007  E1.00 INCH       CONWAY             AR   BROADCAST MEDIA

0543 PM     HAIL             7 S MOUNTAIN VIEW       35.77N 92.11W
04/03/2007  E0.75 INCH       STONE              AR   TRAINED SPOTTER

&&

55

Local storm report, Apr 3, 5:53 PM CDT, 3 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
553 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0528 PM     HAIL             12 NE MORRILTON         35.28N 92.59W
04/03/2007  E1.75 INCH       CONWAY             AR   EMERGENCY MNGR

0548 PM     HAIL             2 S FOX                 35.75N 92.30W
04/03/2007  E1.75 INCH       STONE              AR   TRAINED SPOTTER

&&

55

Local storm report, Apr 3, 5:54 PM CDT, 3 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
554 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0553 PM     HAIL             1 E WOOSTER             35.20N 92.43W
04/03/2007  E0.75 INCH       FAULKNER           AR   CO-OP OBSERVER

&&

TBRAY

Local storm report, Apr 3, 6:04 PM CDT, 3 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
604 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0556 PM     HAIL             5 S MOUNTAIN VIEW       35.80N 92.11W
04/03/2007  E0.88 INCH       STONE              AR   TRAINED SPOTTER

0600 PM     HAIL             2 N MOUNTAIN VIEW       35.90N 92.11W
04/03/2007  E0.88 INCH       STONE              AR   TRAINED SPOTTER

&&

55

Local storm report, Apr 3, 6:20 PM CDT, 3 hours 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
620 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0615 PM     HAIL             ADONA                   35.03N 92.92W
04/03/2007  E1.00 INCH       PERRY              AR   TRAINED SPOTTER

&&

55

Local storm report, Apr 3, 6:33 PM CDT, 2 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
633 PM CDT TUE APR 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0630 PM     HAIL             PERRYVILLE              35.01N 92.80W
04/03/2007  E0.75 INCH       PERRY              AR   LAW ENFORCEMENT

&&

55

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 7:00 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson	60 min
Apr 3, 7:25 PM CDT	Flash Flood Warning	LZK	Perry, Pulaski	2 hr
Apr 3, 7:30 PM CDT	Flash Flood Warning	LZK	Independence, White	2 hr
Apr 3, 7:45 PM CDT	Severe Thunderstorm Warning	LZK	Perry, Pulaski, Saline	60 min
Apr 3, 8:00 PM CDT	Severe Thunderstorm Warning	LZK	Polk	45 min
Apr 3, 8:04 PM CDT	Severe Thunderstorm Warning	LZK	White, Woodruff	56 min
Apr 3, 8:43 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski, Saline	62 min
Apr 3, 9:34 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Jefferson	56 min
Apr 3, 9:43 PM CDT	Severe Thunderstorm Warning	LZK	Monroe	47 min
Apr 3, 9:45 PM CDT	Severe Thunderstorm Warning	LZK	Saline	30 min
Apr 3, 10:29 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Cleveland, Grant, Jefferson, Lincoln, Monroe	61 min
Apr 3, 11:25 PM CDT	Severe Thunderstorm Warning	LZK	Calhoun	50 min
Apr 3, 11:32 PM CDT	Severe Thunderstorm Warning	LZK	Drew, Lincoln	43 min
Apr 3, 11:38 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Cleveland	37 min
Apr 3, 11:42 PM CDT	Severe Thunderstorm Warning	LZK	Desha	48 min
Apr 4, 12:16 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Drew	29 min
Apr 4, 4:00 AM CDT	Freeze Watch	LZK	Baxter, Fulton, Izard, Marion, Sharp, Stone	7 hr
Apr 4, 11:12 AM CDT	Freeze Warning	LZK	Baxter, Fulton, Izard, Marion, Sharp, Stone	21 hr
Apr 4, 3:04 PM CDT	Freeze Watch	LZK	Baxter, Fulton, Izard, Marion, Sharp, Stone	13 hr

Nearby

Flash Flood Warnings in Arkansas, 2007 Every flash flood warning in 2007

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.