Alert archive / Mississippi / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 332, NWS Jackson, MS

August 9, 2019Sunflower County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 9, 2019, 4:19 PM CDT for Sunflower County, Mississippi. 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: Aug 9, 2019, 4:19 PM CDT (21:19 UTC)
Expired: Aug 9, 2019, 4:45 PM CDT
In force: 26 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Sunflower County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 157 km from the middle of the area, began a volume at 21:21 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 12:00Z, 9.3 hours before the alert went out and 149 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: 1233 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 16 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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 9, 3:27 PM CDT, 52 minutes earlier.

Area forecast discussion, Aug 9, 3:27 PM CDT, 52 minutes before

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Hazardous weather outlook, Aug 9, 3:41 PM CDT, 38 minutes before

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In the hours before

Special weather statement, Aug 9, 1:28 PM CDT, 2 hours 51 minutes before

Special Weather Statement
National Weather Service Jackson MS
128 PM CDT Fri Aug 9 2019

MSZ033-038-091900-
Oktibbeha MS-Winston MS-
128 PM CDT Fri Aug 9 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN OKTIBBEHA AND
NORTHEASTERN WINSTON COUNTIES UNTIL 200 PM CDT...

At 127 PM CDT, Meteorologists were tracking a strong thunderstorm
near Craig Springs, or 10 miles southwest of Starkville, moving east
at 20 mph.

Wind gusts up to 50 mph will be possible with this storm.

This strong thunderstorm will be near...
  Longview around 130 PM CDT.
  Craig Springs around 135 PM CDT.
  Starkville around 140 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3329 8881 3321 8881 3331 8905 3342 8902
      3342 8877
TIME...MOT...LOC 1827Z 283DEG 16KT 3336 8895

NF

Special weather statement, Aug 9, 1:48 PM CDT, 2 hours 31 minutes before

Special Weather Statement
National Weather Service Jackson MS
148 PM CDT Fri Aug 9 2019

MSZ039-091915-
Noxubee MS-
148 PM CDT Fri Aug 9 2019

...A STRONG THUNDERSTORM WILL AFFECT WESTERN NOXUBEE COUNTY UNTIL 215
PM CDT...

At 148 PM CDT, Meteorologists were tracking a strong thunderstorm
over Mashulaville, or 17 miles north of Preston, moving east at 15
mph.

Wind gusts up to 50 mph will be possible with this storm.

This strong thunderstorm will be near...
  Macon around 215 PM CDT.

Other locations impacted by this storm include Mashulaville and
Shuqualak.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3293 8857 3300 8881 3311 8882 3323 8880
      3321 8846
TIME...MOT...LOC 1848Z 289DEG 15KT 3312 8872

NF

Special weather statement, Aug 9, 2:47 PM CDT, 1 hour 32 minutes before

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Local storm report, Aug 9, 3:06 PM CDT, 1 hour 13 minutes before

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Special weather statement, Aug 9, 3:22 PM CDT, 57 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
Aug 9, 1:28 PM CDT	Special Weather Statement	JAN	Oktibbeha	32 min
Aug 9, 1:48 PM CDT	Special Weather Statement	JAN	Noxubee	27 min
Aug 9, 1:59 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	46 min
Aug 9, 2:47 PM CDT	Special Weather Statement	JAN	Lowndes	43 min
Aug 9, 3:22 PM CDT	Special Weather Statement	JAN	Washington	53 min
Aug 9, 4:43 PM CDT	Special Weather Statement	JAN	Sunflower	32 min
Aug 9, 5:12 PM CDT	Special Weather Statement	JAN	Bolivar	33 min
Aug 9, 5:34 PM CDT	Special Weather Statement	JAN	Leflore	41 min
Aug 9, 5:36 PM CDT	Special Weather Statement	JAN	Bolivar	39 min
Aug 9, 6:18 PM CDT	Special Weather Statement	JAN	Grenada	42 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2019 Every severe thunderstorm warning in 2019

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.