Alert archive / Louisiana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 243, NWS Jackson, MS

June 17, 2019Warren County, Mississippi; Madison Parish, Tensas Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Jun 17, 2019, 1:40 PM CDT for Warren County, Mississippi; Madison Parish, Tensas Parish, Louisiana. It was in force for 43 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
Jun 17, 2019, 1:40 PM CDT (18:40 UTC)
Expired
Jun 17, 2019, 2:23 PM CDT
In force
43 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Madison Parish, LA, Tensas Parish, LA, Warren County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 109 km from the middle of the area, began a volume at 18:43 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 12:00Z, 6.7 hours before the alert went out and 101 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2019-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 170 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2019-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
170 J/kg
Mixed-layer CIN
-227 J/kg
Mixed-layer LCL
1248 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
104 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 Jun 17, 12:50 PM CDT, 50 minutes earlier.

Area forecast discussion, Jun 17, 12:50 PM CDT, 50 minutes before
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Hazardous weather outlook, Jun 17, 8:28 AM CDT, 5 hours 12 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Jackson MS
828 AM CDT Mon Jun 17 2019

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
181330-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar-
Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-
Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala-Winston-
Noxubee-Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper-
Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah-
Simpson-Smith-Jasper-Clarke-Jefferson-Adams-Franklin MS-Lincoln-
Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
828 AM CDT Mon Jun 17 2019

This hazardous weather outlook is for portions of southeast
Arkansas, northeast Louisiana, and central and south Mississippi.

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...This afternoon through early this evening

Isolated severe storms, capable of producing damaging wind gusts,
are possible this afternoon through early this evening.

(https://www.weather.gov/images/jan/graphicast/1.png)

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Isolated severe thunderstorms are possible for extreme southeast
Arkansas, portions of northwest and north central Mississippi, and
portions of northeast Louisiana Wednesday through Wednesday
night. The primary hazards will be damaging wind gusts and large
hail.

(https://www.weather.gov/images/jan/graphicast/2.png)

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region today and
Wednesday through Wednesday night.

DL

&&

...HAZARD LEGEND...

*SEVERE THUNDERSTORMS*
High...Significant severe thunderstorms are expected.
Moderate...Severe storms expected with significant
 severe weather possible.
Enhanced...Severe storms expected.
Slight...Severe storms possible.
Marginal...Isolated severe storms possible.

...USEFUL WEATHER WEB PAGES (URLS)...

NWS JAN Home page...
   https://www.weather.gov/jan
Stay Aware, Stay Safe NWS JAN Briefing Page...
   https://www.weather.gov/jan/safe
Latest Weather Briefing...
   https://www.weather.gov/jan/weather_briefing

Tropical page...
   https://www.weather.gov/srh/tropical?office=jan
National Hurricane Center Home Page...
   https://www.nhc.noaa.gov/
Find NWS JAN on Facebook...
   https://www.facebook.com/NWSJacksonMS
Follow NWS JAN on Twitter...
   @NWSJacksonMS
Follow NWS JAN on Youtube...
   https://www.youtube.com/user/NWSJacksonMiss

...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES...

Storm Prediction Center (SPC)...
   https://www.spc.noaa.gov/
Meso Analysis...
   https://www.spc.noaa.gov/exper/mesoanalysis/
Day 1 through 3 Outlooks...
   https://www.spc.noaa.gov/products/outlook/
Storm Reports...
   https://www.spc.noaa.gov/climo/online/

In the hours before

Special weather statement, Jun 17, 12:05 PM CDT, 1 hour 35 minutes before
Special Weather Statement
National Weather Service Jackson MS
1205 PM CDT Mon Jun 17 2019

MSZ061-171745-
Franklin MS-
1205 PM CDT Mon Jun 17 2019

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL FRANKLIN COUNTY UNTIL
1245 PM CDT...

At 1204 PM CDT, Meteorologists were tracking a strong thunderstorm
near Bude, or 18 miles northwest of Liberty, moving northeast at 25
mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Bude and Kirby around 1220 PM CDT.
  New Hope around 1235 PM CDT.

Other locations impacted by this storm include Meadville.

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.

&&

LAT...LON 3161 9098 3161 9066 3135 9080 3135 9098
      3134 9099 3134 9100 3135 9101 3135 9102
      3134 9103 3133 9106 3134 9106 3133 9107
TIME...MOT...LOC 1704Z 206DEG 23KT 3140 9094

TW
Special weather statement, Jun 17, 12:29 PM CDT, 1 hour 11 minutes before
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Special weather statement, Jun 17, 12:55 PM CDT, 45 minutes before
Special Weather Statement
National Weather Service Jackson MS
1255 PM CDT Mon Jun 17 2019

MSZ043-171830-
Madison MS-
1255 PM CDT Mon Jun 17 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN MADISON COUNTY
UNTIL 130 PM CDT...

