Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 14, NWS Birmingham, AL

January 22, 2017Lee County, Alabama

NWS Birmingham, AL issued this tornado warning at Jan 22, 2017, 1:48 PM CST for Lee County, Alabama. It was in force for 27 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
Jan 22, 2017, 1:48 PM CST (19:48 UTC)
Expired
Jan 22, 2017, 2:15 PM CST
In force
27 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 28 km from the middle of the area, began a volume at 19:52 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 22, 1:49 PM CSTTSTM WND DMG3 W Chewacla State Park, ALPOSSIBLE TORNADO. HALF THE ROOF BLOWN OFF A MOBILE HOME.
Jan 22, 2:00 PM CSTTORNADO1 Ne Robert G. Pitts Ai, ALEF1 WITH WINDS OF 90-95MPH TOUCHED DOWN SOUTH OF PEPPERELL PKWY, MOVED NORTHEAST CROSSING US280 AND WAVERLY PKWY. PATH LENGH OF 3.08MI. MAX WIDTH OF 600YDS. TOR LIFTED ALONG NORTHGATE DR. .
Jan 22, 2:00 PM CSTTORNADO1 Ne Robert G. Pitts Ai, ALEF1 WITH WINDS OF 90-95MPH TOUCHED DOWN SOUTH OF PEPPERELL PKWY, MOVED NORTHEAST CROSSING US280 AND WAVERLY PKWY. PATH LENGH OF 3.08MI. MAX WIDTH OF 600YDS. TOR LIFTED ALONG NORTHGATE DR. . THE DURATION OF THE TORNADO EVENT WAS 7 MINUTES.

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 22, 11:47 AM CSTTornado Watch PDSSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.8 hours before the alert went out and 127 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 2017-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 189 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2017-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 355 square meters per square second.1939587897117136Sfc1 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
189 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
355 m²/s²
0-3 km storm-relative helicity
423 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

608 
WFUS54 KBMX 221948
TORBMX
ALC081-222015-
/O.NEW.KBMX.TO.W.0014.170122T1948Z-170122T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
148 PM CST SUN JAN 22 2017

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Northwestern Lee County in east central Alabama...

* Until 215 PM CST
    
* At 148 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Tuskegee National Forest, or near Auburn, moving
  northeast at 30 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...
  Auburn, Opelika, Auburn University and Robert G. Pitts Airport. 

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 3251 8552 3255 8560 3271 8551 3269 8535
      3255 8548
TIME...MOT...LOC 1948Z 227DEG 25KT 3254 8554 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

17/KLAWS
1 follow-up statement
870 
WWUS54 KBMX 221955
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
155 PM CST SUN JAN 22 2017

ALC081-222015-
/O.CON.KBMX.TO.W.0014.000000T0000Z-170122T2015Z/
Lee AL-
155 PM CST SUN JAN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CST FOR
NORTHWESTERN LEE COUNTY...
    
At 154 PM CST, a severe thunderstorm capable of producing a tornado
was located over Auburn, 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...
Auburn, Opelika, Auburn University, Robert G. Pitts Airport and
Chewacla State Park.

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 3253 8550 3255 8555 3271 8548 3270 8543
      3268 8535
TIME...MOT...LOC 1954Z 223DEG 20KT 3257 8551 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

17/KLAWS

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 10:21 PM CSTSevere Thunderstorm WarningBMXBibb, Chilton, Shelby19 min
Jan 21, 10:55 PM CSTSevere Thunderstorm WarningBMXLowndes21 min
Jan 21, 11:05 PM CSTSevere Thunderstorm WarningBMXGreene, Pickens40 min
Jan 21, 11:29 PM CSTSevere Thunderstorm WarningBMXGreene, Sumter31 min
Jan 21, 11:42 PM CSTAreal Flood AdvisoryBMXPickens3 hr
Jan 21, 11:56 PM CSTSevere Thunderstorm WarningBMXTuscaloosa52 min
Jan 22, 12:27 AM CSTSevere Thunderstorm WarningBMXBibb, Hale, Perry22 min
Jan 22, 12:41 AM CSTAreal Flood AdvisoryBMXFayette, Pickens, Tuscaloosa, Walker3 hr
Jan 22, 1:04 AM CSTSevere Thunderstorm WarningBMXJefferson, Shelby41 min
Jan 22, 1:17 AM CSTSevere Thunderstorm WarningBMXSt. Clair39 min
Jan 22, 1:18 AM CSTSevere Thunderstorm WarningBMXBlount, Jefferson38 min
Jan 22, 1:31 AM CSTSevere Thunderstorm WarningBMXEtowah40 min
Jan 22, 9:06 AM CSTWind AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more33 hr
Jan 22, 11:57 AM CSTSevere Thunderstorm WarningBMXAutauga, Chilton, Dallas, Lowndes63 min
Jan 22, 12:04 PM CSTTornado WarningBMXAutauga20 min
Jan 22, 12:32 PM CSTSevere Thunderstorm WarningBMXCoosa, Elmore, Montgomery58 min
Jan 22, 12:56 PM CSTSevere Thunderstorm WarningBMXBullock, Macon, Pike64 min
Jan 22, 1:02 PM CSTAreal Flood AdvisoryBMXChilton, Coosa, Shelby3 hr
Jan 22, 1:08 PM CSTTornado WarningBMXBullock19 min
Jan 22, 1:24 PM CSTAreal Flood AdvisoryBMXBibb, Chilton, Jefferson, St. Clair, Shelby3 hr
Jan 22, 1:24 PM CSTTornado WarningBMXMacon19 min
Jan 22, 1:41 PM CSTSevere Thunderstorm WarningBMXChambers, Lee, Randolph, Tallapoosa64 min
Jan 22, 5:38 PM CSTSpecial Weather StatementBMXGreene, Hale, Marengo, Perry37 min

Nearby

Tornado Warnings in Alabama, 2017Every tornado warning in 2017Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.