Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 55, NWS Memphis, TN

August 31, 2017Itawamba County, Lee County, Mississippi

NWS Memphis, TN issued this tornado warning at Aug 31, 2017, 1:07 PM CDT for Itawamba County, Lee County, Mississippi. It was in force for 38 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
Aug 31, 2017, 1:07 PM CDT (18:07 UTC)
Expired
Aug 31, 2017, 1:45 PM CDT
In force
38 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Itawamba County, MS, Lee County, MS

The radar

The Columbus AFB radar (KGWX), 63 km from the middle of the area, began a volume at 18:08 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, 1:23 PM CDTTORNADO4 Ese Pratts Friendship, MSEF1 TORNADO WAS ON THE GROUND FOR 2.5 MILES IN NORTHWEST ITAWAMBA COUNTY. THIS TORNADO DAMAGED NUMEROUS TREES AND SEVERAL MOBILE HOMES.

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, 6.1 hours before the alert went out and 132 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.

105 
WFUS54 KMEG 311807
TORMEG
MSC057-081-311845-
/O.NEW.KMEG.TO.W.0055.170831T1807Z-170831T1845Z/

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

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northwestern Itawamba County in northeastern Mississippi...
  Northeastern Lee County in northeastern Mississippi...

* Until 145 PM CDT
    
* At 107 PM CDT, a severe thunderstorm producing a tornado was
  located over Mantachie, or near Fulton, moving northwest at 15 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...
  Mantachie around 125 PM CDT. 
  Saltillo, Guntown and Pratts Friendship around 145 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Dorsey, Eggville, Unity and Chapelville.

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 3424 8850 3449 8877 3450 8874 3450 8873
      3451 8870 3451 8854 3447 8854 3447 8851
      3429 8839
TIME...MOT...LOC 1807Z 147DEG 12KT 3429 8849 

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

$$
3 follow-up statements
304 
WWUS54 KMEG 311821
SVSMEG

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

MSC057-081-311845-
/O.CON.KMEG.TO.W.0055.000000T0000Z-170831T1845Z/
Itawamba MS-Lee MS-
121 PM CDT THU AUG 31 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
NORTHWESTERN ITAWAMBA AND NORTHEASTERN LEE COUNTIES...
    
At 121 PM CDT, a severe thunderstorm likely producing a tornado was 
located near Pratts Friendship, or 8 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...
  Pratts Friendship around 130 PM CDT. 
  Baldwyn around 145 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Chapelville and Unity.

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 3436 8854 3451 8868 3451 8854 3447 8854
      3447 8851 3439 8846
TIME...MOT...LOC 1821Z 160DEG 22KT 3442 8853 

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

$$
758 
WWUS54 KMEG 311822 CCA
SVSMEG

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

MSC057-081-311845-
/O.COR.KMEG.TO.W.0055.000000T0000Z-170831T1845Z/
Itawamba MS-Lee MS-
122 PM CDT THU AUG 31 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
NORTHWESTERN ITAWAMBA AND NORTHEASTERN LEE COUNTIES...
    
At 122 PM CDT, a severe thunderstorm producing a tornado was located
near Pratts Friendship, or 9 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...
  Pratts Friendship around 130 PM CDT. 
  Baldwyn around 145 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Chapelville and Unity.

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 3436 8854 3451 8868 3451 8854 3447 8854
      3447 8851 3439 8846
TIME...MOT...LOC 1821Z 160DEG 21KT 3442 8853 

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

$$

WOODALL
105 
WWUS54 KMEG 311840
SVSMEG

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

MSC057-081-311849-
/O.EXP.KMEG.TO.W.0055.000000T0000Z-170831T1845Z/
Itawamba MS-Lee MS-
140 PM CDT THU AUG 31 2017

...THE TORNADO WARNING FOR NORTHWESTERN ITAWAMBA AND NORTHEASTERN LEE
COUNTIES WILL EXPIRE AT 145 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

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

LAT...LON 3436 8854 3451 8868 3451 8854 3447 8854
      3447 8851 3439 8846
TIME...MOT...LOC 1839Z 160DEG 21KT 3451 8857 

$$

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 WarningMEGLee, Pontotoc, Union38 min
Aug 31, 1:23 PM CDTTornado WarningMEGPrentiss52 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.