Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 31, NWS Memphis, TN

June 23, 2017Itawamba County, Lee County, Prentiss County, Mississippi

NWS Memphis, TN issued this tornado warning at Jun 23, 2017, 10:29 AM CDT for Itawamba County, Lee County, Prentiss County, Mississippi. It was in force for 25 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 23, 2017, 10:29 AM CDT (15:29 UTC)
Expired
Jun 23, 2017, 10:54 AM CDT
In force
25 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Itawamba County, MS, Lee County, MS, Prentiss County, MS

The radar

The Columbus AFB radar (KGWX), 53 km from the middle of the area, began a volume at 15:33 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 nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 3.5 hours before the alert went out and 141 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 2017-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1156 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 2017-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
1156 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
490 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

945 
WFUS54 KMEG 231529
TORMEG
MSC057-081-117-231615-
/O.NEW.KMEG.TO.W.0031.170623T1529Z-170623T1615Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
1029 AM CDT FRI JUN 23 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...
  Southeastern Prentiss County in northeastern Mississippi...

* Until 1115 AM CDT
    
* At 1029 AM CDT, a severe thunderstorm producing a tornado was
  located near Mantachie, or near Tombigbee State Park, moving
  northeast at 50 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 and Pratts Friendship around 1035 AM CDT. 
  Sandy Springs and Fairview around 1045 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Marietta, Skyline, Unity, Chapelville, Mooreville, Indian Hills,
Dorsey, Hobo Station, Eggville and Ballardsville.

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 3420 8860 3435 8873 3458 8848 3439 8824
TIME...MOT...LOC 1529Z 234DEG 41KT 3433 8859 

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

$$
3 follow-up statements
586 
WWUS54 KMEG 231537
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1037 AM CDT FRI JUN 23 2017

MSC057-081-117-231615-
/O.CON.KMEG.TO.W.0031.000000T0000Z-170623T1615Z/
Itawamba MS-Lee MS-Prentiss MS-
1037 AM CDT FRI JUN 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT FOR
NORTHWESTERN ITAWAMBA...NORTHEASTERN LEE AND SOUTHEASTERN PRENTISS
COUNTIES...
    
At 1037 AM CDT, a severe thunderstorm producing a tornado was located
near Mantachie, or 10 miles southeast of Baldwyn, 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...
  Sandy Springs around 1050 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Marietta, Hobo Station, Unity, Chapelville and Kirkville.

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 3427 8847 3441 8863 3458 8848 3439 8824
TIME...MOT...LOC 1537Z 232DEG 40KT 3439 8851 

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

$$
481 
WWUS54 KMEG 231541
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1041 AM CDT FRI JUN 23 2017

MSC081-231551-
/O.CAN.KMEG.TO.W.0031.000000T0000Z-170623T1615Z/
Lee MS-
1041 AM CDT FRI JUN 23 2017

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

LAT...LON 3441 8827 3431 8843 3439 8854 3448 8854
      3456 8847
TIME...MOT...LOC 1541Z 230DEG 35KT 3441 8849 

$$

MSC057-117-231615-
/O.CON.KMEG.TO.W.0031.000000T0000Z-170623T1615Z/
Itawamba MS-Prentiss MS-
1041 AM CDT FRI JUN 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT FOR
NORTHWESTERN ITAWAMBA AND SOUTH CENTRAL PRENTISS COUNTIES...
    
At 1041 AM CDT, a severe thunderstorm producing a tornado was located
near Mantachie, or 10 miles southeast of Baldwyn, 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...
  Sandy Springs around 1050 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Marietta and Kirkville.

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 3441 8827 3431 8843 3439 8854 3448 8854
      3456 8847
TIME...MOT...LOC 1541Z 230DEG 35KT 3441 8849 

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

$$
081 
WWUS54 KMEG 231554
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1054 AM CDT FRI JUN 23 2017

MSC057-117-231604-
/O.CAN.KMEG.TO.W.0031.000000T0000Z-170623T1615Z/
Itawamba MS-Prentiss MS-
1054 AM CDT FRI JUN 23 2017

...THE TORNADO WARNING FOR NORTHWESTERN ITAWAMBA AND SOUTH CENTRAL
PRENTISS COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

LAT...LON 3441 8827 3431 8843 3439 8854 3448 8854
      3456 8847
TIME...MOT...LOC 1553Z 234DEG 41KT 3450 8834 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:59 PM CDTAreal Flood AdvisoryMEGPontotoc61 min
Jun 22, 8:24 PM CDTSpecial Weather StatementMEGUnion21 min
Jun 23, 8:53 AM CDTFlash Flood WarningMEGCoahoma, Tunica3 hr
Jun 23, 9:04 AM CDTWind AdvisoryMEGCoahoma, DeSoto, Lafayette, Marshall, Panola, Quitman and 4 more4 hr
Jun 23, 11:04 AM CDTTornado WarningMEGTishomingo12 min
Jun 23, 11:38 AM CDTTornado WarningMEGItawamba22 min
Jun 23, 12:01 PM CDTSevere Thunderstorm WarningMEGMonroe44 min
Jun 23, 6:45 PM CDTSpecial Weather StatementMEGDeSoto, Tate30 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.