Alert archive / Delaware / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 63, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 27, 2022, 2:25 PM EDT for Sussex County, Delaware. 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
- May 27, 2022, 2:25 PM EDT (18:25 UTC)
- Expired
- May 27, 2022, 3:00 PM EDT
- In force
- 35 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 10 km from the middle of the area, began a volume at 18:27 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 27, 12:57 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.4 hours before the alert went out and 90 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
- 39 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
331
WUUS51 KPHI 271825
SVRPHI
DEC005-271900-
/O.NEW.KPHI.SV.W.0063.220527T1825Z-220527T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
225 PM EDT Fri May 27 2022
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Sussex County in southern Delaware...
* Until 300 PM EDT.
* At 224 PM EDT, a severe thunderstorm was located near Georgetown,
moving northeast at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Georgetown, Milton and Ellendale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3864 7542 3869 7552 3890 7537 3884 7520
TIME...MOT...LOC 1824Z 215DEG 31KT 3871 7544
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JEO2 follow-up statements
322
WWUS51 KPHI 271837
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
237 PM EDT Fri May 27 2022
DEC005-271900-
/O.CON.KPHI.SV.W.0063.000000T0000Z-220527T1900Z/
Sussex DE-
237 PM EDT Fri May 27 2022
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR NORTH CENTRAL SUSSEX COUNTY...
At 237 PM EDT, a severe thunderstorm was located over Milton, or 8
miles north of Georgetown, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Georgetown, Milton and Ellendale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3875 7540 3881 7544 3890 7537 3884 7520
3867 7539
TIME...MOT...LOC 1837Z 215DEG 31KT 3880 7536
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JEO895
WWUS51 KPHI 271853
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
253 PM EDT Fri May 27 2022
DEC005-271903-
/O.EXP.KPHI.SV.W.0063.000000T0000Z-220527T1900Z/
Sussex DE-
253 PM EDT Fri May 27 2022
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SUSSEX COUNTY
WILL EXPIRE AT 300 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
southern Delaware.
LAT...LON 3875 7540 3881 7544 3890 7537 3884 7520
3867 7539
TIME...MOT...LOC 1853Z 215DEG 31KT 3877 7521
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 8:48 PM EDT | Rip Current Statement | PHI | Sussex | 25 hr |
| May 27, 12:43 AM EDT | Dense Fog Advisory | PHI | Sussex | 12 hr |
| May 27, 3:23 AM EDT | Flood Watch | PHI | New Castle | 21 hr |
| May 27, 1:43 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| May 27, 2:00 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| May 27, 2:19 PM EDT | Tornado Warning | PHI | Kent | 13 min |
| May 27, 2:45 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 30 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2022Every severe thunderstorm warning in 2022
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.