Alert archive / Louisiana / Tornado Warnings in 2018

Tornado Warning 51, NWS Jackson, MS

June 22, 2018Franklin Parish, Richland Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Jun 22, 2018, 3:03 PM CDT for Franklin Parish, Richland Parish, Louisiana. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 22, 2018, 3:03 PM CDT (20:03 UTC)
Expired
Jun 22, 2018, 3:45 PM CDT
In force
42 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Franklin Parish, LA, Richland Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 145 km from the middle of the area, began a volume at 20:07 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.

What was reported inside it

TimeReportWhereRemark
Jun 22, 3:32 PM CDTHAIL 11 W Delhi, LAQUARTER SIZE HAIL REPORTED ON THE WEST SIDE OF DELHI.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 22, 10:55 AM CDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.1 hours before the alert went out and 136 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 2018-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1953 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 2018-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.193958Sfc1 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
1953 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
515 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

137 
WFUS54 KJAN 222003
TORJAN
LAC041-083-222045-
/O.NEW.KJAN.TO.W.0051.180622T2003Z-180622T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
303 PM CDT FRI JUN 22 2018

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern Richland Parish in northeastern Louisiana...
  Northeastern Franklin Parish in northeastern Louisiana...

* Until 345 PM CDT.
    
* At 302 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Holly Ridge, or near Rayville, moving east at 15
  mph.

  HAZARD...Tornado and half dollar size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Holly Ridge around 310 PM CDT.
  Warden around 330 PM CDT.
  Delhi around 340 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3257 9169 3257 9144 3254 9144 3253 9147
      3249 9149 3243 9147 3244 9148 3244 9149
      3240 9149 3237 9145 3235 9148 3236 9149
      3235 9150 3232 9148 3231 9151 3246 9174
TIME...MOT...LOC 2002Z 286DEG 15KT 3250 9166 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

EC
1 follow-up statement
254 
WWUS54 KJAN 222024
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
324 PM CDT FRI JUN 22 2018

LAC041-083-222045-
/O.CON.KJAN.TO.W.0051.000000T0000Z-180622T2045Z/
Richland LA-Franklin LA-
324 PM CDT FRI JUN 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR EAST
CENTRAL RICHLAND AND NORTHEASTERN FRANKLIN PARISHES...
    
At 323 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Holly Ridge, or 11 miles east of Rayville, moving
southeast at 20 mph.

HAZARD...Tornado and half dollar size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Delhi around 330 PM CDT.
  Bakers around 335 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3254 9162 3257 9144 3254 9144 3253 9147
      3249 9149 3243 9147 3244 9148 3244 9149
      3240 9149 3237 9145 3235 9148 3236 9149
      3235 9150 3232 9148 3231 9151 3239 9163
TIME...MOT...LOC 2023Z 295DEG 19KT 3242 9157 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

GG

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Jun 22, 12:35 PM CDT, 2 hours 28 minutes earlier.

Area forecast discussion, Jun 22, 12:35 PM CDT, 2 hours 28 minutes before
Area Forecast Discussion...UPDATED
National Weather Service Jackson MS
1235 PM CDT Fri Jun 22 2018

...SEVERE THUNDERSTORMS POSSIBLE TODAY ACROSS PORTIONS OF THE
REGION...

.UPDATE...
Updated for 18Z aviation discussion

&&

.AVIATION...
18Z TAF discussion:

Most ceilings (at least away from the midst of thunderstorm
activity) have improved to VFR at this point although there remain
lots of scattered to broken decks near or above 3 kft around the
region. Main thunderstorm activity is training southeast across SE
AR, NE LA, and SW MS, and will continue to do so through the
afternoon hours. Other pockets of more isolated storms will also
tend to pop up through the day. Any locations impacted by storms
could experience very gusty winds and temporary IFR conditions
through early this evening. Most activity will diminish by late
evening with low level ceiling issues, mainly in the VFR range,
expected to build in again late tonight in most areas. There is
potential for additional thunderstorm activity to approach from
the northwest late tonight and may impact GLH/GWO/CBM/GTR corridor
late tonight through Saturday morning. Otherwise, expect surface
winds away from thunderstorms to be mainly from the southwest at
10 to 15 mph and occasionally gusty. /BB/

&&

.DISCUSSION...

