Alert archive / Arkansas / Tornado Warnings in 2020

Tornado Warning 31, NWS Little Rock, AR

May 16, 2020Clark County, Pike County, Arkansas

NWS Little Rock, AR issued this tornado warning at May 16, 2020, 6:50 PM CDT for Clark County, Pike County, Arkansas. It was in force for 25 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 16, 2020, 6:50 PM CDT (23:50 UTC)
Expired: May 16, 2020, 7:15 PM CDT
In force: 25 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

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 23:55 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 16, 3:27 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.8 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: 144 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 699 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at May 16, 6:46 PM CDT, 4 minutes earlier.

Area forecast discussion, May 16, 6:46 PM CDT, 4 minutes before

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Hazardous weather outlook, May 16, 3:05 PM CDT, 3 hours 45 minutes before

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In the hours before

Local storm report, May 16, 6:05 PM CDT, 45 minutes before

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Local storm report, May 16, 6:43 PM CDT, 7 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 15, 7:11 PM CDT	Special Weather Statement	LZK	Garland, Hot Spring	49 min
May 15, 7:40 PM CDT	Special Weather Statement	LZK	Clark	35 min
May 15, 8:15 PM CDT	Special Weather Statement	LZK	Clark, Dallas, Hot Spring	45 min
May 15, 9:04 PM CDT	Special Weather Statement	LZK	Saline	41 min
May 16, 9:01 AM CDT	River Flood Advisory	LZK	Perry	36 hr
May 16, 2:36 PM CDT	River Flood Warning	LZK	Yell	3 days
May 16, 3:51 PM CDT	Tornado Warning	LZK	Pulaski	24 min
May 16, 4:45 PM CDT	Flash Flood Watch	LZK	Baxter, Clark, Cleburne, Conway, Faulkner, Fulton and 11 more	16 hr
May 16, 5:40 PM CDT	Flash Flood Warning	LZK	Conway, Faulkner	2 hr
May 16, 6:47 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Pike	43 min

Nearby

Tornado Warnings in Arkansas, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.