Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 33, NWS Memphis, TN

June 23, 2017Itawamba County, Mississippi

NWS Memphis, TN issued this tornado warning at Jun 23, 2017, 11:38 AM CDT for Itawamba County, Mississippi. It was in force for 22 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, 11:38 AM CDT (16:38 UTC)
Expired
Jun 23, 2017, 12:00 PM CDT
In force
22 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Itawamba County, MS

The radar

The Columbus AFB radar (KGWX), 49 km from the middle of the area, began a volume at 16:38 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, 4.6 hours before the alert went out and 168 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.

418 
WFUS54 KMEG 231638
TORMEG
MSC057-231700-
/O.NEW.KMEG.TO.W.0033.170623T1638Z-170623T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
1138 AM CDT FRI JUN 23 2017

The National Weather Service in Memphis has issued a

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

* Until noon CDT
    
* At 1138 AM CDT, a severe thunderstorm producing a tornado was
  located near Fairview, or 9 miles southwest of Red Bay, 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 tornadic thunderstorm will remain over mainly rural areas of
  northeastern Itawamba County, including the following locations:
  Eastman and Bounds Crossroads.

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 8818 3426 8818 3422 8824 3434 8836
      3446 8824 3446 8816
TIME...MOT...LOC 1638Z 226DEG 39KT 3434 8826 

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

$$
2 follow-up statements
920 
WWUS54 KMEG 231643
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1143 AM CDT FRI JUN 23 2017

MSC057-231700-
/O.CON.KMEG.TO.W.0033.000000T0000Z-170623T1700Z/
Itawamba MS-
1143 AM CDT FRI JUN 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
NORTHEASTERN ITAWAMBA COUNTY...
    
At 1143 AM CDT, a severe thunderstorm producing a tornado was located
near Red Bay, 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. 

Locations impacted include...
Eastman and Bounds Crossroads. 

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 3430 8818 3430 8819 3431 8824 3437 8830
      3446 8824 3446 8816
TIME...MOT...LOC 1643Z 226DEG 39KT 3438 8821 

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

$$
985 
WWUS54 KMEG 231651
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1151 AM CDT FRI JUN 23 2017

MSC057-231701-
/O.EXP.KMEG.TO.W.0033.000000T0000Z-170623T1700Z/
Itawamba MS-
1151 AM CDT FRI JUN 23 2017

...THE TORNADO WARNING FOR NORTHEASTERN ITAWAMBA COUNTY WILL EXPIRE
AT NOON CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

LAT...LON 3430 8818 3430 8819 3431 8824 3437 8830
      3446 8824 3446 8816
TIME...MOT...LOC 1651Z 226DEG 39KT 3441 8818 

$$

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, 10:29 AM CDTTornado WarningMEGItawamba, Lee, Prentiss25 min
Jun 23, 11:04 AM CDTTornado WarningMEGTishomingo12 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.