Morning discussion update:

As expected, complex convective evolution in progress this
morning within a background environment containing a rather
volatile combination of wind shear and instability. Main 850 mb
thetaE advection axis early this morning was driving strong to
severe thunderstorms into far northwestern zones (i.e., Ashley Co
AR) with activity tending to train and remain tied to this axis.
The potential for this process to repeat a few times in western
zones will remain into the afternoon and heightens the flash flood
risk in these areas. The HWO and graphics were updated to reflect
this thinking.

Recently, the somewhat organized and robust convective cluster
coming out of Ashley Co and Morehouse Parish LA has managed to
forward propagate downstream of mentioned thetaE axis and into
building low level instability over southwestern and central
zones. Thinking convection may struggle to maintain severe intensity
toward the Jackson Metro area, but ample wind shear (bulk deep
layer shear of 30+ kts) may allow kinematic boosting to ambient
instability pool potential. Further west, better instability
increases confidence of severe convection continuing downstream
into these areas into the afternoon hours. Also worth mentioning a
secondary axis of thunderstorms brushing far northern and
northeastern zones will be something to watch and severe (and
non-negligible flood) potential will be there at times. In these
northern areas the instability will not be as great (e.g., working
CAPE values mainly less than 2500 j/kg), but deep layer wind shear
could be 40+ kts plus, which is extremely impressive for this time
of year in this region.

The recently issued SVR Watch #197 basically outlines the best
risk for severe thunderstorms through late this afternoon,
focusing mainly on the southwest half of the area. Wind damage
will be the primary risk with severe storms, although hail cannot
be ruled out (particularly in NE LA). In addition, low level
shear vectors are lined up in such a way to make the possibility
of a brief spin up tornado non-zero.

Most of the activity should be diminishing or exiting between late
this afternoon and early this evening. There does remain some
potential for another potent cluster of storms to come in from the
northwest and impact at least northern zones late tonight through
early Saturday. Still a lot of uncertainty regarding this and we
will focus efforts with the afternoon forecast package to provide
more detail. /BB/

Prior discussion below:

Today and Tonight: Early morning water vapor imagery/RAP analysis
showed the circulation around a nearly stacked low over southern
Illinois with a shortwave nearing the Ozarks that will continue to
swing around the base of the low today. Surface analysis had the
associated cold front dropping over the Missouri bootheel and
extending southwest across southwest Arkansas into northeast Texas.
The shortwave is expected to help initiate convection along the cold
front later this morning. Models agree that this activity will
spread east southeast into our northwest most zones shortly
thereafter eventually spreading to the Highway 84 corridor by late
afternoon. Our tropical airmass with greater than two inch PWATs got
dry slotted yesterday but a moist airmass remains over the region as
GOES total PW imagery suggests PWATs continue around 1.6 inches over
our CWA early this morning. Surface observations also had mid 70F
dew points over our CWA. Although the storms will get an early
start in our north they should encounter an environment with MLCAPEs
in excess of 2000j/k. Considering the flow around the low to our
north contributing to deep layer bulk shear around 40 kts, the
environment will support the potential for severe storms with
damaging wind and hail being the main threats. Locally heavy
rainfall will also be possible and a brief tornado or two cannot be
ruled out.

