Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 155, NWS Birmingham, AL

April 15, 2011Chambers County, Lee County, Macon County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 15, 2011, 5:45 PM CDT for Chambers County, Lee County, Macon County, Alabama. It was in force for 45 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 15, 2011, 5:45 PM CDT (22:45 UTC)
Expired: Apr 15, 2011, 6:30 PM CDT
In force: 45 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Chambers County, AL, Lee County, AL, Macon County, AL

What was reported inside it

Time	Report	Where	Remark
Apr 15, 5:54 PM CDT	HAIL 1.75	Auburn, AL	UNIVERSITY DRIVE
Apr 15, 5:58 PM CDT	HAIL 0.5	Opelika, AL	PEA TO MARBLE SIZE HAIL IN OPELIKA AND SOME MINOR STREET FLOODING.
Apr 15, 6:25 PM CDT	TSTM WND DMG	Auburn, AL	ROOF REMOVED FROM MOBILE HOME. TREES AND POWERLINES DOWN.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this severe thunderstorm warning; the first came 9 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 15, 11:21 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 104 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1094 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

930 
WUUS54 KBMX 152245
SVRBMX
ALC017-081-087-152330-
/O.NEW.KBMX.SV.W.0155.110415T2245Z-110415T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
545 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CHAMBERS COUNTY IN EAST CENTRAL ALABAMA...
  LEE COUNTY IN EAST CENTRAL ALABAMA...
  NORTHEASTERN MACON COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 630 PM CDT

* AT 541 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  TUSKEGEE NATIONAL FOREST...OR 6 MILES SOUTHEAST OF NOTASULGA...AND
  MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  AUBURN...OPELIKA...VALLEY...LANETT...AUBURN UNIVERSITY...
  BEAUREGARD...GRIFFEN MILL AND BEANS MILL.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 42 THROUGH 79...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 CDT FRIDAY EVENING FOR
ALABAMA.

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

LAT...LON 3239 8562 3254 8574 3290 8519 3289 8518
      3281 8515 3279 8512 3275 8513 3273 8510
      3269 8510 3267 8508 3265 8509 3260 8506
TIME...MOT...LOC 2245Z 235DEG 39KT 3254 8554

$$

17/KLAWS

2 follow-up statements

808 
WWUS54 KBMX 152300 RRA
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
600 PM CDT FRI APR 15 2011

ALC017-081-087-152330-
/O.CON.KBMX.SV.W.0155.000000T0000Z-110415T2330Z/
MACON AL-LEE AL-CHAMBERS AL-
600 PM CDT FRI APR 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CHAMBERS...LEE AND NORTHEASTERN MACON COUNTIES UNTIL 630 PM CDT...

AT 559 PM CDT...EMERGENCY MANAGEMENT REPORTED A SEVERE THUNDERSTORM
PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH.  THIS STORM WAS LOCATED NEAR OPELIKA...MOVING NORTHEAST AT 45
MPH.

LOCATIONS IMPACTED INCLUDE...
  OPELIKA...VALLEY...LANETT...GRIFFEN MILL...BEANS MILL...BLEECKER...
  CUSSETA...HUGULEY...FAIRFAX AND MOUNT JEFFERSON.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 42 THROUGH 79...

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 3239 8562 3254 8574 3290 8519 3289 8518
      3281 8515 3279 8512 3275 8513 3273 8510
      3269 8510 3267 8508 3265 8509 3260 8506
TIME...MOT...LOC 2300Z 235DEG 39KT 3263 8538

$$

17/KLAWS

558 
WWUS54 KBMX 152302
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
602 PM CDT FRI APR 15 2011

ALC087-152312-
/O.CAN.KBMX.SV.W.0155.000000T0000Z-110415T2330Z/
MACON AL-
602 PM CDT FRI APR 15 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MACON COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

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

LAT...LON 3248 8537 3266 8553 3290 8519 3289 8518
      3281 8515 3279 8512 3275 8513 3273 8510
      3269 8510 3267 8508 3265 8509 3260 8506
TIME...MOT...LOC 2302Z 235DEG 39KT 3264 8536

$$

ALC017-081-152330-
/O.CON.KBMX.SV.W.0155.000000T0000Z-110415T2330Z/
LEE AL-CHAMBERS AL-
602 PM CDT FRI APR 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CHAMBERS AND LEE COUNTIES UNTIL 630 PM CDT...

