Alert archive / Alabama / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 21, NWS Birmingham, AL

March 10, 2010Greene County, Sumter County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 10, 2010, 7:57 PM CST for Greene County, Sumter County, Alabama. It was in force for 41 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: Mar 10, 2010, 7:57 PM CST (01:57 UTC)
Expired: Mar 10, 2010, 8:38 PM CST
In force: 41 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Greene County, AL, Sumter County, AL

The radar

The Columbus AFB radar (KGWX), 107 km from the middle of the area, began a volume at 02:01 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 10, 1:05 PM CST	Tornado Watch	SPC	7 hr
Mar 10, 7:24 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.0 hours before the alert went out and 130 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: 24 J/kg
Mixed-layer CIN: -265 J/kg
Mixed-layer LCL: 510 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 497 m²/s²
0-3 km storm-relative helicity: 544 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

895 
WUUS54 KBMX 110157
SVRBMX
ALC063-119-110245-
/O.NEW.KBMX.SV.W.0021.100311T0157Z-100311T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
757 PM CST WED MAR 10 2010

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN GREENE COUNTY IN WEST CENTRAL ALABAMA...
  NORTHWESTERN SUMTER COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 845 PM CST

* AT 754 PM CST...THE NATIONAL WEATHER SERVICE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM
  WAS LOCATED NEAR WEST UNION

..AND MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  GAINESVILLE...NEW WEST GREENE...WEST GREENE...UNION AND MANTUA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST WEDNESDAY EVENING
FOR SOUTHERN ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
200 AM CST THURSDAY MORNING FOR SOUTHWESTERN ALABAMA.

&&

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.

LAT...LON 3278 8837 3298 8821 3299 8817 3302 8817
      3305 8814 3305 8809 3306 8807 3305 8804
      3307 8803 3309 8797 3300 8784 3264 8823
      3273 8838
TIME...MOT...LOC 0157Z 218DEG 22KT 3280 8821

$$

27

3 follow-up statements

512 
WWUS54 KBMX 110210
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
810 PM CST WED MAR 10 2010

ALC063-119-110245-
/O.CON.KBMX.SV.W.0021.000000T0000Z-100311T0245Z/
SUMTER AL-GREENE AL-
810 PM CST WED MAR 10 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHERN GREENE AND NORTH CENTRAL SUMTER COUNTIES...

AT 807 PM CST...NATIONAL WEATHER SERVICE CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS
LOCATED NEAR GAINESVILLE...OR 16 MILES WEST OF EUTAW...MOVING
NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
MOUNT HEBRON...WARSAW...NEW WEST GREENE...WEST GREENE...CLINTON...
PLEASANT RIDGE...LEWISTON...UNION AND MANTUA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST THURSDAY MORNING
FOR SOUTHWESTERN ALABAMA.

&&

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3289 8828 3298 8821 3299 8817 3302 8817
      3305 8814 3305 8808 3306 8807 3305 8804
      3307 8803 3309 8797 3300 8784 3275 8812
      3282 8827
TIME...MOT...LOC 0211Z 218DEG 22KT 3287 8815

$$

27

595 
WWUS54 KBMX 110225
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
825 PM CST WED MAR 10 2010

ALC119-110235-
/O.CAN.KBMX.SV.W.0021.000000T0000Z-100311T0245Z/
SUMTER AL-
825 PM CST WED MAR 10 2010

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SUMTER COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST THURSDAY MORNING
FOR SOUTHWESTERN ALABAMA.

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3296 8816 3302 8817 3305 8814 3305 8808
      3306 8807 3305 8804 3307 8803 3309 8797
      3300 8784 3281 8809 3294 8818 3296 8818
TIME...MOT...LOC 0225Z 218DEG 22KT 3294 8809

$$

ALC063-110245-
/O.CON.KBMX.SV.W.0021.000000T0000Z-100311T0245Z/
GREENE AL-
825 PM CST WED MAR 10 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHERN GREENE COUNTY...

AT 824 PM CST...NATIONAL WEATHER SERVICE CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS
LOCATED NEAR WEST GREENE...OR 13 MILES NORTHWEST OF EUTAW...MOVING
NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CLINTON...PLEASANT RIDGE...LEWISTON...UNION AND MANTUA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST THURSDAY MORNING
FOR SOUTHWESTERN ALABAMA.

&&

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3296 8816 3302 8817 3305 8814 3305 8808
      3306 8807 3305 8804 3307 8803 3309 8797
      3300 8784 3281 8809 3294 8818 3296 8818
TIME...MOT...LOC 0225Z 218DEG 22KT 3294 8809

$$

27

358 
WWUS54 KBMX 110238
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
838 PM CST WED MAR 10 2010

ALC063-110248-
/O.CAN.KBMX.SV.W.0021.000000T0000Z-100311T0245Z/
GREENE AL-
838 PM CST WED MAR 10 2010

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN GREENE COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST THURSDAY MORNING
FOR SOUTHWESTERN ALABAMA.

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3296 8816 3302 8817 3305 8814 3305 8808
      3306 8807 3305 8804 3307 8803 3309 8797
      3300 8784 3281 8809 3294 8818 3296 8818
TIME...MOT...LOC 0238Z 218DEG 22KT 3300 8803

$$

27

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 6:21 PM CST	Severe Thunderstorm Warning	BMX	Sumter	39 min
Mar 10, 6:24 PM CST	Severe Thunderstorm Warning	BMX	Pickens, Sumter	46 min
Mar 10, 6:54 PM CST	Severe Thunderstorm Warning	BMX	Greene, Sumter	51 min
Mar 10, 7:40 PM CST	River Flood Warning	BMX	Chilton, Coosa, Elmore, Shelby, Talladega	42 hr
Mar 10, 7:49 PM CST	Tornado Warning	BMX	Greene, Sumter	9 min
Mar 10, 7:56 PM CST	River Flood Warning	BMX	Autauga, Dallas, Elmore, Lowndes, Montgomery	5 days
Mar 10, 8:20 PM CST	Flash Flood Warning	BMX	Shelby	3 hr
Mar 10, 8:34 PM CST	River Flood Warning	BMX	Jefferson, Tuscaloosa, Walker	48 hr
Mar 10, 8:38 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter, Tuscaloosa	36 hr
Mar 10, 8:38 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo	6 days
Mar 10, 8:44 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	6 days
Mar 11, 12:25 AM CST	Areal Flood Advisory	BMX	Pike	2 hr
Mar 11, 1:45 AM CST	River Flood Warning	BMX	Chambers, Elmore, Macon, Randolph, Tallapoosa	8 hr
Mar 11, 2:44 AM CST	Flash Flood Warning	BMX	Lamar	3 hr
Mar 11, 5:06 AM CST	Areal Flood Advisory	BMX	Fayette, Greene, Hale, Marengo, Marion, Pickens and 4 more	3 hr
Mar 11, 8:29 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Pickens, Sumter	29 hr
Mar 11, 8:48 AM CST	River Flood Warning	BMX	Sumter	5 days
Mar 11, 9:01 AM CST	River Flood Warning	BMX	Elmore, Montgomery	4 days
Mar 11, 9:05 AM CST	River Flood Warning	BMX	Autauga, Dallas, Lowndes	71 hr
Mar 11, 9:05 AM CST	River Flood Warning	BMX	Dallas	3 days
Mar 11, 9:07 AM CST	River Flood Warning	BMX	Dallas, Perry	35 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2010 Every severe thunderstorm warning in 2010

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.