Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 18, NWS Mobile, AL

February 15, 2016Mobile County, Washington County, Alabama; George County, Greene County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Feb 15, 2016, 12:47 PM CST for Mobile County, Washington County, Alabama; George County, Greene County, Mississippi. It was in force for 28 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
Feb 15, 2016, 12:47 PM CST (18:47 UTC)
Expired
Feb 15, 2016, 1:15 PM CST
In force
28 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Mobile County, AL, Washington County, AL, George County, MS, Greene County, MS

The radar

The Mobile radar (KMOB), 39 km from the middle of the area, began a volume at 18:47 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
Feb 15, 12:02 PM CSTTornado WatchSPC9 hr
Feb 15, 9:30 AM CSTTornado WatchSPC8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.8 hours before the alert went out and 157 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, Slidell Radar S, LA at 12:00Z on 2016-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 569 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, Slidell Radar S, LA at 12:00Z on 2016-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 square meters per square second.1939587897117Sfc1 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
569 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
320 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.4

Open this sounding in Storm Lab

The text

As transmitted.

517 
WUUS54 KMOB 151847
SVRMOB
ALC097-129-MSC039-041-151915-
/O.NEW.KMOB.SV.W.0018.160215T1847Z-160215T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1247 PM CST MON FEB 15 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MOBILE COUNTY IN SOUTHWESTERN ALABAMA...
  SOUTHWESTERN WASHINGTON COUNTY IN SOUTHWESTERN ALABAMA...
  NORTHEASTERN GEORGE COUNTY IN SOUTHEASTERN MISSISSIPPI...
  SOUTHEASTERN GREENE COUNTY IN SOUTHEASTERN MISSISSIPPI...

* UNTIL 115 PM CST

* AT 1246 PM CST...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES WEST OF
  GULFCREST...OR 12 MILES SOUTHWEST OF CITRONELLE...MOVING NORTHEAST AT
  40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  CITRONELLE...GULFCREST...DEER PARK AND MOWA CHOCTAW RESERVATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND WIDESPREAD
SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT IMMEDIATELY
LIKELY...IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
A BUILDING. THIS STORM MAY CAUSE SERIOUS INJURY AND SIGNIFICANT
PROPERTY DAMAGE.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FOR SOUTHEASTERN
MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CST
FOR SOUTHWESTERN ALABAMA.

LAT...LON 3083 8839 3094 8856 3133 8828 3117 8803
TIME...MOT...LOC 1846Z 217DEG 34KT 3099 8840 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
079 
WWUS54 KMOB 151856
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1256 PM CST MON FEB 15 2016

MSC039-041-151906-
/O.CAN.KMOB.SV.W.0018.000000T0000Z-160215T1915Z/
GEORGE MS-GREENE MS-
1256 PM CST MON FEB 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GEORGE AND
SOUTHEASTERN GREENE COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3097 8832 3106 8842 3133 8828 3117 8803
TIME...MOT...LOC 1856Z 217DEG 34KT 3107 8833 

$$

ALC097-129-151915-
/O.CON.KMOB.SV.W.0018.000000T0000Z-160215T1915Z/
MOBILE AL-WASHINGTON AL-
1256 PM CST MON FEB 15 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CST
FOR NORTHWESTERN MOBILE AND SOUTH CENTRAL WASHINGTON COUNTIES...

