Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 13, NWS Jackson, MS

January 21, 20174 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Jan 21, 2017, 3:12 AM CST for 4 counties in Mississippi. It was in force for 48 min. 2 reports 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
Jan 21, 2017, 3:12 AM CST (09:12 UTC)
Expired
Jan 21, 2017, 4:00 AM CST
In force
48 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Covington County, MS, Jasper County, MS, Jones County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 86 km from the middle of the area, began a volume at 09:10 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
Jan 21, 3:14 AM CSTTSTM WND DMG4 Sse Collins, MSNUMEROUS TREES DOWN ALONG HWY 49.
Jan 21, 3:14 AM CSTTSTM WND DMGSeminary, MSMULTIPLE TREES WERE DOWN ACROSS COVINGTON COUNTY. TREE DOWN ACROSS HWY 49 1.5 MILES SOUTH OF HWY 590 INTERSECTION. TREES WERE DONW ON COLD SPRINGS, KELLY CREEK RD, EVERGREEN CHURCH NEAR RAY HARVERY, THREE NOTCH RD NEAR WILSON RD AND WILLIAMS RD. MULTIPLE TREES

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 20, 11:00 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.2 hours before the alert went out and 94 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 00:00Z on 2017-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2017-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1897 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

137 
WFUS54 KJAN 210912
TORJAN
MSC031-061-067-129-211015-
/O.NEW.KJAN.TO.W.0013.170121T0912Z-170121T1015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
312 AM CST SAT JAN 21 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Covington County in southeastern Mississippi...
  Northern Jones County in southeastern Mississippi...
  Southern Jasper County in east central Mississippi...
  Southeastern Smith County in central Mississippi...

* Until 415 AM CST
    
* At 312 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Collins, moving northeast at 45 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...
  Collins around 315 AM CST. 
  Hebron around 330 AM CST. 
  Stringer and Moss around 350 AM CST. 
  Vernon around 400 AM CST. 

Other locations impacted by this tornadic thunderstorm include Soso
and Seminary.

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 3148 8959 3151 8959 3154 8961 3156 8964
      3157 8968 3159 8971 3160 8973 3170 8976
      3209 8914 3182 8894 3178 8894 3146 8956
TIME...MOT...LOC 0912Z 230DEG 38KT 3158 8956 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

19
3 follow-up statements
889 
WWUS54 KJAN 210924
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
324 AM CST SAT JAN 21 2017

MSC031-061-067-129-211015-
/O.CON.KJAN.TO.W.0013.000000T0000Z-170121T1015Z/
Covington MS-Jones MS-Jasper MS-Smith MS-
324 AM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM CST FOR
NORTHEASTERN COVINGTON...NORTHERN JONES...SOUTHERN JASPER AND
SOUTHEASTERN SMITH COUNTIES...
    
At 324 AM CST, a severe thunderstorm capable of producing a tornado
was located near Collins, moving northeast at 40 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...
  Stringer and Moss around 355 AM CST. 
  Sandersville and Vernon around 405 AM CST. 

Other locations impacted by this tornadic thunderstorm include Soso.

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 3160 8950 3168 8956 3179 8956 3209 8914
      3182 8894 3178 8894 3158 8940
TIME...MOT...LOC 0924Z 232DEG 33KT 3165 8946 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

19
872 
WWUS54 KJAN 210941
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
341 AM CST SAT JAN 21 2017

MSC031-210950-
/O.CAN.KJAN.TO.W.0013.000000T0000Z-170121T1015Z/
Covington MS-
341 AM CST SAT JAN 21 2017

...THE TORNADO WARNING FOR NORTHEASTERN COVINGTON 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 700 AM CST for southeastern,
central and east central Mississippi.

LAT...LON 3168 8940 3187 8941 3209 8914 3182 8894
      3178 8894
TIME...MOT...LOC 0940Z 230DEG 38KT 3176 8930 

$$

MSC061-067-129-211015-
/O.CON.KJAN.TO.W.0013.000000T0000Z-170121T1015Z/
Jones MS-Jasper MS-Smith MS-
341 AM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM CST FOR NORTHERN
JONES...SOUTHERN JASPER AND SOUTHEASTERN SMITH COUNTIES...
    
At 340 AM CST, a severe thunderstorm capable of producing a tornado
was located 7 miles south of Stringer, moving northeast at 45 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...
  Stringer and Moss around 350 AM CST. 
  Vernon around 400 AM CST. 

Other locations impacted by this tornadic thunderstorm include Soso.

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 3168 8940 3187 8941 3209 8914 3182 8894
      3178 8894
TIME...MOT...LOC 0940Z 230DEG 38KT 3176 8930 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

19
687 
WWUS54 KJAN 211000
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
400 AM CST SAT JAN 21 2017

MSC061-067-129-211010-
/O.CAN.KJAN.TO.W.0013.000000T0000Z-170121T1015Z/
Jones MS-Jasper MS-Smith MS-
400 AM CST SAT JAN 21 2017

...THE TORNADO WARNING FOR NORTHERN JONES...SOUTHERN JASPER AND
SOUTHEASTERN SMITH 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.  However gusty winds are
still possible with this thunderstorm.

A tornado watch remains in effect until 700 AM CST for southeastern,
central and east central Mississippi.

LAT...LON 3168 8940 3187 8941 3209 8914 3182 8894
      3178 8894
TIME...MOT...LOC 0957Z 230DEG 38KT 3190 8911 

$$

19

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 12:24 AM CSTSevere Thunderstorm WarningJANAdams, Franklin66 min
Jan 21, 12:51 AM CSTSevere Thunderstorm WarningJANAdams54 min
Jan 21, 1:19 AM CSTSevere Thunderstorm WarningJANCopiah, Lincoln56 min
Jan 21, 1:38 AM CSTSevere Thunderstorm WarningJANFranklin52 min
Jan 21, 2:02 AM CSTSevere Thunderstorm WarningJANRankin, Simpson58 min
Jan 21, 2:22 AM CSTSevere Thunderstorm WarningJANLawrence, Lincoln53 min
Jan 21, 2:29 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Marion61 min
Jan 21, 2:57 AM CSTTornado WarningJANLamar, Marion63 min
Jan 21, 3:04 AM CSTSpecial Weather StatementJANScott, Smith26 min
Jan 21, 3:20 AM CSTFlash Flood WarningJANAdams, Claiborne, Copiah, Franklin, Jefferson, Lincoln3 hr
Jan 21, 3:26 AM CSTSpecial Weather StatementJANClarke34 min
Jan 21, 3:32 AM CSTSevere Thunderstorm WarningJANJones43 min
Jan 21, 3:36 AM CSTTornado WarningJANForrest, Jones, Lamar54 min
Jan 21, 3:38 AM CSTSevere Thunderstorm WarningJANJefferson Davis, Marion25 min
Jan 21, 3:57 AM CSTTornado WarningJANLamar38 min
Jan 21, 4:09 AM CSTSevere Thunderstorm WarningJANJasper51 min
Jan 21, 4:24 AM CSTSevere Thunderstorm WarningJANForrest, Jones42 min
Jan 21, 4:24 AM CSTTornado WarningJANClarke41 min
Jan 21, 4:31 AM CSTFlash Flood WarningJANCovington, Forrest, Jefferson Davis, Jones, Lamar, Marion4 hr
Jan 21, 9:21 AM CSTRiver Flood WarningJANLawrence4 days
Jan 21, 2:21 PM CSTRiver Flood WarningJANLeake4 days

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.