Alert archive / Maryland / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 150, NWS Philadelphia/Mount Holly

August 4, 2022Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 4, 2022, 8:06 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Sussex County, Delaware. It was in force for 39 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: Aug 4, 2022, 8:06 PM EDT (00:06 UTC)
Expired: Aug 4, 2022, 8:45 PM EDT
In force: 39 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 39 km from the middle of the area, began a volume at 00:08 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
Aug 4, 8:06 PM EDT	TSTM WND DMG	1 Ese Queen Anne, MD	NUMEROUS TREES AND WIRES DOWN AROUND HILLSBORO, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:06 PM EDT	TSTM WND DMG	1 Nnw Greensboro, MD	TREE DOWN INTO BARN AROUND GREENSBORO, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:06 PM EDT	TSTM WND DMG	Greensboro, MD	911 CALL CENTER REPORTED TREE DOWN INTO A HOUSE. TIME ESTIMATED VIA RADAR.
Aug 4, 8:08 PM EDT	TSTM WND DMG	Ridgely, MD	NUMEROUS TREES AND WIRES DOWN AROUND RIDGELY, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:11 PM EDT	TSTM WND DMG	Denton, MD	REPORTS OF NUMEROUS DOWNED WIRES AROUND DENTON, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:25 PM EDT	TSTM WND DMG	Federalsburg, MD	NUMEROUS TREES AND WIRES DOWN IN FEDERALSBURG, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:25 PM EDT	TSTM WND DMG	Greenwood, DE	REPORTS OF TREES AND WIRES DOWN IN GREENWOOD, DE. TIME ESTIMATED VIA RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.1 hours before the alert went out and 96 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2653 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1015 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

121 
WUUS51 KPHI 050006
SVRPHI
DEC001-005-MDC011-035-041-050045-
/O.NEW.KPHI.SV.W.0150.220805T0006Z-220805T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
806 PM EDT Thu Aug 4 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Sussex County in southern Delaware...
  Kent County in central Delaware...
  Eastern Talbot County in eastern Maryland...
  Southeastern Queen Anne's County in northeastern Maryland...
  Caroline County in eastern Maryland...

* Until 845 PM EDT.

* At 805 PM EDT, severe thunderstorms were located along a line
  extending from near Goldsboro to Ridgely to near University Of
  Maryland Center For Environmental Studies, moving east at 30 mph.

  HAZARD...70 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Dover, Easton, Milford, Denton, Harrington, Camden, Federalsburg,
  Bridgeville, Greensboro, Oakland, Ridgely, Trappe, Preston, Bowers,
  Goldsboro, Queen Anne, Woodside, Viola, Smithville and
  Hazlettville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 3859 7606 3860 7606 3863 7608 3864 7615
      3867 7617 3916 7582 3917 7524 3892 7539
      3858 7570 3865 7571 3869 7577 3868 7580
      3870 7580 3871 7584 3868 7593 3860 7599
      3857 7603
TIME...MOT...LOC 0005Z 270DEG 26KT 3910 7578 3893 7589 3857 7617 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MPS

2 follow-up statements

626 
WWUS51 KPHI 050027
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
827 PM EDT Thu Aug 4 2022

MDC035-050036-
/O.CAN.KPHI.SV.W.0150.000000T0000Z-220805T0045Z/
Queen Anne's MD-
827 PM EDT Thu Aug 4 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN QUEEN ANNE'S
COUNTY IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3859 7606 3862 7607 3893 7573 3917 7562
      3917 7524 3892 7539 3858 7570 3865 7571
      3871 7583 3868 7593 3860 7599 3857 7603
TIME...MOT...LOC 0026Z 278DEG 34KT 3913 7555 3892 7565 3856 7606 

$$

DEC001-005-MDC011-041-050045-
/O.CON.KPHI.SV.W.0150.000000T0000Z-220805T0045Z/
Sussex DE-Kent DE-Talbot MD-Caroline MD-
827 PM EDT Thu Aug 4 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHWESTERN SUSSEX...SOUTHERN KENT...SOUTHEASTERN TALBOT AND
SOUTHERN CAROLINE COUNTIES...

