Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 103, NWS Little Rock, AR

May 3, 20186 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 3, 2018, 3:36 PM CDT for 6 counties in Arkansas. It was in force for 39 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 3, 2018, 3:36 PM CDT (20:36 UTC)
Expired: May 3, 2018, 4:15 PM CDT
In force: 39 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cleburne County, AR, Independence County, AR, Jackson County, AR, Sharp County, AR, Stone County, AR, White County, AR

The radar

The Little Rock radar (KLZK), 108 km from the middle of the area, began a volume at 20:40 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 3, 1:44 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 8.6 hours before the alert went out and 186 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1346 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 113 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 3, 2:45 PM CDT, 51 minutes earlier.

Area forecast discussion, May 3, 2:45 PM CDT, 51 minutes before

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Hazardous weather outlook, May 3, 2:47 PM CDT, 49 minutes before

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In the hours before

Local storm report, May 3, 2:09 PM CDT, 1 hour 27 minutes before

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Special weather statement, May 3, 2:17 PM CDT, 1 hour 19 minutes before

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Local storm report, May 3, 2:50 PM CDT, 46 minutes before

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Special weather statement, May 3, 2:55 PM CDT, 41 minutes before

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Special weather statement, May 3, 3:09 PM CDT, 27 minutes before

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Special weather statement, May 3, 3:18 PM CDT, 18 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 3, 1:37 AM CDT	Special Weather Statement	LZK	Van Buren	23 min
May 3, 1:49 AM CDT	Special Weather Statement	LZK	Boone	41 min
May 3, 2:30 AM CDT	Special Weather Statement	LZK	Johnson, Newton	45 min
May 3, 2:43 AM CDT	Special Weather Statement	LZK	Baxter, Marion	47 min
May 3, 3:27 AM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton, Izard	48 min
May 3, 9:38 AM CDT	Special Weather Statement	LZK	Johnson, Newton	37 min
May 3, 11:02 AM CDT	Special Weather Statement	LZK	Searcy	43 min
May 3, 11:34 AM CDT	Special Weather Statement	LZK	Sharp	56 min
May 3, 11:44 AM CDT	Special Weather Statement	LZK	Searcy	61 min
May 3, 12:12 PM CDT	River Flood Warning	LZK	Independence, Jackson, Lawrence	9 days
May 3, 12:14 PM CDT	Special Weather Statement	LZK	Fulton	61 min
May 3, 12:37 PM CDT	Special Weather Statement	LZK	Scott	38 min
May 3, 12:59 PM CDT	Special Weather Statement	LZK	Logan	46 min
May 3, 1:03 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Scott, Yell	42 min
May 3, 1:12 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan	48 min
May 3, 1:15 PM CDT	Tornado Warning	LZK	Johnson, Logan	29 min
May 3, 1:35 PM CDT	Special Weather Statement	LZK	Yell	40 min
May 3, 1:38 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope, Scott, Yell	30 min
May 3, 2:07 PM CDT	Special Weather Statement	LZK	Conway, Pope, Van Buren	38 min
May 3, 2:17 PM CDT	Special Weather Statement	LZK	Conway, Perry	43 min
May 3, 2:55 PM CDT	Special Weather Statement	LZK	Faulkner, Pulaski	50 min
May 3, 3:09 PM CDT	Special Weather Statement	LZK	Cleburne	51 min
May 3, 3:18 PM CDT	Special Weather Statement	LZK	Faulkner, White	42 min
May 3, 3:27 PM CDT	Areal Flood Advisory	LZK	Newton	3 hr
May 3, 3:48 PM CDT	Special Weather Statement	LZK	Jackson, White	42 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2018 Every severe thunderstorm warning in 2018

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.