Alert archive / Alabama / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 13, NWS Birmingham, AL

January 11, 2020Cherokee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 11, 2020, 1:41 PM CST for Cherokee County, Alabama. It was in force for 79 min. 5 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
Jan 11, 2020, 1:41 PM CST (19:41 UTC)
Expired
Jan 11, 2020, 3:00 PM CST
In force
79 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

County Cherokee County, AL

The radar

The Northeast Alabama radar (KHTX), 95 km from the middle of the area, began a volume at 19:44 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.

What was reported inside it

TimeReportWhereRemark
Jan 11, 2:01 PM CSTTSTM WND DMG1 Wnw Weiss Dam, ALA CARPORT WAS LOFTED IN THE AIR AND DAMAGED 2 VEHICLES.
Jan 11, 2:07 PM CSTTSTM WND DMGCentre, ALSTRUCTURAL DAMAGE TO A HOME. SHED DESTORYED. ALONG CR 157.
Jan 11, 2:24 PM CSTTSTM WND DMGLeesburg, ALTREES ON A HOUSE, STRUCTURAL DAMAGE TO HOME. CR 271 AT HWY 273.
Jan 11, 2:25 PM CSTTSTM WND DMG2 S Leesburg, ALPOWER LINES DOWN ON COUNTY ROAD 7.
Jan 11, 2:31 PM CSTTSTM WND DMGCentre, ALTREES AND POWER LINES REPORTED DOWN IN SEVERAL LOCATIONS ACROSS THE COUNTY.

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
Jan 11, 12:42 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.7 hours before the alert went out and 137 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 12:00Z on 2020-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 12:00Z on 2020-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 417 square meters per square second.19395878Sfc1 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
13 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
557 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
417 m²/s²
0-3 km storm-relative helicity
450 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

336 
WUUS54 KBMX 111941
SVRBMX
ALC019-112100-
/O.NEW.KBMX.SV.W.0013.200111T1941Z-200111T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
141 PM CST Sat Jan 11 2020

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  Cherokee County in northeastern Alabama...

* Until 300 PM CST.

* At 140 PM CST, severe thunderstorms were located along a line
  extending from near Crossville to near Reece City to near Rainbow
  City, moving northeast at 65 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Centre, Cedar Bluff, Little River Canyon National Preserve, Forney,
  Centre Municipal Airport, Leesburg, Sand Rock, Gaylesville,
  Tennala, Cherokee Rock Village, Pleasant Gap, Cornwall Furnace
  Park, Blanche, Eastern Weiss Lake, Slackland, Western Weiss Lake,
  Moshat, Ball Flat, Coloma and Weiss Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CST for northeastern
and east central Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3396 8540 3396 8549 3395 8550 3394 8552
      3396 8554 3397 8574 3412 8579 3413 8580
      3411 8584 3424 8584 3424 8581 3425 8581
      3426 8577 3437 8563 3444 8558 3449 8557
      3453 8552
TIME...MOT...LOC 1940Z 235DEG 58KT 3430 8608 3409 8597 3390 8607 

HAIL...<.75IN
WIND...70MPH
 
$$

40/Sizemore
3 follow-up statements
252 
WWUS54 KBMX 111956
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
156 PM CST Sat Jan 11 2020

ALC019-112100-
/O.CON.KBMX.SV.W.0013.000000T0000Z-200111T2100Z/
Cherokee AL-
156 PM CST Sat Jan 11 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CST
FOR CHEROKEE COUNTY...

At 156 PM CST, severe thunderstorms were located along a line
extending from near Fyffe to near Sand Rock to Ballplay, moving
northeast at 65 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Centre, Cedar Bluff, Little River Canyon National Preserve, Forney,
Centre Municipal Airport, Leesburg, Sand Rock, Gaylesville, Tennala,
Cherokee Rock Village, Pleasant Gap, Cornwall Furnace Park, Blanche,
Eastern Weiss Lake, Slackland, Western Weiss Lake, Moshat, Ball Flat,
Coloma and Weiss Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CST for northeastern
and east central Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3396 8540 3396 8549 3395 8550 3394 8552
      3396 8554 3397 8574 3412 8579 3413 8580
      3411 8584 3424 8584 3424 8581 3425 8581
      3426 8577 3437 8563 3444 8558 3449 8557
      3453 8552
TIME...MOT...LOC 1956Z 235DEG 58KT 3444 8584 3423 8573 3404 8583 

HAIL...<.75IN
WIND...70MPH
 
$$

40/Sizemore
739 
WWUS54 KBMX 112017
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
217 PM CST Sat Jan 11 2020

ALC019-112100-
/O.CON.KBMX.SV.W.0013.000000T0000Z-200111T2100Z/
Cherokee AL-
217 PM CST Sat Jan 11 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CST
FOR CHEROKEE COUNTY...

