Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 97, NWS Birmingham, AL

November 29, 2016Pickens County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Nov 29, 2016, 6:35 PM CST for Pickens County, Alabama. It was in force for 55 min. 3 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
Nov 29, 2016, 6:35 PM CST (00:35 UTC)
Expired
Nov 29, 2016, 7:30 PM CST
In force
55 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Pickens County, AL

The radar

The Columbus AFB radar (KGWX), 58 km from the middle of the area, began a volume at 00:40 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
Nov 29, 7:15 PM CSTTORNADO5 Ne Ethelsville, ALAN EF1 WITH PEAK WINDS OF 95 MPH TOUCHED DOWN NE OF ETHELSVILLE. PATH WIDTH OF 600 YDS AND PATH LENGTH OF 5.3 MILES. THE DURATION OF THE TORNADO EVENT WAS 10 MINUTES.
Nov 29, 7:20 PM CSTTSTM WND DMG2 Ssw Shaw, ALTREES BLOCKING THE ROADWAY ON COUNTY ROAD 34 NORTH OF U.S. HIGHWAY 82. POSSIBLE TORNADO. CORRECTED TIME.
Nov 29, 7:36 PM CSTTSTM WND DMG2 Ssw Shaw, ALTREES BLOCKING THE ROADWAY ON COUNTY ROAD 34 NORTH OF U.S. HIGHWAY 82. 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
Nov 29, 5:37 PM CSTTornado WatchSPC3 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.6 hours before the alert went out and 126 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 2016-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 606 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 2016-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 410 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
606 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
410 m²/s²
0-3 km storm-relative helicity
477 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.4

Open this sounding in Storm Lab

The text

As transmitted.

463 
WUUS54 KBMX 300035
SVRBMX
ALC107-300130-
/O.NEW.KBMX.SV.W.0097.161130T0035Z-161130T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
635 PM CST TUE NOV 29 2016

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN PICKENS COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 730 PM CST

* AT 635 PM CST...A SEVERE THUNDERSTORM WAS LOCATED OVER BIGBEE
  VALLEY...OR 8 MILES WEST OF PICKENSVILLE...MOVING NORTHEAST AT 45
  MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  GORDO...REFORM...CARROLLTON...PICKENSVILLE...ETHELSVILLE...BEVILL
  LOCK AND DAM...PINE GROVE...NORTH PICKENS AIRPORT...LUBBUB...
  MCSHAN...FOREST...SHAW AND OWENS.

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 1000 PM CST FOR WEST CENTRAL
ALABAMA.

LAT...LON 3353 8827 3352 8784 3331 8784 3317 8832
TIME...MOT...LOC 0035Z 231DEG 40KT 3327 8840 

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

89^GSATTERWHITE
1 follow-up statement
982 
WWUS54 KBMX 300055
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
655 PM CST TUE NOV 29 2016

ALC107-300130-
/O.CON.KBMX.SV.W.0097.000000T0000Z-161130T0130Z/
PICKENS AL-
655 PM CST TUE NOV 29 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CST
FOR NORTHERN PICKENS COUNTY...

AT 655 PM CST...A SEVERE THUNDERSTORM WAS LOCATED OVER ETHELSVILLE...
OR 10 MILES WEST OF REFORM...MOVING NORTHEAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
GORDO...REFORM...ETHELSVILLE...SHAW...PINE GROVE...NORTH PICKENS
AIRPORT...LUBBUB...OWENS...MCSHAN AND FOREST.

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 1000 PM CST FOR WEST CENTRAL
ALABAMA.

LAT...LON 3353 8827 3352 8784 3331 8784 3329 8830
TIME...MOT...LOC 0055Z 231DEG 40KT 3341 8819 

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

89^GSATTERWHITE

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 29, 6:53 PM CSTSevere Thunderstorm WarningBMXLamar, Marion67 min
Nov 29, 7:16 PM CSTTornado Warning Tornado observedBMXPickens17 min
Nov 29, 7:22 PM CSTTornado Warning Tornado observedBMXFayette, Lamar53 min
Nov 29, 7:28 PM CSTTornado WarningBMXMarion, Winston62 min
Nov 29, 7:52 PM CSTTornado WarningBMXFayette38 min
Nov 29, 8:09 PM CSTTornado Warning Tornado observedBMXWinston21 min
Nov 29, 8:19 PM CSTTornado WarningBMXWinston26 min
Nov 29, 8:24 PM CSTTornado WarningBMXWalker, Winston44 min
Nov 29, 8:27 PM CSTTornado WarningBMXLamar, Pickens46 min
Nov 29, 10:13 PM CSTTornado WarningBMXWinston17 min
Nov 29, 11:35 PM CSTTornado WarningBMXFayette, Lamar, Marion55 min
Nov 30, 12:34 AM CSTTornado WarningBMXWinston24 min
Nov 30, 1:33 AM CSTAreal Flood AdvisoryBMXLamar, Marion, Winston3 hr
Nov 30, 2:33 AM CSTTornado WarningBMXWalker, Winston27 min
Nov 30, 4:25 AM CSTAreal Flood AdvisoryBMXFayette, Lamar, Marion, Winston3 hr
Nov 30, 7:35 AM CSTSpecial Weather StatementBMXHale, Marengo, Tuscaloosa55 min
Nov 30, 8:26 AM CSTSpecial Weather StatementBMXBibb, Chilton, Dallas, Jefferson, Marengo, Perry and 2 more64 min
Nov 30, 9:34 AM CSTSpecial Weather StatementBMXCalhoun, Cherokee, Cleburne, Etowah, St. Clair56 min
Nov 30, 9:47 AM CSTSpecial Weather StatementBMXTalladega43 min
Nov 30, 10:13 AM CSTSpecial Weather StatementBMXCoosa47 min
Nov 30, 10:33 AM CSTSpecial Weather StatementBMXClay, Cleburne, Randolph57 min
Nov 30, 10:42 AM CSTSpecial Weather StatementBMXLowndes48 min
Nov 30, 11:17 AM CSTSpecial Weather StatementBMXElmore43 min
Nov 30, 11:29 AM CSTSpecial Weather StatementBMXLowndes, Montgomery46 min
Nov 30, 12:04 PM CSTSpecial Weather StatementBMXLee, Macon56 min
Nov 30, 12:30 PM CSTSpecial Weather StatementBMXBullock, Russell45 min
Nov 30, 12:40 PM CSTSevere Thunderstorm WarningBMXChambers, Lee31 min
Nov 30, 12:43 PM CSTTornado Warning Tornado observedBMXChambers32 min
Nov 30, 1:12 PM CSTSpecial Weather StatementBMXBarbour, Russell63 min
Nov 30, 2:33 PM CSTSpecial Weather StatementBMXBarbour57 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.