Alert archive / Alabama / Tornado Warnings in 2023

Tornado Warning 19, NWS Mobile, AL

May 17, 2023Clarke County, Alabama

NWS Mobile, AL issued this tornado warning at May 17, 2023, 2:10 PM CDT for Clarke County, Alabama. It was in force for 23 min. 3 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
May 17, 2023, 2:10 PM CDT (19:10 UTC)
Expired
May 17, 2023, 2:33 PM CDT
In force
23 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

County Clarke County, AL

The radar

The Mobile radar (KMOB), 101 km from the middle of the area, began a volume at 19:10 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
May 17, 2:10 PM CDTTSTM WND DMG1 Wsw Jackson, ALEM REPORTS MINOR TREE LIMB DEBRIS SCATTERED ACROSS THE AREA NEAR INDUSTRIAL DR & 177.
May 17, 2:10 PM CDTTSTM WND DMGJackson, ALCORRECTS PREVIOUS TSTM WND DMG REPORT FROM JACKSON. EM REPORTS A LARGE TREE DOWN NEAR 350 COMMERCE ST CLOSE TO VANITY PARK. CORRECTED TIME FROM 1:10 PM TO 2:10PM.
May 17, 2:12 PM CDTTSTM WND DMGJackson, ALCORRECTS PREVIOUS TSTM WND DMG REPORT FROM JACKSON. EM REPORTS TREE DOWN ON A POWERLINE AT THE INTERSECTION OF FOREST AVE & GOLF VIEW DR. TIME ESTIMATED ON RADAR. CORRECTED TIME FROM 1:12PM TO 2:12.

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.2 hours before the alert went out and 210 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 2023-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 414 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, Birmingham, AL at 12:00Z on 2023-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.193958Sfc1 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
414 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

922 
WFUS54 KMOB 171910
TORMOB
ALC025-172000-
/O.NEW.KMOB.TO.W.0019.230517T1910Z-230517T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
210 PM CDT Wed May 17 2023

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Clarke County in southwestern Alabama...

* Until 300 PM CDT.

* At 210 PM CDT, a confirmed tornado was located over Jackson, moving
  east at 20 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Weather spotters confirmed tornado.

  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
  central Clarke County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3155 8757 3152 8762 3150 8760 3148 8757
      3144 8757 3141 8761 3143 8765 3140 8771
      3137 8773 3135 8772 3144 8793 3145 8791
      3150 8791 3150 8792 3153 8794 3153 8796
      3156 8796 3157 8757
TIME...MOT...LOC 1910Z 283DEG 16KT 3151 8791 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

JEH
1 follow-up statement
338 
WWUS54 KMOB 171933
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
233 PM CDT Wed May 17 2023

ALC025-171942-
/O.CAN.KMOB.TO.W.0019.000000T0000Z-230517T2000Z/
Clarke AL-
233 PM CDT Wed May 17 2023

...THE TORNADO WARNING FOR CENTRAL CLARKE COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits. Therefore, the warning has been cancelled.

LAT...LON 3155 8757 3152 8762 3150 8760 3148 8757
      3144 8757 3141 8761 3143 8765 3140 8771
      3137 8773 3135 8772 3144 8793 3145 8791
      3150 8791 3150 8792 3153 8794 3153 8796
      3156 8796 3157 8757
TIME...MOT...LOC 1931Z 283DEG 16KT 3149 8779 

$$

JEH

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 10:05 AM CDTSpecial Marine WarningMOB85 min
May 17, 10:36 AM CDTSpecial Marine WarningMOB84 min
May 17, 11:04 AM CDTSpecial Marine WarningMOB56 min
May 17, 11:31 AM CDTSpecial Marine WarningMOB59 min
May 17, 11:47 AM CDTSpecial Weather StatementMOBMobile43 min
May 17, 11:57 AM CDTSpecial Marine WarningMOB79 min
May 17, 12:02 PM CDTSpecial Marine WarningMOB52 min
May 17, 12:35 PM CDTSpecial Weather StatementMOBClarke40 min
May 17, 1:15 PM CDTSpecial Weather StatementMOBClarke45 min
May 17, 1:23 PM CDTSpecial Weather StatementMOBBaldwin52 min
May 17, 1:26 PM CDTSpecial Weather StatementMOBMobile49 min
May 17, 1:30 PM CDTSpecial Weather StatementMOBWilcox45 min
May 17, 1:40 PM CDTSpecial Weather StatementMOBWilcox50 min
May 17, 1:51 PM CDTSpecial Weather StatementMOBWashington39 min
May 17, 2:08 PM CDTSevere Thunderstorm WarningMOBMonroe, Wilcox37 min
May 17, 2:14 PM CDTSevere Thunderstorm WarningMOBClarke31 min
May 17, 2:22 PM CDTSpecial Weather StatementMOBMobile38 min
May 17, 2:35 PM CDTSpecial Weather StatementMOBMobile40 min
May 17, 2:35 PM CDTSpecial Weather StatementMOBMonroe40 min
May 17, 2:55 PM CDTAreal Flood AdvisoryMOBBaldwin3 hr
May 17, 2:58 PM CDTFlash Flood WarningMOBBaldwin3 hr
May 17, 3:06 PM CDTSpecial Weather StatementMOBWashington39 min
May 17, 3:15 PM CDTSpecial Weather StatementMOBWashington45 min
May 17, 3:21 PM CDTSpecial Weather StatementMOBConecuh39 min
May 17, 3:22 PM CDTSpecial Weather StatementMOBMonroe53 min
May 17, 4:04 PM CDTSpecial Weather StatementMOBButler41 min
May 17, 4:42 PM CDTSpecial Weather StatementMOBCovington48 min
May 17, 5:14 PM CDTAreal Flood AdvisoryMOBChoctaw, Washington3 hr

Nearby

Tornado Warnings in Alabama, 2023Every tornado warning in 2023Tornadoes in 2023

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.