Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 13, NWS Birmingham, AL

January 22, 2017Bibb County, Hale County, Perry County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 22, 2017, 12:27 AM CST for Bibb County, Hale County, Perry County, Alabama. It was in force for 22 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: Jan 22, 2017, 12:27 AM CST (06:27 UTC)
Expired: Jan 22, 2017, 12:49 AM CST
In force: 22 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bibb County, AL, Hale County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 49 km from the middle of the area, began a volume at 06:30 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
Jan 22, 12:47 AM CST	TSTM WND DMG	2 Nne Gary Springs, AL	TREE DOWN ON HWY 25, NORTHEAST OF CENTREVILLE, AT ENTRANCE TO CHURCH DRIVE. ADDITIONAL TREES WERE KNOCKED DOWN ACROSS THE COUNTY.

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.

Issued	Product	Office	Lasted
Jan 21, 6:51 PM CST	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 6.5 hours before the alert went out and 49 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: 945 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

793 
WUUS54 KBMX 220627
SVRBMX
ALC007-065-105-220715-
/O.NEW.KBMX.SV.W.0013.170122T0627Z-170122T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
1227 AM CST SUN JAN 22 2017

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  Northern Perry County in Alabama...
  Bibb County in Alabama...
  Northeastern Hale County in west central Alabama...

* Until 115 AM CST

* At 1227 AM CST, severe thunderstorms were located along a line
  extending from Low Gap to near Greensboro, moving east at 60 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Brent, Marion, Centreville, Brierfield Ironworks Park, Talladega
  National Forest, West Centreville, Low Gap, Ashby, Mertz,
  Heiberger, Eoline, Lawley, Randolph, Wateroak, Sprott, Trio,
  Harmon, Folsom, Phipps and Ellards.

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,
west central Alabama.

LAT...LON 3301 8749 3301 8732 3305 8731 3306 8692
      3305 8688 3284 8688 3284 8702 3273 8702
      3264 8704 3262 8757
TIME...MOT...LOC 0627Z 249DEG 56KT 3300 8741 3270 8749 

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

89^GSatterwhite

2 follow-up statements

160 
WWUS54 KBMX 220640
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
1240 AM CST SUN JAN 22 2017

ALC065-220649-
/O.CAN.KBMX.SV.W.0013.000000T0000Z-170122T0715Z/
Hale AL-
1240 AM CST SUN JAN 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HALE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 300 AM CST for south central,
west central Alabama.

LAT...LON 3301 8732 3305 8731 3306 8692 3305 8688
      3284 8688 3284 8702 3273 8702 3264 8704
      3265 8748
TIME...MOT...LOC 0639Z 249DEG 56KT 3307 8720 3277 8728 

$$

ALC007-105-220715-
/O.CON.KBMX.SV.W.0013.000000T0000Z-170122T0715Z/
Perry AL-Bibb AL-
1240 AM CST SUN JAN 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CST
FOR NORTHERN PERRY AND BIBB COUNTIES...

At 1239 AM CST, severe thunderstorms were located along a line
extending from near Eoline to Heiberger, moving east at 65 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Brent, Marion, Centreville, Heiberger, Brierfield Ironworks Park,
Talladega National Forest, West Centreville, Eoline, Ashby, Lawley,
Randolph, Ellards, Sprott, Bibb County Airport, Six Mile, Trio,
Harmon, Oakmulgee, Folsom and Morgan Springs.

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,
west central Alabama.

LAT...LON 3301 8732 3305 8731 3306 8692 3305 8688
      3284 8688 3284 8702 3273 8702 3264 8704
      3265 8748
TIME...MOT...LOC 0639Z 249DEG 56KT 3307 8720 3277 8728 

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

89^GSatterwhite

983 
WWUS54 KBMX 220649
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
1249 AM CST SUN JAN 22 2017

ALC007-105-220659-
/O.CAN.KBMX.SV.W.0013.000000T0000Z-170122T0715Z/
Perry AL-Bibb AL-
1249 AM CST SUN JAN 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PERRY AND BIBB
COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 300 AM CST for south central,
west central Alabama.

LAT...LON 3301 8732 3305 8731 3306 8692 3305 8688
      3284 8688 3284 8702 3273 8702 3264 8704
      3265 8748
TIME...MOT...LOC 0648Z 249DEG 56KT 3312 8704 3282 8712 

$$

89^GSatterwhite

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 10:21 PM CST	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Shelby	19 min
Jan 21, 10:55 PM CST	Severe Thunderstorm Warning	BMX	Lowndes	21 min
Jan 21, 11:05 PM CST	Severe Thunderstorm Warning	BMX	Greene, Pickens	40 min
Jan 21, 11:29 PM CST	Severe Thunderstorm Warning	BMX	Greene, Sumter	31 min
Jan 21, 11:42 PM CST	Areal Flood Advisory	BMX	Pickens	3 hr
Jan 21, 11:56 PM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	52 min
Jan 22, 12:41 AM CST	Areal Flood Advisory	BMX	Fayette, Pickens, Tuscaloosa, Walker	3 hr
Jan 22, 1:04 AM CST	Severe Thunderstorm Warning	BMX	Jefferson, Shelby	41 min
Jan 22, 1:17 AM CST	Severe Thunderstorm Warning	BMX	St. Clair	39 min
Jan 22, 1:18 AM CST	Severe Thunderstorm Warning	BMX	Blount, Jefferson	38 min
Jan 22, 1:31 AM CST	Severe Thunderstorm Warning	BMX	Etowah	40 min
Jan 22, 9:06 AM CST	Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	33 hr
Jan 22, 11:57 AM CST	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Dallas, Lowndes	63 min
Jan 22, 12:04 PM CST	Tornado Warning	BMX	Autauga	20 min
Jan 22, 12:32 PM CST	Severe Thunderstorm Warning	BMX	Coosa, Elmore, Montgomery	58 min
Jan 22, 12:56 PM CST	Severe Thunderstorm Warning	BMX	Bullock, Macon, Pike	64 min
Jan 22, 1:02 PM CST	Areal Flood Advisory	BMX	Chilton, Coosa, Shelby	3 hr
Jan 22, 1:08 PM CST	Tornado Warning	BMX	Bullock	19 min
Jan 22, 1:24 PM CST	Areal Flood Advisory	BMX	Bibb, Chilton, Jefferson, St. Clair, Shelby	3 hr
Jan 22, 1:24 PM CST	Tornado Warning	BMX	Macon	19 min
Jan 22, 1:41 PM CST	Severe Thunderstorm Warning	BMX	Chambers, Lee, Randolph, Tallapoosa	64 min
Jan 22, 1:48 PM CST	Tornado Warning	BMX	Lee	27 min
Jan 22, 5:38 PM CST	Special Weather Statement	BMX	Greene, Hale, Marengo, Perry	37 min

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.