At 826 PM EDT, severe thunderstorms were located along a line
extending from Camden to near Andrewsville to Cambridge, moving east
at 40 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Dover, Milford, Harrington, Camden, Federalsburg, Bridgeville,
Preston, Bowers, Woodside, Viola, Smithville, Rising Sun-Lebanon,
Hazlettville, Agner, Choptank, Dover Base Housing, Windyhill,
Andrewsville, Harmony and Rising Sun.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3859 7606 3862 7607 3893 7573 3917 7562
      3917 7524 3892 7539 3858 7570 3865 7571
      3871 7583 3868 7593 3860 7599 3857 7603
TIME...MOT...LOC 0026Z 278DEG 34KT 3913 7555 3892 7565 3856 7606 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MPS

343 
WWUS51 KPHI 050040
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
840 PM EDT Thu Aug 4 2022

DEC001-005-MDC011-041-050048-
/O.EXP.KPHI.SV.W.0150.000000T0000Z-220805T0045Z/
Sussex DE-Kent DE-Talbot MD-Caroline MD-
840 PM EDT Thu Aug 4 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SUSSEX...SOUTHERN
KENT...SOUTHEASTERN TALBOT AND SOUTHERN CAROLINE COUNTIES WILL EXPIRE
AT 845 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.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

Remember, a new Severe Thunderstorm Warning is in effect for 
portions of Sussex and Kent counties, Delaware, and Caroline county, 
Maryland until 915 pm.

LAT...LON 3859 7606 3862 7607 3893 7573 3917 7562
      3917 7524 3892 7539 3858 7570 3865 7571
      3871 7583 3868 7593 3860 7599 3857 7603
TIME...MOT...LOC 0038Z 270DEG 26KT 3913 7545 3892 7555 3856 7596 

$$

MPS

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 4, 8:37 PM EDT	Severe Thunderstorm Warning	PHI	Caroline	38 min
Aug 4, 9:42 PM EDT	Special Weather Statement	PHI	Caroline	33 min
Aug 4, 11:26 PM EDT	Special Weather Statement	PHI	Caroline	34 min
Aug 5, 4:47 PM EDT	Special Weather Statement	PHI	Caroline	28 min
Aug 5, 4:58 PM EDT	Areal Flood Advisory	PHI	Caroline	2 hr
Aug 5, 5:06 PM EDT	Special Weather Statement	PHI	Caroline	39 min
Aug 5, 5:37 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	38 min
Aug 5, 6:12 PM EDT	Special Weather Statement	PHI	Talbot	33 min
Aug 5, 6:47 PM EDT	Special Weather Statement	PHI	Queen Anne's	28 min
Aug 5, 7:15 PM EDT	Special Weather Statement	PHI	Talbot	45 min
Aug 5, 7:24 PM EDT	Flash Flood Warning	PHI	Caroline, Queen Anne's, Talbot	55 min
Aug 4, 9:04 PM EDT	Special Weather Statement	PHI	Sussex	26 min
Aug 5, 2:06 PM EDT	Special Weather Statement	PHI	Sussex	24 min
Aug 5, 2:14 PM EDT	Special Weather Statement	PHI	Sussex	31 min
Aug 5, 2:50 PM EDT	Special Weather Statement	PHI	Sussex	25 min
Aug 5, 3:15 PM EDT	Areal Flood Advisory	PHI	Sussex	114 min
Aug 5, 3:17 PM EDT	Special Weather Statement	PHI	Sussex	28 min
Aug 5, 3:21 PM EDT	Special Weather Statement	PHI	Sussex	24 min
Aug 5, 3:43 PM EDT	Special Weather Statement	PHI	Sussex	32 min
Aug 5, 3:52 PM EDT	Special Weather Statement	PHI	Kent	23 min
Aug 5, 4:12 PM EDT	Special Weather Statement	PHI	Sussex	48 min
Aug 5, 4:23 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	22 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2022 Severe Thunderstorm Warnings in Delaware, 2022 Every 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.