Alert archive / Alabama / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 5, NWS Huntsville, AL

March 9, 2019Limestone County, Madison County, Morgan County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Mar 9, 2019, 2:29 PM CST for Limestone County, Madison County, Morgan County, Alabama. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 9, 2019, 2:29 PM CST (20:29 UTC)
Expired: Mar 9, 2019, 3:00 PM CST
In force: 31 min
Issued by: NWS Huntsville, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Limestone County, AL, Madison County, AL, Morgan County, AL

The radar

The Northeast Alabama radar (KHTX), 71 km from the middle of the area, began a volume at 20:31 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 9, 2:16 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.5 hours before the alert went out and 166 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: 182 J/kg
Mixed-layer CIN: -215 J/kg
Mixed-layer LCL: 530 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Huntsville, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 9, 11:48 AM CST, 2 hours 41 minutes earlier.

Area forecast discussion, Mar 9, 11:48 AM CST, 2 hours 41 minutes before

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Hazardous weather outlook, Mar 9, 10:34 AM CST, 3 hours 55 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Huntsville AL
1034 AM CST Sat Mar 9 2019

ALZ001>010-016-TNZ076-096-097-100745-
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan-
Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN-
1034 AM CST Sat Mar 9 2019

This Hazardous Weather Outlook is for north Alabama and portions of
southern middle Tennessee.

.DAY ONE...This Afternoon and Tonight...

Scattered to numerous strong to severe thunderstorms are expected
this afternoon and evening along and in advance of a cold front. All
modes of severe weather will be possible, including damaging winds,
large hail, and a few tornadoes. A strong tornado cannot be ruled
out across Northwest Alabama and North Central Alabama.

Rainfall amounts through Sunday morning will generally be below 1.5
inches, though locally higher amounts are possible. Main stem rivers
and tributaries will also rise through Sunday and Monday, with minor
flooding possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Isolated to scattered thunderstorms are possible once again
Wednesday through Thursday as another cold front approaches the
region. Some of these could be strong with heavy rain and gusty
winds.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Mar 9, 11:19 AM CST, 3 hours 10 minutes before

Special Weather Statement
National Weather Service Huntsville AL
1119 AM CST SAT MAR 9 2019

ALZ001-004-005-091745-
Lawrence AL-Lauderdale AL-Limestone AL-
1119 AM CST SAT MAR 9 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LAUDERDALE...CENTRAL
LIMESTONE AND LAWRENCE COUNTIES UNTIL 1145 AM CST...

At 1118 AM CST, Doppler radar was tracking a strong thunderstorm 9
miles south of Town Creek, or 10 miles northwest of Moulton, moving
northeast at 55 mph.

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

Locations impacted include...
Decatur, Athens, Moulton, Rogersville, Town Creek, Courtland, Tanner,
North Courtland, Hillsboro and Anderson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3496 8732 3468 8688 3462 8699 3468 8710
      3456 8711 3440 8742 3450 8753 3457 8753
      3458 8751 3460 8751 3465 8748 3465 8745
      3470 8745 3471 8742 3474 8743 3477 8742
      3478 8743
TIME...MOT...LOC 1718Z 224DEG 47KT 3455 8745

AMP

Local storm report, Mar 9, 12:19 PM CST, 2 hours 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1219 PM CST SAT MAR 9 2019

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

1155 AM     NON-TSTM WND DMG 6 W ROGERSVILLE         34.82N 87.38W
03/09/2019                   LAUDERDALE         AL   EMERGENCY MNGR

            A FEW TREES DOWN NEAR WHEELER DAM.

&&

AMP

Special weather statement, Mar 9, 1:38 PM CST, 51 minutes before

Special Weather Statement
National Weather Service Huntsville AL
138 PM CST SAT MAR 9 2019

ALZ001-004-005-092015-
Lawrence AL-Lauderdale AL-Limestone AL-
138 PM CST SAT MAR 9 2019

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN LAUDERDALE...NORTHWESTERN
LIMESTONE AND NORTH CENTRAL LAWRENCE COUNTIES UNTIL 215 PM CST...

At 138 PM CST, Doppler radar was tracking a strong thunderstorm near
Rogersville, or 19 miles east of Muscle Shoals, moving northeast at
55 mph.

