Alert archive / Maryland / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 163, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 22, 2020, 5:13 PM EDT for Cecil County, Kent County, Queen Anne's County, Maryland. It was in force for 47 min. 6 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
- Jul 22, 2020, 5:13 PM EDT (21:13 UTC)
- Expired
- Jul 22, 2020, 6:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Cecil County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 75 km from the middle of the area, began a volume at 21:13 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 |
|---|---|---|---|
| Jul 22, 5:30 PM EDT | TSTM WND DMG | 2 N Rock Hall, MD | LARGE TREE REPORTED DOWN IN ROCK HALL. PHOTO VIA SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:32 PM EDT | TSTM WND DMG | 3 Wnw Langford, MD | DOWNED UTILITY ON STATE HIGHWAY 21 BETWEEN CAULKS FIELD ROAD AND BAY SHORE ROAD. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:36 PM EDT | TSTM WND GST 55 | 5 N Rock Hall, MD | |
| Jul 22, 5:37 PM EDT | TSTM WND DMG | 1 Ssw Old Town, MD | SEVERAL REPORTS OF DOWNED TREES AND POWER LINES IN THE AREA OF JOHNSTOWN ROAD AND QUAKER NECK ROAD IN CHESTERTOWN. UTILITY COMPANY REPORTED WIDESPREAD POWER OUTAGES IN THE AREA. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:39 PM EDT | TSTM WND DMG | Elkton, MD | MD-281 IN BOTH DIRECTIONS CLOSED NEAR MD-7 DUE TO A DOWNED UTILITY. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:43 PM EDT | TSTM WND DMG | 1 Ssw Chestertown, MD | MD-289 CLOSED NORTH OF JOHN HANSON RD DUE TO DOWNED TREES AND/OR WIRES. TIME ESTIMATED FROM RADAR. |
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 |
|---|---|---|---|
| Jul 22, 2:57 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.2 hours before the alert went out and 119 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
- 248 J/kg
- Mixed-layer CIN
- -214 J/kg
- Mixed-layer LCL
- 1163 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
126
WUUS51 KPHI 222113
SVRPHI
MDC015-029-035-222200-
/O.NEW.KPHI.SV.W.0163.200722T2113Z-200722T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
513 PM EDT Wed Jul 22 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Queen Anne's County in northeastern Maryland...
Kent County in northeastern Maryland...
Cecil County in northeastern Maryland...
* Until 600 PM EDT.
* At 512 PM EDT, severe thunderstorms were located along a line
extending from near Havre De Grace to near Bowleys Quarters to
Severna Park, moving east at 35 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...
Elkton, Chestertown, Centreville, North East, Rock Hall,
Charlestown, Church Hill, Cecilton, Betterton, Warwick, Old Town,
Grasonville, Bohemias Mills, Newtown, Brantwood, Morgnec, Crumpton,
Bay View, Sassafras and Stevensville.
This includes the following highways...
Interstate 95 in Delaware near mile marker 0.
Interstate 95 in Maryland between mile markers 91 and 109.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3904 7631 3898 7628 3900 7617 3903 7624
3917 7628 3932 7618 3943 7600 3952 7598
3955 7608 3964 7616 3967 7579 3961 7578
3964 7560 3960 7578 3939 7577 3890 7620
3897 7625 3892 7626 3894 7636
TIME...MOT...LOC 2112Z 272DEG 30KT 3958 7615 3934 7634 3907 7656
HAIL...0.88IN
WIND...60MPH
$$
MPS2 follow-up statements
183
WWUS51 KPHI 222145
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
545 PM EDT Wed Jul 22 2020
MDC015-029-035-222200-
/O.CON.KPHI.SV.W.0163.000000T0000Z-200722T2200Z/
Queen Anne's MD-Kent MD-Cecil MD-
545 PM EDT Wed Jul 22 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR CENTRAL QUEEN ANNE'S...KENT AND SOUTHEASTERN CECIL COUNTIES...
At 545 PM EDT, severe thunderstorms were located along a line
extending from near Glasgow to near Chestertown to Stevensville,
moving east at 60 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Elkton, Chestertown, Centreville, Church Hill, Cecilton, Warwick, Old
Town, Grasonville, Bohemias Mills, Brantwood, Morgnec, Crumpton,
Sassafras, Stevensville, Langford, Chester, Overton, Starkey Corner,
Cayots and Hollywood Beach.
This includes the following highways...
Interstate 95 in Delaware near mile marker 0.
Interstate 95 in Maryland between mile markers 108 and 109.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3910 7626 3924 7615 3967 7579 3961 7578
3964 7560 3960 7578 3939 7577 3890 7620
3897 7625 3892 7626 3894 7636 3904 7631
3898 7628 3900 7617 3903 7624
TIME...MOT...LOC 2145Z 265DEG 51KT 3964 7574 3925 7608 3898 7630
HAIL...0.88IN
WIND...60MPH
$$
MPS310
WWUS51 KPHI 222154
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
554 PM EDT Wed Jul 22 2020
MDC015-029-035-222204-
/O.EXP.KPHI.SV.W.0163.000000T0000Z-200722T2200Z/
Queen Anne's MD-Kent MD-Cecil MD-
554 PM EDT Wed Jul 22 2020
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL QUEEN ANNE'S...KENT
AND SOUTHEASTERN CECIL COUNTIES WILL EXPIRE AT 600 PM EDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northern Delaware...and northeastern Maryland.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3910 7626 3924 7615 3967 7579 3961 7578
3964 7560 3960 7578 3939 7577 3890 7620
3897 7625 3892 7626 3894 7636 3904 7631
3898 7628 3900 7617 3903 7624
TIME...MOT...LOC 2154Z 272DEG 30KT 3964 7566 3925 7601 3898 7623
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 9:16 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Jul 21, 9:25 PM EDT | Special Weather Statement | PHI | Talbot | 35 min |
| Jul 21, 9:39 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 51 min |
| Jul 21, 9:46 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 29 min |
| Jul 21, 10:14 PM EDT | Special Weather Statement | PHI | Caroline | 46 min |
| Jul 21, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 54 min |
| Jul 22, 4:01 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 22 min |
| Jul 22, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 52 min |
| Jul 22, 4:47 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 43 min |
| Jul 22, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 52 min |
| Jul 22, 5:54 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's | 51 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2020Every severe thunderstorm warning in 2020
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.