Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 30, NWS Mobile, AL

April 19, 2020Baldwin County, Clarke County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 19, 2020, 9:23 PM CDT for Baldwin County, Clarke County, Washington County, Alabama. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 19, 2020, 9:23 PM CDT (02:23 UTC)
Expired
Apr 19, 2020, 9:47 PM CDT
In force
24 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Baldwin County, AL, Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 74 km from the middle of the area, began a volume at 02:23 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 19, 3:56 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.4 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, Slidell Radar S, LA at 00:00Z on 2020-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2097 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, Slidell Radar S, LA at 00:00Z on 2020-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.1939587897Sfc1 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
2097 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
2.5
Supercell composite
9.5

Open this sounding in Storm Lab

The text

As transmitted.

351 
WFUS54 KMOB 200223
TORMOB
ALC003-025-129-200300-
/O.NEW.KMOB.TO.W.0030.200420T0223Z-200420T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
923 PM CDT Sun Apr 19 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  North central Baldwin County in southwestern Alabama...
  Southeastern Washington County in southwestern Alabama...
  South central Clarke County in southwestern Alabama...

* Until 1000 PM CDT.
    
* At 923 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles southeast of Tibbie, or 13 miles north of
  Citronelle, moving east at 55 mph.

  HAZARD...Tornado and quarter 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...
  McIntosh around 930 PM 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 3132 8824 3135 8778 3133 8778 3133 8779
      3131 8778 3117 8777 3124 8826
TIME...MOT...LOC 0223Z 273DEG 48KT 3128 8816 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JLH
1 follow-up statement
455 
WWUS54 KMOB 200247
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
947 PM CDT Sun Apr 19 2020

ALC003-025-129-200256-
/O.CAN.KMOB.TO.W.0030.000000T0000Z-200420T0300Z/
Baldwin AL-Washington AL-Clarke AL-
947 PM CDT Sun Apr 19 2020

...THE TORNADO WARNING FOR NORTH CENTRAL BALDWIN...SOUTHEASTERN
WASHINGTON AND SOUTH CENTRAL CLARKE COUNTIES IS CANCELLED...
                
The circulation which prompted the warning has weakened and no 
longer appears capable of producing a tornado. Therefore, the 
warning has been cancelled.

A Tornado Watch remains in effect until 400 AM CDT for south central
and southwestern Alabama.

LAT...LON 3132 8824 3135 8778 3133 8778 3133 8779
      3131 8778 3117 8777 3124 8826
TIME...MOT...LOC 0245Z 273DEG 48KT 3126 8780 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 7:10 PM CDTTornado WarningMOBButler, Monroe, Wilcox22 min
Apr 19, 7:30 PM CDTSevere Thunderstorm WarningMOBButler30 min
Apr 19, 7:54 PM CDTSevere Thunderstorm WarningMOBCrenshaw30 min
Apr 19, 8:10 PM CDTFlash Flood WarningMOBClarke, Washington3 hr
Apr 19, 8:24 PM CDTRiver Flood WarningMOBDallas, Monroe, Wilcox8 days
Apr 19, 8:50 PM CDTSevere Thunderstorm WarningMOBWashington55 min
Apr 19, 9:04 PM CDTFlash Flood WarningMOBBaldwin, Clarke, Escambia, Monroe, Washington3 hr
Apr 19, 9:07 PM CDTTornado WarningMOBWashington38 min
Apr 19, 9:42 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Mobile19 min
Apr 19, 10:06 PM CDTSpecial Weather StatementMOBButler, Conecuh, Covington, Crenshaw39 min
Apr 19, 10:35 PM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia25 min
Apr 19, 10:38 PM CDTSevere Thunderstorm WarningMOBMobile52 min
Apr 19, 10:40 PM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw35 min
Apr 19, 10:47 PM CDTTornado WarningMOBCovington28 min
Apr 19, 10:52 PM CDTSpecial Marine WarningMOB53 min
Apr 19, 10:54 PM CDTSevere Thunderstorm WarningMOBMobile51 min
Apr 19, 10:54 PM CDTSevere Thunderstorm WarningMOBCovington36 min
Apr 19, 11:03 PM CDTTornado WarningMOBMobile27 min
Apr 19, 11:07 PM CDTTornado WarningMOBMobile38 min
Apr 19, 11:14 PM CDTSevere Thunderstorm WarningMOBBaldwin61 min
Apr 19, 11:26 PM CDTTornado WarningMOBBaldwin29 min
Apr 19, 11:29 PM CDTTornado WarningMOBBaldwin31 min
Apr 19, 11:41 PM CDTSevere Thunderstorm WarningMOBEscambia34 min
Apr 19, 11:43 PM CDTSevere Thunderstorm WarningMOBMobile47 min
Apr 19, 11:45 PM CDTSpecial Marine WarningMOB90 min
Apr 19, 11:45 PM CDTTornado WarningMOBBaldwin30 min
Apr 19, 11:54 PM CDTSpecial Marine WarningMOB96 min
Apr 20, 12:05 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia40 min
Apr 20, 12:07 AM CDTSpecial Marine WarningMOB113 min
Apr 20, 12:10 AM CDTSevere Thunderstorm WarningMOBBaldwin50 min
Apr 20, 12:28 AM CDTSevere Thunderstorm WarningMOBMobile28 min
Apr 20, 12:45 AM CDTSpecial Weather StatementMOBCovington30 min
Apr 20, 12:50 AM CDTSpecial Marine WarningMOB85 min
Apr 20, 12:54 AM CDTSpecial Marine WarningMOB2 hr
Apr 20, 12:54 AM CDTSevere Thunderstorm WarningMOBBaldwin66 min
Apr 20, 1:25 AM CDTSpecial Marine WarningMOB35 min
Apr 20, 2:13 AM CDTSpecial Marine WarningMOB43 min
Apr 20, 2:59 AM CDTSpecial Marine WarningMOB39 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.