Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 14, NWS Birmingham, AL

April 22, 2018Montgomery County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 22, 2018, 2:15 PM CDT for Montgomery County, Alabama. It was in force for 30 min. 2 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 22, 2018, 2:15 PM CDT (19:15 UTC)
Expired: Apr 22, 2018, 2:45 PM CDT
In force: 30 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Montgomery County, AL

The radar

The Maxwell AFB radar (KMXX), 69 km from the middle of the area, began a volume at 19:14 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

Time	Report	Where	Remark
Apr 22, 2:25 PM CDT	TORNADO	3 Wnw Grady, AL	NWS METEOROLOGISTS SURVEYED DAMAGE IN SOUTHWEST MONTGOMERY COUNTY AND DETERMINED THAT THE DAMAGE WAS CONSISTENT WITH AN EF0 TORNADO. THE TORNADO TOUCHED DOWN JUST EAST OF PHILADELPHIA CHURCH ROAD, NORTHEAST OF LAPINE AND WEST OF GRADY. THE TORNADO MOVED NORTHE
Apr 22, 2:30 PM CDT	TSTM WND DMG	3 Wnw Grady, AL	TREES DOWN ON NAFTEL-RAMER ROAD. POSSIBLE TORNADO.

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.3 hours before the alert went out and 134 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: 29 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 562 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

081 
WFUS54 KBMX 221915
TORBMX
ALC101-221945-
/O.NEW.KBMX.TO.W.0014.180422T1915Z-180422T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
215 PM CDT SUN APR 22 2018

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  South central Montgomery County in south central Alabama...

* Until 245 PM CDT
    
* At 214 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Highland Home, or 13 miles southwest of Meadville,
  moving northeast at 25 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Meadville, Sprague, Grady, Sellers, Strata, Dublin, Naftel, Ramer
  and Lapine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3205 8630 3205 8635 3221 8630 3211 8605
      3197 8617 3196 8630
TIME...MOT...LOC 1914Z 207DEG 22KT 3193 8631 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

05

4 follow-up statements

632 
WWUS54 KBMX 221922
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
222 PM CDT SUN APR 22 2018

ALC101-221945-
/O.CON.KBMX.TO.W.0014.000000T0000Z-180422T1945Z/
Montgomery AL-
222 PM CDT SUN APR 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR SOUTH
CENTRAL MONTGOMERY COUNTY...
    
At 222 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Naftel, or 9 miles southwest of Meadville, moving
northeast at 25 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Meadville, Sprague, Grady, Sellers, Strata, Dublin, Naftel, Ramer and
Lapine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3205 8634 3221 8630 3211 8605 3204 8611
      3197 8618 3196 8630 3205 8630
TIME...MOT...LOC 1922Z 206DEG 24KT 3199 8627 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

05

377 
WWUS54 KBMX 221930
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
230 PM CDT SUN APR 22 2018

ALC101-221945-
/O.CON.KBMX.TO.W.0014.000000T0000Z-180422T1945Z/
Montgomery AL-
230 PM CDT SUN APR 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR SOUTH
CENTRAL MONTGOMERY COUNTY...
    
At 230 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Ramer, or near Meadville, moving northeast at 25
mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Naftel, Ramer and Strata. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3198 8623 3201 8630 3205 8630 3218 8623
      3213 8611
TIME...MOT...LOC 1930Z 209DEG 24KT 3203 8624 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

05

839 
WWUS54 KBMX 221936
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
236 PM CDT SUN APR 22 2018

ALC101-221945-
/O.CON.KBMX.TO.W.0014.000000T0000Z-180422T1945Z/
Montgomery AL-
236 PM CDT SUN APR 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR SOUTH
CENTRAL MONTGOMERY COUNTY...
    
At 236 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Ramer, or near Meadville, moving northeast at 20
mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Ramer.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3201 8621 3205 8630 3218 8623 3213 8611
TIME...MOT...LOC 1936Z 206DEG 19KT 3205 8623 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

05

380 
WWUS54 KBMX 221943
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
243 PM CDT SUN APR 22 2018

ALC101-221953-
/O.EXP.KBMX.TO.W.0014.000000T0000Z-180422T1945Z/
Montgomery AL-
243 PM CDT SUN APR 22 2018

...THE TORNADO WARNING FOR SOUTH CENTRAL MONTGOMERY COUNTY WILL
EXPIRE AT 245 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

LAT...LON 3201 8621 3205 8630 3218 8623 3213 8611
TIME...MOT...LOC 1943Z 207DEG 22KT 3208 8621 

$$

05

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 3:14 AM CDT	Wind Advisory	BMX	Bibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 19 more	25 hr
Apr 22, 3:03 PM CDT	Tornado Warning	BMX	Barbour	27 min
Apr 22, 3:25 PM CDT	Tornado Warning	BMX	Barbour	35 min
Apr 22, 4:37 PM CDT	Special Weather Statement	BMX	Pickens	68 min
Apr 22, 5:49 PM CDT	Special Weather Statement	BMX	Tuscaloosa	56 min
Apr 22, 6:38 PM CDT	Severe Thunderstorm Warning	BMX	Hale	40 min
Apr 22, 6:55 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Perry	65 min

Nearby

Tornado Warnings in Alabama, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.