Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 57, NWS Memphis, TN

August 31, 2017Prentiss County, Mississippi

NWS Memphis, TN issued this tornado warning at Aug 31, 2017, 1:23 PM CDT for Prentiss County, Mississippi. It was in force for 52 min. 4 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
Aug 31, 2017, 1:23 PM CDT (18:23 UTC)
Expired
Aug 31, 2017, 2:15 PM CDT
In force
52 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Prentiss County, MS

The radar

The Columbus AFB radar (KGWX), 81 km from the middle of the area, began a volume at 18:21 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.

What was reported inside it

TimeReportWhereRemark
Aug 31, 1:39 PM CDTTORNADO2 W Marietta, MSDEBRIS REPORTED AND TREES DAMAGED AT HIGHWAY 366 AND C.R. 5334
Aug 31, 1:43 PM CDTTORNADO4 S Booneville, MSA BRIEF EF0 TORNADO OCCURRED NEAR COUNTY ROADS 5131 AND 5031. MINOR DAMAGE WAS OBSERVED TO SEVERAL STRUCTURES.
Aug 31, 1:50 PM CDTTSTM WND DMGBooneville, MSTREES AND POWER LINES DOWN ON MEADOW CREEK ROAD.
Aug 31, 1:50 PM CDTTSTM WND DMGBooneville, MSTREES AND POWER LINES DOWN ON OLD MEADOW CREEK ROAD. METAL ROOFING TORN OFF BUILDING.

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
Aug 31, 11:13 AM CDTTornado WatchSPC11 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 6.4 hours before the alert went out and 126 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, Little Rock, AR at 12:00Z on 2017-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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, Little Rock, AR at 12:00Z on 2017-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
20 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
525 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

248 
WFUS54 KMEG 311823
TORMEG
MSC117-311915-
/O.NEW.KMEG.TO.W.0057.170831T1823Z-170831T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
123 PM CDT THU AUG 31 2017

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Western Prentiss County in northeastern Mississippi...

* Until 215 PM CDT
    
* At 123 PM CDT, a severe thunderstorm producing a tornado was
  located near Pratts Friendship, or 7 miles southeast of Baldwyn,
  moving north at 25 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...
  Baldwyn around 145 PM CDT. 
  Wheeler around 150 PM CDT. 
  Booneville around 205 PM CDT. 
  Jumpertown around 215 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Geeville, Blackland, Frankstown, Gaston, Marietta and Rienzi.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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 3447 8854 3451 8854 3451 8864 3460 8872
      3475 8872 3476 8870 3476 8851 3447 8847
TIME...MOT...LOC 1823Z 160DEG 22KT 3443 8853 

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

$$
4 follow-up statements
636 
WWUS54 KMEG 311832
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
132 PM CDT THU AUG 31 2017

MSC117-311915-
/O.CON.KMEG.TO.W.0057.000000T0000Z-170831T1915Z/
Prentiss MS-
132 PM CDT THU AUG 31 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR WESTERN
PRENTISS COUNTY...
        
At 132 PM CDT, a confirmed large and extremely dangerous tornado was
located near Pratts Friendship, or near Baldwyn, moving north at 25
mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar confirmed tornado. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

The tornado will be near...
  Baldwyn around 145 PM CDT. 
  Wheeler around 150 PM CDT. 
  Booneville around 205 PM CDT. 
  Jumpertown around 210 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Geeville, Blackland, Frankstown, Gaston, Marietta and Rienzi.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a storm shelter 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 3447 8854 3451 8854 3451 8864 3460 8872
      3475 8872 3476 8870 3476 8851 3447 8847
TIME...MOT...LOC 1832Z 162DEG 23KT 3449 8855 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$
044 
WWUS54 KMEG 311845
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
145 PM CDT THU AUG 31 2017

MSC117-311915-
/O.CON.KMEG.TO.W.0057.000000T0000Z-170831T1915Z/
Prentiss MS-
145 PM CDT THU AUG 31 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR WESTERN
PRENTISS COUNTY...
    
At 145 PM CDT, a severe thunderstorm producing a tornado was located 
over Wheeler, or near Booneville, moving north at 30 mph. This storm 
has a history of producing a damaging tornado.

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...
  Booneville around 200 PM CDT. 
  Jumpertown around 205 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Blackland, Frankstown, Gaston and Rienzi.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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 3453 8863 3475 8872 3476 8870 3476 8851
      3455 8850
TIME...MOT...LOC 1845Z 163DEG 26KT 3461 8858 

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

$$
881 
WWUS54 KMEG 311854
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
154 PM CDT THU AUG 31 2017

MSC117-311915-
/O.CON.KMEG.TO.W.0057.000000T0000Z-170831T1915Z/
Prentiss MS-
154 PM CDT THU AUG 31 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR
NORTHWESTERN PRENTISS COUNTY...
    
At 153 PM CDT, a severe thunderstorm producing a tornado was located 
over Booneville, moving north at 25 mph. This storm has a history of 
producing a damaging tornado.

