Alert archive / Arkansas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 129, NWS Little Rock, AR

May 24, 2005Dallas County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 24, 2005, 6:46 PM CDT for Dallas County, Arkansas. It was in force for 44 min. 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 24, 2005, 6:46 PM CDT (23:46 UTC)
Expired: May 24, 2005, 7:30 PM CDT
In force: 44 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

County Dallas County, AR

The radar

The Little Rock radar (KLZK), 103 km from the middle of the area, began a volume at 23:48 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 24, 10:55 AM CDT	Severe Thunderstorm Watch	SPC	8 hr
May 24, 4:50 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.8 hours before the alert went out and 195 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: 148 J/kg
Mixed-layer CIN: -292 J/kg
Mixed-layer LCL: 844 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 24, 3:03 PM CDT, 3 hours 43 minutes earlier.

Area forecast discussion, May 24, 3:03 PM CDT, 3 hours 43 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
303 PM CDT TUE MAY 24 2005

.SHORT TERM...TONIGHT THROUGH SUNDAY
OBSERVATIONAL DATA INDICATES A MCV...CENTERED OVER EXTREME NORTHEAST
OKLAHOMA...MOVING SOUTHEAST. INSTABILITY ANALYSIS INDICATES AN AXIS
FROM NEAR CAMDEN...TO NEAR FORT SMITH. FORCING ASSOCIATED WITH THE
MCV APPEARS TO HAVE WEAKENED THIS AFTERNOON...HOWEVER IF STORM CAN
BE INITIATED...WOULD EXPECT A SEVERE WIND THREAT DURING THE LATE AFTERNOON
AND EARLY EVENING.

ANOTHER CONVECTIVE COMPLEX IS EXPECTED TO FORM OVER THE PLAINS
OVERNIGHT...THEN WILL MOVE SOUTHEAST. EXTREME SOUTHWEST PORTIONS OF
THE FORECAST AREA COULD BE AFFECTED LATE TONIGHT AND EARLY
WEDNESDAY.

ANOTHER FRONTAL BOUNDARY IS EXPECTED TO MOVE THROUGH THE REGION ON
FRIDAY. AT THIS TIME IT APPEARS PRECIPITATION WILL WIDELY SCATTERED
AT BEST.

&&

.LONG TERM...SUNDAY NIGHT THROUGH TUESDAY
ZONAL FLOW WILL CONTINUE THROUGH THE PERIOD. A LOW AMPLITUDE UPPER
RIDGE OVER THE WESTERN U.S. WILL BE ACCOMPANIED BY A TROUGH OVER NEW
ENGLAND. SEVERAL SHORT WAVES WILL BE RIDING THROUGH THE FLOW KEEPING
SMALL CHANCES OF SHOWERS AND THUNDERSTORMS OVER THE AREA THROUGH
MUCH OF THE  PERIOD. ALSO...LOW PRESSURE AND A SURFACE FRONT WILL
STAY WEST OF ARKANSAS THROUGH THIS PERIOD. RAIN CHANCES WILL
DIMINISH TUESDAY MORNING AND EXIT TO THE EAST TUESDAY AFTERNOON.
HIGH PRESSURE WILL THEN BUILD INTO THE AREA. TEMPERATURES WILL STAY
NEAR NORMAL THROUGH THE PERIOD.
&&

.PRELIMINARY POINT TEMPS/POPS...
LITTLE ROCK   AR  88  62  83  59 /  40  30  10  10
HARRISON AR       81  58  80  56 /  40  40  10  10
HOT SPRINGS AR    87  63  83  59 /  40  40  20  10
PINE BLUFF AR     89  62  83  59 /  30  20  10  10
MOUNTAIN HOME AR  81  58  80  55 /  40  30  10  10
MONTICELLO AR     90  63  83  60 /  20  20  10  10
SEARCY AR         87  61  82  58 /  30  30  10  10
MOUNT IDA AR      87  63  83  59 /  50  40  20  20
RUSSELLVILLE AR   85  61  83  58 /  40  40  10  10
&&

.LZK WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

SHORT TERM...55 / LONG TERM....51

In the hours before

Local storm report, May 24, 5:07 PM CDT, 1 hour 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
507 PM CDT TUE MAY 24 2005

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

0455 PM     HAIL             2 W HOT SPRINGS         34.49N 93.09W
05/24/2005  1.75 INCH        GARLAND            AR   LAW ENFORCEMENT

            REPORTED BY STATE TROOPER.

&&

BB

Local storm report, May 24, 5:40 PM CDT, 1 hour 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
540 PM CDT TUE MAY 24 2005

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

0535 PM     TSTM WND DMG     3 SW HOT SPRINGS        34.46N 93.09W
05/24/2005                   GARLAND            AR   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN. LARGE HAIL ALSO REPORTED BUT
            SIZE UNKNOWN AT TIME.

&&

BB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 3:27 PM CDT	Severe Thunderstorm Warning	LZK	Grant	33 min
May 24, 3:56 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Jefferson	29 min
May 24, 4:33 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Yell	30 min
May 24, 4:45 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Hot Spring	45 min
May 24, 5:24 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Hot Spring	51 min
May 24, 6:02 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	43 min
May 24, 6:06 PM CDT	Flash Flood Warning	LZK	Garland, Hot Spring	3 hr
May 24, 6:12 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Garland, Hot Spring	30 min
May 24, 6:31 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk	59 min
May 24, 6:41 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott, Yell	64 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2005 Every severe thunderstorm warning in 2005

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.