Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 7, NWS Mobile, AL

January 21, 2017Wayne County, Mississippi; Choctaw County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Jan 21, 2017, 4:24 AM CST for Wayne County, Mississippi; Choctaw County, Washington County, Alabama. It was in force for 51 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
Jan 21, 2017, 4:24 AM CST (10:24 UTC)
Expired
Jan 21, 2017, 5:15 AM CST
In force
51 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Choctaw County, AL, Washington County, AL, Wayne County, MS

The radar

The Mobile radar (KMOB), 110 km from the middle of the area, began a volume at 10:25 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, 4:25 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
Jan 21, 3:56 AM CSTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 10.4 hours before the alert went out and 154 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.

653 
WFUS54 KMOB 211024
TORMOB
ALC023-129-MSC153-211115-
/O.NEW.KMOB.TO.W.0007.170121T1024Z-170121T1115Z/

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

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southwestern Choctaw County in southwestern Alabama...
  Northwestern Washington County in southwestern Alabama...
  Southern Wayne County in southeastern Mississippi...

* Until 515 AM CST
    
* At 424 AM CST, a severe thunderstorm capable of producing a tornado
  was located 8 miles east of Ovett, or 10 miles north of Richton,
  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...
  Clara around 440 AM CST. 
  Waynesboro and Buckatunna around 450 AM CST. 
  Millry around 510 AM CST. 
  Silas around 515 AM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3158 8894 3187 8834 3163 8820 3143 8878
      3143 8894
TIME...MOT...LOC 1024Z 244DEG 39KT 3150 8889 

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

$$
4 follow-up statements
266 
WWUS54 KMOB 211030
SVSMOB

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

ALC023-129-MSC153-211115-
/O.CON.KMOB.TO.W.0007.000000T0000Z-170121T1115Z/
Choctaw AL-Washington AL-Wayne MS-
430 AM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CST FOR
SOUTHWESTERN CHOCTAW...NORTHWESTERN WASHINGTON AND SOUTHERN WAYNE
COUNTIES...
    
At 429 AM CST, a large and extremely dangerous tornado was located 7
miles west of Clara, or 13 miles southwest of Waynesboro, moving
northeast at 50 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar indicated rotation. 

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...
  Clara around 440 AM CST. 
  Waynesboro around 445 AM CST. 
  Silas around 510 AM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, 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 3158 8894 3187 8834 3163 8820 3143 8878
      3143 8894
TIME...MOT...LOC 1029Z 241DEG 44KT 3155 8883 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$
266 
WWUS54 KMOB 211050
SVSMOB

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

ALC023-129-MSC153-211115-
/O.CON.KMOB.TO.W.0007.000000T0000Z-170121T1115Z/
Choctaw AL-Washington AL-Wayne MS-
450 AM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CST FOR
SOUTHWESTERN CHOCTAW...NORTHWESTERN WASHINGTON AND SOUTHERN WAYNE
COUNTIES...
    
At 450 AM CST, a large and extremely dangerous tornado was located
near Waynesboro, moving northeast at 55 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar indicated rotation. 

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...
  Silas around 505 AM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, 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 3158 8894 3187 8834 3163 8820 3143 8878
      3143 8894
TIME...MOT...LOC 1050Z 237DEG 46KT 3171 8856 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$
422 
WWUS54 KMOB 211059
SVSMOB

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

ALC023-129-MSC153-211115-
/O.CON.KMOB.TO.W.0007.000000T0000Z-170121T1115Z/
Choctaw AL-Washington AL-Wayne MS-
459 AM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CST FOR
SOUTHWESTERN CHOCTAW...NORTHWESTERN WASHINGTON AND SOUTHERN WAYNE
COUNTIES...
    
