Alert archive / Maryland / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 91, NWS Philadelphia/Mount Holly

June 14, 2022Caroline County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2022, 9:52 AM EDT for Caroline County, Talbot County, Maryland. It was in force for 38 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
Jun 14, 2022, 9:52 AM EDT (13:52 UTC)
Expired
Jun 14, 2022, 10:30 AM EDT
In force
38 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Caroline County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 53 km from the middle of the area, began a volume at 13:52 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 1.9 hours before the alert went out and 98 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-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2022-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2225 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2022-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2225 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1047 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

976 
WUUS51 KPHI 141352
SVRPHI
MDC011-041-141430-
/O.NEW.KPHI.SV.W.0091.220614T1352Z-220614T1430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
952 AM EDT Tue Jun 14 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southeastern Talbot County in eastern Maryland...
  Southern Caroline County in eastern Maryland...

* Until 1030 AM EDT.

* At 951 AM EDT, a severe thunderstorm was located over Oxford, or 7
  miles northwest of Cambridge, moving east at 25 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...
  Easton, Federalsburg, Trappe, Preston, Oxford, Agner, Choptank,
  Tanyard, Harmony, Hambleton and Windyhill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

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

&&

LAT...LON 3859 7606 3860 7606 3863 7608 3864 7615
      3869 7619 3867 7620 3872 7624 3874 7622
      3881 7577 3869 7577 3868 7580 3871 7584
      3870 7590 3866 7596 3860 7599 3857 7603
TIME...MOT...LOC 1351Z 264DEG 23KT 3866 7614 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS
2 follow-up statements
847 
WWUS51 KPHI 141413
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1013 AM EDT Tue Jun 14 2022

MDC011-041-141430-
/O.CON.KPHI.SV.W.0091.000000T0000Z-220614T1430Z/
Talbot MD-Caroline MD-
1013 AM EDT Tue Jun 14 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT
FOR SOUTHEASTERN TALBOT AND SOUTHERN CAROLINE COUNTIES...

At 1013 AM EDT, a severe thunderstorm was located over Windyhill, or
near Hurlock, moving east at 30 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...
Easton, Federalsburg, Trappe, Preston, Agner, Choptank, Tanyard,
Hambleton, Windyhill and Harmony.

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 3859 7606 3874 7608 3880 7577 3869 7577
      3868 7580 3871 7584 3870 7590 3866 7596
      3860 7599 3857 7603
TIME...MOT...LOC 1413Z 260DEG 25KT 3864 7598 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS
804 
WWUS51 KPHI 141423
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1023 AM EDT Tue Jun 14 2022

MDC011-041-141432-
/O.EXP.KPHI.SV.W.0091.000000T0000Z-220614T1430Z/
Talbot MD-Caroline MD-
1023 AM EDT Tue Jun 14 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TALBOT AND
SOUTHERN CAROLINE COUNTIES WILL EXPIRE AT 1030 AM EDT...
        
The storm which prompted the warning has weakened below severe 
limits. Therefore, the warning will be allowed to expire.  However, 
small hail, gusty winds and heavy rain are still possible with this 
thunderstorm.

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 3859 7606 3874 7608 3880 7577 3869 7577
      3868 7580 3871 7584 3870 7590 3866 7596
      3860 7599 3857 7603
TIME...MOT...LOC 1422Z 264DEG 23KT 3865 7590 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 6:37 AM EDTSpecial Weather StatementPHIKent68 min
Jun 14, 7:19 AM EDTSpecial Weather StatementPHIKent26 min
Jun 14, 7:27 AM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's28 min
Jun 14, 9:01 AM EDTSpecial Weather StatementPHIQueen Anne's44 min
Jun 14, 9:19 AM EDTSpecial Weather StatementPHIQueen Anne's26 min
Jun 14, 9:30 AM EDTSpecial Weather StatementPHIKent, Talbot30 min
Jun 14, 10:03 AM EDTSpecial Weather StatementPHICaroline42 min
Jun 14, 10:30 AM EDTSevere Thunderstorm WarningPHICaroline45 min
Jun 14, 10:39 AM EDTAreal Flood AdvisoryPHICaroline, Kent, Queen Anne's, Talbot119 min
Jun 14, 10:50 AM EDTSpecial Weather StatementPHICaroline40 min
Jun 14, 11:27 AM EDTAreal Flood AdvisoryPHICaroline2 hr

Nearby

Severe Thunderstorm Warnings in Maryland, 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.