Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 40, NWS Mobile, AL

April 23, 2020Wayne County, Mississippi; Choctaw County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 23, 2020, 5:19 AM CDT for Wayne County, Mississippi; Choctaw County, Washington County, Alabama. It was in force for 12 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 23, 2020, 5:19 AM CDT (10:19 UTC)
Expired
Apr 23, 2020, 5:31 AM CDT
In force
12 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Choctaw County, AL, Washington County, AL, Wayne County, MS

The radar

The Mobile radar (KMOB), 111 km from the middle of the area, began a volume at 10:20 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 23, 4:05 AM CDTTornado WatchSPC11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 10.3 hours before the alert went out and 185 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 2020-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Slidell Radar S, LA at 00:00Z on 2020-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 337 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
8 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
885 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
337 m²/s²
0-3 km storm-relative helicity
666 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

898 
WFUS54 KMOB 231019
TORMOB
ALC023-129-MSC153-231100-
/O.NEW.KMOB.TO.W.0040.200423T1019Z-200423T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
519 AM CDT Thu Apr 23 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southwestern Choctaw County in southwestern Alabama...
  Northwestern Washington County in southwestern Alabama...
  Central Wayne County in southeastern Mississippi...

* Until 600 AM CDT.
    
* At 519 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles west of Clara, or 11 miles west of Waynesboro,
  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 dangerous storm will be near...
  Clara around 530 AM CDT.
  Waynesboro around 535 AM CDT.
  Millry and Silas around 600 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 3151 8888 3169 8892 3183 8821 3157 8816
TIME...MOT...LOC 1019Z 260DEG 36KT 3162 8882 

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

$$
1 follow-up statement
496 
WWUS54 KMOB 231031
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
531 AM CDT Thu Apr 23 2020

ALC023-129-MSC153-231041-
/O.CAN.KMOB.TO.W.0040.000000T0000Z-200423T1100Z/
Choctaw AL-Washington AL-Wayne MS-
531 AM CDT Thu Apr 23 2020

...THE TORNADO WARNING FOR SOUTHWESTERN CHOCTAW...NORTHWESTERN
WASHINGTON AND CENTRAL WAYNE COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 100 PM CDT for southwestern
Alabama...and southeastern Mississippi.

LAT...LON 3151 8888 3169 8892 3183 8821 3157 8816
TIME...MOT...LOC 1030Z 260DEG 36KT 3164 8868 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 4:26 AM CDTSevere Thunderstorm WarningMOBWayne49 min
Apr 23, 4:32 AM CDTTornado Warning Tornado observedMOBWayne28 min
Apr 23, 4:55 AM CDTTornado WarningMOBWayne50 min
Apr 23, 5:35 AM CDTSevere Thunderstorm WarningMOBPerry, Stone40 min
Apr 23, 6:03 AM CDTSevere Thunderstorm WarningMOBGeorge, Greene, Perry, Stone42 min
Apr 23, 6:11 AM CDTTornado WarningMOBGeorge34 min
Apr 23, 6:40 AM CDTTornado WarningMOBGeorge, Stone24 min
Apr 23, 7:30 AM CDTFlash Flood WarningMOBGeorge3 hr
Apr 23, 7:41 AM CDTSevere Thunderstorm WarningMOBGeorge49 min
Apr 23, 11:01 AM CDTRiver Flood WarningMOBGeorge, Greene, Perry6 days
Apr 23, 3:38 PM CDTSevere Thunderstorm WarningMOBWayne50 min
Apr 23, 3:37 AM CDTSpecial Weather StatementMOBChoctaw53 min
Apr 23, 5:12 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington, Wilcox48 min
Apr 23, 5:57 AM CDTSevere Thunderstorm WarningMOBButler, Clarke, Conecuh, Monroe, Wilcox48 min
Apr 23, 6:41 AM CDTTornado WarningMOBBaldwin, Mobile49 min
Apr 23, 6:50 AM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia, Mobile40 min
Apr 23, 7:10 AM CDTTornado WarningMOBBaldwin, Escambia39 min
Apr 23, 7:35 AM CDTSevere Thunderstorm WarningMOBEscambia55 min
Apr 23, 7:59 AM CDTFlash Flood WarningMOBBaldwin, Mobile, Washington3 hr
Apr 23, 8:12 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Crenshaw, Escambia63 min
Apr 23, 8:30 AM CDTFlash Flood WarningMOBEscambia4 hr
Apr 23, 8:38 AM CDTTornado WarningMOBCovington34 min
Apr 23, 9:48 AM CDTCoastal Flood AdvisoryMOBBaldwin, Mobile9 hr
Apr 23, 10:27 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia43 min
Apr 23, 10:28 AM CDTFlash Flood WarningMOBConecuh, Covington, Escambia3 hr
Apr 23, 11:27 AM CDTSpecial Marine WarningMOB93 min
Apr 23, 11:59 AM CDTSpecial Marine WarningMOB46 min
Apr 23, 12:32 PM CDTAreal Flood WarningMOBEscambia6 hr
Apr 23, 12:51 PM CDTSpecial Marine WarningMOB114 min
Apr 23, 1:12 PM CDTSpecial Marine WarningMOB2 hr
Apr 23, 1:29 PM CDTSevere Thunderstorm WarningMOBBaldwin46 min
Apr 23, 1:32 PM CDTSpecial Marine WarningMOB88 min
Apr 23, 2:21 PM CDTSpecial Marine WarningMOB114 min
Apr 23, 3:36 PM CDTSevere Thunderstorm WarningMOBChoctaw39 min
Apr 23, 4:17 PM CDTSevere Thunderstorm WarningMOBChoctaw43 min
Apr 23, 4:26 PM CDTSevere Thunderstorm WarningMOBWashington22 min
Apr 23, 4:52 PM CDTSevere Thunderstorm WarningMOBWilcox38 min

Nearby

Tornado Warnings in Alabama, 2020Tornado Warnings in Mississippi, 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.