At 216 PM CST, severe thunderstorms were located along a line
extending from 9 miles southeast of Ider to 6 miles southwest of
Summerville to near Ball Flat, moving northeast at 65 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Centre, Cedar Bluff, Little River Canyon National Preserve, Forney,
Centre Municipal Airport, Leesburg, Sand Rock, Gaylesville, Tennala,
Cherokee Rock Village, Pleasant Gap, Cornwall Furnace Park, Blanche,
Eastern Weiss Lake, Slackland, Western Weiss Lake, Moshat, Ball Flat,
Coloma and Weiss Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CST for northeastern
and east central Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3396 8540 3396 8549 3395 8550 3394 8552
      3396 8554 3397 8574 3412 8579 3413 8580
      3411 8584 3424 8584 3424 8581 3425 8581
      3426 8577 3437 8563 3444 8558 3449 8557
      3453 8552
TIME...MOT...LOC 2016Z 234DEG 58KT 3462 8553 3441 8542 3397 8571 

HAIL...<.75IN
WIND...70MPH
 
$$

40/Sizemore
319 
WWUS54 KBMX 112036
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
236 PM CST Sat Jan 11 2020

ALC019-112100-
/O.CON.KBMX.SV.W.0013.000000T0000Z-200111T2100Z/
Cherokee AL-
236 PM CST Sat Jan 11 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CST
FOR CHEROKEE COUNTY...

At 236 PM CST, severe thunderstorms were located along a line
extending from near La Fayette to 10 miles east of Trion to near
Forney, moving northeast at 65 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Centre, Cedar Bluff, Centre Municipal Airport, Little River Canyon
National Preserve, Forney, Gaylesville, Tennala, Pleasant Gap,
Cornwall Furnace Park, Western Weiss Lake, Blanche, Eastern Weiss
Lake, Moshat, Ball Flat, Coloma, Fullerton, New Moon, Chesnut Bay
Resort, Spring Garden and Broomtown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CST for northeastern
and east central Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3396 8540 3396 8549 3395 8550 3394 8552
      3396 8554 3397 8574 3404 8576 3432 8569
      3437 8563 3444 8558 3449 8557 3453 8552
TIME...MOT...LOC 2036Z 235DEG 58KT 3479 8524 3458 8513 3414 8542 