AT 559 PM CDT...EMERGENCY MANAGEMENT REPORTED A SEVERE THUNDERSTORM
PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH.  THIS STORM WAS LOCATED NEAR OPELIKA...MOVING NORTHEAST AT 45
MPH.

LOCATIONS IMPACTED INCLUDE...
  VALLEY...LANETT...BEANS MILL...BLEECKER...CUSSETA...HUGULEY...
  FAIRFAX...MOUNT JEFFERSON...BARTLETTS FERRY DAM AND I 85 WELCOME
  CENTER AT LANETT.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 57 THROUGH 79...

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 3248 8537 3266 8553 3290 8519 3289 8518
      3281 8515 3279 8512 3275 8513 3273 8510
      3269 8510 3267 8508 3265 8509 3260 8506
TIME...MOT...LOC 2302Z 235DEG 39KT 3264 8536

$$

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 15, 2:48 PM CDT, 2 hours 57 minutes earlier.

Area forecast discussion, Apr 15, 2:48 PM CDT, 2 hours 57 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
248 PM CDT FRI APR 15 2011

.DISCUSSION...

SHORT DISCUSSION TODAY. WE WENT AHEAD AND INCLUDED ALL COUNTIES IN
OUR WARNING AREA INTO TORNADO WATCH 141. ALTHOUGH THE BEST
CONDITIONS WILL BE ALONG THE WEST AND SOUTHWEST PORTIONS OF THE
AREA...ENOUGH INSTABILITY IS CREEPING NORTHWARD WHICH WARRANTED
THE INCLUSION OF ALL COUNTIES INTO THE WATCH. THERE IS A GOOD
POSSIBILITY THAT THE WATCH WILL BE EXTENDED PAST 9 PM CDT
TONIGHT. WE WILL CONTINUE TO MONITOR CONDITIONS THIS AFTERNOON AND
EVENING AND WE WILL MODIFY THE FORECAST ACCORDINGLY.

CONDITIONS REMAIN PRIME FOR STRONG LONG TRACK TORNADOES...
ESPECIALLY FOR AREAS WEST OF INTERSTATE 65 AT LEAST THROUGH THE
LATE AFTERNOON AND EARLY EVENING. PLEASE STAY TUNED TO NOAA
WEATHER RADIO OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST
INFORMATION.

10/ARM

&&

.AVIATION...
18Z TAF DISCUSSION.

WIDESPREAD RAIN AND EMBEDDED THUNDERSTORMS HAVE OVERSPREAD AREAS
NORTH AND WEST OF TCL AND BHM AND LOOK FOR THESE TO GRADUALLY SINK
SOUTHEASTWARD DURING THE EARLY AFTERNOON.  WILL SHOW TREND OF THIS
ACTIVITY WORKING SOUTH AND EAST THIS AFTERNOON ACROSS AREA.  BIG
CONCERN IS SEVERE THREAT WITH TORNADIC SUPERCELLS POSSIBLE.  THREAT
IS EXPECTED TO INCREASE AS UPPER LEVEL LOW AND SURFACE TROUGH
APPROACH AREA LATE THIS AFTERNOON AND SWEEP ACROSS THE AREA EARLY
TONIGHT.  WILL USE TEMPO GROUPS TO SHOW ESTIMATED WINDOW OF BEST
OPPORTUNITY FOR SEVERE THUNDERSTORMS AT TAF SITES...BUT POSSIBILITY
FOR ISOLATED SUPERCELLS WELL AHEAD OF THE SURFACE FRONT WILL EXIST
AT ALL TAF SITES THIS AFTERNOON. EXPECT TO SEE TSRA DEPARTING
EASTERN SECTIONS BY AROUND 06Z WITH VFR CONDITIIONS PREVAILING AFTER
THAT TIME.

NOTICE...KEET TAF WILL HAVE (AMD LTD TO VIS WIND AND WX) AMENDED TO
THE END OF THE FORECAST UNTIL FURTHER NOTICE. THE CEILOMETER DATA
WILL BE GOING THROUGH NUMEROUS TESTS AND MONITORED FOR ACCURACY.

