Alert archive / Mississippi / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 150, NWS Jackson, MS

May 16, 2010Claiborne County, Warren County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 16, 2010, 10:43 PM CDT for Claiborne County, Warren County, Mississippi. It was in force for 47 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, 2010, 10:43 PM CDT (03:43 UTC)
Expired: May 16, 2010, 11:30 PM CDT
In force: 47 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Claiborne County, MS, Warren County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 85 km from the middle of the area, began a volume at 03:44 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

Jackson, MS (KJAN), launched 00:00Z, 3.7 hours before the alert went out and 77 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: 1191 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 900 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

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 16, 9:50 PM CDT, 53 minutes earlier.

Area forecast discussion, May 16, 9:50 PM CDT, 53 minutes before

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Hazardous weather outlook, May 16, 9:26 PM CDT, 1 hour 17 minutes before

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In the hours before

Local storm report, May 16, 7:38 PM CDT, 3 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
738 PM CDT SUN MAY 16 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0737 PM     TSTM WND DMG     GREENVILLE              33.39N 91.05W
05/16/2010                   WASHINGTON         MS   EMERGENCY MNGR

            15 POWER POLES WERE BLOWN DOWN AT GREENVILLE AIRPORT.

&&

17

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 7:09 PM CDT	Severe Thunderstorm Warning	JAN	Washington	47 min
May 16, 7:34 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Sunflower	18 min
May 16, 7:57 PM CDT	Flash Flood Warning	JAN	Sunflower, Washington	2 hr
May 17, 5:16 AM CDT	Severe Thunderstorm Warning	JAN	Adams	59 min
May 16, 8:07 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse	38 min
May 16, 8:44 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse, West Carroll	46 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.