Alert archive / Arkansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 159, NWS Jackson, MS

May 19, 2010Ashley County, Arkansas

NWS Jackson, MS issued this severe thunderstorm warning at May 19, 2010, 7:35 PM CDT for Ashley 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 19, 2010, 7:35 PM CDT (00:35 UTC)
Expired: May 19, 2010, 8:01 PM CDT
In force: 26 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Ashley County, AR

The radar

The Little Rock radar (KLZK), 189 km from the middle of the area, began a volume at 00:36 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

Little Rock, AR (KLZK), launched 00:00Z, 0.6 hours before the alert went out and 248 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: 7 J/kg
Mixed-layer CIN: -368 J/kg
Mixed-layer LCL: 1125 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 279 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at May 19, 7:30 PM CDT, 5 minutes earlier.

Area forecast discussion, May 19, 7:30 PM CDT, 5 minutes before

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Hazardous weather outlook, May 19, 7:25 PM CDT, 10 minutes before

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In the hours before

Special weather statement, May 19, 3:35 PM CDT, 4 hours before

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Special weather statement, May 19, 4:29 PM CDT, 3 hours 6 minutes before

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Special weather statement, May 19, 6:00 PM CDT, 1 hour 35 minutes before

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Special weather statement, May 19, 6:32 PM CDT, 1 hour 3 minutes before

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Special weather statement, May 19, 6:45 PM CDT, 50 minutes before

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Local storm report, May 19, 7:28 PM CDT, 7 minutes before

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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 19, 9:05 PM CDT	Severe Thunderstorm Warning	JAN	Washington	18 min
May 20, 11:35 AM CDT	River Flood Warning	JAN	Claiborne, Jefferson, Warren	6 days
May 20, 11:52 AM CDT	Severe Thunderstorm Warning	JAN	Leake, Neshoba, Winston	53 min
May 20, 1:00 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Oktibbeha	45 min
May 20, 1:06 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Humphreys, Leflore	39 min
May 20, 1:08 PM CDT	Severe Thunderstorm Warning	JAN	Newton, Scott	52 min
May 20, 2:12 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Leake, Madison, Yazoo	63 min
May 20, 2:19 PM CDT	Severe Thunderstorm Warning	JAN	Jones	41 min
May 20, 2:28 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	32 min
May 20, 3:09 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	51 min
May 20, 3:28 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	30 min
May 20, 3:31 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	32 min
May 20, 3:50 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	25 min
May 20, 4:02 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	58 min
May 20, 4:02 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba	44 min
May 20, 4:27 PM CDT	Severe Thunderstorm Warning	JAN	Jones	48 min
May 20, 4:40 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Jefferson Davis, Lawrence, Simpson	65 min
May 20, 4:56 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Simpson	34 min
May 20, 4:58 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Smith	50 min
May 20, 5:14 PM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	46 min
May 20, 5:15 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	31 min
May 20, 5:52 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Jones, Smith	38 min
May 20, 6:55 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Warren	49 min
May 20, 5:40 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Franklin, Madison, Morehouse, Richland, Tensas and 1 more	80 min
May 20, 5:45 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Franklin, Tensas	60 min
May 20, 6:39 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Franklin, Tensas	49 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2010 Every severe thunderstorm warning in 2010

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.