Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 48, NWS Birmingham, AL

March 9, 2017Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 9, 2017, 6:44 PM CST for Marion County, Alabama. It was in force for 33 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 9, 2017, 6:44 PM CST (00:44 UTC)
Expired: Mar 9, 2017, 7:17 PM CST
In force: 33 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Marion County, AL

The radar

The Columbus AFB radar (KGWX), 55 km from the middle of the area, began a volume at 00:47 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.

What was reported inside it

Time	Report	Where	Remark
Mar 9, 7:01 PM CST	HAIL 1	3 Ese Brinn, AL	REPORT RELAYED VIA SOCIAL MEDIA.

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, 0.7 hours before the alert went out and 142 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.

796 
WUUS54 KBMX 100044
SVRBMX
ALC093-100130-
/O.NEW.KBMX.SV.W.0048.170310T0044Z-170310T0130Z/

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

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  East central Marion County in northwestern Alabama...

* Until 730 PM CST

* At 644 PM CST, a severe thunderstorm was located near Brinn, or 
  near Hamilton, moving east at 25 mph. This storm has a history of 
  producing nickle to quarter-sized hail.

  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...
  Lake Buttahatchee, Brinn, Pearces Mill and Piney Grove. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3412 8793 3418 8790 3417 8764 3406 8764
TIME...MOT...LOC 0044Z 278DEG 22KT 3414 8786 

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

89^GSatterwhite

4 follow-up statements

119 
WWUS54 KBMX 100049
SVSBMX

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

ALC093-100130-
/O.CON.KBMX.SV.W.0048.000000T0000Z-170310T0130Z/
Marion AL-
649 PM CST THU MAR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CST
FOR EAST CENTRAL MARION COUNTY...

At 648 PM CST, a severe thunderstorm was located over Brinn, or 9 
miles east of Hamilton, moving east at 25 mph. This storm has a 
history of producing nickel to quarter sized hail.

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...
Lake Buttahatchee, Brinn, Pearces Mill and Piney Grove. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3411 8789 3418 8787 3417 8764 3406 8764
TIME...MOT...LOC 0048Z 278DEG 22KT 3414 8783 

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

89^GSatterwhite

091 
WWUS54 KBMX 100058
SVSBMX

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

ALC093-100130-
/O.CON.KBMX.SV.W.0048.000000T0000Z-170310T0130Z/
Marion AL-
658 PM CST THU MAR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CST
FOR EAST CENTRAL MARION COUNTY...

At 658 PM CST, a severe thunderstorm was located near Lake
Buttahatchee, or 10 miles southwest of Haleyville, moving east at 25
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...
Lake Buttahatchee and Brinn. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3412 8782 3417 8780 3417 8764 3406 8764
TIME...MOT...LOC 0058Z 278DEG 22KT 3413 8775 

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

89^GSatterwhite

470 
WWUS54 KBMX 100110
SVSBMX

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

ALC093-100130-
/O.CON.KBMX.SV.W.0048.000000T0000Z-170310T0130Z/
Marion AL-
710 PM CST THU MAR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CST
FOR EAST CENTRAL MARION COUNTY...

At 710 PM CST, a severe thunderstorm was located over Lake
Buttahatchee, or 8 miles south of Haleyville, moving east at 25 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...
Lake Buttahatchee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3412 8776 3416 8775 3417 8764 3407 8764
TIME...MOT...LOC 0110Z 278DEG 22KT 3412 8767 

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

89^GSatterwhite

539 
WWUS54 KBMX 100117
SVSBMX

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

ALC093-100127-
/O.CAN.KBMX.SV.W.0048.000000T0000Z-170310T0130Z/
Marion AL-
717 PM CST THU MAR 9 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MARION COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled.

LAT...LON 3412 8776 3416 8775 3417 8764 3407 8764
TIME...MOT...LOC 0115Z 278DEG 22KT 3411 8762 

$$

89^GSatterwhite

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 9, 7:34 PM CST	Severe Thunderstorm Warning	BMX	Lamar, Marion	56 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.