Alert archive / Maryland / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 92, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 13, 2010, 9:41 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 64 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
- Jul 13, 2010, 9:41 PM EDT (01:41 UTC)
- Expired
- Jul 13, 2010, 10:45 PM EDT
- In force
- 64 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.7 hours before the alert went out and 105 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
- 1049 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 829 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
972
WUUS51 KPHI 140141
SVRPHI
MDC011-035-041-140245-
/O.NEW.KPHI.SV.W.0092.100714T0141Z-100714T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
941 PM EDT TUE JUL 13 2010
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN CAROLINE COUNTY IN EASTERN MARYLAND...
SOUTHERN TALBOT COUNTY IN EASTERN MARYLAND...
THIS INCLUDES THE CITY OF EASTON...
EXTREME SOUTH CENTRAL QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
* UNTIL 1045 PM EDT
* AT 942 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 9 MILES SOUTH OF OXFORD...OR 16
MILES SOUTHWEST OF EASTON...AND MOVING NORTHEAST AT 25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
OXFORD AROUND 1000 PM EDT...
TRAPPE AROUND 1005 PM EDT...
HAMBLETON AROUND 1010 PM EDT...
WINDYHILL AND EASTON AROUND 1015 PM EDT...
TANYARD AND CHOPTANK AROUND 1020 PM EDT...
PRESTON AROUND 1025 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO SMALL HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES GREATEST KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3861 7609 3867 7622 3873 7625 3870 7627
3871 7631 3868 7632 3866 7635 3867 7636
3871 7635 3874 7624 3876 7623 3892 7584
3865 7572 3869 7583 3869 7590 3867 7595
3860 7598 3856 7605
TIME...MOT...LOC 0140Z 227DEG 23KT 3856 7622
$$
RPW2 follow-up statements
670
WWUS51 KPHI 140210
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1010 PM EDT TUE JUL 13 2010
MDC011-035-041-140245-
/O.CON.KPHI.SV.W.0092.000000T0000Z-100714T0245Z/
CAROLINE MD-QUEEN ANNE'S MD-TALBOT MD-
1010 PM EDT TUE JUL 13 2010
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR SOUTHEASTERN TALBOT...EXTREME SOUTH CENTRAL QUEEN ANNE'S AND
SOUTHERN CAROLINE COUNTIES...
AT 1006 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WINDYHILL...OR 6 MILES
SOUTHEAST OF EASTON...MOVING NORTHEAST AT 25 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
TANYARD BY 1015 PM EDT...
PRESTON BY 1020 PM EDT...
MATTHEWS BY 1025 PM EDT...
HARMONY...6 MILES SOUTHEAST OF GRIFFIN AND 8 MILES NORTHWEST OF
FEDERALSBURG BY 1030 PM EDT...
AGNER BY 1035 PM EDT...
DENTON BY 1045 PM EDT...
IN ADDITION TO SMALL HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES GREATEST KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
LAT...LON 3869 7590 3867 7596 3860 7598 3858 7605
3881 7611 3892 7584 3865 7572 3869 7583
TIME...MOT...LOC 0209Z 236DEG 21KT 3871 7600
$$
RPW318
WWUS51 KPHI 140231
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1031 PM EDT TUE JUL 13 2010
MDC035-140238-
/O.CAN.KPHI.SV.W.0092.000000T0000Z-100714T0245Z/
QUEEN ANNE'S MD-
1031 PM EDT TUE JUL 13 2010
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTH CENTRAL QUEEN
ANNE'S COUNTY IS CANCELLED...
LAT...LON 3869 7590 3887 7596 3892 7584 3865 7572
3869 7583
TIME...MOT...LOC 0228Z 234DEG 16KT 3886 7588
$$
MDC011-041-140245-
/O.CON.KPHI.SV.W.0092.000000T0000Z-100714T0245Z/
CAROLINE MD-TALBOT MD-
1031 PM EDT TUE JUL 13 2010
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR EXTREME EAST CENTRAL TALBOT AND SOUTHERN CAROLINE COUNTIES...
AT 1030 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR GRIFFIN...OR 13 MILES NORTHEAST OF EASTON...MOVING NORTHEAST AT
20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
DENTON BY 1040 PM EDT...
IN ADDITION TO SMALL HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES GREATEST KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
LAT...LON 3869 7590 3887 7596 3892 7584 3865 7572
3869 7583
TIME...MOT...LOC 0228Z 234DEG 16KT 3886 7588
$$
RPWThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 9:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 64 min |
| Jul 13, 9:52 PM EDT | Special Weather Statement | PHI | Cecil | 68 min |
| Jul 14, 1:07 AM EDT | Special Weather Statement | PHI | Talbot | 83 min |
| Jul 14, 1:44 AM EDT | Special Weather Statement | PHI | Cecil, Kent | 61 min |
| Jul 14, 2:58 AM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's | 62 min |
| Jul 14, 10:15 AM EDT | Flash Flood Watch | PHI | Cecil | 9 hr |
| Jul 14, 12:52 PM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
Nearby
Severe Thunderstorm Warnings in Maryland, 2010Every severe thunderstorm warning in 2010
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.