At 455 AM CST, a large and extremely dangerous tornado was located
near Waynesboro, moving northeast at 55 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

In addition to this dangerous storm, a second severe thunderstorm
capable of producing a tornado was located 9 miles east of Ovett, or
11 miles northeast of Richton, moving east at 50 mph.  This second
storm capable of producing a tornado will be near Waynesboro and
Buckatunna around 515 AM CST. 

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar indicated rotation. 

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...
  Silas around 505 AM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, 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 3158 8894 3187 8834 3163 8820 3143 8878
      3143 8894
TIME...MOT...LOC 1055Z 248DEG 44KT 3150 8887 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$
339 
WWUS54 KMOB 211112
SVSMOB

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

ALC023-129-MSC153-211121-
/O.EXP.KMOB.TO.W.0007.000000T0000Z-170121T1115Z/
Choctaw AL-Washington AL-Wayne MS-
512 AM CST SAT JAN 21 2017

...THE TORNADO WARNING FOR SOUTHWESTERN CHOCTAW...NORTHWESTERN
WASHINGTON AND SOUTHERN WAYNE COUNTIES WILL EXPIRE AT 515 AM CST...
        
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 700 AM CST for southeastern
Mississippi. A tornado watch also remains in effect until 1100 AM CST
for southwestern Alabama.

LAT...LON 3158 8894 3187 8834 3163 8820 3143 8878
      3143 8894
TIME...MOT...LOC 1111Z 245DEG 41KT 3158 8868 

$$

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, 3:52 AM CSTTornado Warning Tornado observedMOBPerry, Wayne38 min
Jan 21, 4:03 AM CSTSevere Thunderstorm WarningMOBWayne42 min
Jan 21, 4:24 AM CSTTornado WarningMOBWayne21 min
Jan 21, 1:14 PM CSTRiver Flood WarningMOBGeorge, Greene, Perry5 days
Jan 20, 8:47 PM CSTRiver Flood WarningMOBEscambia25 hr
Jan 20, 8:48 PM CSTRiver Flood WarningMOBCovington, Escambia3 days
Jan 20, 10:18 PM CSTRip Current StatementMOBBaldwin, Mobile56 hr
Jan 21, 1:56 AM CSTSpecial Weather StatementMOBClarke34 min
Jan 21, 2:16 AM CSTSpecial Weather StatementMOBClarke44 min
Jan 21, 2:31 AM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox44 min
Jan 21, 3:12 AM CSTSpecial Weather StatementMOBWilcox48 min
Jan 21, 3:37 AM CSTSpecial Weather StatementMOBChoctaw38 min
Jan 21, 4:52 AM CSTTornado WarningMOBChoctaw38 min
Jan 21, 5:06 AM CSTTornado Warning Considerable damage threatMOBChoctaw, Clarke39 min
Jan 21, 5:45 AM CSTSevere Thunderstorm WarningMOBClarke, Wilcox34 min
Jan 21, 7:02 AM CSTTornado WarningMOBMobile22 min
Jan 21, 7:07 AM CSTSpecial Weather StatementMOBConecuh38 min
Jan 21, 7:22 AM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile38 min
Jan 21, 7:28 AM CSTWind AdvisoryMOBBaldwin, Mobile4 hr
Jan 21, 7:32 AM CSTSpecial Marine WarningMOB58 min
Jan 21, 7:36 AM CSTSpecial Weather StatementMOBConecuh, Escambia, Monroe54 min
Jan 21, 8:18 AM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw42 min
Jan 21, 8:27 AM CSTSpecial Marine WarningMOB63 min
Jan 21, 9:14 AM CSTSpecial Weather StatementMOBCovington91 min
Jan 21, 9:21 AM CSTSevere Thunderstorm WarningMOBCovington39 min
Jan 21, 9:28 AM CSTSpecial Marine WarningMOB92 min
Jan 21, 10:57 AM CSTSpecial Marine WarningMOB48 min
Jan 21, 3:50 PM CSTGale WarningMOB41 hr

Nearby

Tornado Warnings in Alabama, 2017Tornado 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.