Alert archive / Maryland / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 25, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 27, 2018, 4:15 PM EDT for Kent County, Queen Anne's County, Maryland. It was in force for 60 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, 2018, 4:15 PM EDT (20:15 UTC)
- Expired
- May 27, 2018, 5:15 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 73 km from the middle of the area, began a volume at 20:17 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 12:00Z, 8.3 hours before the alert went out and 99 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
- 51 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted.
883
WUUS51 KPHI 272015
SVRPHI
MDC029-035-272115-
/O.NEW.KPHI.SV.W.0025.180527T2015Z-180527T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
415 PM EDT SUN MAY 27 2018
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Queen Anne's County in northeastern Maryland...
Southwestern Kent County in northeastern Maryland...
* Until 515 PM EDT.
* At 415 PM EDT, a severe thunderstorm was located near Dundalk on
the west side of the bay, moving southeast at 15 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...
Centerville, Centreville, Rock Hall, Old Town, Grasonville,
Stevensville, Langford, Chester, Overton, Starkey Corner, Carville,
Hope, Queenstown, Stevensville South and Dominion.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3909 7623 3915 7628 3924 7623
3907 7592 3885 7620 3896 7625 3891 7624
3893 7625 3894 7627 3893 7630 3889 7629
3891 7630 3896 7631 3884 7637 3885 7637
TIME...MOT...LOC 2015Z 312DEG 14KT 3919 7638
HAIL...1.00IN
WIND...60MPH
$$
Iovino1 follow-up statement
616
WWUS51 KPHI 272041
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
441 PM EDT SUN MAY 27 2018
MDC029-035-272115-
/O.CON.KPHI.SV.W.0025.000000T0000Z-180527T2115Z/
Queen Anne's MD-Kent MD-
441 PM EDT SUN MAY 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR CENTRAL QUEEN ANNE'S AND SOUTHWESTERN KENT COUNTIES...
At 440 PM EDT, a severe thunderstorm was located over Chesapeake Bay
off Rock Hall, moving southeast at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Centerville, Centreville, Rock Hall, Old Town, Grasonville,
Stevensville, Langford, Chester, Overton, Starkey Corner, Carville,
Hope, Queenstown, Stevensville South and Dominion.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3909 7623 3915 7628 3924 7623
3907 7592 3885 7620 3896 7625 3891 7624
3893 7625 3894 7627 3893 7630 3889 7629
3891 7630 3896 7631 3884 7637 3885 7637
TIME...MOT...LOC 2040Z 312DEG 14KT 3912 7628
HAIL...1.00IN
WIND...60MPH
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 11:38 PM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 23 hr |
| May 27, 4:52 PM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's | 4 hr |
| May 27, 5:14 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 61 min |
| May 27, 6:18 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 3 hr |
| May 27, 7:46 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 4 hr |
Nearby
Severe Thunderstorm Warnings in Maryland, 2018Every severe thunderstorm warning in 2018
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.