Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 67, NWS Birmingham, AL

June 25, 2016Cherokee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 25, 2016, 8:17 PM CDT for Cherokee County, Alabama. It was in force for 28 min. 2 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: Jun 25, 2016, 8:17 PM CDT (01:17 UTC)
Expired: Jun 25, 2016, 8:45 PM CDT
In force: 28 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Cherokee County, AL

The radar

The Northeast Alabama radar (KHTX), 74 km from the middle of the area, began a volume at 01:19 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
Jun 25, 8:25 PM CDT	TSTM WND DMG	Broomtown, AL	ANOTHER WIND GUST HAS AFFECTED THE BROOMTOWN AREA AND NUMEROUS TREES HAVE BEEN KNOCKED DOWN.
Jun 25, 8:27 PM CDT	HAIL 0.5	2 Ese Little River Cany, AL

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.3 hours before the alert went out and 153 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: 511 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 2612 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: -18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

493 
WUUS54 KBMX 260117
SVRBMX
ALC019-260145-
/O.NEW.KBMX.SV.W.0067.160626T0117Z-160626T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
817 PM CDT SAT JUN 25 2016

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHEROKEE COUNTY IN NORTHEASTERN ALABAMA...

* UNTIL 845 PM CDT

* AT 817 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BLANCHE...OR
  NEAR LITTLE RIVER CANYON NATIONAL PRESERVE...MOVING EAST AT 5 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...
  LITTLE RIVER CANYON NATIONAL PRESERVE...GAYLESVILLE...BLANCHE...
  LITTLE RIVER FALLS...FULLERTON...CHESTERFIELD...BROOMTOWN...
  NEW MOON AND LITTLE RIVER CANYON NP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN BIRMINGHAM.

&&

LAT...LON 3425 8545 3429 8570 3436 8567 3437 8563
      3439 8562 3440 8563 3440 8561 3444 8558
      3446 8558 3447 8557 3449 8557 3449 8556
      3450 8556 3450 8555 3453 8552
TIME...MOT...LOC 0117Z 255DEG 6KT 3439 8553 

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

75

1 follow-up statement

493 
WWUS54 KBMX 260133
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
833 PM CDT SAT JUN 25 2016

ALC019-260145-
/O.CON.KBMX.SV.W.0067.000000T0000Z-160626T0145Z/
CHEROKEE AL-
833 PM CDT SAT JUN 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHEASTERN CHEROKEE COUNTY...

AT 832 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BLANCHE...OR
7 MILES EAST OF LITTLE RIVER CANYON NATIONAL PRESERVE...NEARLY
STATIONARY.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...WIND DAMAGE TO ROOFS...SIDING...AND TREES IS POSSIBLE. 

LOCATIONS IMPACTED INCLUDE...
LITTLE RIVER CANYON NATIONAL PRESERVE...GAYLESVILLE...BLANCHE...
LITTLE RIVER FALLS...FULLERTON...CHESTERFIELD...BROOMTOWN...
NEW MOON AND LITTLE RIVER CANYON NP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
BIRMINGHAM.

&&

LAT...LON 3425 8545 3429 8570 3436 8567 3437 8563
      3439 8562 3440 8563 3440 8561 3444 8558
      3446 8558 3447 8557 3449 8557 3449 8556
      3450 8556 3450 8555 3453 8552
TIME...MOT...LOC 0132Z 255DEG 6KT 3440 8550 

HAIL...1.00IN
WIND...60MPH
 
$$
 
75

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 7:56 PM CDT	Special Weather Statement	BMX	DeKalb	34 min
Jun 25, 8:46 PM CDT	Flash Flood Warning	BMX	Cherokee	3 hr
Jun 26, 3:31 AM CDT	Heat Advisory	BMX	Autauga, Barbour, Bibb, Bullock, Chilton, Dallas and 17 more	17 hr
Jun 26, 1:24 PM CDT	Special Weather Statement	BMX	Barbour	36 min
Jun 26, 1:47 PM CDT	Special Weather Statement	BMX	Walker	28 min
Jun 26, 2:18 PM CDT	Special Weather Statement	BMX	Walker	27 min
Jun 26, 2:36 PM CDT	Special Weather Statement	BMX	Sumter	24 min
Jun 26, 3:17 PM CDT	Special Weather Statement	BMX	Bullock, Pike	28 min
Jun 26, 3:24 PM CDT	Special Weather Statement	BMX	Elmore, Montgomery	51 min
Jun 26, 3:30 PM CDT	Special Weather Statement	BMX	Russell	30 min
Jun 26, 3:38 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Russell	22 min
Jun 26, 4:06 PM CDT	Special Weather Statement	BMX	Russell	39 min
Jun 26, 4:10 PM CDT	Special Weather Statement	BMX	Pike	50 min
Jun 26, 4:25 PM CDT	Special Weather Statement	BMX	Elmore	50 min
Jun 26, 4:43 PM CDT	Special Weather Statement	BMX	Chilton, Jefferson, Shelby	32 min
Jun 26, 5:09 PM CDT	Special Weather Statement	BMX	Chilton	36 min
Jun 26, 5:16 PM CDT	Special Weather Statement	BMX	Blount, Chilton, St. Clair, Shelby	29 min
Jun 26, 5:45 PM CDT	Special Weather Statement	BMX	Autauga, Blount, Chilton, Coosa, St. Clair, Shelby and 1 more	45 min
Jun 26, 6:00 PM CDT	Special Weather Statement	BMX	Lowndes	30 min
Jun 26, 6:25 PM CDT	Special Weather Statement	BMX	St. Clair	50 min
Jun 26, 6:30 PM CDT	Special Weather Statement	BMX	Autauga, Coosa, Lowndes	45 min
Jun 26, 6:44 PM CDT	Special Weather Statement	BMX	Dallas	46 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2016 Every severe thunderstorm warning in 2016

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.