Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Birmingham, AL

June 15, 2017Autauga County, Alabama

NWS Birmingham, AL issued this special weather statement at Jun 15, 2017, 4:02 PM CDT for Autauga County, Alabama. It was in force for 43 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: Jun 15, 2017, 4:02 PM CDT (21:02 UTC)
Expired: Jun 15, 2017, 4:45 PM CDT
In force: 43 min
Issued by: NWS Birmingham, AL

County Autauga County, AL

The radar

The Maxwell AFB radar (KMXX), 71 km from the middle of the area, began a volume at 21:03 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.0 hours before the alert went out and 218 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: 315 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1056 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 15, 3:14 PM CDT, 48 minutes earlier.

Area forecast discussion, Jun 15, 3:14 PM CDT, 48 minutes before

Area Forecast Discussion
National Weather Service Birmingham AL
314 PM CDT Thu Jun 15 2017

.SHORT TERM...
Through Tonight.

An active outflow boundary has pushed into north Alabama this
afternoon. Very unstable air ahead of the boundary has triggered
strong to severe thunderstorms along the leading edge of the
boundary. This outflow boundary will continue to track southeast
with widespread showers and thunderstorms through the early
evening hours. A large area of light to moderate rain extends well
north of the main convective line, so rain will continue well
into the evening across north central Alabama. Expect most of the
rain will dissipate by midnight.

58/rose

.LONG TERM...
Friday through Wednesday.

A weak 500 mb trough is expected to persist across much of the
Southeast CONUS through the weekend. This pattern will favor
scattered to perhaps numerous showers and storms each day mainly
driven by daytime heating. A front should approach from the north
on Monday as a strong upper trough takes shape over Southeast
Canada and the Great Lakes. The front is expected to lose its
upper-level support and move slowly across the forecast area,
serving as a focus for convection on Monday and Tuesday. Rain
chances across our northern areas may decrease for Tuesday into
Wednesday as drier air and weak high pressure moves into the
Tennessee Valley behind the front.

87/Grantham

&&

.AVIATION...
18Z TAF Discussion.

A very moist and unstable air mass will result in sct-nmrs showers
and tstms across central Alabama this afternoon and early
evening. The most organized activity will be along and north of
I-20. An outflow boundary currently across northeast Mississippi
will track southeast and into northwest Alabama early this
afternoon, likely reaching the I-20 corridor by 20-21z. The storms
will produce frequent lightning, vsbys blo 3 miles, and wind
gusts of 30-40 mph. South of I-20, the activity will be less
organized, but still capable of producing the same hazards as
listed above. The convective activity should weaken and mostly
dissipate by 01z. Low clouds and fog could impact KMGM and KTOI
between 10z and 14z.

58/rose

&&

.FIRE WEATHER...

Scattered showers and storms are expected through the next
several days with a moist airmass in place. The best chance of
rain will occur during the afternoon and early evening hours.
There are no fire weather concerns.

&&

.PRELIMINARY POINT TEMPS/POPS...
Gadsden     69  88  69  88  70 /  50  40  30  50  20
Anniston    69  88  70  87  70 /  60  40  30  50  20
Birmingham  72  88  72  88  73 /  50  40  30  50  20
Tuscaloosa  71  89  72  89  73 /  50  50  30  40  20
Calera      72  88  71  88  72 /  60  50  30  50  20
Auburn      71  86  71  85  71 /  50  60  40  50  20
Montgomery  74  89  73  89  73 /  50  60  40  50  20
Troy        70  87  71  87  71 /  40  60  40  50  20

&&

.BMX WATCHES/WARNINGS/ADVISORIES/...
None.

&&

Hazardous weather outlook, Jun 15, 8:10 AM CDT, 7 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Birmingham AL
810 AM CDT Thu Jun 15 2017

ALZ011>015-017>050-161615-
Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee-
Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-
Clay-Randolph-Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Tallapoosa-
Chambers-Marengo-Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon-
Bullock-Lee-Russell-Pike-Barbour-
810 AM CDT Thu Jun 15 2017

This Hazardous Weather Outlook is for the counties served by the
National Weather Service office in Birmingham.

.DAY ONE...Today and Tonight.

There is a threat for severe weather between 1 and 9 PM this afternoon
and evening across all of Central Alabama. The primary threat will
be damaging straight line winds. The best chance for severe storms
will be along and north of I-20.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management may be needed
this afternoon and evening.

In the hours before

Local storm report, Jun 15, 3:49 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
349 PM CDT THU JUN 15 2017

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

0349 PM     HAIL             3 N AUTAUGA COUNTY AIRP 32.47N 86.52W
06/15/2017  E0.88 INCH       AUTAUGA            AL   EMERGENCY MNGR

&&

Local storm report, Jun 15, 3:53 PM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
353 PM CDT THU JUN 15 2017

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

0353 PM     HAIL             MOUNTAIN BROOK          33.50N 86.75W
06/15/2017  E0.75 INCH       JEFFERSON          AL   EMERGENCY MNGR

&&

Local storm report, Jun 15, 3:57 PM CDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
357 PM CDT THU JUN 15 2017

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

0356 PM     TSTM WND DMG     RIVERSIDE               33.61N 86.20W
06/15/2017                   ST. CLAIR          AL   EMERGENCY MNGR

            SEVERAL TREES UPROOTED IN THE RIVERSIDE
            COMMUNITY.

