Alert archive / Maryland / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 245, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 28, 2023, 9:30 PM EDT for 4 counties in Maryland. It was in force for 45 min. 1 report 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 28, 2023, 9:30 PM EDT (01:30 UTC)
- Expired
- Jul 28, 2023, 10:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- 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), 71 km from the middle of the area, began a volume at 01:29 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 28, 9:36 PM EDT | TSTM WND DMG | Stevensville, MD | Corrects time on previous tstm wnd dmg report from Stevensville. Tree down in Stevensville per 911 call center. Time estimated from radar. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 1.5 hours before the alert went out and 100 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
- 48 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 1638 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
213
WUUS51 KPHI 290130
SVRPHI
MDC011-029-035-041-290215-
/O.NEW.KPHI.SV.W.0245.230729T0130Z-230729T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
930 PM EDT Fri Jul 28 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Talbot County in eastern Maryland...
Queen Anne's County in northeastern Maryland...
Central Caroline County in eastern Maryland...
Southwestern Kent County in northeastern Maryland...
* Until 1015 PM EDT.
* At 930 PM EDT, a severe thunderstorm was located near Stevensville,
or near Severn River, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Centerville, Chestertown, Centreville, Romancoke, Oakland, Ridgely,
Rock Hall, Church Hill, Queen Anne, Old Town, Grasonville, Starr,
Jumptown, Morgnec, Stevensville, Skipton, Langford, Chester,
Overton and Starkey Corner.
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 3917 7627 3927 7601 3893 7581
3885 7626 3889 7620 3896 7625 3891 7624
3892 7625 3894 7628 3890 7628 3891 7631
3896 7631 3886 7633 3884 7637 3884 7638
TIME...MOT...LOC 0130Z 252DEG 32KT 3896 7634
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB1 follow-up statement
066
WWUS51 KPHI 290210
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1010 PM EDT Fri Jul 28 2023
MDC011-029-035-041-290219-
/O.EXP.KPHI.SV.W.0245.000000T0000Z-230729T0215Z/
Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
1010 PM EDT Fri Jul 28 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TALBOT...QUEEN
ANNE'S...CENTRAL CAROLINE AND SOUTHWESTERN KENT COUNTIES WILL EXPIRE
AT 1015 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
Remember, a Severe Thunderstorm Warning still remains in effect for
Queen Anne's, Caroline, and Kent Counties until 10:45 PM EDT.
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3903 7624 3917 7627 3927 7601 3893 7581
3885 7626 3889 7620 3896 7625 3891 7624
3892 7625 3894 7628 3890 7628 3891 7631
3896 7631 3886 7633 3884 7637 3884 7638
TIME...MOT...LOC 0209Z 252DEG 32KT 3906 7593
$$
MLBThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 42 min |
| Jul 28, 10:07 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 38 min |
| Jul 28, 10:44 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 31 min |
| Jul 28, 11:00 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 60 min |
| Jul 28, 11:33 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 27 min |
| Jul 29, 12:12 AM EDT | Severe Thunderstorm Warning | PHI | Caroline | 36 min |
| Jul 29, 5:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 60 min |
| Jul 29, 5:02 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 73 min |
| Jul 29, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 46 min |
| Jul 29, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 75 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2023Every severe thunderstorm warning in 2023
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.