Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 70, NWS Jackson, MS

June 22, 20174 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Jun 22, 2017, 11:39 AM CDT for 4 counties in Mississippi. 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
Jun 22, 2017, 11:39 AM CDT (16:39 UTC)
Expired
Jun 22, 2017, 12:15 PM CDT
In force
36 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Copiah County, MS, Lawrence County, MS, Lincoln County, MS, Simpson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 66 km from the middle of the area, began a volume at 16:42 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 22, 2:57 AM CDTTornado WatchSPC10 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 4.7 hours before the alert went out and 68 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 2017-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 294 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2017-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 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
294 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

285 
WFUS54 KJAN 221639
TORJAN
MSC029-077-085-127-221730-
/O.NEW.KJAN.TO.W.0070.170622T1639Z-170622T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1139 AM CDT THU JUN 22 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southwestern Simpson County in central Mississippi...
  Northeastern Lincoln County in south central Mississippi...
  Northwestern Lawrence County in south central Mississippi...
  Eastern Copiah County in central Mississippi...

* Until 1230 PM CDT
    
* At 1139 AM CDT, a severe thunderstorm capable of producing a
  tornado was located near Sontag, or 12 miles east of Brookhaven,
  moving north at 35 mph.

  HAZARD...Tornado. 

  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...
  Sontag around 1145 AM CDT. 
  Rockport around 1205 PM CDT. 
  Hopewell around 1220 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Georgetown.

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 3155 9020 3155 9030 3197 9030 3197 9009
TIME...MOT...LOC 1639Z 185DEG 32KT 3159 9024 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DC
3 follow-up statements
869 
WWUS54 KJAN 221650
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1150 AM CDT THU JUN 22 2017

MSC085-221659-
/O.CAN.KJAN.TO.W.0070.000000T0000Z-170622T1730Z/
Lincoln MS-
1150 AM CDT THU JUN 22 2017

...THE TORNADO WARNING FOR NORTHEASTERN LINCOLN COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 100 PM CDT for central and
south central Mississippi.

LAT...LON 3171 9024 3172 9025 3197 9024 3197 9009
      3164 9018 3164 9024
TIME...MOT...LOC 1649Z 189DEG 31KT 3168 9021 

$$

MSC029-077-127-221730-
/O.CON.KJAN.TO.W.0070.000000T0000Z-170622T1730Z/
Simpson MS-Lawrence MS-Copiah MS-
1150 AM CDT THU JUN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHWESTERN SIMPSON...NORTHWESTERN LAWRENCE AND SOUTHEASTERN COPIAH
COUNTIES...
    
At 1149 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Sontag, or 15 miles northeast of Brookhaven, moving
north at 35 mph.

HAZARD...Tornado. 

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...
  Rockport around 1205 PM CDT. 
  Hopewell around 1220 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Georgetown.

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 3171 9024 3172 9025 3197 9024 3197 9009
      3164 9018 3164 9024
TIME...MOT...LOC 1649Z 189DEG 31KT 3168 9021 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DC
749 
WWUS54 KJAN 221700
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1200 PM CDT THU JUN 22 2017

MSC077-221708-
/O.CAN.KJAN.TO.W.0070.000000T0000Z-170622T1730Z/
Lawrence MS-
1200 PM CDT THU JUN 22 2017

...THE TORNADO WARNING FOR NORTHWESTERN LAWRENCE COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 100 PM CDT for central and
south central Mississippi.

LAT...LON 3197 9024 3197 9009 3175 9015 3175 9016
      3173 9018 3172 9021 3172 9025
TIME...MOT...LOC 1658Z 188DEG 30KT 3175 9020 

$$

MSC029-127-221730-
/O.CON.KJAN.TO.W.0070.000000T0000Z-170622T1730Z/
Simpson MS-Copiah MS-
1200 PM CDT THU JUN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHWESTERN SIMPSON AND SOUTHEASTERN COPIAH COUNTIES...
    