&&

.PRELIMINARY POINT TEMPS/POPS...
GADSDEN     53  68  39  73  46 / 100  10   0   0  10
ANNISTON    55  71  41  74  46 / 100  10   0   0  10
BIRMINGHAM  53  68  44  74  48 / 100  10   0   0  10
TUSCALOOSA  52  70  43  77  47 /  80  10   0   0  10
CALERA      54  70  46  75  48 / 100  10   0   0  10
AUBURN      58  72  46  75  50 /  90  20   0   0  10
MONTGOMERY  57  76  46  77  49 /  80  10   0   0  10
TROY        58  74  47  79  48 /  70  20   0   0   0

&&

.BMX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 1 AM CDT SATURDAY FOR THE FOLLOWING
COUNTIES: AUTAUGA...BARBOUR...BIBB...BLOUNT...BULLOCK...
CALHOUN...CHAMBERS...CHEROKEE...CHILTON...CLAY...CLEBURNE...
COOSA...DALLAS...ELMORE...ETOWAH...FAYETTE...GREENE...HALE...
JEFFERSON...LAMAR...LEE...LOWNDES...MACON...MARENGO...MARION...
MONTGOMERY...PERRY...PICKENS...PIKE...RANDOLPH...RUSSELL...
SHELBY...ST. CLAIR...SUMTER...TALLADEGA...TALLAPOOSA...
TUSCALOOSA...WALKER...WINSTON.

&&

Hazardous weather outlook, Apr 15, 6:00 AM CDT, 11 hours 45 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
600 AM CDT FRI APR 15 2011

ALZ011>015-017>050-161130-
AUTAUGA-BARBOUR-BIBB-BLOUNT-BULLOCK-CALHOUN-CHAMBERS-CHEROKEE-
CHILTON-CLAY-CLEBURNE-COOSA-DALLAS-ELMORE-ETOWAH-FAYETTE-GREENE-HALE-
JEFFERSON-LAMAR-LEE-LOWNDES-MACON-MARENGO-MARION-MONTGOMERY-PERRY-
PICKENS-PIKE-RANDOLPH-RUSSELL-SHELBY-ST CLAIR-SUMTER-TALLADEGA-
TALLAPOOSA-TUSCALOOSA-WALKER-WINSTON-
600 AM CDT FRI APR 15 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE
NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORMS...INCLUDING THE THREAT OF STRONG TORNADOES...ARE
EXPECTED ACROSS CENTRAL ALABAMA BETWEEN 10 AM TODAY AND 3 AM TONIGHT.
ALL MODES OF SEVERE WEATHER ARE POSSIBLE...TORNADOES...DAMAGING
WINDS...LARGE HAIL...AND LOCALLY HEAVY RAIN.

BASED ON THE LATEST DATA...IT APPEARS THE SEVERE THUNDERSTORM THREAT
MAY COVER A RATHER LENGTHY PERIOD OF TIME AND EXTEND TO ALL OF
CENTRAL ALABAMA. BEGINNING IN THE WEST AS EARLY AS 10 AM TODAY AND
LASTING UNTIL 2 OR 3 AM TONIGHT IN THE SOUTHEAST. ATMOSPHERIC
PARAMETERS APPEAR FAVORABLE FOR THE DEVELOPMENT OF SUPERCELL
THUNDERSTORMS THAT MAY SPAWN STRONG AND LONG TRACKED TORNADOES.
ALTHOUGH THE GREATEST THREAT TIMING APPEARS TO BE THIS AFTERNOON AND
THIS EVENING...DO NOT FOCUS ON ANY PARTICULAR HOUR...BE PREPARED FOR
ACTIVITY AT ANY TIME. REVIEW YOUR PREPAREDNESS ACTION PLANS AND
BE READY TO TAKE ACTION WHEN WATCHES AND WARNINGS ARE ISSUED. STAY
TUNED TO FURTHER UPDATES ON THIS POTENTIAL HAZARDOUS WEATHER
OUTBREAK.

WINDY CONDITIONS ARE FORECAST TODAY AHEAD OF A COLD FRONT. SOUTHERLY
WINDS BETWEEN 15 AND 20 MPH CAN BE EXPECTED WITH GUSTS OF 30 TO 35
MPH POSSIBLE. THE WINDS WILL SHIFT TO WESTERLY BEHIND THE FRONT
TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

BREEZY CONDITIONS ARE EXPECTED BEHIND A COLD FRONT ON SATURDAY.
WESTERLY WINDS OF 10 TO 20 MPH ARE ANTICIPATED. A FEW WIND GUSTS MAY
BE 25 MPH OR HIGHER.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL...AND
HAM RADIO OPERATORS IS EXPECTED TODAY.

