Alert archive / Arkansas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 103, NWS Little Rock, AR

May 2, 2016Clark County, Pike County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 2, 2016, 2:45 AM CDT for Clark County, Pike County, Arkansas. It was in force for 45 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 2, 2016, 2:45 AM CDT (07:45 UTC)
Expired: May 2, 2016, 3:30 AM CDT
In force: 45 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Clark County, AR, Pike County, AR

The radar

The Little Rock radar (KLZK), 133 km from the middle of the area, began a volume at 07:48 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 nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 7.8 hours before the alert went out and 184 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: 767 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 1159 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.4

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 1, 6:59 PM CDT, 7 hours 46 minutes earlier.

Area forecast discussion, May 1, 6:59 PM CDT, 7 hours 46 minutes before

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Hazardous weather outlook, May 1, 5:00 AM CDT, 21 hours 45 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT SUN MAY 1 2016

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-021000-
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 SUN MAY 1 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...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

DUE TO HEAVY RAIN RECENTLY...THERE WILL BE MINOR TO MODERATE
FLOODING ON MAINLY THE CACHE AND OUACHITA RIVERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

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

46

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 7:43 PM CDT	Special Weather Statement	LZK	Bradley	17 min
May 1, 8:11 PM CDT	Special Weather Statement	LZK	Bradley	34 min
May 2, 2:41 AM CDT	Special Weather Statement	LZK	Pike	49 min
May 2, 2:50 AM CDT	Severe Thunderstorm Warning	LZK	Bradley	25 min
May 2, 3:27 AM CDT	Special Weather Statement	LZK	Clark	48 min
May 2, 5:39 AM CDT	Special Weather Statement	LZK	Arkansas, Desha, Lincoln	66 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.