Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 49, NWS Birmingham, AL

March 9, 2017Lamar County, Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 9, 2017, 7:34 PM CST for Lamar County, Marion County, Alabama. It was in force for 56 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: Mar 9, 2017, 7:34 PM CST (01:34 UTC)
Expired: Mar 9, 2017, 8:30 PM CST
In force: 56 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Lamar County, AL, Marion County, AL

The radar

The Columbus AFB radar (KGWX), 39 km from the middle of the area, began a volume at 01:34 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

Time	Report	Where	Remark
Mar 9, 7:46 PM CST	HAIL 1.75	Byrd, AL	GOLFBALL SIZE HAIL REPORTED ALONG HIGHWAY 19 IN THE BYRD COMMUNITY.
Mar 9, 8:01 PM CST	HAIL 1.5	1 Se Weston, AL	.
Mar 9, 8:04 PM CST	HAIL 1.75	Hamilton, AL	.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.6 hours before the alert went out and 159 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2156 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

472 
WUUS54 KBMX 100134
SVRBMX
ALC075-093-100230-
/O.NEW.KBMX.SV.W.0049.170310T0134Z-170310T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
734 PM CST THU MAR 9 2017

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  Central Marion County in northwestern Alabama...
  North central Lamar County in west central Alabama...

* Until 830 PM CST

* At 734 PM CST, a severe thunderstorm was located near Detroit, or
  12 miles east of Amory, moving east at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Hamilton, Hackleburg, Detroit, Weston, Brinn, Byrd, Pearces Mill
  and Rankin Fite Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3417 8819 3431 8783 3412 8778 3400 8821
TIME...MOT...LOC 0134Z 251DEG 34KT 3405 8827 

HAIL...1.25IN
WIND...60MPH
 
$$

89^GSatterwhite

4 follow-up statements

550 
WWUS54 KBMX 100148
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
748 PM CST THU MAR 9 2017

ALC075-100157-
/O.CAN.KBMX.SV.W.0049.000000T0000Z-170310T0230Z/
Lamar AL-
748 PM CST THU MAR 9 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL LAMAR COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3414 8819 3431 8783 3412 8778 3405 8803
      3406 8804 3406 8820
TIME...MOT...LOC 0147Z 251DEG 34KT 3409 8813 

$$

ALC093-100230-
/O.CON.KBMX.SV.W.0049.000000T0000Z-170310T0230Z/
Marion AL-
748 PM CST THU MAR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR CENTRAL MARION COUNTY...

At 747 PM CST, a severe thunderstorm was located near Detroit, or 8
miles west of Hamilton, moving east at 40 mph.

HAZARD...60 mph wind gusts and half dollar size hail. This storm has 
         a history of producing large hail in Mississippi.

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Hamilton, Hackleburg, Weston, Brinn, Byrd, Rankin Fite Airport and
Pearces Mill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3414 8819 3431 8783 3412 8778 3405 8803
      3406 8804 3406 8820
TIME...MOT...LOC 0147Z 251DEG 34KT 3409 8813 

HAIL...1.25IN
WIND...60MPH
 
$$

89^GSatterwhite

091 
WWUS54 KBMX 100151
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
751 PM CST THU MAR 9 2017

ALC093-100230-
/O.CON.KBMX.SV.W.0049.000000T0000Z-170310T0230Z/
Marion AL-
751 PM CST THU MAR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR CENTRAL MARION COUNTY...

At 751 PM CST, a severe thunderstorm was located near Weston, or 
near Hamilton, moving east at 40 mph. Golfball size hail has been 
reported with this storm in southwest Marion County!

HAZARD...Golf ball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

Locations impacted include...
Hamilton, Hackleburg, Weston, Brinn, Byrd, Rankin Fite Airport and
Pearces Mill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3414 8816 3431 8783 3412 8778 3406 8801
      3406 8815
TIME...MOT...LOC 0151Z 251DEG 34KT 3410 8808 

HAIL...1.75IN
WIND...60MPH
 
$$

89^GSatterwhite

490 
WWUS54 KBMX 100202
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
802 PM CST THU MAR 9 2017

ALC093-100230-
/O.CON.KBMX.SV.W.0049.000000T0000Z-170310T0230Z/
Marion AL-
802 PM CST THU MAR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR CENTRAL MARION COUNTY...

At 802 PM CST, a severe thunderstorm was located over Hamilton,
moving east at 40 mph. This storm is producing golfball size hail!

