Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 6, NWS Mobile, AL

January 21, 2017Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this tornado warning at Jan 21, 2017, 3:52 AM CST for Perry County, Wayne County, Mississippi. It was in force for 38 min. 5 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, 3:52 AM CST (09:52 UTC)
Expired
Jan 21, 2017, 4:30 AM CST
In force
38 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 113 km from the middle of the area, began a volume at 09:54 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, 4:05 AM CSTTORNADO 21 Wsw Tallahala, MS*** 1 INJ *** THE TORNADO ENTERED EXTREME NW PERRY COUNTY, MS FROM NE FORREST COUNTY 2 MILES WNW OF RUNNELSTOWN, MS AND CONTINUED TO MOVE NE AT 45 TO 50 MPH BEFORE LIFTING 5.5 MILES NE OF RUNNELSTOWN. TWO MAIN AREAS ALONG THE PATH HAD SIGNIFICANT DAMAGE, WITH
Jan 21, 4:06 AM CSTTSTM WND DMG1 Ene Tallahala, MSSTRUCTURE DAMAGE ON HINTON LOOP AT PUMPING STATION ROAD. POSSIBLE TORNADO.
Jan 21, 4:06 AM CSTTSTM WND DMGE Tallahala, MSTREES AND POWER LINES DOWN ON PUMPING STATION ROAD JUST NORTH OF CONWAY ROAD. POSSIBLE TORNADO.
Jan 21, 4:09 AM CSTTSTM WND DMG2 Nne Runnelstown, MSTRAILER ON COLE DR. OFF US HWY 29 BLOWN OFF OF FOUNDATION AND WAS FOUND UPSIDE DOWN IN WOODS NEARBY. RESIDENTS GOT OUT BEFORE DAMAGE OCCURRED. POSSIBLE TORNADO.
Jan 21, 4:25 AM CSTTSTM WND DMG1 Nne Mulberry, MSTREES DOWN ON HOLLIS CREEK RD. POSSIBLE TORNADO.

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, 9.9 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, 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.

203 
WFUS54 KMOB 210952
TORMOB
MSC111-153-211030-
/O.NEW.KMOB.TO.W.0006.170121T0952Z-170121T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
352 AM CST SAT JAN 21 2017

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southwestern Wayne County in southeastern Mississippi...
  Northern Perry County in southeastern Mississippi...

* Until 430 AM CST
    
* At 351 AM CST, a tornado producing storm was located over
  Hattiesburg, moving northeast at 45 mph.

  HAZARD...Damaging tornado and quarter size hail. 

  SOURCE...Radar confirmed tornado. 

  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 impact Runnelstown. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3143 8915 3143 8894 3171 8894 3172 8893
      3164 8881 3143 8878 3143 8884 3141 8884
      3129 8915
TIME...MOT...LOC 0951Z 237DEG 41KT 3130 8931 

TORNADO...OBSERVED
HAIL...1.00IN

$$
1 follow-up statement
661 
WWUS54 KMOB 211009
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
409 AM CST SAT JAN 21 2017

MSC111-153-211030-
/O.CON.KMOB.TO.W.0006.000000T0000Z-170121T1030Z/
Wayne MS-Perry MS-
409 AM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 AM CST FOR
SOUTHWESTERN WAYNE AND NORTHERN PERRY COUNTIES...
        
At 408 AM CST, a confirmed tornado was located just north of
Runnelstown, or 9 miles northeast of Petal, moving northeast at 45
mph.

HAZARD...Damaging tornado and quarter size hail. 

SOURCE...Radar confirmed tornado. 

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...  
Runnelstown and rural northern Perry and southwestern Wayne
counties. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3143 8915 3143 8894 3171 8894 3172 8893
      3164 8881 3143 8878 3143 8884 3141 8884
      3129 8915
TIME...MOT...LOC 1008Z 237DEG 41KT 3141 8912 

TORNADO...OBSERVED
HAIL...1.00IN

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 21, 2:55 AM CSTSpecial Weather StatementMOBWayne35 min
Jan 21, 3:07 AM CSTSevere Thunderstorm WarningMOBWayne23 min
Jan 21, 4:03 AM CSTSevere Thunderstorm WarningMOBWayne42 min
Jan 21, 4:24 AM CSTTornado WarningMOBWayne51 min
Jan 21, 4:24 AM CSTTornado WarningMOBWayne21 min
Jan 21, 1:14 PM CSTRiver Flood WarningMOBGeorge, Greene, Perry5 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.