Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 13, NWS Mobile, AL

January 2, 20177 counties in Alabama; George County, Greene County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jan 2, 2017, 3:59 PM CST for 7 counties in Alabama; George County, Greene County, Mississippi. It was in force for 61 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
Jan 2, 2017, 3:59 PM CST (21:59 UTC)
Expired
Jan 2, 2017, 5:00 PM CST
In force
61 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
70.0 mph

Counties Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, George County, MS, Greene County, MS

The radar

The Mobile radar (KMOB), 125 km from the middle of the area, began a volume at 22:01 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 2, 11:22 AM CSTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.0 hours before the alert went out and 192 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, Birmingham, AL at 12:00Z on 2017-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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, Birmingham, AL at 12:00Z on 2017-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.19395878Sfc1 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
11 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

285 
WUUS54 KMOB 022159
SVRMOB
ALC003-023-025-097-099-129-131-MSC039-041-022300-
/O.NEW.KMOB.SV.W.0013.170102T2159Z-170102T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
359 PM CST MON JAN 2 2017

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Northwestern Baldwin County in southwestern Alabama...
  Northern Mobile County in southwestern Alabama...
  Western Monroe County in south central Alabama...
  Central Choctaw County in southwestern Alabama...
  Western Wilcox County in south central Alabama...
  Washington County in southwestern Alabama...
  Clarke County in southwestern Alabama...
  George County in southeastern Mississippi...
  Eastern Greene County in southeastern Mississippi...

* Until 500 PM CST

* At 358 PM CST, severe thunderstorms were located along a line
  extending from Kinterbish to 7 miles east of Toxey to near
  Fruitdale to near Leakesville to 12 miles northwest of Wade,
  moving northeast at 55 mph. Damage has been reported from this
  line of thunderstorms as it moved through New Augusta Mississippi.

  HAZARD...70 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. 

* Locations impacted include...
  Jackson, Thomasville, Citronelle, Lucedale, Creola, Butler, Grove
  Hill, Chatom, Chunchula, Stockton, Saint Stephens, Wagarville,
  Leroy, Gulfcrest, Deer Park, Axis, Whatley, Tibbie, Pine Hill and
  Mount Vernon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

&&

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama...and southeastern Mississippi.

LAT...LON 3231 8793 3228 8802 3218 8801 3209 8804
      3205 8812 3199 8810 3200 8763 3213 8762
      3213 8752 3227 8751 3214 8725 3123 8756
      3124 8762 3098 8762 3073 8855 3073 8878
      3109 8856 3133 8850 3189 8823 3231 8834
TIME...MOT...LOC 2158Z 244DEG 49KT 3231 8828 3191 8818 3136 8845 3112
8851 3075 8874

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

Butts
1 follow-up statement
919 
WWUS54 KMOB 022232
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
432 PM CST MON JAN 2 2017

ALC023-MSC039-041-022240-
/O.CAN.KMOB.SV.W.0013.000000T0000Z-170102T2300Z/
Choctaw AL-George MS-Greene MS-
432 PM CST MON JAN 2 2017

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHOCTAW...GEORGE AND
EASTERN GREENE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama.

Additional statements will be issued as conditions warrant.

LAT...LON 3214 8725 3123 8756 3124 8762 3098 8762
      3077 8841 3101 8843 3186 8801 3199 8807
      3200 8763 3213 8762 3213 8752 3227 8751
TIME...MOT...LOC 2230Z 273DEG 54KT 3232 8778 3192 8769 3137 8796 3113
8802 3076 8825

$$

ALC003-025-097-099-129-131-022300-
/O.CON.KMOB.SV.W.0013.000000T0000Z-170102T2300Z/
Baldwin AL-Mobile AL-Monroe AL-Wilcox AL-Washington AL-Clarke AL-
432 PM CST MON JAN 2 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CST
FOR NORTHWESTERN BALDWIN...NORTHERN MOBILE...WESTERN MONROE...WESTERN
WILCOX...CENTRAL WASHINGTON AND CLARKE COUNTIES...

At 430 PM CST, severe thunderstorms were located along a line
extending from Linden to near Thomasville to 6 miles southeast of
Wagarville to Calvert to Semmes, moving east at 60 mph.

HAZARD...70 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings. 

Locations impacted include...
Jackson, Thomasville, Citronelle, Creola, Grove Hill, Chunchula,
Stockton, Saint Stephens, Wagarville, Leroy, Gulfcrest, Deer Park,
Axis, Whatley, Tibbie, Pine Hill, Mount Vernon, Calvert, Fulton and
McIntosh.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

Additional statements will be issued as conditions warrant.

&&

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama.

