Alert archive / Arkansas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 142, NWS Little Rock, AR

May 24, 2016Johnson County, Newton County, Pope County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 24, 2016, 3:49 PM CDT for Johnson County, Newton County, Pope County, Arkansas. It was in force for 26 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, 2016, 3:49 PM CDT (20:49 UTC)
Expired: May 24, 2016, 4:15 PM CDT
In force: 26 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Johnson County, AR, Newton County, AR, Pope County, AR

The radar

The Western Arkansas radar (KSRX), 109 km from the middle of the area, began a volume at 20:52 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 12:00Z, 8.8 hours before the alert went out and 148 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: 1257 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.4

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, 2:55 PM CDT, 54 minutes earlier.

Area forecast discussion, May 24, 2:55 PM CDT, 54 minutes before

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Hazardous weather outlook, May 24, 5:00 AM CDT, 10 hours 49 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT TUE MAY 24 2016

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-251000-
BOONE-MARION-BAXTER-FULTON-SHARP-NEWTON-SEARCY-STONE-IZARD-
INDEPENDENCE-JOHNSON-POPE-VAN BUREN-CLEBURNE-JACKSON-LOGAN-CONWAY-
FAULKNER-WHITE-WOODRUFF-SCOTT-YELL-PERRY-POLK-MONTGOMERY-GARLAND-
SALINE-PULASKI-LONOKE-PRAIRIE-MONROE-PIKE-CLARK-HOT SPRING-GRANT-
JEFFERSON-ARKANSAS-DALLAS-CLEVELAND-LINCOLN-DESHA-OUACHITA-CALHOUN-
BRADLEY-DREW-
500 AM CDT TUE MAY 24 2016

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

THROUGH MUCH OF THE PERIOD...ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS ARE IN THE FORECAST AHEAD OF A NEARLY STATIONARY FRONT
IN THE PLAINS. PRECIPITATION SHOULD BE MORE WIDESPREAD FRIDAY AS A
STORM SYSTEM APPROACHES FROM THE SOUTHWEST UNITED STATES.

AS FAR AS RAINFALL IN THE COMING DAYS...ONE TO TWO INCH AMOUNTS ARE
EXPECTED IN THE NORTHWEST HALF OF ARKANSAS. LESSER AMOUNTS WILL BE
NOTED FARTHER SOUTH AND EAST.

AT THIS TIME...RAIN IS NOT EXPECTED TO BECOME EXCESSIVE...AND ANY
SEVERE WEATHER WILL BE SPOTTY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV/LZK.

46

In the hours before

Special weather statement, May 24, 12:30 PM CDT, 3 hours 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1230 PM CDT TUE MAY 24 2016

ARZ006-241815-
FULTON AR-
1230 PM CDT TUE MAY 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN FULTON COUNTY UNTIL
115 PM CDT...

AT 1230 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR VIOLA...OR 13 MILES WEST OF SALEM IN FULTON COUNTY...MOVING
NORTHEAST AT 20 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
VIOLA...               FLINT SPRINGS...       STURKIE...
MOKO...                GEPP...                VIDETTE...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3644 9167 3632 9208 3641 9214 3650 9203
      3650 9171
TIME...MOT...LOC 1730Z 237DEG 17KT 3639 9206

44

Special weather statement, May 24, 1:52 PM CDT, 1 hour 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
152 PM CDT TUE MAY 24 2016

ARZ003-004-241915-
BOONE AR-MARION AR-
152 PM CDT TUE MAY 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MARION AND
NORTHEASTERN BOONE COUNTIES UNTIL 215 PM CDT...

AT 152 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
DIAMOND CITY...OR 18 MILES WEST OF BULL SHOALS...MOVING NORTHEAST AT
40 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
DIAMOND CITY...        LEAD HILL...           OZARK ISLE...
WININGTON...           PRICE PLACE...         SOUTH LEAD HILL...
MONARCH...             OAKLAND...             PEEL...

LAT...LON 3647 9253 3644 9253 3633 9294 3649 9303
      3650 9301 3650 9255
TIME...MOT...LOC 1852Z 244DEG 34KT 3645 9290

53

Local storm report, May 24, 2:35 PM CDT, 1 hour 14 minutes before

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Special weather statement, May 24, 3:31 PM CDT, 18 minutes before

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Special weather statement, May 24, 3:34 PM CDT, 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
334 PM CDT TUE MAY 24 2016

ARZ012-013-021>023-242100-
JOHNSON AR-SEARCY AR-VAN BUREN AR-NEWTON AR-POPE AR-
334 PM CDT TUE MAY 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL VAN BUREN...
NORTHEASTERN JOHNSON...SOUTHERN NEWTON...SOUTHWESTERN SEARCY AND
NORTHERN POPE COUNTIES UNTIL 400 PM CDT...

AT 333 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
ROSETTA...OR 15 MILES NORTH OF CLARKSVILLE...MOVING NORTHEAST AT 55
MPH.

SMALL HAIL FROM PEA TO HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH
WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CLARKSVILLE...         LAMAR...               ROSETTA...
SMYRNA...              BERTHA...              WITTS SPRING...
DEVILS KNOB...         WALNUT...              HOLMAN...
DILLEN...              SOLO...                MOORE...
BROOMFIELD...          BEN HUR...             FORT DOUGLAS...
BROCK CREEK CAMPGROU...
TREAT...               WAYTON...
SAND GAP...            MOUNTAIN MAN TRAILHE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3588 9283 3549 9278 3546 9350 3588 9342
      3594 9329
TIME...MOT...LOC 2033Z 240DEG 49KT 3567 9337

59

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 5:13 AM CDT	Special Weather Statement	LZK	Independence	32 min
May 24, 12:30 PM CDT	Special Weather Statement	LZK	Fulton	45 min
May 24, 12:41 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	19 min
May 24, 1:52 PM CDT	Special Weather Statement	LZK	Marion	23 min
May 24, 2:56 PM CDT	Severe Thunderstorm Warning	LZK	Boone, Marion, Newton	34 min
May 24, 3:31 PM CDT	Special Weather Statement	LZK	Boone	29 min
May 24, 3:34 PM CDT	Special Weather Statement	LZK	Johnson, Newton	26 min
May 24, 3:37 PM CDT	Severe Thunderstorm Warning	LZK	Boone, Marion, Newton, Searcy	53 min
May 24, 4:11 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton, Pope	34 min
May 24, 4:14 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Marion, Searcy, Stone	31 min
May 24, 4:28 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Sharp	32 min
May 24, 4:39 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Izard, Stone	25 min
May 24, 4:41 PM CDT	Special Weather Statement	LZK	Searcy	34 min
May 24, 4:59 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Pope	31 min
May 24, 5:03 PM CDT	Special Weather Statement	LZK	Izard, Stone	42 min
May 24, 5:12 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson, Sharp	33 min
May 24, 5:18 PM CDT	Special Weather Statement	LZK	Searcy, Van Buren	42 min
May 24, 5:38 PM CDT	Special Weather Statement	LZK	Pope	37 min
May 24, 5:44 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Van Buren	31 min
May 24, 6:15 PM CDT	Special Weather Statement	LZK	Conway	45 min
May 24, 6:35 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Pope	25 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2016 Every severe thunderstorm warning in 2016

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.