Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 19, NWS Birmingham, AL

March 31, 2016Marengo County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 31, 2016, 6:33 PM CDT for Marengo County, Alabama. It was in force for 57 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
Mar 31, 2016, 6:33 PM CDT (23:33 UTC)
Expired
Mar 31, 2016, 7:30 PM CDT
In force
57 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Marengo County, AL

The radar

The Birmingham radar (KBMX), 157 km from the middle of the area, began a volume at 23:36 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
Mar 31, 6:45 PM CDTHAIL 13 Ese Putnam, AL

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
Mar 31, 5:58 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.6 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, Birmingham, AL at 12:00Z on 2016-03-31Temperature 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, Birmingham, AL at 12:00Z on 2016-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 441 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1040 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
441 m²/s²
0-3 km storm-relative helicity
538 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

432 
WUUS54 KBMX 312333
SVRBMX
ALC091-010030-
/O.NEW.KBMX.SV.W.0019.160331T2333Z-160401T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
633 PM CDT THU MAR 31 2016

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MARENGO COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 730 PM CDT

* AT 632 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PUTNAM...OR 12
  MILES SOUTHEAST OF BUTLER...MOVING EAST 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...
  SWEET WATER...DIXONS MILL...MAGNOLIA...VINELAND...SURGINER...WAYNE...
  SHAWNEE...PUTNAM...NICHOLSVILLE...CLAYHILL AND SLATER.

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 100 AM CDT FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3222 8752 3213 8752 3213 8762 3200 8763
      3200 8767 3199 8767 3199 8807 3201 8809
      3199 8810 3201 8812 3202 8811
TIME...MOT...LOC 2332Z 256DEG 34KT 3195 8809 

HAIL...1.00IN
WIND...60MPH
 
$$

87/GRANTHAM
2 follow-up statements
500 
WWUS54 KBMX 312343
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
643 PM CDT THU MAR 31 2016

ALC091-010030-
/O.CON.KBMX.SV.W.0019.000000T0000Z-160401T0030Z/
MARENGO AL-
643 PM CDT THU MAR 31 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHERN MARENGO COUNTY...

AT 643 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PUTNAM...OR 14
MILES WEST OF THOMASVILLE...MOVING EAST 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...
SWEET WATER...DIXONS MILL...MAGNOLIA...VINELAND...SURGINER...WAYNE...
SHAWNEE...PUTNAM...NICHOLSVILLE...CLAYHILL AND SLATER.

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 100 AM CDT FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3222 8752 3213 8752 3213 8762 3200 8763
      3200 8767 3199 8767 3199 8807 3201 8809
      3199 8810 3201 8812 3202 8811
TIME...MOT...LOC 2343Z 256DEG 34KT 3198 8796 

HAIL...1.00IN
WIND...60MPH
 
$$

87/GRANTHAM
408 
WWUS54 KBMX 010001
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
701 PM CDT THU MAR 31 2016

ALC091-010030-
/O.CON.KBMX.SV.W.0019.000000T0000Z-160401T0030Z/
MARENGO AL-
701 PM CDT THU MAR 31 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHEASTERN MARENGO COUNTY...

AT 701 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER DIXONS MILL...OR
7 MILES NORTH OF THOMASVILLE...MOVING EAST 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...
DIXONS MILL...MAGNOLIA...VINELAND...SURGINER...WAYNE...SHAWNEE AND
CLAYHILL.

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 100 AM CDT FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3199 8784 3209 8787 3220 8752 3213 8752
      3213 8762 3200 8763 3200 8767 3199 8767
TIME...MOT...LOC 0001Z 256DEG 34KT 3202 8776 

HAIL...1.00IN
WIND...60MPH
 
$$

87/GRANTHAM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 5:37 AM CDTSpecial Weather StatementBMXSumter23 min
Mar 31, 8:47 AM CDTAreal Flood AdvisoryBMXLamar, Marion, Winston118 min
Mar 31, 9:54 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter35 hr
Mar 31, 9:54 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter3 days
Mar 31, 9:59 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo60 hr
Mar 31, 6:12 PM CDTSevere Thunderstorm WarningBMXLamar, Pickens63 min
Mar 31, 6:22 PM CDTTornado WarningBMXLamar, Pickens50 min
Mar 31, 6:58 PM CDTTornado WarningBMXFayette46 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.