Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 75, NWS Mobile, AL

October 28, 2020Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 28, 2020, 6:25 PM CDT for Baldwin County, Alabama. It was in force for 20 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: Oct 28, 2020, 6:25 PM CDT (23:25 UTC)
Expired: Oct 28, 2020, 6:45 PM CDT
In force: 20 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 51 km from the middle of the area, began a volume at 23:27 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.

Issued	Product	Office	Lasted
Oct 28, 1:03 PM CDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.4 hours before the alert went out and 171 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1534 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 595 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 214 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.9

Open this sounding in Storm Lab

The text

As transmitted.

171 
WFUS54 KMOB 282325
TORMOB
ALC003-282345-
/O.NEW.KMOB.TO.W.0075.201028T2325Z-201028T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
625 PM CDT Wed Oct 28 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southwestern Baldwin County in southwestern Alabama...

* Until 645 PM CDT.
    
* At 624 PM CDT, a severe thunderstorm capable of producing a 
  tornado over water was located 10 miles southwest of Gulf Shores, 
  moving north at 55 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
  southwestern Baldwin County.

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.

If on or near Southern Mobile Bay, get away from the water and move 
to safe shelter immediately. If you can hear thunder, you are close 
enough to be struck by lightning. Severe thunderstorms can produce 
large capsizing waves, even on small bodies of water. Move into dock 
and seek safe shelter now! Do not be caught on the water in a 
thunderstorm.

&&

LAT...LON 3022 8796 3039 8808 3050 8785 3022 8777
TIME...MOT...LOC 2324Z 161DEG 46KT 3016 8782 

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

$$

Black

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 28, 4:53 AM CDT	Special Marine Warning	MOB		97 min
Oct 28, 12:34 PM CDT	River Flood Warning	MOB	Mobile	21 days
Oct 28, 3:06 PM CDT	Special Marine Warning	MOB		39 min
Oct 28, 4:37 PM CDT	Tornado Warning	MOB	Escambia	23 min
Oct 28, 5:20 PM CDT	Special Marine Warning	MOB		55 min
Oct 28, 5:48 PM CDT	Special Marine Warning	MOB		57 min
Oct 28, 6:13 PM CDT	Special Marine Warning	MOB		92 min
Oct 28, 6:27 PM CDT	Special Marine Warning	MOB		33 min
Oct 28, 6:44 PM CDT	Tornado Warning	MOB	Baldwin	31 min
Oct 28, 6:47 PM CDT	Special Marine Warning	MOB		88 min

Nearby

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