The nearly stack low will move northeast toward the Ohio River
Valley tonight and weaken stranding the cold front to stall across
our northern zones this evening before drifting back north toward
morning. Most of the convection over our CWA will dissipate this
evening with the loss of daytime heating but, convection will linger
in proximity of the frontal boundary through the night. There are at
least a couple models that suggest a complex of storms may develop
tonight and track along the stalled front, possibly dropping into
our CWA prior to sunrise. Wl maintain a MARGINAL area in our HWO
across the Highway 82 corridor to account for this threat.
Otherwise, temperatures will be held close to normal today due to
the convection and cloud cover but Saturday morning lows will be
warmer than normal again. /22/

This weekend: As a mid/upper trough pulls northeastward away from
the area, a surface front stalled across east AR into north MS will
retreat northward, with a surface ridge building in along the Gulf
Coast. This will begin to confine convection north of the region as
capping increases from the south. However, there remains the
potential for a complex of storms to brush the northern fringe of
the CWA into early Saturday as suggested by the 00Z Euro and some
CAM solutions, so chance POPs were maintained into that time period.
Otherwise, with fewer clouds/showers, temps will tick up again this
weekend, and given the remaining moist airmass, heat stress will
become more of a concern. We'll continue mention in the HWO for heat
indices approaching 105 over most of the CWA on Saturday, also now
including Sunday as well. It is possible a heat advisory may be
needed eventually for some portion of the area.

Monday through Thursday: The surface ridge will begin to retreat
eastward, resulting in an increase in diurnal convection as our
region moves to the periphery of said ridge. Outside of the rain,
generally warmer conditions are expected as mid/upper heights
increase over the area. With a rather humid airmass remaining in
place, heat stress could continue to be a concern. However, the
greater potential for clouds/rain will create uncertainty over daily
peak apparent temps. Eventually, we may need to highlight a heat
stress risk on one of more of these days in the HWO/graphics/NPW.
/DL/

&&

.PRELIMINARY POINT TEMPS/POPS...
Jackson       88  73  93  74 /  55  38   7   3
Meridian      90  73  94  74 /  37  33  10   3
Vicksburg     88  74  93  74 /  72  34   7   3
Hattiesburg   93  74  94  74 /  22  22   7   4
Natchez       89  74  92  74 /  54  31   8   3
Greenville    85  73  91  75 /  74  27  30   8
Greenwood     84  73  91  74 /  63  30  38  11

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...None.
LA...None.
AR...None.

&&

DL/22/BB
Hazardous weather outlook, Jun 22, 10:23 AM CDT, 4 hours 40 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Jackson MS
1023 AM CDT Fri Jun 22 2018

ARZ074-231530-
Ashley-
1023 AM CDT Fri Jun 22 2018

This hazardous weather outlook is for portions of southeast
Arkansas.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Mainly remainder of today

FLOODING
THREAT...Elevated
TIMING...remainder of today

Severe thunderstorms capable of producing damaging wind gusts and
hail are possible today. A brief tornado cannot be ruled out as
well.

Isolated severe thunderstorms will also be possible late tonight,
with again the main threats being hail and damaging winds gusts.

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

Flash flooding is likely as rainfall totals today range from 2 to
5 inches with locally higher amounts.

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

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Maximum heat index values approaching 105 degrees are possible on
Saturday into early next week. This may result in elevated heat
stress levels.

(https://www.weather.gov/images/jan/graphicast/3.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 rest of
today through tonight.

ARZ075-MSZ018-019-025>039-231530-
Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-
Webster-Clay-Lowndes-Choctaw-Oktibbeha-Washington-Humphreys-
Holmes-Attala-Winston-Noxubee-
1023 AM CDT Fri Jun 22 2018

This hazardous weather outlook is for portions of southeast
Arkansas, central Mississippi, east central Mississippi, and
north central Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Mainly remainder of today

FLOODING
THREAT...Limited
TIMING...remainder of today

Severe thunderstorms capable of producing damaging wind gusts and
hail are possible today. A brief tornado cannot be ruled out as
well.

Isolated severe thunderstorms will also be possible late tonight,
with again the main threats being hail and damaging winds gusts.

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

Flash flooding is possible today as rainfall totals range from 1
to 3 inches with locally higher amounts.

