Alert archive / Delaware / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 64, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 27, 2022, 2:45 PM EDT for Sussex County, Delaware. It was in force for 30 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
- May 27, 2022, 2:45 PM EDT (18:45 UTC)
- Expired
- May 27, 2022, 3:15 PM EDT
- In force
- 30 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 26 km from the middle of the area, began a volume at 18:45 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 |
|---|---|---|---|
| May 27, 2:54 PM EDT | MARINE TSTM WIND 44 | 1 Ene Lewes, 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 |
|---|---|---|---|
| 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, 6.8 hours before the alert went out and 89 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.
138
WUUS51 KPHI 271845
SVRPHI
DEC005-271915-
/O.NEW.KPHI.SV.W.0064.220527T1845Z-220527T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
245 PM EDT Fri May 27 2022
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
East central Sussex County in southern Delaware...
* Until 315 PM EDT.
* At 244 PM EDT, a severe thunderstorm was located over Lewes, or 12
miles northeast of Georgetown, moving northeast at 50 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...
Lewes, Milton, Henlopen Acres, Cape Henlopen State Park, Long Neck
and Dewey Beach.
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 3861 7523 3881 7533 3883 7522 3880 7501
3861 7505
TIME...MOT...LOC 1844Z 238DEG 59KT 3878 7519
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JEO2 follow-up statements
024
WWUS51 KPHI 271858
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
258 PM EDT Fri May 27 2022
DEC005-271915-
/O.CON.KPHI.SV.W.0064.000000T0000Z-220527T1915Z/
Sussex DE-
258 PM EDT Fri May 27 2022
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR EAST CENTRAL SUSSEX COUNTY...
At 258 PM EDT, a severe thunderstorm was located over West Cape May,
or near Cape May, moving northeast at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Lewes, Henlopen Acres, Cape Henlopen State Park, Long Neck and Dewey
Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3861 7523 3882 7526 3883 7522 3880 7501
3861 7505
TIME...MOT...LOC 1858Z 238DEG 59KT 3890 7494
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JEO315
WWUS51 KPHI 271909
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
309 PM EDT Fri May 27 2022
DEC005-271918-
/O.EXP.KPHI.SV.W.0064.000000T0000Z-220527T1915Z/
Sussex DE-
309 PM EDT Fri May 27 2022
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SUSSEX COUNTY
WILL EXPIRE AT 315 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
southern Delaware.
LAT...LON 3861 7523 3882 7526 3883 7522 3880 7501
3861 7505
TIME...MOT...LOC 1908Z 238DEG 59KT 3911 7492
$$
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, 2:25 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.