75

In the hours before

Local storm report, Apr 15, 5:25 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
525 PM CDT FRI APR 15 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0500 PM     TSTM WND DMG     ALABASTER               33.25N 86.82W
04/15/2011                   SHELBY             AL   NWS EMPLOYEE

            TREES DOWN ON A COUPLE OF HOMES ALONG HWY 31 NEAR THE
            FIRE STATION.

0510 PM     HAIL             ALABASTER               33.25N 86.82W
04/15/2011  E1.00 INCH       SHELBY             AL   NWS EMPLOYEE

            QUARTER SIZE HAIL AT CITY HALL IN DOWNTOWN ALABASTER,

&&

Local storm report, Apr 15, 5:27 PM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
527 PM CDT FRI APR 15 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0517 PM     FLOOD            HOOVER                  33.38N 86.82W
04/15/2011                   JEFFERSON          AL   EMERGENCY MNGR

            ROAD FLOODING AT 1777 CHASE DRIVE IN HOOVER.

&&

JT

Local storm report, Apr 15, 5:30 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
530 PM CDT FRI APR 15 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0530 PM     HAIL             CHELSEA                 33.33N 86.64W
04/15/2011  E1.00 INCH       SHELBY             AL   NWS EMPLOYEE

&&

JT

Local storm report, Apr 15, 5:34 PM CDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
534 PM CDT FRI APR 15 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0534 PM     FLOOD            HOOVER                  33.38N 86.82W
04/15/2011                   JEFFERSON          AL   AMATEUR RADIO

            US 31, BRADDICK DRIVE HAS 8 INCHES OF WATER ACROSS
            ROADWAY.

&&

JT

Local storm report, Apr 15, 5:35 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
535 PM CDT FRI APR 15 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0534 PM     FLOOD            BIRMINGHAM              33.53N 86.80W
04/15/2011                   JEFFERSON          AL   AMATEUR RADIO

            I65 NORTHBOUND AT ALFORD AVE, 6 INCHES DEEP WATER CAUSING
            TRAVEL PROBLEMS

&&

JT

Local storm report, Apr 15, 5:38 PM CDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
538 PM CDT FRI APR 15 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0520 PM     HAIL             PELHAM                  33.30N 86.79W
04/15/2011  E1.00 INCH       SHELBY             AL   AMATEUR RADIO

            QUARTER SIZE HIAL OFF CR 52 IN DEERING DOWNS SUBDIVISION.

0525 PM     HAIL             1 S SHELBY COUNTY AIRPO 33.16N 86.78W
04/15/2011  E1.00 INCH       SHELBY             AL   AMATEUR RADIO

