Alert archive / Delaware / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 1, 2023, 5:38 PM EDT for Kent County, Sussex County, Delaware; Caroline County, Talbot County, Maryland. It was in force for 37 min. 7 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
- Apr 1, 2023, 5:38 PM EDT (21:38 UTC)
- Expired
- Apr 1, 2023, 6:15 PM EDT
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 28 km from the middle of the area, began a volume at 21:39 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 1, 5:59 PM EDT | TORNADO | 2 Wnw Bridgeville, DE | *** 1 FATAL *** CORRECTS PREVIOUS TORNADO REPORT FROM 2 WNW BRIDGEVILLE. THE BRIDGEVILLE-ELLENDALE TORNADO BEGAN AROUND 5:59 PM EDT NEAR THE INTERSECTION OF POLK ROAD AND DUBLIN HILL ROAD WHERE A SECTION OF A SMALL BARN ROOF WAS BLOWN OFF. THE TORNADO CONTINUE |
| Apr 1, 5:59 PM EDT | TORNADO | 2 Wnw Bridgeville, DE | THE BRIDGEVILLE-ELLENDALE TORNADO BEGAN AROUND 5:59 PM EDT NEAR THE INTERSECTION OF POLK ROAD AND DUBLIN HILL ROAD WHERE A SECTION OF A SMALL BARN ROOF WAS BLOWN OFF. THE TORNADO CONTINUED EAST-NORTHEAST CROSSING SEASHORE HIGHWAY. ALONG THIS SECTION OF THE DAM |
| Apr 1, 6:01 PM EDT | TORNADO | 2 Wnw Bridgeville, DE | REPORTS OF TREES AND WIRES DOWNED NEAR SEASHORE HIGHWAY ROUTE 404 AND DUBLIN HILL ROAD. LIKELY TORNADO. TIME ESTIMATED VIA RADAR. |
| Apr 1, 6:02 PM EDT | TSTM WND DMG | 1 N Bridgeville, DE | REPORT OF TRAIN FLIPPED OVER. TORNADO LIKELY. TIME ESTIMATED VIA RADAR. |
| Apr 1, 6:03 PM EDT | FUNNEL CLOUD | Greenwood, DE | TRAINED SPOTTER REPORTS FUNNEL CLOUD AT 6:03 PM IN GREENWOOD, DE. |
| Apr 1, 6:06 PM EDT | TORNADO | 4 Se Greenwood, DE | SUSSEX EM REPORTS A CONFINED SPACE RESCUE IN THE VICINITY OF TUCKER ROAD. LIKELY TORNADO. TIME ESTIMATED VIA RADAR. |
| Apr 1, 6:08 PM EDT | FUNNEL CLOUD | 4 S Houston, DE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 1, 5:30 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.6 hours before the alert went out and 102 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 706 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 434 m²/s²
- 0-3 km storm-relative helicity
- 376 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
894
WUUS51 KPHI 012138
SVRPHI
DEC001-005-MDC011-041-012215-
/O.NEW.KPHI.SV.W.0007.230401T2138Z-230401T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
538 PM EDT Sat Apr 1 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Sussex County in southern Delaware...
Southwestern Kent County in central Delaware...
East central Talbot County in eastern Maryland...
Southern Caroline County in eastern Maryland...
* Until 615 PM EDT.
* At 538 PM EDT, a severe thunderstorm was located over Harmony, or
11 miles east of Easton, moving east at 50 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Denton, Harrington, Preston, Agner, Matthews, Harmony, Smithville,
Andrewsville, Greenwood and Farmington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware...and eastern Maryland.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware...and eastern Maryland.
&&
LAT...LON 3870 7591 3884 7597 3898 7556 3878 7543
TIME...MOT...LOC 2138Z 254DEG 43KT 3881 7586
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB2 follow-up statements
200
WWUS51 KPHI 012151
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
551 PM EDT Sat Apr 1 2023
MDC041-012201-
/O.CAN.KPHI.SV.W.0007.000000T0000Z-230401T2215Z/
Talbot MD-
551 PM EDT Sat Apr 1 2023
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TALBOT COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware...and eastern Maryland.
LAT...LON 3873 7573 3890 7578 3896 7555 3878 7543
TIME...MOT...LOC 2151Z 256DEG 43KT 3884 7566
$$
DEC001-005-MDC011-012215-
/O.CON.KPHI.SV.W.0007.000000T0000Z-230401T2215Z/
Sussex DE-Kent DE-Caroline MD-
551 PM EDT Sat Apr 1 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHWESTERN SUSSEX...SOUTHWESTERN KENT AND EAST CENTRAL CAROLINE
COUNTIES...
At 551 PM EDT, a severe thunderstorm was located over Andrewsville,
or 17 miles northwest of Georgetown, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Harrington, Smithville, Andrewsville, Greenwood and Farmington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware...and eastern Maryland.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3873 7573 3890 7578 3896 7555 3878 7543
TIME...MOT...LOC 2151Z 256DEG 43KT 3884 7566
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB140
WWUS51 KPHI 012205
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
605 PM EDT Sat Apr 1 2023
MDC011-012215-
/O.CAN.KPHI.SV.W.0007.000000T0000Z-230401T2215Z/
Caroline MD-
605 PM EDT Sat Apr 1 2023
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CAROLINE COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware.
LAT...LON 3875 7561 3886 7564 3896 7555 3878 7543
TIME...MOT...LOC 2205Z 254DEG 43KT 3889 7545
$$
DEC001-005-012215-
/O.CON.KPHI.SV.W.0007.000000T0000Z-230401T2215Z/
Sussex DE-Kent DE-
605 PM EDT Sat Apr 1 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHWESTERN SUSSEX AND SOUTH CENTRAL KENT COUNTIES...
At 605 PM EDT, a severe thunderstorm was located over Milford, or 14
miles north of Georgetown, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Harrington, Andrewsville, Greenwood and Farmington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3875 7561 3886 7564 3896 7555 3878 7543
TIME...MOT...LOC 2205Z 254DEG 43KT 3889 7545
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLBThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 6:01 PM EDT | Tornado Warning | PHI | Kent, Sussex | 29 min |
| Apr 1, 6:22 PM EDT | Tornado Warning | PHI | Sussex | 23 min |
| Apr 1, 6:33 PM EDT | Tornado Warning | PHI | New Castle | 27 min |
| Apr 1, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 51 min |
| Apr 1, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 47 min |
| Apr 1, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 40 min |
| Apr 1, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 39 min |
| Apr 1, 7:50 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 40 min |
| Apr 1, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 32 min |
| Apr 1, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 26 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2023Severe Thunderstorm Warnings in Maryland, 2023Every severe thunderstorm warning 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.