Alert archive / Arkansas / Special Weather Statements in 2016

Special Weather Statement, NWS Jackson, MS

May 1, 2016Ashley County, Arkansas

NWS Jackson, MS issued this special weather statement at May 1, 2016, 7:39 PM CDT for Ashley County, Arkansas. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 1, 2016, 7:39 PM CDT (00:39 UTC)
Expired: May 1, 2016, 8:15 PM CDT
In force: 36 min
Issued by: NWS Jackson, MS

County Ashley County, AR

The radar

The Little Rock radar (KLZK), 178 km from the middle of the area, began a volume at 00:42 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, 0.7 hours before the alert went out and 181 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

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 1, 4:44 PM CDT, 2 hours 55 minutes earlier.

Area forecast discussion, May 1, 4:44 PM CDT, 2 hours 55 minutes before

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Hazardous weather outlook, May 1, 2:06 PM CDT, 5 hours 33 minutes before

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In the hours before

Local storm report, May 1, 2:10 PM CDT, 5 hours 29 minutes before

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Special weather statement, May 1, 7:11 PM CDT, 28 minutes before

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Special weather statement, May 1, 7:39 PM CDT, 0 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 1, 7:11 PM CDT	Special Weather Statement	JAN	Bolivar	49 min
May 2, 4:26 AM CDT	Special Weather Statement	JAN	Coahoma	49 min
May 2, 6:59 AM CDT	Special Weather Statement	JAN	Bolivar	46 min
May 2, 7:07 AM CDT	Special Weather Statement	JAN	Sunflower	38 min
May 2, 3:14 PM CDT	Special Weather Statement	JAN	Kemper	31 min
May 2, 3:16 AM CDT	Special Weather Statement	JAN	Ashley	59 min
May 2, 6:17 AM CDT	Special Weather Statement	JAN	Ashley	43 min

Nearby

Special Weather Statements in Arkansas, 2016 Every special weather statement 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.