Alert archive / Maryland / Tornado Warnings in 2023

Tornado Warning 35, NWS Philadelphia/Mount Holly

September 13, 2023Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this tornado warning at Sep 13, 2023, 12:25 AM EDT for Queen Anne's County, Talbot County, Maryland. It was in force for 35 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
Sep 13, 2023, 12:25 AM EDT (04:25 UTC)
Expired
Sep 13, 2023, 1:00 AM EDT
In force
35 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Queen Anne's County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 62 km from the middle of the area, began a volume at 04:25 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 nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 4.4 hours before the alert went out and 109 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, Washington/Dulle, VA at 00:00Z on 2023-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 738 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, Washington/Dulle, VA at 00:00Z on 2023-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
738 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1352 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

555 
WFUS51 KPHI 130425
TORPHI
MDC035-041-130500-
/O.NEW.KPHI.TO.W.0035.230913T0425Z-230913T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
1225 AM EDT Wed Sep 13 2023

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Northeastern Talbot County in eastern Maryland...
  South central Queen Anne's County in northeastern Maryland...

* Until 100 AM EDT.
    
* At 1224 AM EDT, a severe thunderstorm capable of producing a
  tornado was located over Copperville, or 7 miles northwest of
  Easton, moving northeast at 20 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.

* Locations impacted include...
  Easton, Matthews, Skipton, Wye Mills, Copperville and Cordova. 

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3894 7621 3902 7607 3881 7591 3878 7594
      3874 7618 3878 7621 3879 7620 3881 7623
      3881 7621 3883 7619 3886 7621 3889 7620
TIME...MOT...LOC 0424Z 246DEG 16KT 3886 7615 

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

$$

MPS
2 follow-up statements
795 
WWUS51 KPHI 130442
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1242 AM EDT Wed Sep 13 2023

MDC035-041-130500-
/O.CON.KPHI.TO.W.0035.000000T0000Z-230913T0500Z/
Talbot MD-Queen Anne's MD-
1242 AM EDT Wed Sep 13 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM EDT FOR
NORTHEASTERN TALBOT AND SOUTH CENTRAL QUEEN ANNE'S COUNTIES...
    
At 1242 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Skipton, or near Easton, moving northeast at 15 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.

Locations impacted include...
Easton, Matthews, Skipton, Wye Mills and Cordova. 

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3875 7611 3891 7620 3900 7605 3881 7591
      3878 7594
TIME...MOT...LOC 0442Z 244DEG 11KT 3887 7608 

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

$$

MPS
817 
WWUS51 KPHI 130452
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1252 AM EDT Wed Sep 13 2023

MDC035-041-130502-
/O.EXP.KPHI.TO.W.0035.000000T0000Z-230913T0500Z/
Talbot MD-Queen Anne's MD-
1252 AM EDT Wed Sep 13 2023

...THE TORNADO WARNING FOR NORTHEASTERN TALBOT AND SOUTH CENTRAL
QUEEN ANNE'S COUNTIES WILL EXPIRE AT 100 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 3875 7611 3891 7620 3900 7605 3881 7591
      3878 7594
TIME...MOT...LOC 0452Z 270DEG 16KT 3888 7604 

$$

MPS

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 13, 12:01 AM EDTSpecial Weather StatementPHIQueen Anne's29 min
Sep 13, 12:08 AM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot52 min
Sep 13, 12:49 AM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's26 min
Sep 13, 1:06 AM EDTSpecial Weather StatementPHICaroline24 min
Sep 13, 1:45 AM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's45 min
Sep 13, 1:54 AM EDTSpecial Weather StatementPHICaroline36 min

Nearby

Tornado Warnings in Maryland, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.