Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 17, NWS Birmingham, AL

June 22, 2018Blount County, Alabama

NWS Birmingham, AL issued this tornado warning at Jun 22, 2018, 8:01 PM CDT for Blount County, Alabama. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 22, 2018, 8:01 PM CDT (01:01 UTC)
Expired: Jun 22, 2018, 8:30 PM CDT
In force: 29 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Blount County, AL

The radar

The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 01:04 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.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.0 hours before the alert went out and 117 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: 1160 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 917 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 184 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 10.2

Open this sounding in Storm Lab

The text

As transmitted.

993 
WFUS54 KBMX 230101
TORBMX
ALC009-230130-
/O.NEW.KBMX.TO.W.0017.180623T0101Z-180623T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
801 PM CDT FRI JUN 22 2018

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Northeastern Blount County in central Alabama...

* Until 830 PM CDT.
    
* At 801 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Strawberry, or 7 miles north of Blountsville, 
  moving east at 35 mph. This storm has a history of producing a 
  tornado.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Snead, McLarty, Brooksville and Strawberry. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3421 8641 3410 8630 3409 8631 3415 8659
      3419 8655 3422 8655 3423 8652 3424 8652
      3425 8651 3425 8650 3426 8649 3426 8645
TIME...MOT...LOC 0101Z 284DEG 29KT 3420 8654 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

89^GSatterwhite

2 follow-up statements

451 
WWUS54 KBMX 230113
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
813 PM CDT FRI JUN 22 2018

ALC009-230130-
/O.CON.KBMX.TO.W.0017.000000T0000Z-180623T0130Z/
Blount AL-
813 PM CDT FRI JUN 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHEASTERN BLOUNT COUNTY...
    
At 813 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Brooksville, or 8 miles south of Arab, moving east
at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Snead, McLarty, Brooksville and Strawberry. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3421 8641 3410 8630 3409 8631 3418 8656
      3419 8655 3422 8655 3423 8652 3424 8652
      3425 8651 3425 8650 3426 8649 3426 8645
TIME...MOT...LOC 0113Z 287DEG 25KT 3420 8647 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

89^GSatterwhite

739 
WWUS54 KBMX 230122
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
822 PM CDT FRI JUN 22 2018

ALC009-230130-
/O.CON.KBMX.TO.W.0017.000000T0000Z-180623T0130Z/
Blount AL-
822 PM CDT FRI JUN 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHEASTERN BLOUNT COUNTY...
    
At 822 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Brooksville, or 8 miles southeast of Arab, moving
east at 25 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
McLarty and Brooksville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3418 8649 3425 8646 3425 8644 3421 8641
      3415 8635
TIME...MOT...LOC 0122Z 281DEG 23KT 3420 8643 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

89^GSatterwhite

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 6:23 AM CDT	Special Weather Statement	BMX	Fayette	37 min
Jun 23, 6:44 AM CDT	Special Weather Statement	BMX	Fayette, Lamar	46 min
Jun 23, 7:13 AM CDT	Special Weather Statement	BMX	Jefferson	32 min
Jun 23, 7:27 AM CDT	Severe Thunderstorm Warning	BMX	Jefferson	48 min
Jun 23, 7:33 AM CDT	Special Weather Statement	BMX	Fayette, Lamar, Walker	42 min
Jun 23, 7:38 AM CDT	Areal Flood Advisory	BMX	Blount, Jefferson, Walker	3 hr
Jun 23, 7:52 AM CDT	Areal Flood Advisory	BMX	Lamar	3 hr
Jun 23, 8:04 AM CDT	Special Weather Statement	BMX	Jefferson	26 min
Jun 23, 8:12 AM CDT	Severe Thunderstorm Warning	BMX	Jefferson	48 min
Jun 23, 11:16 AM CDT	Special Weather Statement	BMX	Winston	29 min
Jun 23, 11:42 AM CDT	Special Weather Statement	BMX	Blount	33 min
Jun 23, 1:43 PM CDT	Special Weather Statement	BMX	Winston	32 min
Jun 23, 2:31 PM CDT	Special Weather Statement	BMX	Blount	29 min
Jun 23, 2:58 PM CDT	Special Weather Statement	BMX	Etowah	32 min
Jun 23, 3:27 PM CDT	Special Weather Statement	BMX	Calhoun, Cherokee, Etowah	33 min
Jun 23, 3:52 PM CDT	Special Weather Statement	BMX	Cleburne	23 min
Jun 23, 5:54 PM CDT	Special Weather Statement	BMX	Lamar	36 min
Jun 23, 6:28 PM CDT	Special Weather Statement	BMX	Lamar	32 min
Jun 23, 6:33 PM CDT	Severe Thunderstorm Warning	BMX	Winston	27 min
Jun 23, 6:35 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar	25 min
Jun 23, 6:37 PM CDT	Special Weather Statement	BMX	Winston	23 min
Jun 23, 6:57 PM CDT	Special Weather Statement	BMX	Winston	33 min

Nearby

Tornado Warnings in Alabama, 2018 Every tornado warning in 2018 Tornadoes in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.