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

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Maximum heat index values approaching 105 degrees are possible on
Saturday into early next week. This may result in elevated heat
stress levels.

(https://www.weather.gov/images/jan/graphicast/3.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 rest of
today through tonight.

LAZ007>009-015-016-023-025-MSZ040-047-231530-
Morehouse-West Carroll-East Carroll-Richland-Madison LA-
Franklin LA-Tensas-Issaquena-Warren-
1023 AM CDT Fri Jun 22 2018

This hazardous weather outlook is for portions of northeast
Louisiana, and west central Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...remainder of today

FLOODING
THREAT...Elevated
TIMING...remainder of today

Severe thunderstorms capable of producing damaging wind gusts and
hail are possible today. A brief tornado cannot be ruled out as
well.

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

Flash flooding is possible today as rainfall totals range from 1
to 3 inches with locally higher amounts.

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

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Maximum heat index values approaching 105 degrees are possible on
Saturday into early next week. This may result in elevated heat
stress levels.

(https://www.weather.gov/images/jan/graphicast/3.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 the rest
of today.

MSZ041>046-048>053-231530-
Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper-Hinds-Rankin-Scott-
Newton-Lauderdale-Claiborne-
1023 AM CDT Fri Jun 22 2018

This hazardous weather outlook is for portions of central
Mississippi, and southwest Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...remainder of today

FLOODING
THREAT...Limited
TIMING...remainder of today

Severe thunderstorms capable of producing damaging wind gusts and
hail are possible today. A brief tornado cannot be ruled out as
well.

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

Flash flooding is possible today as rainfall totals range from 1
to 3 inches with locally higher amounts.

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

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Maximum heat index values approaching 105 degrees are possible on
Saturday into early next week. This may result in elevated heat
stress levels.

(https://www.weather.gov/images/jan/graphicast/3.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 the rest
of today.

LAZ026-MSZ054>066-072-231530-
Concordia-Copiah-Simpson-Smith-Jasper-Clarke-Jefferson-Adams-
Franklin MS-Lincoln-Lawrence-Jefferson Davis-Covington-Jones-
Marion-
1023 AM CDT Fri Jun 22 2018

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

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...remainder of today

Isolated severe thunderstorms capable of producing damaging wind
gusts and hail are possible today. A brief tornado cannot be ruled
out as well.

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

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Maximum heat index values approaching 105 degrees are possible on
Saturday into early next week. This may result in elevated heat
stress levels.

(https://www.weather.gov/images/jan/graphicast/3.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 the rest
of today.

MSZ073-074-231530-
Lamar-Forrest-
1023 AM CDT Fri Jun 22 2018

This hazardous weather outlook is for portions of southeast
Mississippi.

.DAY ONE...The rest of Today and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Maximum heat index values approaching 105 degrees are possible on
Saturday into early next week. This may result in elevated heat
stress levels.

(https://www.weather.gov/images/jan/graphicast/3.png)

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations is not expected through next Thursday.

LAZ024-231530-
Catahoula-
1023 AM CDT Fri Jun 22 2018

This hazardous weather outlook is for portions of northeast
Louisiana.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...remainder of today

FLOODING
THREAT...Limited
TIMING...remainder of today

Isolated severe thunderstorms capable of producing damaging wind
gusts and hail are possible today. A brief tornado cannot be ruled
out as well.

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

Flash flooding is possible today as rainfall totals range from 1
to 3 inches with locally higher amounts.

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

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Maximum heat index values approaching 105 degrees are possible on
Saturday into early next week. This may result in elevated heat
stress levels.

(https://www.weather.gov/images/jan/graphicast/3.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 the rest
of today.

50

&&

...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.