At 1254 PM CDT, Meteorologists were tracking a strong thunderstorm
near Brownsville, or 13 miles northwest of Clinton, moving northeast
at 15 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

This storm will remain over mainly rural areas of southwestern
Madison County.

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.

&&

LAT...LON 3257 9031 3249 9039 3249 9045 3258 9045
TIME...MOT...LOC 1754Z 218DEG 11KT 3251 9044

27
Special weather statement, Jun 17, 1:03 PM CDT, 37 minutes before
Special Weather Statement
National Weather Service Jackson MS
103 PM CDT Mon Jun 17 2019

MSZ062-171830-
Lincoln MS-
103 PM CDT Mon Jun 17 2019

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN LINCOLN COUNTY
UNTIL 130 PM CDT...

At 103 PM CDT, Meteorologists were tracking a strong thunderstorm
near Brookhaven, moving north at 20 mph.

Winds in excess of 40 mph will be possible with this storm.

This strong thunderstorm will be near...
  Brookhaven around 115 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.

&&

LAT...LON 3147 9037 3150 9056 3167 9045 3168 9026
TIME...MOT...LOC 1803Z 194DEG 19KT 3154 9046

27
Special weather statement, Jun 17, 1:23 PM CDT, 17 minutes before
Special Weather Statement
National Weather Service Jackson MS
123 PM CDT Mon Jun 17 2019

LAZ025-MSZ047-053-171900-
Tensas LA-Warren MS-Claiborne MS-
123 PM CDT Mon Jun 17 2019

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL TENSAS PARISH...
SOUTH CENTRAL WARREN AND CENTRAL CLAIBORNE COUNTIES UNTIL 200 PM
CDT...

At 123 PM CDT, Meteorologists were tracking a strong thunderstorm
near Alcorn, or 29 miles southwest of Vicksburg, moving northeast at
30 mph.

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

This strong thunderstorm will be near...
  Port Gibson around 130 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.

&&

LAT...LON 3212 9113 3213 9105 3212 9105 3212 9103
      3214 9100 3217 9086 3201 9090 3188 9106
      3193 9125
TIME...MOT...LOC 1823Z 210DEG 27KT 3196 9112

27

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 9:08 PM CDTSpecial Weather StatementJANKemper37 min
Jun 17, 12:05 PM CDTSpecial Weather StatementJANFranklin40 min
Jun 17, 12:29 PM CDTSpecial Weather StatementJANJefferson46 min
Jun 17, 12:36 PM CDTSevere Thunderstorm WarningJANClaiborne, Copiah, Franklin, Jefferson, Lincoln54 min
Jun 17, 12:55 PM CDTSpecial Weather StatementJANYazoo35 min
Jun 17, 1:03 PM CDTSpecial Weather StatementJANLincoln27 min
Jun 17, 1:07 PM CDTSevere Thunderstorm WarningJANClaiborne, Copiah, Hinds, Warren53 min
Jun 17, 1:23 PM CDTSpecial Weather StatementJANClaiborne37 min
Jun 17, 1:33 PM CDTSevere Thunderstorm WarningJANLawrence, Lincoln46 min
Jun 17, 1:57 PM CDTSevere Thunderstorm WarningJANHinds, Issaquena, Madison, Warren, Yazoo63 min
Jun 17, 2:01 PM CDTTornado Warning Tornado observedJANHinds10 min
Jun 17, 2:40 PM CDTSevere Thunderstorm WarningJANLeake, Madison, Rankin, Scott53 min
Jun 17, 3:14 PM CDTSpecial Weather StatementJANWinston31 min
Jun 17, 3:33 PM CDTSpecial Weather StatementJANAttala27 min
Jun 17, 3:59 PM CDTSpecial Weather StatementJANOktibbeha31 min
Jun 17, 4:07 PM CDTSpecial Weather StatementJANWinston23 min
Jun 17, 4:29 PM CDTSevere Thunderstorm WarningJANBolivar, Leflore, Sunflower39 min
Jun 17, 4:36 PM CDTFlash Flood WarningJANOktibbeha, Winston114 min
Jun 17, 4:53 PM CDTSevere Thunderstorm WarningJANClay, Lowndes, Oktibbeha45 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2019Severe Thunderstorm Warnings in Mississippi, 2019Every 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.