At 1158 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Oma, or 13 miles southeast of Hazlehurst, moving
north at 35 mph.

HAZARD...Tornado. 

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...
  Rockport around 1205 PM CDT. 
  Hopewell around 1220 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Georgetown.

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 3197 9024 3197 9009 3175 9015 3175 9016
      3173 9018 3172 9021 3172 9025
TIME...MOT...LOC 1658Z 188DEG 30KT 3175 9020 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DC
379 
WWUS54 KJAN 221715
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1215 PM CDT THU JUN 22 2017

MSC029-127-221723-
/O.CAN.KJAN.TO.W.0070.000000T0000Z-170622T1730Z/
Simpson MS-Copiah MS-
1215 PM CDT THU JUN 22 2017

...THE TORNADO WARNING FOR SOUTHWESTERN SIMPSON AND SOUTHEASTERN
COPIAH COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 100 PM CDT for central and
south central Mississippi.

LAT...LON 3197 9024 3197 9009 3175 9015 3175 9016
      3173 9018 3172 9021 3172 9025
TIME...MOT...LOC 1710Z 185DEG 32KT 3189 9019 

$$

DC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:42 PM CDTSpecial Weather StatementJANJasper, Smith48 min
Jun 22, 6:48 AM CDTSpecial Weather StatementJANClarke27 min
Jun 22, 6:55 AM CDTTornado WarningJANClarke24 min
Jun 22, 9:47 AM CDTRiver Flood WarningJANLeake21 hr
Jun 22, 9:47 AM CDTRiver Flood WarningJANLeake66 hr
Jun 22, 11:14 AM CDTRiver Flood WarningJANAttala, Holmes8 days
Jun 22, 11:14 AM CDTRiver Flood WarningJANMadison, Yazoo9 days
Jun 22, 1:12 PM CDTSpecial Weather StatementJANYazoo48 min
Jun 22, 1:15 PM CDTTornado WarningJANYazoo9 min
Jun 22, 1:32 PM CDTSpecial Weather StatementJANLincoln43 min
Jun 22, 1:57 PM CDTSpecial Weather StatementJANHinds63 min
Jun 22, 2:21 PM CDTSpecial Weather StatementJANCarroll24 min
Jun 22, 2:23 PM CDTSpecial Weather StatementJANClaiborne37 min
Jun 22, 2:26 PM CDTSpecial Weather StatementJANYazoo34 min
Jun 22, 2:48 PM CDTSpecial Weather StatementJANHumphreys42 min
Jun 22, 2:55 PM CDTSevere Thunderstorm WarningJANHolmes, Humphreys, Leflore, Sunflower47 min
Jun 22, 2:58 PM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson, Warren36 min
Jun 22, 3:06 PM CDTSevere Thunderstorm WarningJANIssaquena, Washington69 min
Jun 22, 3:32 PM CDTSpecial Weather StatementJANSharkey43 min
Jun 22, 3:55 PM CDTSpecial Weather StatementJANJefferson Davis, Simpson50 min
Jun 22, 4:24 PM CDTSpecial Weather StatementJANSharkey51 min
Jun 22, 4:33 PM CDTSpecial Weather StatementJANScott42 min
Jun 22, 4:41 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey, Washington18 min
Jun 22, 4:49 PM CDTSpecial Weather StatementJANAdams, Jefferson41 min
Jun 22, 5:07 PM CDTSpecial Weather StatementJANMontgomery38 min
Jun 22, 5:09 PM CDTSpecial Weather StatementJANAttala, Choctaw51 min
Jun 22, 5:14 PM CDTSpecial Weather StatementJANSunflower61 min
Jun 22, 5:20 PM CDTSpecial Weather StatementJANLeake, Scott55 min
Jun 22, 5:30 PM CDTSpecial Weather StatementJANClaiborne, Jefferson45 min

Nearby

Tornado Warnings in Mississippi, 2017Every tornado warning in 2017Tornadoes in 2017

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.