Alert archive / Maryland / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 64, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 23, 2015, 7:06 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 84 min. 3 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
- Jun 23, 2015, 7:06 PM EDT (23:06 UTC)
- Expired
- Jun 23, 2015, 8:30 PM EDT
- In force
- 84 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 65 km from the middle of the area, began a volume at 23:09 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 23, 7:10 PM EDT | MARINE TSTM WIND 44 | 5 Ese Bay Ridge, MD | KENT ISLAND |
| Jun 23, 8:00 PM EDT | TSTM WND GST 67 | Royal Oak, MD | |
| Jun 23, 8:10 PM EDT | MARINE TSTM WIND 45 | La Trappe Heights, MD |
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 |
|---|---|---|---|
| Jun 23, 4:09 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.1 hours before the alert went out and 106 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
- 387 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 1544 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
713
WUUS51 KPHI 232306
SVRPHI
MDC011-035-041-240030-
/O.NEW.KPHI.SV.W.0064.150623T2306Z-150624T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
706 PM EDT TUE JUN 23 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
CAROLINE COUNTY IN EASTERN MARYLAND...
TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL 830 PM EDT
* AT 704 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS OF 60 TO 70 MPH.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
SUDLERSVILLE TO NEAR OVERTON TO LONDONTOWNE...AND MOVING SOUTHEAST
AT 60 MPH.
* BALTIMORE TERMINAL DOPPLER IS SHOWING 70 MPH WINDS APPROACHING
KENT ISLAND.
* LOCATIONS IMPACTED INCLUDE...
EASTON...TALBOT...DENTON...FEDERALSBURG...RIDGELY...TRAPPE...ST.
MICHAELS...PRESTON...QUEEN ANNE...CHOPTANK...HARMONY...AGNER...
WINDYHILL...CORDOVA...COPPERVILLE...TANYARD...SKIPTON...WYE
MILLS...SMITHVILLE AND GRIFFIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE. THIS IS A VERY
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.
&&
LAT...LON 3890 7629 3879 7620 3883 7619 3894 7621
3895 7632 3884 7637 3885 7637 3896 7636
3895 7576 3864 7571 3870 7590 3857 7604
3876 7622 3872 7630 3876 7630 3876 7638
TIME...MOT...LOC 2304Z 295DEG 51KT 3921 7579 3903 7617 3891 7656
$$2 follow-up statements
848
WWUS51 KPHI 232350
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
750 PM EDT TUE JUN 23 2015
MDC011-035-041-240030-
/O.CON.KPHI.SV.W.0064.000000T0000Z-150624T0030Z/
QUEEN ANNE'S MD-CAROLINE MD-TALBOT MD-
750 PM EDT TUE JUN 23 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTH CENTRAL QUEEN ANNE'S...CAROLINE AND TALBOT COUNTIES...
AT 750 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
SANDTOWN TO NEAR EASTON TO NEAR PLUM POINT...MOVING SOUTHEAST AT 50
MPH.
LOCATIONS IMPACTED INCLUDE...
EASTON...TALBOT...DENTON...FEDERALSBURG...RIDGELY...TRAPPE...ST.
MICHAELS...PRESTON...QUEEN ANNE...CHOPTANK...COPPERVILLE...HARMONY...
TANYARD...SKIPTON...WYE MILLS...SMITHVILLE...AGNER...WINDYHILL...
GRIFFIN AND MATTHEWS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE. THIS IS A VERY
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.
&&
LAT...LON 3890 7629 3879 7620 3883 7619 3894 7621
3895 7576 3864 7571 3870 7590 3857 7604
3876 7622 3872 7630 3876 7630 3876 7638
TIME...MOT...LOC 2350Z 298DEG 41KT 3897 7566 3879 7604 3867 7643
$$882
WWUS51 KPHI 240023
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
823 PM EDT TUE JUN 23 2015
MDC011-035-041-240033-
/O.EXP.KPHI.SV.W.0064.000000T0000Z-150624T0030Z/
QUEEN ANNE'S MD-CAROLINE MD-TALBOT MD-
823 PM EDT TUE JUN 23 2015
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL QUEEN ANNE'S...
CAROLINE AND TALBOT COUNTIES WILL EXPIRE AT 830 PM EDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED SOUTH
OF THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.
LAT...LON 3890 7629 3879 7620 3883 7619 3894 7621
3895 7576 3864 7571 3870 7590 3857 7604
3876 7622 3872 7630 3876 7630 3876 7638
TIME...MOT...LOC 0021Z 295DEG 51KT 3897 7566 3879 7604 3867 7643
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 5:19 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Jun 23, 5:28 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 47 min |
| Jun 23, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 52 min |
| Jun 23, 5:44 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Jun 23, 6:44 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 76 min |
| Jun 23, 6:48 PM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 4 hr |
| Jun 23, 7:41 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 65 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2015Every severe thunderstorm warning in 2015
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.