Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 7, NWS Mobile, AL

January 21, 2016Conecuh County, Covington County, Escambia County, Alabama; Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jan 21, 2016, 11:46 PM CST for Conecuh County, Covington County, Escambia County, Alabama; Okaloosa County, Santa Rosa County, Florida. It was in force for 44 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 21, 2016, 11:46 PM CST (05:46 UTC)
Expired
Jan 22, 2016, 12:30 AM CST
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Conecuh County, AL, Covington County, AL, Escambia County, AL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 112 km from the middle of the area, began a volume at 05:45 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 21, 6:53 PM CSTTornado WatchSPC10 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 5.8 hours before the alert went out and 223 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 00:00Z on 2016-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 00:00Z on 2016-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 345 square meters per square second.1939587897Sfc1 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
8 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
450 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
345 m²/s²
0-3 km storm-relative helicity
420 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

280 
WUUS54 KMOB 220546
SVRMOB
ALC035-039-053-FLC091-113-220630-
/O.NEW.KMOB.SV.W.0007.160122T0546Z-160122T0630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1146 PM CST THU JAN 21 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  WESTERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
  EASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHEASTERN SANTA ROSA COUNTY IN NORTHWESTERN FLORIDA...
  NORTHWESTERN OKALOOSA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 1230 AM CST

* AT 1146 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 5 MILES SOUTHEAST OF EVERGREEN TO 6 MILES NORTHEAST
  OF BREWTON TO 3 MILES SOUTHEAST OF RIVERVIEW TO 3 MILES WEST OF
  WHITFIELD...MOVING EAST TO NORTHEAST AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  BREWTON...EVERGREEN...EAST BREWTON...CASTLEBERRY...JAY...RIVER
  FALLS...RED LEVEL...RIVERVIEW...I65 AND AL 83...WHITFIELD AND US 29
  AND CR 43.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTH CENTRAL
ALABAMA AND NORTHWESTERN FLORIDA.

LAT...LON 3091 8657 3085 8719 3120 8714 3139 8698
      3147 8700 3148 8651
TIME...MOT...LOC 0546Z 230DEG 76KT 3138 8689 3117 8700 3102 8704 3087
8712

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
195 
WWUS54 KMOB 220614
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1214 AM CST FRI JAN 22 2016

ALC035-039-053-FLC091-113-220630-
/O.CON.KMOB.SV.W.0007.000000T0000Z-160122T0630Z/
CONECUH AL-COVINGTON AL-ESCAMBIA AL-SANTA ROSA FL-OKALOOSA FL-
1214 AM CST FRI JAN 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CST
FOR SOUTHEASTERN CONECUH...WESTERN COVINGTON...EASTERN ESCAMBIA...
NORTHEASTERN SANTA ROSA AND NORTHWESTERN OKALOOSA COUNTIES...

AT 1214 AM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 4 MILES SOUTH OF MCKENZIE TO NEAR RED LEVEL TO 9 MILES
EAST OF US 29 AND CR 43 TO 9 MILES EAST OF WHITFIELD...MOVING
NORTHEAST AT 60 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...LAW ENFORCEMENT. 

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

LOCATIONS IMPACTED INCLUDE...
RIVER FALLS...RED LEVEL...WHITFIELD AND US 29 AND CR 43. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTH CENTRAL
ALABAMA AND NORTHWESTERN FLORIDA.

LAT...LON 3091 8657 3087 8707 3122 8680 3137 8685
      3147 8684 3148 8651
TIME...MOT...LOC 0614Z 239DEG 52KT 3147 8672 3140 8665 3112 8665 3088
8689

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 6:15 PM CSTSpecial Marine WarningMOB30 min
Jan 21, 6:44 PM CSTSpecial Marine WarningMOB31 min
Jan 21, 6:50 PM CSTSpecial Marine WarningMOB25 min
Jan 21, 7:39 PM CSTSevere Thunderstorm WarningMOBChoctaw66 min
Jan 21, 7:57 PM CSTSpecial Weather StatementMOBChoctaw63 min
Jan 21, 7:59 PM CSTSpecial Weather StatementMOBEscambia46 min
Jan 21, 8:18 PM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington10 days
Jan 21, 8:18 PM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington10 days
Jan 21, 8:20 PM CSTSpecial Weather StatementMOBMobile40 min
Jan 21, 8:36 PM CSTSpecial Marine WarningMOB54 min
Jan 21, 8:52 PM CSTSpecial Weather StatementMOBBaldwin23 min
Jan 21, 9:10 PM CSTSpecial Weather StatementMOBClarke, Washington50 min
Jan 21, 9:14 PM CSTSpecial Weather StatementMOBCovington46 min
Jan 21, 9:19 PM CSTSpecial Weather StatementMOBMobile41 min
Jan 21, 9:26 PM CSTSpecial Weather StatementMOBEscambia49 min
Jan 21, 9:37 PM CSTSpecial Marine WarningMOB38 min
Jan 21, 9:48 PM CSTSpecial Weather StatementMOBClarke, Washington, Wilcox57 min
Jan 21, 9:51 PM CSTAreal Flood AdvisoryMOBMobile3 hr
Jan 21, 9:58 PM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile47 min
Jan 21, 10:03 PM CSTSpecial Marine WarningMOB57 min
Jan 21, 10:12 PM CSTSpecial Marine WarningMOB63 min
Jan 21, 10:38 PM CSTSevere Thunderstorm WarningMOBBaldwin, Escambia37 min
Jan 21, 10:47 PM CSTSpecial Marine WarningMOB88 min
Jan 21, 10:58 PM CSTTornado WarningMOBBaldwin, Escambia32 min
Jan 21, 11:05 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia40 min
Jan 21, 11:17 PM CSTSpecial Marine WarningMOB88 min
Jan 21, 11:40 PM CSTWind AdvisoryMOBBaldwin, Mobile19 hr
Jan 22, 12:00 AM CSTSpecial Marine WarningMOB90 min
Jan 22, 12:11 AM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Crenshaw, Escambia64 min
Jan 22, 12:43 AM CSTSpecial Marine WarningMOB92 min
Jan 22, 1:02 AM CSTSpecial Marine WarningMOB58 min
Jan 22, 1:31 AM CSTSpecial Marine WarningMOB59 min
Jan 22, 1:59 AM CSTSpecial Marine WarningMOB61 min
Jan 22, 10:34 AM CSTRiver Flood WarningMOBEscambia9 days
Jan 21, 6:17 PM CSTSevere Thunderstorm WarningMOBOkaloosa58 min
Jan 21, 6:54 PM CSTSpecial Weather StatementMOBEscambia36 min
Jan 21, 8:01 PM CSTAreal Flood AdvisoryMOBOkaloosa119 min
Jan 21, 8:05 PM CSTRiver Flood WarningMOBOkaloosa67 hr
Jan 22, 12:11 AM CSTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa64 min
Jan 22, 12:32 AM CSTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa43 min
Jan 22, 1:14 AM CSTSevere Thunderstorm WarningMOBOkaloosa31 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2016Severe Thunderstorm Warnings in Florida, 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.