Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 24, NWS Mobile, AL

April 5, 2017Monroe County, Wilcox County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 5, 2017, 8:50 AM CDT for Monroe County, Wilcox County, Alabama. It was in force for 25 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 5, 2017, 8:50 AM CDT (13:50 UTC)
Expired
Apr 5, 2017, 9:15 AM CDT
In force
25 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Monroe County, AL, Wilcox County, AL

The radar

The Birmingham radar (KBMX), 150 km from the middle of the area, began a volume at 13:52 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
Apr 5, 9:10 AM CDTHAIL 1Camden, ALQUARTER SIZE HAIL REPORTED IN CAMDEN
Apr 5, 9:10 AM CDTHAIL 1.75Camden, ALPICTURES ON SOCIAL MEDIA OF PING PONG TO GOLF BALL SIZE HAIL IN CAMDEN

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
Apr 5, 6:54 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 1.8 hours before the alert went out and 151 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, Birmingham, AL at 12:00Z on 2017-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 560 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2017-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 408 square meters per square second.19395878Sfc1 km3 km6 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
560 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
408 m²/s²
0-3 km storm-relative helicity
396 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

133 
WFUS54 KMOB 051350
TORMOB
ALC099-131-051415-
/O.NEW.KMOB.TO.W.0024.170405T1350Z-170405T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
850 AM CDT WED APR 5 2017

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  North central Monroe County in south central Alabama...
  Southwestern Wilcox County in south central Alabama...

* Until 915 AM CDT
    
* At 850 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles south of Yellow Bluff, or 15 miles east of
  Thomasville, moving northeast at 45 mph.

  HAZARD...Tornado and half dollar size hail. 

  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. 

* This dangerous storm will be near...
  Vredenburgh around 900 AM CDT. 
  Camden around 910 AM CDT. 

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 3208 8719 3207 8719 3207 8718 3183 8706
      3175 8750 3178 8752 3181 8752 3182 8750
      3183 8750 3183 8755 3187 8758 3209 8721
TIME...MOT...LOC 1350Z 243DEG 38KT 3184 8749 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$
1 follow-up statement
541 
WWUS54 KMOB 051406
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
906 AM CDT WED APR 5 2017

ALC099-051416-
/O.CAN.KMOB.TO.W.0024.000000T0000Z-170405T1415Z/
Monroe AL-
906 AM CDT WED APR 5 2017

...THE TORNADO WARNING FOR NORTH CENTRAL MONROE COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until noon CDT for south central
Alabama.

LAT...LON 3208 8719 3207 8719 3207 8718 3205 8718
      3205 8717 3183 8706 3183 8742 3188 8745
      3195 8744 3209 8721
TIME...MOT...LOC 1406Z 243DEG 38KT 3192 8731 

$$

ALC131-051415-
/O.CON.KMOB.TO.W.0024.000000T0000Z-170405T1415Z/
Wilcox AL-
906 AM CDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR SOUTH
CENTRAL WILCOX COUNTY...
    
At 906 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Camden, moving northeast at 45 mph.

HAZARD...Tornado and half dollar size hail. 

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. 

This dangerous storm will be near...
  Camden around 910 AM CDT. 

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 3208 8719 3207 8719 3207 8718 3205 8718
      3205 8717 3183 8706 3183 8742 3188 8745
      3195 8744 3209 8721
TIME...MOT...LOC 1406Z 243DEG 38KT 3192 8731 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 10:49 PM CDTSpecial Weather StatementMOBMobile41 min
Apr 4, 10:58 PM CDTSpecial Marine WarningMOB47 min
Apr 4, 11:17 PM CDTSevere Thunderstorm WarningMOBMobile20 min
Apr 5, 12:39 AM CDTSpecial Weather StatementMOBEscambia51 min
Apr 5, 12:47 AM CDTSevere Thunderstorm WarningMOBConecuh, Escambia43 min
Apr 5, 1:25 AM CDTSevere Thunderstorm WarningMOBConecuh, Escambia50 min
Apr 5, 2:13 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw47 min
Apr 5, 2:32 AM CDTSpecial Weather StatementMOBChoctaw28 min
Apr 5, 2:59 AM CDTSpecial Weather StatementMOBCrenshaw31 min
Apr 5, 7:01 AM CDTSevere Thunderstorm WarningMOBClarke, Mobile, Washington44 min
Apr 5, 7:04 AM CDTSevere Thunderstorm WarningMOBChoctaw, Washington56 min
Apr 5, 7:41 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington49 min
Apr 5, 7:46 AM CDTSpecial Weather StatementMOBMonroe44 min
Apr 5, 7:53 AM CDTSpecial Weather StatementMOBEscambia52 min
Apr 5, 7:59 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia46 min
Apr 5, 7:59 AM CDTTornado WarningMOBClarke, Washington31 min
Apr 5, 8:05 AM CDTSevere Thunderstorm WarningMOBClarke, Mobile, Washington40 min
Apr 5, 8:19 AM CDTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox41 min
Apr 5, 8:32 AM CDTSpecial Weather StatementMOBMonroe43 min
Apr 5, 8:34 AM CDTTornado WarningMOBCovington41 min
Apr 5, 8:42 AM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington48 min
Apr 5, 8:55 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia50 min
Apr 5, 9:11 AM CDTTornado WarningMOBWilcox19 min
Apr 5, 9:19 AM CDTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Escambia, Monroe41 min
Apr 5, 9:25 AM CDTSevere Thunderstorm WarningMOBButler, Covington, Crenshaw50 min
Apr 5, 9:54 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Monroe36 min
Apr 5, 10:03 AM CDTSpecial Marine WarningMOB57 min
Apr 5, 10:26 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw49 min
Apr 5, 10:52 AM CDTSpecial Marine WarningMOB98 min
Apr 5, 12:18 PM CDTSpecial Weather StatementMOBCovington42 min
Apr 5, 12:24 PM CDTSpecial Marine WarningMOB2 hr
Apr 5, 12:37 PM CDTSpecial Marine WarningMOB53 min
Apr 5, 1:25 PM CDTSpecial Marine WarningMOB95 min
Apr 5, 1:53 PM CDTGale WarningMOB17 hr
Apr 5, 1:53 PM CDTSmall Craft AdvisoryMOB38 hr
Apr 5, 2:06 PM CDTWind AdvisoryMOBBaldwin, Mobile23 hr

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.