Alert archive / Alabama / Tornado Warnings in 2019

Tornado Warning 41, NWS Birmingham, AL

April 8, 2019Blount County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 8, 2019, 5:40 AM CDT for Blount County, Alabama. It was in force for 35 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: Apr 8, 2019, 5:40 AM CDT (10:40 UTC)
Expired: Apr 8, 2019, 6:15 AM CDT
In force: 35 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), 92 km from the middle of the area, began a volume at 10:40 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
Apr 8, 5:44 AM CDT	TORNADO	4 E Blountsville, AL	AT LEAST 20 STRUCTURES SUFFERED VARYING DEGREES OF DAMAGE.
Apr 8, 5:48 AM CDT	TSTM WND DMG	4 Wnw Susan Moore, AL	TREES DOWN ON OLD SCOTT ROAD AND WILLIAMS SETTLEMENT ROAD.
Apr 8, 5:52 AM CDT	TSTM WND DMG	4 Ssw Brooksville, AL	TREES DOWN AND DAMAGE TO A MOBILE HOME NEAR HIGHWAY 79. POSSIBLE TORNADO.

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, 10.7 hours before the alert went out and 113 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: 581 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1416 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

945 
WFUS54 KBMX 081040
TORBMX
ALC009-081115-
/O.NEW.KBMX.TO.W.0041.190408T1040Z-190408T1115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
540 AM CDT MON APR 8 2019

The National Weather Service in Birmingham has issued a

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

* Until 615 AM CDT.
    
* At 540 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Blountsville, moving northeast at 35 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...
  Blountsville, Cleveland, Snead, Susan Moore, McLarty, Brooksville
  and Fowler Spring.

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 3425 8644 3421 8641 3412 8633 3401 8656
      3403 8661 3426 8645
TIME...MOT...LOC 1040Z 228DEG 31KT 3406 8655 

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

$$

32/Davis

3 follow-up statements

938 
WWUS54 KBMX 081047
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
547 AM CDT MON APR 8 2019

ALC009-081115-
/O.CON.KBMX.TO.W.0041.000000T0000Z-190408T1115Z/
Blount AL-
547 AM CDT MON APR 8 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR
NORTHEASTERN BLOUNT COUNTY...
    
At 547 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Susan Moore, or near Blountsville, moving northeast
at 35 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, Susan Moore, 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 3425 8644 3421 8641 3412 8633 3404 8650
      3407 8658 3426 8645
TIME...MOT...LOC 1047Z 228DEG 31KT 3410 8649 

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

$$

32/Davis

616 
WWUS54 KBMX 081055
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
555 AM CDT MON APR 8 2019

ALC009-081115-
/O.CON.KBMX.TO.W.0041.000000T0000Z-190408T1115Z/
Blount AL-
555 AM CDT MON APR 8 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR
NORTHEASTERN BLOUNT COUNTY...
    
At 555 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Susan Moore, or 7 miles east of Blountsville, moving
northeast at 35 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, Susan Moore, 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 3425 8644 3421 8641 3412 8633 3408 8645
      3412 8654 3426 8645
TIME...MOT...LOC 1055Z 232DEG 29KT 3411 8644 

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

$$

32/Davis

589 
WWUS54 KBMX 081107
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
607 AM CDT MON APR 8 2019

ALC009-081117-
/O.EXP.KBMX.TO.W.0041.000000T0000Z-190408T1115Z/
Blount AL-
607 AM CDT MON APR 8 2019

...THE TORNADO WARNING FOR NORTHEASTERN BLOUNT COUNTY WILL EXPIRE AT
615 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3425 8644 3421 8641 3412 8633 3408 8645
      3412 8654 3426 8645
TIME...MOT...LOC 1107Z 228DEG 31KT 3418 8635 

$$

32/Davis

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 7:17 PM CDT	Special Weather Statement	BMX	Pickens	43 min
Apr 7, 8:20 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Pickens, Sumter	4 days
Apr 7, 8:20 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	24 hr
Apr 7, 9:56 PM CDT	Special Weather Statement	BMX	Bullock	34 min
Apr 8, 12:51 AM CDT	Special Weather Statement	BMX	Pickens	39 min
Apr 8, 1:18 AM CDT	Special Weather Statement	BMX	Fayette, Lamar	42 min
Apr 8, 4:56 AM CDT	Special Weather Statement	BMX	Blount	34 min
Apr 8, 5:23 AM CDT	Special Weather Statement	BMX	Blount	52 min

Nearby

Tornado Warnings in Alabama, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.