Alert archive / Maryland / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 60, NWS Philadelphia/Mount Holly

May 27, 20224 counties in Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 27, 2022, 1:10 PM EDT for 4 counties in Maryland. It was in force for 50 min. 2 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
May 27, 2022, 1:10 PM EDT (17:10 UTC)
Expired
May 27, 2022, 2:00 PM EDT
In force
50 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 17:09 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

TimeReportWhereRemark
May 27, 1:19 PM EDTMARINE TSTM WIND 465 Ese Bay Ridge, MD
May 27, 1:35 PM EDTTSTM WND DMGRock Hall, MDA FEW TREES DOWN IN THE ROCK HALL AND TOLCHESTER AREA. 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.

IssuedProductOfficeLasted
May 27, 12:57 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 5.2 hours before the alert went out and 102 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, Washington/Dulle, VA at 12:00Z on 2022-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 221 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, Washington/Dulle, VA at 12:00Z on 2022-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.19395878Sfc1 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
221 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
481 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

282 
WUUS51 KPHI 271710
SVRPHI
MDC011-029-035-041-271800-
/O.NEW.KPHI.SV.W.0060.220527T1710Z-220527T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
110 PM EDT Fri May 27 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Talbot County in eastern Maryland...
  Queen Anne's County in northeastern Maryland...
  Southwestern Caroline County in eastern Maryland...
  Western Kent County in northeastern Maryland...

* Until 200 PM EDT.

* At 110 PM EDT, severe thunderstorms were located along a line
  extending from near Deale to Lusby, moving northeast at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Easton, Centerville, Talbot, Chestertown, Centreville, Romancoke,
  Rock Hall, Trappe, St. Michaels, Church Hill, Preston, Oxford,
  Queen Anne, Old Town, Grasonville, Starr, Copperville, Jumptown,
  Choptank and Windyhill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3876 7635 3886 7626 3879 7620 3879 7619
      3897 7625 3884 7637 3895 7636 3902 7632
      3900 7617 3902 7621 3917 7628 3932 7618
      3911 7595 3871 7583 3858 7605 3876 7632
      3867 7634 3877 7638
TIME...MOT...LOC 1710Z 209DEG 42KT 3875 7647 3838 7643 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JEO
2 follow-up statements
993 
WWUS51 KPHI 271735
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
135 PM EDT Fri May 27 2022

MDC011-029-035-041-271800-
/O.CON.KPHI.SV.W.0060.000000T0000Z-220527T1800Z/
Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
135 PM EDT Fri May 27 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR TALBOT...CENTRAL QUEEN ANNE'S...SOUTHWESTERN CAROLINE AND WESTERN
KENT COUNTIES...

At 134 PM EDT, severe thunderstorms were located along a line
extending from Stevensville to 7 miles southwest of Oxford, moving
northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Easton, Centerville, Talbot, Chestertown, Centreville, Rock Hall,
Trappe, St. Michaels, Church Hill, Preston, Oxford, Queen Anne, Old
Town, Grasonville, Starr, Copperville, Jumptown, Choptank, Windyhill
and Tanyard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3897 7625 3900 7627 3901 7624 3900 7617
      3902 7621 3917 7628 3932 7618 3911 7595
      3871 7583 3858 7605 3876 7632 3877 7631
      3886 7626 3879 7620 3879 7619
TIME...MOT...LOC 1734Z 209DEG 42KT 3898 7631 3861 7627 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JEO
565 
WWUS51 KPHI 271754
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
154 PM EDT Fri May 27 2022

MDC011-029-035-041-271804-
/O.EXP.KPHI.SV.W.0060.000000T0000Z-220527T1800Z/
Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
154 PM EDT Fri May 27 2022

...THE SEVERE THUNDERSTORM WARNING FOR TALBOT...CENTRAL QUEEN
ANNE'S...SOUTHWESTERN CAROLINE AND WESTERN KENT COUNTIES WILL EXPIRE
AT 200 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
eastern 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 3897 7625 3900 7627 3901 7624 3900 7617
      3902 7621 3917 7628 3932 7618 3911 7595
      3871 7583 3858 7605 3876 7632 3877 7631
      3886 7626 3879 7620 3879 7619
TIME...MOT...LOC 1754Z 209DEG 42KT 3898 7631 3861 7627 

$$

JEO

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 1:43 PM EDTSevere Thunderstorm WarningPHICaroline47 min
May 27, 1:51 PM EDTSpecial Weather StatementPHICecil39 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.