Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 36, NWS Birmingham, AL

February 28, 2011Barbour County, Russell County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Feb 28, 2011, 6:52 PM CST for Barbour County, Russell County, Alabama. It was in force for 38 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
Feb 28, 2011, 6:52 PM CST (00:52 UTC)
Expired
Feb 28, 2011, 7:30 PM CST
In force
38 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Barbour County, AL, Russell County, AL

What was reported inside it

TimeReportWhereRemark
Feb 28, 6:54 PM CSTTSTM WND DMG5 Nw Seale, ALTHREE TREES REPORTED DOWN AT THE INTERSECTION OF DUSTY ROAD AND SANDFORT ROAD...WITH ONE LARGE TREE BLOCKING THE ROADWAY.

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.

IssuedProductOfficeLasted
Feb 28, 12:29 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.9 hours before the alert went out and 141 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2011-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 363 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2011-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 353 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
363 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
760 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
353 m²/s²
0-3 km storm-relative helicity
418 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

993 
WUUS54 KBMX 010052
SVRBMX
ALC005-113-010130-
/O.NEW.KBMX.SV.W.0036.110301T0052Z-110301T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
652 PM CST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BARBOUR COUNTY IN SOUTHEAST ALABAMA...
  RUSSELL COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 730 PM CST

* AT 649 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A LINE OF
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5
  MILES NORTHWEST OF RUSSELL COUNTY SPORTS COMPLEX TO HURTSBORO...AND
  MOVING SOUTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RUSSELL COUNTY SPORTS COMPLEX...SEALE...LAKEPOINT RESORT STATE
  PARK...RUTHERFORD...FORT MITCHELL...UCHEE CREEK...FORT MITCHELL
  ACTIVITY CENTER AND TWIN SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST MONDAY EVENING FOR
SOUTHEASTERN ALABAMA.

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

LAT...LON 3223 8491 3221 8493 3221 8495 3218 8497
      3217 8501 3213 8505 3210 8503 3207 8505
      3199 8505 3195 8508 3222 8543 3241 8519
      3231 8492 3227 8489
TIME...MOT...LOC 0052Z 307DEG 43KT 3234 8520 3221 8535

$$
2 follow-up statements
365 
WWUS54 KBMX 010100
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
700 PM CST MON FEB 28 2011

ALC005-113-010130-
/O.CON.KBMX.SV.W.0036.000000T0000Z-110301T0130Z/
BARBOUR AL-RUSSELL AL-
700 PM CST MON FEB 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
RUSSELL AND NORTHEASTERN BARBOUR COUNTIES UNTIL 730 PM CST...

AT 658 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM SEALE TO 6 MILES NORTHEAST OF SPRING HILL...MOVING SOUTHEAST AT
50 MPH.

LOCATIONS IMPACTED INCLUDE...
  LAKEPOINT RESORT STATE PARK...FORT MITCHELL...UCHEE CREEK...FORT
  MITCHELL ACTIVITY CENTER AND TWIN SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

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

LAT...LON 3223 8491 3221 8493 3221 8495 3218 8497
      3217 8501 3213 8505 3210 8503 3207 8505
      3199 8505 3195 8508 3218 8536 3237 8513
      3231 8492 3227 8489
TIME...MOT...LOC 0101Z 307DEG 43KT 3227 8510 3214 8525

$$

GOGGINS
750 
WWUS54 KBMX 010112
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
712 PM CST MON FEB 28 2011

ALC005-113-010130-
/O.CON.KBMX.SV.W.0036.000000T0000Z-110301T0130Z/
BARBOUR AL-RUSSELL AL-
712 PM CST MON FEB 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
RUSSELL AND NORTHEASTERN BARBOUR COUNTIES UNTIL 730 PM CST...

AT 711 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 12 MILES SOUTH OF FORT BENNING SOUTH TO 6 MILES NORTHEAST OF
HAWKINSVILLE...MOVING SOUTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  LAKEPOINT RESORT STATE PARK AND TWIN SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

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

LAT...LON 3223 8491 3221 8493 3221 8495 3218 8497
      3217 8501 3213 8505 3210 8503 3207 8505
      3199 8505 3195 8508 3216 8529 3235 8506
      3231 8492 3227 8489
TIME...MOT...LOC 0112Z 307DEG 43KT 3219 8498 3206 8513

$$

GOGGINS

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 6:09 PM CSTTornado WarningBMXMacon23 min
Feb 28, 6:31 PM CSTSevere Thunderstorm WarningBMXBullock, Lee, Macon, Russell29 min
Feb 28, 7:19 PM CSTSevere Thunderstorm WarningBMXBarbour28 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning in 2011

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.