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...
  Jumpertown around 205 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Gaston
and Rienzi.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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 3462 8861 3475 8872 3476 8870 3476 8851
      3463 8853
TIME...MOT...LOC 1853Z 164DEG 23KT 3467 8859 

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

$$
656 
WWUS54 KMEG 311912
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
212 PM CDT THU AUG 31 2017

MSC117-311922-
/O.EXP.KMEG.TO.W.0057.000000T0000Z-170831T1915Z/
Prentiss MS-
212 PM CDT THU AUG 31 2017

...THE TORNADO WARNING FOR NORTHWESTERN PRENTISS COUNTY WILL EXPIRE
AT 215 PM CDT...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning will be allowed to expire.

A tornado watch remains in effect until 800 PM CDT for northeastern
Mississippi.

LAT...LON 3462 8861 3475 8872 3476 8870 3476 8851
      3463 8853
TIME...MOT...LOC 1912Z 160DEG 22KT 3477 8863 

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 31, 9:45 AM CDTSpecial Weather StatementMEGTate30 min
Aug 31, 9:53 AM CDTTornado WarningMEGTate18 min
Aug 31, 10:17 AM CDTSpecial Weather StatementMEGTunica43 min
Aug 31, 10:31 AM CDTSpecial Weather StatementMEGYalobusha44 min
Aug 31, 10:37 AM CDTSevere Thunderstorm WarningMEGPanola, Yalobusha23 min
Aug 31, 10:51 AM CDTTornado WarningMEGChickasaw, Lee, Pontotoc39 min
Aug 31, 10:55 AM CDTSevere Thunderstorm WarningMEGPanola, Yalobusha50 min
Aug 31, 11:09 AM CDTSevere Thunderstorm WarningMEGLafayette, Marshall38 min
Aug 31, 11:21 AM CDTTornado WarningMEGBenton, Tippah, Union39 min
Aug 31, 11:22 AM CDTTornado WarningMEGBenton53 min
Aug 31, 11:24 AM CDTTornado WarningMEGPanola51 min
Aug 31, 11:29 AM CDTTornado WarningMEGLee, Pontotoc, Union31 min
Aug 31, 11:36 AM CDTTornado WarningMEGPanola, Quitman, Tate, Tunica39 min
Aug 31, 11:40 AM CDTTornado WarningMEGCalhoun, Chickasaw35 min
Aug 31, 11:57 AM CDTTornado WarningMEGTate48 min
Aug 31, 11:58 AM CDTTornado WarningMEGBenton, Pontotoc, Tippah, Union32 min
Aug 31, 12:01 PM CDTTornado WarningMEGBenton, Marshall44 min
Aug 31, 12:03 PM CDTTornado WarningMEGBenton, Tippah42 min
Aug 31, 12:14 PM CDTTornado WarningMEGCalhoun, Chickasaw, Lafayette, Pontotoc31 min
Aug 31, 12:31 PM CDTTornado WarningMEGBenton, Tippah, Union29 min
Aug 31, 12:33 PM CDTTornado WarningMEGPanola, Tate, Tunica42 min
Aug 31, 12:44 PM CDTTornado WarningMEGLafayette, Pontotoc, Union31 min
Aug 31, 12:49 PM CDTTornado WarningMEGDeSoto41 min
Aug 31, 12:55 PM CDTTornado WarningMEGBenton, Tippah50 min
Aug 31, 1:02 PM CDTFlash Flood WarningMEGPanola, Quitman, Tate, Tunica6 hr
Aug 31, 1:07 PM CDTTornado WarningMEGItawamba, Lee38 min
Aug 31, 1:07 PM CDTTornado WarningMEGLee, Pontotoc, Union38 min
Aug 31, 1:24 PM CDTFlash Flood WarningMEGDeSoto3 hr
Aug 31, 1:37 PM CDTTornado WarningMEGLee, Prentiss, Tippah, Union38 min
Aug 31, 1:57 PM CDTTornado WarningMEGAlcorn18 min
Aug 31, 2:02 PM CDTTornado WarningMEGTippah43 min
Aug 31, 2:12 PM CDTTornado WarningMEGChickasaw, Pontotoc28 min
Aug 31, 2:26 PM CDTTornado WarningMEGTishomingo34 min
Aug 31, 2:36 PM CDTFlash Flood WarningMEGBenton, Marshall, Tippah9 hr
Aug 31, 2:51 PM CDTFlash Flood WarningMEGLafayette, Marshall3 hr
Aug 31, 3:15 PM CDTFlash Flood WarningMEGDeSoto, Lafayette, Marshall, Panola, Tate3 hr
Aug 31, 3:31 PM CDTFlash Flood WarningMEGBenton, DeSoto, Marshall9 hr
Aug 31, 4:32 PM CDTSevere Thunderstorm WarningMEGAlcorn, Prentiss, Tippah28 min
Aug 31, 4:43 PM CDTFlash Flood WarningMEGDeSoto6 hr
Aug 31, 4:59 PM CDTSevere Thunderstorm WarningMEGAlcorn, Prentiss, Tippah26 min
Aug 31, 5:45 PM CDTFlash Flood WarningMEGCoahoma, DeSoto, Lafayette, Marshall, Panola, Quitman and 2 more6 hr

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.