Alert archive / Delaware / Tornado Warnings in 2024

Tornado Warning 4, NWS Philadelphia/Mount Holly

June 5, 2024New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this tornado warning at Jun 5, 2024, 10:57 PM EDT for New Castle County, Delaware. It was in force for 33 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
Jun 5, 2024, 10:57 PM EDT (02:57 UTC)
Expired
Jun 5, 2024, 11:30 PM EDT
In force
33 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County New Castle County, DE

The radar

The Dover AFB radar (KDOX), 82 km from the middle of the area, began a volume at 03:00 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, 3.0 hours before the alert went out and 166 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 2024-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1406 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 2024-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 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
1406 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
360 m²/s²
Significant tornado parameter
2.1
Supercell composite
28.1

Open this sounding in Storm Lab

The text

As transmitted.

785 
WFUS51 KPHI 060257
TORPHI
DEC003-060330-
/O.NEW.KPHI.TO.W.0004.240606T0257Z-240606T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
1057 PM EDT Wed Jun 5 2024

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  West central New Castle County in northern Delaware...

* Until 1130 PM EDT.

* At 1057 PM EDT, a severe thunderstorm capable of producing a
  tornado was located over Bohemias Mills, or near Middletown, moving
  east 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...
  Middletown, Delaware City, Saint Georges, Port Penn, Mount
  Pleasant, and Odessa.

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 3962 7556 3960 7555 3945 7556 3946 7578
      3952 7578
TIME...MOT...LOC 0257Z 254DEG 19KT 3948 7578 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

RCM
1 follow-up statement
733 
WWUS51 KPHI 060315
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1115 PM EDT Wed Jun 5 2024

DEC003-060330-
/O.CON.KPHI.TO.W.0004.000000T0000Z-240606T0330Z/
New Castle DE-
1115 PM EDT Wed Jun 5 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT FOR WEST
CENTRAL NEW CASTLE COUNTY...

At 1115 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Mount Pleasant, or near Middletown, moving east 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...
Middletown, Delaware City, Saint Georges, Port Penn, Mount Pleasant,
and Odessa.

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 3955 7572 3962 7556 3960 7555 3945 7556
      3946 7573
TIME...MOT...LOC 0315Z 254DEG 19KT 3951 7566 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

RCM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 8:36 PM EDTTornado WarningPHINew Castle24 min
Jun 5, 11:27 PM EDTTornado WarningPHINew Castle33 min
Jun 6, 12:18 AM EDTFlash Flood WarningPHINew Castle3 hr
Jun 6, 12:42 AM EDTRiver Flood WarningPHINew Castle3 hr
Jun 6, 4:27 AM EDTRiver Flood WarningPHINew Castle3 hr

Nearby

Tornado Warnings in Delaware, 2024Every tornado warning in 2024Tornadoes in 2024

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.