AT 1256 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR CITRONELLE...
MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
CITRONELLE AND DEER PARK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND WIDESPREAD
SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT IMMEDIATELY
LIKELY...IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
A BUILDING. THIS STORM MAY CAUSE SERIOUS INJURY AND SIGNIFICANT
PROPERTY DAMAGE.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3097 8832 3106 8842 3133 8828 3117 8803
TIME...MOT...LOC 1856Z 217DEG 34KT 3107 8833 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 5:00 AM CSTRip Current StatementMOBBaldwin, Mobile19 hr
Feb 15, 11:15 AM CSTSpecial Weather StatementMOBWashington45 min
Feb 15, 11:30 AM CSTWind AdvisoryMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more7 hr
Feb 15, 11:46 AM CSTSevere Thunderstorm WarningMOBWashington44 min
Feb 15, 11:47 AM CSTSpecial Weather StatementMOBConecuh43 min
Feb 15, 12:06 PM CSTTornado WarningMOBClarke, Washington39 min
Feb 15, 12:10 PM CSTTornado Warning Tornado observedMOBButler, Conecuh, Monroe23 min
Feb 15, 12:14 PM CSTSpecial Marine WarningMOB91 min
Feb 15, 12:24 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe36 min
Feb 15, 12:32 PM CSTTornado WarningMOBClarke, Wilcox43 min
Feb 15, 12:36 PM CSTTornado WarningMOBClarke, Washington39 min
Feb 15, 12:41 PM CSTSevere Thunderstorm WarningMOBMobile34 min
Feb 15, 12:44 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh46 min
Feb 15, 1:00 PM CSTSevere Thunderstorm WarningMOBMonroe30 min
Feb 15, 1:02 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia28 min
Feb 15, 1:10 PM CSTTornado WarningMOBWilcox35 min
Feb 15, 1:13 PM CSTTornado WarningMOBClarke, Washington47 min
Feb 15, 1:16 PM CSTSevere Thunderstorm WarningMOBWashington44 min
Feb 15, 1:18 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia27 min
Feb 15, 1:26 PM CSTSevere Thunderstorm WarningMOBMonroe, Wilcox49 min
Feb 15, 1:30 PM CSTSpecial Marine WarningMOB90 min
Feb 15, 1:33 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh42 min
Feb 15, 1:34 PM CSTSpecial Marine WarningMOB86 min
Feb 15, 1:45 PM CSTSpecial Marine WarningMOB90 min
Feb 15, 1:46 PM CSTTornado WarningMOBClarke, Washington44 min
Feb 15, 2:06 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe39 min
Feb 15, 2:07 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh38 min
Feb 15, 2:26 PM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox49 min
Feb 15, 2:35 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw40 min
Feb 15, 2:41 PM CSTSpecial Marine WarningMOB34 min
Feb 15, 2:52 PM CSTSevere Thunderstorm WarningMOBBaldwin38 min
Feb 15, 3:06 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw24 min
Feb 15, 3:15 PM CSTSpecial Marine WarningMOB90 min
Feb 15, 3:16 PM CSTSevere Thunderstorm WarningMOBConecuh, Monroe29 min
Feb 15, 3:19 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Mobile, Monroe, Washington, Wilcox41 min
Feb 15, 3:21 PM CSTTornado WarningMOBEscambia39 min
Feb 15, 3:23 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia52 min
Feb 15, 3:30 PM CSTSpecial Marine WarningMOB2 hr
Feb 15, 3:56 PM CSTTornado Warning Tornado observedConsiderable damage threatMOBConecuh, Escambia49 min
Feb 15, 3:59 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Mobile, Monroe, Washington31 min
Feb 15, 4:04 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia26 min
Feb 15, 4:10 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw50 min
Feb 15, 4:28 PM CSTSevere Thunderstorm WarningMOBBaldwin, Butler, Clarke, Conecuh, Escambia, Mobile and 3 more32 min
Feb 15, 4:31 PM CSTTornado WarningMOBButler, Conecuh, Covington, Crenshaw, Escambia44 min
Feb 15, 4:32 PM CSTSpecial Marine WarningMOB88 min
Feb 15, 4:54 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw36 min
Feb 15, 5:09 PM CSTSevere Thunderstorm WarningMOBEscambia12 min
Feb 15, 5:10 PM CSTTornado Warning Tornado observedMOBButler, Covington, Crenshaw50 min
Feb 15, 5:20 PM CSTSpecial Weather StatementMOBEscambia40 min
Feb 15, 5:26 PM CSTSpecial Marine WarningMOB94 min
Feb 15, 5:37 PM CSTSevere Thunderstorm WarningMOBCovington, Crenshaw23 min
Feb 15, 5:59 PM CSTSevere Thunderstorm WarningMOBCovington, Escambia31 min
Feb 15, 10:55 AM CSTSpecial Weather StatementMOBPerry35 min
Feb 15, 11:05 AM CSTSevere Thunderstorm WarningMOBGreene, Perry, Wayne40 min
Feb 15, 11:17 AM CSTTornado WarningMOBGreene28 min
Feb 15, 2:38 PM CSTSevere Thunderstorm WarningMOBGeorge, Greene, Perry, Wayne52 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2016Severe Thunderstorm Warnings in Mississippi, 2016Every severe thunderstorm warning in 2016

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.