*FLOODING*
Extreme...Confident in significant flooding.
Significant...Significant flooding possible.
Elevated...Confident in flooding.
Limited...Flooding 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/jan/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)...
   www.spc.noaa.gov/
Meso Analysis...
   www.spc.noaa.gov/exper/mesoanalysis/
Day 1 through 3 Outlooks...
   www.spc.noaa.gov/products/outlook/
Storm Reports...
   www.spc.noaa.gov/climo/online/
...ADDITIONAL URLS FOR FLOODING ISSUES...

Current Watches and Warnings...
   https://www.weather.gov/jan/safe_HeavyRain

Observed Precipitation Images...
   https://www.weather.gov/jan/precipmaps

River Forecast Center...
   https://www.weather.gov/lmrfc/
Significant River Flood Outlook...
   www.wpc.ncep.noaa.gov/nationalfloodoutlook/index.html
Day 1 through 3 Excessive Rainfall...
   www.wpc.ncep.noaa.gov/qpf/excess_rain.shtml
Excessive Rainfall Discussion...
   www.wpc.ncep.noaa.gov/discussions/qpferd.html
Day 1 through 7 QPF...
   www.wpc.ncep.noaa.gov/qpf/qpf2.shtml
QPF Discussion...
   www.wpc.ncep.noaa.gov/discussions/qpfpfd.html

In the hours before

Special weather statement, Jun 22, 12:46 PM CDT, 2 hours 17 minutes before
Special Weather Statement
National Weather Service Jackson MS
1246 PM CDT FRI JUN 22 2018

ARZ074-075-LAZ007-221815-
Chicot AR-Ashley AR-Morehouse LA-
1246 PM CDT FRI JUN 22 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN CHICOT...
SOUTHEASTERN ASHLEY COUNTIES IN SOUTHEASTERN ARKANSAS AND
NORTHEASTERN MOREHOUSE PARISHES UNTIL 115 PM CDT...

At 1246 PM CDT, Meteorologists were tracking a strong thunderstorm
over Jones, or near Wilmot, moving southeast at 25 mph.

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

This strong thunderstorm will be near...
  Wilmot around 1250 PM CDT.

Other locations impacted by this storm include Bonita.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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.

&&

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
northeastern Louisiana.

LAT...LON 3312 9166 3311 9137 3287 9152 3288 9155
      3285 9157 3283 9157 3280 9159 3298 9179
TIME...MOT...LOC 1746Z 303DEG 23KT 3301 9164

17
Local storm report, Jun 22, 1:12 PM CDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
112 PM CDT FRI JUN 22 2018

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

0959 AM     TSTM WND DMG     1 E WILMOT              33.06N 91.55W
06/22/2018                   ASHLEY             AR   PUBLIC

            TREE DOWN JUST EAST OF WILMOT.

&&

TW
Local storm report, Jun 22, 1:30 PM CDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
130 PM CDT FRI JUN 22 2018

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

1243 PM     FLASH FLOOD      CROSSETT                33.13N 91.96W
06/22/2018                   ASHLEY             AR   LAW ENFORCEMENT

            CONTINUED STREET FLOODING IN CROSSETT. A FEW
            AREA COUNTY ROADS ALSO EXPERIENCING
            FLOODING.

&&

TW
Special weather statement, Jun 22, 1:49 PM CDT, 1 hour 14 minutes before
Special Weather Statement
National Weather Service Jackson MS
149 PM CDT FRI JUN 22 2018

ARZ075-221915-
Chicot AR-
149 PM CDT FRI JUN 22 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CHICOT COUNTY UNTIL
215 PM CDT...

At 148 PM CDT, Meteorologists were tracking a strong thunderstorm
near Mcmillan Corner, or 7 miles southeast of Dermott, moving
southeast at 25 mph.