&&

Local storm report, Jun 15, 3:59 PM CDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
359 PM CDT THU JUN 15 2017

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

0358 PM     TSTM WND DMG     2 E CAMP BRANCH         33.21N 86.73W
06/15/2017                   SHELBY             AL   EMERGENCY MNGR

            SEVERAL TREES UPROOTED ALONG COUNTY ROAD 26.

&&

Special weather statement, Jun 15, 4:00 PM CDT, 2 minutes before

Special Weather Statement
National Weather Service Birmingham AL
400 PM CDT THU JUN 15 2017

ALZ048-152145-
Russell AL-
400 PM CDT THU JUN 15 2017

...SIGNIFICANT WEATHER ADVISORY FOR RUSSELL COUNTY UNTIL 445 PM
CDT...

At 400 PM CDT, Doppler radar was tracking a strong thunderstorm near
Uchee, or near Hurtsboro, moving southeast at 10 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Hurtsboro, Seale, Russell County Sports Complex, Uchee, Rutherford
and Hatchechubbe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3225 8492 3224 8491 3222 8493 3222 8498
      3221 8498 3220 8496 3218 8501 3213 8506
      3209 8505 3206 8506 3207 8511 3206 8519
      3215 8526 3215 8543 3238 8543 3241 8539
      3241 8532 3225 8490
TIME...MOT...LOC 2100Z 296DEG 8KT 3229 8533

89^GSatterwhite

Special weather statement, Jun 15, 4:02 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Birmingham AL
402 PM CDT THU JUN 15 2017

ALZ041-043-044-152145-
Autauga AL-Montgomery AL-Elmore AL-
402 PM CDT THU JUN 15 2017

...SIGNIFICANT WEATHER ADVISORY FOR AUTAUGA...SOUTHWESTERN ELMORE AND
NORTHWESTERN MONTGOMERY COUNTIES UNTIL 445 PM CDT...

At 402 PM CDT, Doppler radar was tracking a strong thunderstorm over
Autauga County Airport, or near Prattville, moving southeast at 10
mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Montgomery, Prattville, Millbrook, Elmore, Coosada, Deatsville,
Autaugaville, Billingsley, Booth, Montgomery Zoo, Boylston, Vida
Junction, Hyundai Motors Of Alabama, Auburn University In Montgomery,
Bob Woodruff Lake, Autauga County Airport, Woodcrest, Maxwell Air
Force Base, Snowdoun and Lagoon Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3230 8649 3233 8647 3234 8648 3234 8654
      3237 8654 3238 8657 3236 8660 3238 8662
      3241 8662 3240 8666 3241 8668 3270 8671
      3271 8641 3238 8613 3219 8635
TIME...MOT...LOC 2102Z 296DEG 8KT 3243 8650

89^GSatterwhite

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 12:22 PM CDT	Special Weather Statement	BMX	Lamar	38 min
Jun 15, 12:44 PM CDT	Special Weather Statement	BMX	Chilton	46 min
Jun 15, 1:00 PM CDT	Special Weather Statement	BMX	Pickens	45 min
Jun 15, 1:09 PM CDT	Special Weather Statement	BMX	Marion	36 min
Jun 15, 1:30 PM CDT	Special Weather Statement	BMX	Lamar	30 min
Jun 15, 1:42 PM CDT	Special Weather Statement	BMX	Fayette, Walker, Winston	63 min
Jun 15, 1:49 PM CDT	Special Weather Statement	BMX	Marion	56 min
Jun 15, 2:27 PM CDT	Special Weather Statement	BMX	Greene, Tuscaloosa	48 min
Jun 15, 2:33 PM CDT	Special Weather Statement	BMX	Blount, Etowah	42 min
Jun 15, 2:35 PM CDT	Special Weather Statement	BMX	Jefferson	70 min
Jun 15, 2:47 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah, Jefferson, St. Clair	28 min
Jun 15, 3:04 PM CDT	Special Weather Statement	BMX	Autauga, Bibb, Chilton, Dallas, Perry, Shelby	56 min
Jun 15, 3:08 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	52 min
Jun 15, 3:15 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Calhoun, Chilton, Coosa, Etowah, Jefferson and 3 more	60 min
Jun 15, 3:16 PM CDT	Severe Thunderstorm Warning	BMX	Pickens	44 min
Jun 15, 3:45 PM CDT	Special Weather Statement	BMX	Tuscaloosa	30 min
Jun 15, 4:00 PM CDT	Special Weather Statement	BMX	Russell	45 min
Jun 15, 4:12 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Clay, Cleburne, Coosa, Randolph, Tallapoosa	78 min
Jun 15, 4:50 PM CDT	Severe Thunderstorm Warning	BMX	Elmore	55 min
Jun 15, 5:01 PM CDT	Special Weather Statement	BMX	Bullock, Macon	44 min
Jun 15, 5:16 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Lee, Macon	74 min
Jun 15, 5:52 PM CDT	Special Weather Statement	BMX	Bullock	53 min
Jun 15, 6:26 PM CDT	Areal Flood Warning	BMX	Bullock, Macon	3 hr

Nearby

Special Weather Statements in Alabama, 2017 Every special weather statement in 2017

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.