HAIL...<.75IN
WIND...70MPH
 
$$

40/Sizemore

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 10, 7:50 PM CSTRiver Flood WarningBMXGreene, Hale, Marengo, Pickens, Sumter8 days
Jan 11, 7:39 AM CSTSevere Thunderstorm WarningBMXLamar, Marion66 min
Jan 11, 9:40 AM CSTSpecial Weather StatementBMXMarion65 min
Jan 11, 10:07 AM CSTAreal Flood AdvisoryBMXMarion3 hr
Jan 11, 10:36 AM CSTSevere Thunderstorm WarningBMXGreene, Pickens, Sumter54 min
Jan 11, 10:47 AM CSTSpecial Weather StatementBMXFayette, Lamar, Marion43 min
Jan 11, 11:00 AM CSTTornado WarningBMXGreene, Sumter30 min
Jan 11, 11:01 AM CSTTornado WarningBMXPickens42 min
Jan 11, 11:27 AM CSTSevere Thunderstorm WarningBMXFayette, Greene, Hale, Lamar, Marengo, Pickens and 2 more63 min
Jan 11, 11:33 AM CSTTornado WarningBMXGreene, Pickens, Tuscaloosa27 min
Jan 11, 11:50 AM CSTTornado WarningBMXFayette16 min
Jan 11, 12:01 PM CSTSevere Thunderstorm WarningBMXBibb, Fayette, Jefferson, Shelby, Tuscaloosa, Walker59 min
Jan 11, 12:04 PM CSTSpecial Weather StatementBMXWinston56 min
Jan 11, 12:08 PM CSTTornado WarningBMXJefferson, Tuscaloosa24 min
Jan 11, 12:09 PM CSTSevere Thunderstorm WarningBMXBibb, Perry66 min
Jan 11, 12:24 PM CSTSevere Thunderstorm WarningBMXWinston36 min
Jan 11, 12:35 PM CSTAreal Flood AdvisoryBMXBibb, Fayette, Greene, Hale, Jefferson, Marion and 4 more115 min
Jan 11, 12:38 PM CSTSevere Thunderstorm WarningBMXBlount, Jefferson, St. Clair67 min
Jan 11, 12:38 PM CSTTornado WarningBMXJefferson18 min
Jan 11, 12:47 PM CSTSevere Thunderstorm WarningBMXDallas, Marengo58 min
Jan 11, 12:52 PM CSTSevere Thunderstorm WarningBMXChilton, Jefferson, St. Clair, Shelby68 min
Jan 11, 1:09 PM CSTSevere Thunderstorm WarningBMXEtowah81 min
Jan 11, 1:19 PM CSTAreal Flood AdvisoryBMXBibb, Blount, Chilton, Etowah, Jefferson, St. Clair and 1 more116 min
Jan 11, 1:27 PM CSTSevere Thunderstorm WarningBMXAutauga, Chilton, Lowndes65 min
Jan 11, 1:29 PM CSTAreal Flood AdvisoryBMXAutauga, Calhoun, Cleburne, Coosa, Elmore, Etowah and 3 more2 hr
Jan 11, 1:40 PM CSTSevere Thunderstorm WarningBMXCalhoun, Coosa, Talladega80 min
Jan 11, 1:47 PM CSTSevere Thunderstorm WarningBMXSt. Clair28 min
Jan 11, 1:50 PM CSTSevere Thunderstorm WarningBMXDallas12 min
Jan 11, 2:00 PM CSTAreal Flood AdvisoryBMXCherokee2 hr
Jan 11, 2:02 PM CSTSevere Thunderstorm WarningBMXSt. Clair, Shelby14 min
Jan 11, 2:09 PM CSTSevere Thunderstorm WarningBMXElmore, Montgomery62 min
Jan 11, 2:11 PM CSTSevere Thunderstorm WarningBMXClay61 min
Jan 11, 2:18 PM CSTAreal Flood AdvisoryBMXClay, Cleburne, Tallapoosa117 min
Jan 11, 2:21 PM CSTAreal Flood AdvisoryBMXMontgomery114 min
Jan 11, 2:23 PM CSTSevere Thunderstorm WarningBMXCleburne63 min
Jan 11, 2:27 PM CSTSevere Thunderstorm WarningBMXTallapoosa66 min
Jan 11, 2:40 PM CSTSevere Thunderstorm WarningBMXBullock, Macon, Pike80 min
Jan 11, 2:44 PM CSTAreal Flood AdvisoryBMXRandolph2 hr
Jan 11, 2:48 PM CSTSevere Thunderstorm WarningBMXRandolph72 min
Jan 11, 2:53 PM CSTAreal Flood AdvisoryBMXBullock, Macon, Pike2 hr
Jan 11, 3:07 PM CSTAreal Flood AdvisoryBMXChambers, Lee113 min
Jan 11, 3:07 PM CSTSevere Thunderstorm WarningBMXChambers, Lee, Russell73 min
Jan 11, 3:27 PM CSTAreal Flood AdvisoryBMXBarbour, Russell2 hr
Jan 11, 3:27 PM CSTTornado WarningBMXChambers, Tallapoosa18 min
Jan 11, 3:42 PM CSTSevere Thunderstorm WarningBMXBarbour, Russell78 min
Jan 11, 4:37 PM CSTTornado WarningBMXBarbour23 min
Jan 11, 5:24 PM CSTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter8 days
Jan 11, 5:24 PM CSTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter10 days

Nearby

Severe Thunderstorm Warnings in Alabama, 2020Every severe thunderstorm warning in 2020

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; radar from the NEXRAD Level II archive.