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

This strong thunderstorm will be near...
  Mcmillan Corner around 200 PM CDT.
  Lake Village around 210 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 3342 9146 3354 9141 3349 9120 3347 9121
      3345 9123 3344 9123 3343 9122 3344 9118
      3348 9117 3347 9113 3342 9116 3341 9121
      3340 9121 3338 9118 3320 9129 3334 9146
TIME...MOT...LOC 1848Z 302DEG 23KT 3343 9139

17
Local storm report, Jun 22, 2:54 PM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
254 PM CDT FRI JUN 22 2018

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

1250 AM     TSTM WND DMG     GRENADA                 33.78N 89.81W
06/22/2018                   GRENADA            MS   EMERGENCY MNGR

            A TOTAL OF 6 HOUSES WERE DAMAGED FROM FALLEN
            TREES. 3 HOUSES HAD SIGNIFICANT DAMAGE.

&&

AW
Special weather statement, Jun 22, 2:55 PM CDT, 8 minutes before
Special Weather Statement
National Weather Service Jackson MS
255 PM CDT FRI JUN 22 2018

ARZ074-222030-
Ashley AR-
255 PM CDT FRI JUN 22 2018

...A STRONG THUNDERSTORM WILL AFFECT WESTERN ASHLEY COUNTY UNTIL 330
PM CDT...

At 255 PM CDT, Meteorologists were tracking a strong thunderstorm
over North Crossett, moving southeast at 25 mph.

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

This strong thunderstorm will be near...
  Hamburg around 305 PM CDT.
  Berlin around 320 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3311 9214 3312 9212 3314 9212 3328 9203
      3329 9200 3330 9200 3331 9198 3334 9199
      3335 9197 3337 9197 3336 9162 3301 9180
      3301 9208 3303 9209 3303 9211 3307 9211
      3307 9213
TIME...MOT...LOC 1955Z 302DEG 22KT 3318 9190

17

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:52 AM CDTSevere Thunderstorm WarningJANMorehouse53 min
Jun 22, 8:35 AM CDTSpecial Weather StatementJANWest Carroll55 min
Jun 22, 9:37 AM CDTSevere Thunderstorm WarningJANMorehouse68 min
Jun 22, 9:51 AM CDTSevere Thunderstorm WarningJANMorehouse, West Carroll54 min
Jun 22, 10:31 AM CDTSevere Thunderstorm WarningJANEast Carroll, Madison, Morehouse, Richland, West Carroll59 min
Jun 22, 11:07 AM CDTSevere Thunderstorm WarningJANEast Carroll53 min
Jun 22, 11:22 AM CDTSevere Thunderstorm WarningJANEast Carroll, Madison, Richland, Tensas39 min
Jun 22, 11:56 AM CDTSpecial Weather StatementJANWest Carroll49 min
Jun 22, 12:44 PM CDTSpecial Weather StatementJANEast Carroll, West Carroll31 min
Jun 22, 12:46 PM CDTSpecial Weather StatementJANWest Carroll29 min
Jun 22, 1:02 PM CDTSevere Thunderstorm WarningJANEast Carroll, West Carroll43 min
Jun 22, 2:29 PM CDTSevere Thunderstorm WarningJANFranklin, Morehouse, Richland, West Carroll46 min
Jun 22, 3:29 PM CDTTornado WarningJANFranklin, Madison46 min
Jun 22, 4:04 PM CDTSevere Thunderstorm WarningJANEast Carroll, West Carroll56 min
Jun 22, 4:24 PM CDTSevere Thunderstorm WarningJANMorehouse, Richland, West Carroll51 min
Jun 22, 4:55 PM CDTSevere Thunderstorm WarningJANEast Carroll50 min
Jun 22, 5:05 PM CDTSevere Thunderstorm WarningJANMadison40 min
Jun 22, 5:36 PM CDTSpecial Weather StatementJANMorehouse24 min
Jun 22, 5:42 PM CDTSevere Thunderstorm WarningJANMadison30 min
Jun 22, 6:14 PM CDTSpecial Weather StatementJANMadison31 min
Jun 22, 6:41 PM CDTSevere Thunderstorm WarningJANMorehouse32 min

Nearby

Tornado Warnings in Louisiana, 2018Every tornado warning in 2018Tornadoes in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.