            NICKLE TO QUARTER SIZE HAIL REPORTED IN THE SCOTTSVILLE
            SUBDIVISION.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 3:29 AM CDT	Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	22 hr
Apr 15, 8:49 AM CDT	Special Weather Statement	BMX	Marion	41 min
Apr 15, 8:55 AM CDT	Special Weather Statement	BMX	Lamar	50 min
Apr 15, 9:49 AM CDT	Areal Flood Advisory	BMX	Lamar	116 min
Apr 15, 9:53 AM CDT	Special Weather Statement	BMX	Fayette, Marion	37 min
Apr 15, 10:11 AM CDT	Flash Flood Warning	BMX	Lamar	6 hr
Apr 15, 10:37 AM CDT	Special Weather Statement	BMX	Pickens	38 min
Apr 15, 10:51 AM CDT	Special Weather Statement	BMX	St. Clair	39 min
Apr 15, 10:59 AM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson, St. Clair	46 min
Apr 15, 11:12 AM CDT	Areal Flood Advisory	BMX	Fayette, Walker, Winston	2 hr
Apr 15, 11:52 AM CDT	Tornado Warning	BMX	Marengo	38 min
Apr 15, 12:15 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Pickens	34 min
Apr 15, 12:24 PM CDT	Tornado Warning	BMX	Marengo	51 min
Apr 15, 12:36 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson, St. Clair	27 min
Apr 15, 12:59 PM CDT	Tornado Warning	BMX	Dallas, Marengo, Perry	46 min
Apr 15, 1:10 PM CDT	Flash Flood Warning	BMX	Fayette, Lamar, Marion, Walker, Winston	3 hr
Apr 15, 1:22 PM CDT	Areal Flood Advisory	BMX	Blount	3 hr
Apr 15, 1:25 PM CDT	Tornado Warning Emergency	BMX	Greene, Sumter	65 min
Apr 15, 1:43 PM CDT	Tornado Warning	BMX	Perry	28 min
Apr 15, 2:14 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Pickens, Sumter	4 days
Apr 15, 2:14 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	20 hr
Apr 15, 2:14 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	20 hr
Apr 15, 2:17 PM CDT	River Flood Warning	BMX	Greene, Hale, Marengo	4 days
Apr 15, 2:24 PM CDT	Tornado Warning Emergency	BMX	Greene, Hale, Tuscaloosa	51 min
Apr 15, 2:31 PM CDT	Tornado Warning	BMX	Marengo, Sumter	29 min
Apr 15, 2:39 PM CDT	Flash Flood Warning	BMX	Greene, Pickens, Sumter	3 hr
Apr 15, 2:41 PM CDT	Tornado Warning	BMX	Greene, Tuscaloosa	64 min
Apr 15, 2:49 PM CDT	Tornado Warning	BMX	Greene, Hale, Sumter	41 min
Apr 15, 2:56 PM CDT	Tornado Warning	BMX	Greene, Hale, Marengo, Perry, Sumter	49 min
Apr 15, 3:10 PM CDT	Tornado Warning	BMX	Greene, Hale, Tuscaloosa	50 min
Apr 15, 3:25 PM CDT	Flash Flood Warning	BMX	Tuscaloosa	3 hr
Apr 15, 3:27 PM CDT	Tornado Warning	BMX	Greene, Hale, Tuscaloosa	48 min
Apr 15, 3:32 PM CDT	Tornado Warning	BMX	Sumter	58 min
Apr 15, 3:34 PM CDT	Tornado Warning	BMX	Lowndes, Montgomery	56 min
Apr 15, 3:39 PM CDT	Tornado Warning	BMX	Bibb, Hale, Perry, Tuscaloosa	66 min
Apr 15, 3:44 PM CDT	Tornado Warning	BMX	Jefferson, Tuscaloosa	37 min
Apr 15, 3:57 PM CDT	Areal Flood Warning	BMX	Lamar	24 hr
Apr 15, 4:18 PM CDT	Tornado Warning	BMX	Greene, Hale, Sumter	57 min
Apr 15, 4:21 PM CDT	Tornado Warning	BMX	Lamar	39 min
Apr 15, 4:28 PM CDT	Tornado Warning	BMX	Bibb, Jefferson, Shelby	62 min
Apr 15, 4:33 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Jefferson, Shelby, Tuscaloosa	42 min
Apr 15, 4:41 PM CDT	Tornado Warning	BMX	Marengo, Sumter	64 min
Apr 15, 4:42 PM CDT	Tornado Warning	BMX	Bibb, Tuscaloosa	33 min
Apr 15, 4:45 PM CDT	Tornado Warning	BMX	Fayette, Lamar, Marion	26 min
Apr 15, 5:08 PM CDT	Severe Thunderstorm Warning	BMX	Lamar	52 min
Apr 15, 5:09 PM CDT	Flash Flood Warning	BMX	Jefferson, Shelby	3 hr
Apr 15, 5:13 PM CDT	Tornado Warning	BMX	Bibb, Hale, Perry	35 min
Apr 15, 5:18 PM CDT	Tornado Warning	BMX	Lamar	30 min
Apr 15, 5:26 PM CDT	Tornado Warning	BMX	St. Clair, Shelby, Talladega	49 min
Apr 15, 5:30 PM CDT	Tornado Warning	BMX	Hale, Marengo, Perry, Sumter	60 min
Apr 15, 5:38 PM CDT	Severe Thunderstorm Warning	BMX	Lamar	22 min
Apr 15, 5:47 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion	45 min
Apr 15, 5:55 PM CDT	Tornado Warning	BMX	Lowndes, Montgomery	46 min
Apr 15, 6:08 PM CDT	Tornado Warning	BMX	Calhoun, Clay, Cleburne, Talladega	52 min
Apr 15, 6:11 PM CDT	Tornado Warning	BMX	Dallas, Perry	64 min
Apr 15, 6:12 PM CDT	Tornado Warning	BMX	Lee	21 min
Apr 15, 6:15 PM CDT	Tornado Warning	BMX	Dallas, Lowndes	60 min
Apr 15, 6:17 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Walker	43 min
Apr 15, 6:19 PM CDT	Tornado Warning	BMX	Marengo	56 min
Apr 15, 6:43 PM CDT	Areal Flood Advisory	BMX	Talladega	3 hr
Apr 15, 6:53 PM CDT	Tornado Warning	BMX	Calhoun, Clay, Cleburne, Talladega	31 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011 Every 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.