Alert archive / Delaware / Tornado Warnings in 2024

Tornado Warning 2, NWS Philadelphia/Mount Holly

June 5, 2024New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this tornado warning at Jun 5, 2024, 8:36 PM EDT for New Castle County, Delaware. It was in force for 24 min. 1 report 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
Jun 5, 2024, 8:36 PM EDT (00:36 UTC)
Expired
Jun 5, 2024, 9:00 PM EDT
In force
24 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), 65 km from the middle of the area, began a volume at 00:39 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
Jun 5, 8:59 PM EDTTSTM WND DMG2 Nnw Chambersville, DESmall trees down at Walker School Road and Fleming Landing Road/DE 9.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.6 hours before the alert went out and 164 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, Wallops Is Stn, VA at 00:00Z on 2024-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 530 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, Wallops Is Stn, VA at 00:00Z on 2024-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 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
530 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

428 
WFUS51 KPHI 060036
TORPHI
DEC003-060100-
/O.NEW.KPHI.TO.W.0002.240606T0036Z-240606T0100Z/

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

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Southwestern New Castle County in northern Delaware...

* Until 900 PM EDT.

* At 835 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Delaney Corner, or 8 miles south of Middletown,
  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...
  Woodland Beach, Green Spring, Townsend, and Chambersville.

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 3953 7553 3950 7553 3951 7549 3949 7553
      3950 7554 3946 7554 3944 7545 3942 7546
      3930 7537 3930 7544 3933 7546 3933 7550
      3935 7549 3936 7551 3935 7555 3931 7558
      3931 7575 3934 7576
TIME...MOT...LOC 0035Z 246DEG 18KT 3933 7573 

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

$$

RCM
2 follow-up statements
934 
WWUS51 KPHI 060052
SVSPHI

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

DEC003-060100-
/O.CON.KPHI.TO.W.0002.000000T0000Z-240606T0100Z/
New Castle DE-
852 PM EDT Wed Jun 5 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR SOUTH
CENTRAL NEW CASTLE COUNTY...

At 852 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Green Spring, or near Middletown, 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...
Chambersville.

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 3953 7553 3950 7553 3950 7550 3949 7553
      3950 7554 3946 7554 3943 7546 3934 7540
      3934 7547 3936 7551 3934 7557 3934 7567
      3938 7569
TIME...MOT...LOC 0052Z 244DEG 18KT 3938 7564 

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

$$

RCM
954 
WWUS51 KPHI 060058
SVSPHI

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

DEC003-060108-
/O.EXP.KPHI.TO.W.0002.000000T0000Z-240606T0100Z/
New Castle DE-
858 PM EDT Wed Jun 5 2024

...THE TORNADO WARNING FOR SOUTH CENTRAL NEW CASTLE COUNTY WILL
EXPIRE AT 900 PM 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.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3953 7553 3950 7553 3950 7550 3949 7553
      3950 7554 3946 7554 3943 7546 3934 7540
      3934 7547 3936 7551 3934 7557 3934 7567
      3938 7569
TIME...MOT...LOC 0058Z 246DEG 18KT 3939 7561 

$$

RCM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 10:57 PM EDTTornado WarningPHINew Castle33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.