HAZARD...Golf ball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

Locations impacted include...
Hamilton, Hackleburg, Weston, Brinn, Rankin Fite Airport and Pearces
Mill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3417 8807 3431 8783 3412 8778 3407 8799
TIME...MOT...LOC 0202Z 251DEG 34KT 3414 8796 

HAIL...1.75IN
WIND...60MPH
 
$$

89^GSatterwhite

181 
WWUS54 KBMX 100211
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
811 PM CST THU MAR 9 2017

ALC093-100230-
/O.CON.KBMX.SV.W.0049.000000T0000Z-170310T0230Z/
Marion AL-
811 PM CST THU MAR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR NORTH CENTRAL MARION COUNTY...

At 810 PM CST, a severe thunderstorm was located near Brinn, or 7
miles east of Hamilton, moving east at 40 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

Locations impacted include...
Hackleburg, Brinn and Pearces Mill. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3422 8795 3429 8783 3412 8778 3411 8789
TIME...MOT...LOC 0210Z 251DEG 34KT 3417 8786 

HAIL...1.50IN
WIND...60MPH
 
$$

89^GSatterwhite

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 9, 6:44 PM CST	Severe Thunderstorm Warning	BMX	Marion	33 min
Mar 9, 8:12 PM CST	Severe Thunderstorm Warning	BMX	Marion	19 min
Mar 9, 8:33 PM CST	Special Weather Statement	BMX	Pickens	42 min
Mar 9, 11:38 PM CST	Special Weather Statement	BMX	Marion	37 min
Mar 9, 11:49 PM CST	Severe Thunderstorm Warning	BMX	Marion	41 min
Mar 10, 12:07 AM CST	Severe Thunderstorm Warning	BMX	Marion	31 min
Mar 10, 12:18 AM CST	Severe Thunderstorm Warning	BMX	Winston	57 min
Mar 10, 1:12 AM CST	Special Weather Statement	BMX	Blount	63 min
Mar 10, 1:14 AM CST	Special Weather Statement	BMX	Cherokee	61 min
Mar 10, 1:16 AM CST	Special Weather Statement	BMX	Marion, Winston	59 min
Mar 10, 1:21 AM CST	Special Weather Statement	BMX	Etowah	54 min
Mar 10, 1:44 AM CST	Special Weather Statement	BMX	Fayette, Lamar, Walker	76 min
Mar 10, 1:53 AM CST	Special Weather Statement	BMX	Calhoun, Cleburne, St. Clair	82 min
Mar 10, 1:59 AM CST	Special Weather Statement	BMX	Jefferson	76 min
Mar 10, 2:26 AM CST	Special Weather Statement	BMX	Pickens, Tuscaloosa	64 min
Mar 10, 2:36 AM CST	Severe Thunderstorm Warning	BMX	Jefferson, St. Clair, Shelby	54 min
Mar 10, 2:40 AM CST	Special Weather Statement	BMX	Clay, Randolph, Talladega	65 min
Mar 10, 2:58 AM CST	Special Weather Statement	BMX	Bibb	62 min
Mar 10, 3:03 AM CST	Special Weather Statement	BMX	Greene, Sumter	57 min
Mar 10, 3:15 AM CST	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Coosa	45 min
Mar 10, 3:24 AM CST	Severe Thunderstorm Warning	BMX	Clay, Coosa, Tallapoosa	51 min
Mar 10, 3:41 AM CST	Special Weather Statement	BMX	Chambers	64 min
Mar 10, 3:51 AM CST	Special Weather Statement	BMX	Autauga, Dallas, Elmore	54 min
Mar 10, 4:02 AM CST	Severe Thunderstorm Warning	BMX	Autauga, Elmore	28 min
Mar 10, 4:05 AM CST	Special Weather Statement	BMX	Lee	40 min
Mar 10, 4:15 AM CST	Severe Thunderstorm Warning	BMX	Macon, Montgomery	45 min
Mar 10, 4:21 AM CST	Special Weather Statement	BMX	Lowndes	39 min
Mar 10, 4:34 AM CST	Special Weather Statement	BMX	Bullock, Russell	41 min
Mar 10, 4:57 AM CST	Special Weather Statement	BMX	Barbour, Pike	48 min
Mar 10, 3:56 PM CST	Frost Advisory	BMX	Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 9 more	15 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2017 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.