Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 52, NWS Little Rock, AR

April 3, 2018Logan County, Scott County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 3, 2018, 2:23 PM CDT for Logan County, Scott County, Arkansas. It was in force for 52 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: Apr 3, 2018, 2:23 PM CDT (19:23 UTC)
Expired: Apr 3, 2018, 3:15 PM CDT
In force: 52 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Logan County, AR, Scott County, AR

The radar

The Western Arkansas radar (KSRX), 51 km from the middle of the area, began a volume at 19:22 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
Apr 3, 1:33 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.4 hours before the alert went out and 207 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: 893 J/kg
Mixed-layer CIN: -325 J/kg
Mixed-layer LCL: 584 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 514 m²/s²
0-3 km storm-relative helicity: 499 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 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 Apr 3, 12:40 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Apr 3, 12:40 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Apr 3, 4:53 AM CDT, 9 hours 30 minutes before

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In the hours before

Special weather statement, Apr 3, 2:03 PM CDT, 20 minutes before

Special Weather Statement
National Weather Service Little Rock AR
203 PM CDT TUE APR 3 2018

ARZ012-021-031945-
Johnson AR-Newton AR-
203 PM CDT TUE APR 3 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL JOHNSON AND NEWTON
COUNTIES UNTIL 245 PM CDT...

At 203 PM CDT, Doppler radar was tracking a strong thunderstorm near
Upper Buffalo Wilderness Area, or 16 miles southeast of Huntsville,
moving east at 40 mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Jasper...                         Carver...
Erbie...                          Upper Buffalo Wilderness Area...
Lost Valley State Park...         Piercetown...
Walnut...                         Pruitt...
Marble Falls...                   Crossroad...
Fallsville...                     Swain...
Gum Springs in Newton County...   Nail...
Arbaugh...                        Ponca...
Hasty...                          Lurton...
Mossville...                      Wayton...

A tornado watch remains in effect until 800 PM CDT for western and
north central Arkansas.

LAT...LON 3611 9303 3574 9304 3573 9365 3577 9365
      3576 9352 3588 9352 3588 9351 3592 9351
      3593 9349 3595 9349 3597 9345 3608 9345
      3608 9348 3613 9348
TIME...MOT...LOC 1903Z 267DEG 33KT 3592 9353

55

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 9:00 PM CDT	Wind Advisory	LZK	Arkansas, Desha, Drew, Jackson, Jefferson, Lincoln and 5 more	22 hr
Apr 3, 3:46 AM CDT	Freeze Warning	LZK	Baxter, Cleburne, Fulton, Independence, Izard, Marion and 2 more	29 hr
Apr 3, 2:03 PM CDT	Special Weather Statement	LZK	Newton	42 min
Apr 3, 2:11 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Yell	49 min
Apr 3, 2:30 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope	45 min
Apr 3, 2:47 PM CDT	Severe Thunderstorm Warning	LZK	Polk, Scott	28 min
Apr 3, 2:50 PM CDT	Severe Thunderstorm Warning	LZK	Polk	40 min
Apr 3, 2:52 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Marion, Newton, Searcy, Stone	38 min
Apr 3, 3:16 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Pope, Searcy, Van Buren	29 min
Apr 3, 3:25 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk, Scott	35 min
Apr 3, 3:28 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Izard, Marion, Searcy, Stone	32 min
Apr 3, 3:28 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk	47 min
Apr 3, 3:40 PM CDT	Tornado Warning	LZK	Baxter, Izard, Stone	35 min
Apr 3, 3:43 PM CDT	Severe Thunderstorm Warning	LZK	Pope, Van Buren	32 min
Apr 3, 3:50 PM CDT	Severe Thunderstorm Warning	LZK	Perry, Saline	25 min
Apr 3, 3:54 PM CDT	Special Weather Statement	LZK	Montgomery	51 min
Apr 3, 4:02 PM CDT	Tornado Warning	LZK	Stone, Van Buren	28 min
Apr 3, 4:06 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Izard, Sharp	24 min
Apr 3, 4:13 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Van Buren	32 min
Apr 3, 4:13 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Pike	32 min
Apr 3, 4:20 PM CDT	Tornado Warning	LZK	Cleburne, Stone, Van Buren	25 min
Apr 3, 4:26 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Hot Spring	21 min
Apr 3, 4:27 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Sharp	33 min
Apr 3, 4:35 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Stone	25 min
Apr 3, 4:38 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Pulaski	19 min
Apr 3, 4:42 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Hot Spring, Montgomery	48 min
Apr 3, 4:44 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Faulkner, Van Buren, White	31 min
Apr 3, 4:45 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski, Saline	45 min
Apr 3, 4:54 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke	36 min
Apr 3, 4:54 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Stone	36 min
Apr 3, 5:02 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Hot Spring	28 min
Apr 3, 5:11 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, White	34 min
Apr 3, 5:13 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson	32 min
Apr 3, 5:18 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie	27 min
Apr 3, 5:23 PM CDT	Special Weather Statement	LZK	Jefferson	52 min
Apr 3, 5:23 PM CDT	Tornado Warning	LZK	Cleburne, Jackson, White	37 min
Apr 3, 5:28 PM CDT	Tornado Warning	LZK	Jackson	19 min
Apr 3, 5:45 PM CDT	Tornado Warning	LZK	Independence, Jackson, White, Woodruff	30 min
Apr 3, 5:46 PM CDT	Severe Thunderstorm Warning	LZK	Monroe, Prairie, Woodruff	29 min
Apr 3, 5:58 PM CDT	Tornado Warning	LZK	Jackson, Woodruff	32 min
Apr 3, 6:13 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Desha, Lincoln, Monroe	14 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.