Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 3, NWS Mobile, AL

February 10, 2020Clarke County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Feb 10, 2020, 7:05 PM CST for Clarke County, Washington County, Alabama. It was in force for 25 min. 1 report 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
Feb 10, 2020, 7:05 PM CST (01:05 UTC)
Expired
Feb 10, 2020, 7:30 PM CST
In force
25 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 106 km from the middle of the area, began a volume at 01:08 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
Feb 10, 7:06 PM CSTTSTM WND DMGLoper, ALTREES FELL ONTO 2 HOMES AND 1 MOBILE HOME NEAR THE INTERSECTION OF HIGHWAY 17 AND BARLOW RD. NUMEROUS OTHER TREES WERE UPROOTED. A TORNADO PATH COULD NOT BE IDENTIFIED AND THIS DAMAGE WAS CAUSED BY STRAIGHT LINE WINDS.

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

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.1 hours before the alert went out and 203 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, Jackson, MS at 00:00Z on 2020-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 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, Jackson, MS at 00:00Z on 2020-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 222 square meters per square second.1939587897117Sfc1 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
125 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
222 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

322 
WFUS54 KMOB 110105
TORMOB
ALC025-129-110130-
/O.NEW.KMOB.TO.W.0003.200211T0105Z-200211T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
705 PM CST Mon Feb 10 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Northern Washington County in southwestern Alabama...
  Western Clarke County in southwestern Alabama...

* Until 730 PM CST.
    
* At 705 PM CST, a severe thunderstorm capable of producing a tornado
  was located 4 miles southeast of Millry, or 7 miles north of
  Chatom, moving east at 40 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.

* This tornadic thunderstorm will remain over mainly rural areas of
  northern Washington and western Clarke Counties.

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 3167 8797 3156 8795 3152 8831 3160 8836
      3173 8801
TIME...MOT...LOC 0105Z 254DEG 33KT 3158 8828 

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

$$

Black
1 follow-up statement
130 
WWUS54 KMOB 110114
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
714 PM CST Mon Feb 10 2020

ALC025-129-110130-
/O.CON.KMOB.TO.W.0003.000000T0000Z-200211T0130Z/
Washington AL-Clarke AL-
714 PM CST Mon Feb 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CST FOR
NORTHEASTERN WASHINGTON AND WESTERN CLARKE COUNTIES...
    
At 714 PM CST, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Millry, or 10 miles northeast of Chatom,
moving east at 40 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.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Washington and western Clarke Counties.

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 3157 8795 3155 8826 3162 8831 3173 8801
      3167 8797
TIME...MOT...LOC 0114Z 254DEG 33KT 3160 8818 

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

$$

Black

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 6:39 PM CSTSpecial Weather StatementMOBWashington36 min
Feb 10, 6:47 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington43 min
Feb 10, 7:28 PM CSTTornado WarningMOBClarke, Washington19 min
Feb 10, 7:45 PM CSTSpecial Weather StatementMOBClarke, Monroe30 min
Feb 10, 8:01 PM CSTSevere Thunderstorm WarningMOBClarke44 min
Feb 10, 8:35 PM CSTSpecial Weather StatementMOBMonroe40 min
Feb 10, 8:42 PM CSTAreal Flood AdvisoryMOBClarke, Wilcox2 hr
Feb 11, 2:59 PM CSTDense Fog AdvisoryMOBBaldwin, Covington, Escambia, Mobile18 hr

Nearby

Tornado Warnings in Alabama, 2020Every tornado warning in 2020Tornadoes 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.