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

Locations impacted include...
Rogersville, Ardmore, Elkmont, Anderson, Lester, Good Springs,
Cartwright, Coxey, Oliver and Mt Rozell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3499 8684 3468 8729 3475 8743 3477 8742
      3478 8743 3480 8743 3500 8733
TIME...MOT...LOC 1938Z 224DEG 49KT 3477 8733

AMP

Special weather statement, Mar 9, 2:07 PM CST, 22 minutes before

Special Weather Statement
National Weather Service Huntsville AL
207 PM CST SAT MAR 9 2019

ALZ004-005-007-016-092030-
Lawrence AL-Morgan AL-Limestone AL-Cullman AL-
207 PM CST SAT MAR 9 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LIMESTONE...
NORTHWESTERN CULLMAN...MORGAN AND SOUTHEASTERN LAWRENCE COUNTIES
UNTIL 230 PM CST...

At 206 PM CST, Doppler radar was tracking a strong thunderstorm over
Brushy Lake, or 12 miles south of Moulton, moving northeast at 65
mph.

Pea size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Decatur, Athens, Hartselle, Moulton, Priceville, Trinity, Falkville,
Tanner, Somerville and West Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Strong gusty winds will be capable of knocking down small tree limbs
along with other small unsecured items. Seek safe shelter until this
storm has passed.

&&

LAT...LON 3430 8711 3430 8746 3432 8747 3477 8699
      3430 8660 3420 8711
TIME...MOT...LOC 2006Z 240DEG 58KT 3430 8730

AMP

Special weather statement, Mar 9, 2:13 PM CST, 16 minutes before

Special Weather Statement
National Weather Service Huntsville AL
213 PM CST SAT MAR 9 2019

TNZ076-096-097-092100-
Franklin TN-Moore TN-Lincoln TN-
213 PM CST SAT MAR 9 2019

...SIGNIFICANT WEATHER ADVISORY FOR MOORE...LINCOLN AND NORTHWESTERN
FRANKLIN COUNTIES UNTIL 300 PM CST...

At 213 PM CST, Doppler radar was tracking a strong thunderstorm over
Ardmore, or 16 miles southwest of Fayetteville, moving northeast at
60 mph.

Pea size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Winchester, Fayetteville, Lynchburg, Decherd, Estill Springs, Cowan,
Ardmore, Tims Ford Lake, Lincoln and Howell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Strong gusty winds will be capable of knocking down small tree limbs
along with other small unsecured items. Seek safe shelter until this
storm has passed.

&&

LAT...LON 3541 8626 3539 8628 3538 8625 3537 8627
      3534 8624 3534 8619 3517 8601 3499 8651
      3499 8684 3514 8683 3532 8663 3533 8660
      3537 8658 3535 8654 3536 8649 3533 8646
      3532 8642 3535 8641 3536 8633
TIME...MOT...LOC 2013Z 235DEG 53KT 3501 8680

AMP

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 7:31 PM CST	Special Weather Statement	HUN	Limestone, Madison	44 min
Mar 8, 8:15 PM CST	Special Weather Statement	HUN	Madison	45 min
Mar 9, 11:19 AM CST	Special Weather Statement	HUN	Lawrence	26 min
Mar 9, 1:38 PM CST	Special Weather Statement	HUN	Limestone	37 min
Mar 9, 2:07 PM CST	Special Weather Statement	HUN	Morgan	23 min
Mar 9, 2:59 PM CST	Severe Thunderstorm Warning	HUN	Madison, Marshall, Morgan	31 min
Mar 9, 3:20 PM CST	Tornado Warning	HUN	Jackson, Madison, Marshall, Morgan	29 min
Mar 9, 3:29 PM CST	Special Weather Statement	HUN	Cullman, Morgan	46 min
Mar 9, 3:38 PM CST	Severe Thunderstorm Warning	HUN	Cullman, Morgan	17 min
Mar 9, 3:50 PM CST	Special Weather Statement	HUN	Jackson	40 min
Mar 9, 4:25 PM CST	Special Weather Statement	HUN	Marshall	50 min
Mar 9, 4:59 PM CST	Special Weather Statement	HUN	DeKalb	46 min
Mar 9, 5:16 PM CST	Severe Thunderstorm Warning	HUN	Colbert, Lauderdale	44 min
Mar 9, 5:59 PM CST	Special Weather Statement	HUN	Colbert	46 min
Mar 9, 2:13 PM CST	Special Weather Statement	HUN	Franklin, Lincoln, Moore	47 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2019 Every severe thunderstorm warning in 2019

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.