LAT...LON 3214 8725 3123 8756 3124 8762 3098 8762
      3077 8841 3101 8843 3186 8801 3199 8807
      3200 8763 3213 8762 3213 8752 3227 8751
TIME...MOT...LOC 2230Z 273DEG 54KT 3232 8778 3192 8769 3137 8796 3113
8802 3076 8825

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

Butts

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 7:06 PM CSTAreal Flood AdvisoryMOBBaldwin, Mobile3 hr
Jan 1, 7:46 PM CSTAreal Flood AdvisoryMOBBaldwin, Conecuh, Escambia, Monroe3 hr
Jan 1, 8:10 PM CSTFlash Flood WarningMOBMobile6 hr
Jan 1, 11:08 PM CSTAreal Flood AdvisoryMOBBaldwin3 hr
Jan 2, 3:22 AM CSTSmall Craft AdvisoryMOB27 hr
Jan 2, 6:05 AM CSTRip Current StatementMOBBaldwin, Mobile24 hr
Jan 2, 10:51 AM CSTSevere Thunderstorm WarningMOBWashington54 min
Jan 2, 11:16 AM CSTTornado WarningMOBWashington26 min
Jan 2, 11:56 AM CSTSevere Thunderstorm WarningMOBClarke, Washington49 min
Jan 2, 12:05 PM CSTSpecial Marine WarningMOB55 min
Jan 2, 12:10 PM CSTFlash Flood Warning EmergencyMOBClarke, Conecuh, Monroe, Washington6 hr
Jan 2, 12:19 PM CSTSpecial Weather StatementMOBWilcox41 min
Jan 2, 12:27 PM CSTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe48 min
Jan 2, 12:51 PM CSTTornado WarningMOBWashington19 min
Jan 2, 12:57 PM CSTSpecial Marine WarningMOB63 min
Jan 2, 12:58 PM CSTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe, Wilcox47 min
Jan 2, 1:10 PM CSTSpecial Marine WarningMOB65 min
Jan 2, 1:27 PM CSTSpecial Marine WarningMOB48 min
Jan 2, 1:44 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Monroe, Wilcox46 min
Jan 2, 1:52 PM CSTSpecial Marine WarningMOB38 min
Jan 2, 2:00 PM CSTSpecial Marine WarningMOB60 min
Jan 2, 2:02 PM CSTFlash Flood WarningMOBWashington6 hr
Jan 2, 2:11 PM CSTSpecial Marine WarningMOB64 min
Jan 2, 2:20 PM CSTSevere Thunderstorm WarningMOBBaldwin, Butler, Clarke, Conecuh, Covington, Escambia and 1 more40 min
Jan 2, 2:33 PM CSTTornado WarningMOBBaldwin48 min
Jan 2, 2:40 PM CSTSpecial Weather StatementMOBCrenshaw50 min
Jan 2, 2:47 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Monroe43 min
Jan 2, 2:50 PM CSTTornado WarningMOBCrenshaw40 min
Jan 2, 2:51 PM CSTSpecial Marine WarningMOB54 min
Jan 2, 2:55 PM CSTFlash Flood WarningMOBButler, Conecuh, Covington, Crenshaw, Monroe, Wilcox6 hr
Jan 2, 3:03 PM CSTAreal Flood WarningMOBBaldwin, Clarke, Conecuh, Covington, Escambia, Mobile and 2 more24 hr
Jan 2, 3:07 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington53 min
Jan 2, 3:11 PM CSTSpecial Marine WarningMOB49 min
Jan 2, 3:13 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw19 min
Jan 2, 3:30 PM CSTSpecial Marine WarningMOB60 min
Jan 2, 3:37 PM CSTSpecial Marine WarningMOB68 min
Jan 2, 3:44 PM CSTSevere Thunderstorm WarningMOBMobile46 min
Jan 2, 3:53 PM CSTSpecial Marine WarningMOB2 hr
Jan 2, 4:06 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw54 min
Jan 2, 4:18 PM CSTSpecial Marine WarningMOB42 min
Jan 2, 4:23 PM CSTSevere Thunderstorm WarningMOBBaldwin52 min
Jan 2, 4:29 PM CSTSevere Thunderstorm WarningMOBMobile31 min
Jan 2, 4:48 PM CSTFlash Flood WarningMOBBaldwin, Mobile6 hr
Jan 2, 4:55 PM CSTSevere Thunderstorm WarningMOBBaldwin, Butler, Clarke, Conecuh, Escambia, Mobile and 1 more65 min
Jan 2, 4:59 PM CSTSpecial Marine WarningMOB61 min
Jan 2, 5:35 PM CSTSpecial Weather StatementMOBButler40 min
Jan 2, 5:42 PM CSTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Covington, Escambia, Monroe63 min
Jan 2, 5:56 PM CSTAreal Flood WarningMOBBaldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 5 more24 hr
Jan 2, 5:59 PM CSTSpecial Marine WarningMOB91 min
Jan 2, 10:09 AM CSTSpecial Weather StatementMOBGreene66 min
Jan 2, 10:12 AM CSTTornado WarningMOBGeorge, Greene48 min
Jan 2, 11:49 AM CSTSpecial Weather StatementMOBStone41 min
Jan 2, 12:02 PM CSTSevere Thunderstorm WarningMOBStone43 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2017Severe Thunderstorm Warnings in Mississippi, 2017Every severe thunderstorm warning 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.