Alert archive / Maryland / Special Weather Statements in 2010
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Sep 30, 2010, 11:32 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 58 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
- Sep 30, 2010, 11:32 PM EDT (03:32 UTC)
- Expired
- Oct 1, 2010, 12:30 AM EDT
- In force
- 58 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 70 km from the middle of the area, began a volume at 03:34 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 3.5 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.
- Mixed-layer CAPE
- 15 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 470 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- -51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at Sep 30, 10:14 PM EDT, 1 hour 18 minutes earlier.
Area forecast discussion, Sep 30, 10:14 PM EDT, 1 hour 18 minutes before
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</html>Hazardous weather outlook, Sep 30, 9:48 PM EDT, 1 hour 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 948 PM EDT THU SEP 30 2010 DEZ002-003-NJZ008-010-012-013-015>022-027-020200- KENT-INLAND SUSSEX-MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-MERCER- SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-SOUTHEASTERN BURLINGTON- 948 PM EDT THU SEP 30 2010 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN DELAWARE...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY AND SOUTHERN NEW JERSEY. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. DEZ001-MDZ008-NJZ001-007-009-PAZ054-055-060>062-067>071-020200- NEW CASTLE-CECIL-SUSSEX-WARREN-HUNTERDON-CARBON-MONROE-BERKS-LEHIGH- NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 948 PM EDT THU SEP 30 2010 ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...NORTHEAST MARYLAND...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. NJZ023-020200- CAPE MAY- 948 PM EDT THU SEP 30 2010 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN NEW JERSEY. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. HIGH SURF ADVISORY. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ012-015-019-020-020200- KENT MD-QUEEN ANNES-TALBOT-CAROLINE- 948 PM EDT THU SEP 30 2010 ...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MARYLAND. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. COASTAL FLOOD WARNING. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. DEZ004-NJZ014-024>026-020200- DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN- 948 PM EDT THU SEP 30 2010 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN DELAWARE...CENTRAL NEW JERSEY AND SOUTHERN NEW JERSEY. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. HIGH SURF ADVISORY. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ450>455-020200- COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM- COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM- COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM- COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM- 948 PM EDT THU SEP 30 2010 ...GALE WARNING IN EFFECT UNTIL 6 AM EDT FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. SMALL CRAFT LEVEL WINDS AND SEAS ARE EXPECTED FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ430-431-020200- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- 948 PM EDT THU SEP 30 2010 ...GALE WARNING IN EFFECT UNTIL 6 AM EDT FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR DELAWARE BAY WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. SMALL CRAFT LEVEL WINDS ARE EXPECTED FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Special weather statement, Sep 30, 10:25 PM EDT, 1 hour 7 minutes before
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</html>Special weather statement, Sep 30, 10:32 PM EDT, 1 hour before
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</html>Special weather statement, Sep 30, 11:17 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1117 PM EDT THU SEP 30 2010
NJZ001-008>010-012-010415-
HUNTERDON NJ-MIDDLESEX NJ-MORRIS NJ-SOMERSET NJ-SUSSEX NJ-
1117 PM EDT THU SEP 30 2010
...AN AREA OF SHOWERS PRODUCING HEAVY RAINFALL WILL AFFECT SUSSEX...
MORRIS...HUNTERDON...SOMERSET AND MIDDLESEX COUNTIES...
AT 1110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SHOWERS PRODUCING HEAVY RAINFALL 5 MILES NORTHWEST OF
SOMERVILLE...MOVING NORTH AT 45 MPH. THE SHOWERS WILL BE NEAR
BERNARDSVILLE...BASKING RIDGE...LONG VALLEY AROUND 1120 PM...
MENDHAM...CHESTER...MORRISTOWN AROUND 1125 PM...SUCCASUNNA...MORRIS
PLAINS...NETCONG AND HANOVER TOWNSHIP AROUND 1130 PM.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 4120 7437 4118 7437 4109 7449 4104 7449
4105 7444 4102 7442 4100 7433 4039 7457
4046 7493 4130 7459
HAYESSpecial weather statement, Sep 30, 11:20 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1120 PM EDT THU SEP 30 2010
NJZ007-009-PAZ055-061-062-068-069-010415-
BUCKS PA-HUNTERDON NJ-LEHIGH PA-MONROE PA-MONTGOMERY PA-
NORTHAMPTON PA-WARREN NJ-
1120 PM EDT THU SEP 30 2010
...AN AREA OF SHOWERS PRODUCING HEAVY RAINFALL WILL AFFECT WARREN...
HUNTERDON...MONTGOMERY...LEHIGH...NORTHAMPTON...BUCKS AND MONROE
COUNTIES...
AT 1114 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SHOWERS PRODUCING HEAVY RAINFALL 20 MILES SOUTH OF EASTON...
MOVING NORTH AT 30 MPH. THE SHOWERS WILL BE NEAR ERWINNA...REVERE...
COOPERSBURG AROUND 1125 PM...FRENCHTOWN...FERNDALE...FERNDALE...
SPRINGTOWN AROUND 1130 PM...MILFORD...HELLERTOWN AROUND 1135 PM AND
RIEGELSVILLE AROUND 1140 PM.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 4118 7515 4116 7516 4115 7509 4109 7503
4110 7499 4109 7499 4107 7495 4091 7477
4087 7481 4083 7482 4078 7489 4074 7483
4028 7497 4030 7547 4119 7523
HAYESSpecial weather statement, Sep 30, 11:32 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1132 PM EDT THU SEP 30 2010
MDZ008-012-015-019-020-010430-
CAROLINE MD-CECIL MD-KENT MD-QUEEN ANNE'S MD-TALBOT MD-
1132 PM EDT THU SEP 30 2010
...AN AREA OF SHOWERS PRODUCING HEAVY RAINFALL WILL AFFECT
CAROLINE...CECIL...KENT...QUEEN ANNE'S AND TALBOT COUNTIES...
AT 1130 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA
OF SHOWERS PRODUCING HEAVY RAINFALL 22 MILES SOUTH OF EASTON...MOVING
NORTH AT 45 MPH. THE SHOWERS WILL BE NEAR TRAPPE AROUND 1140 PM...
OXFORD...HAMBLETON...WINDYHILL AROUND 1145 PM...ST. MICHAELS...
EASTON...TALBOT...TILGHMAN ISLAND AROUND 1150 PM...COPPERVILLE AND
SKIPTON AROUND 1155 PM.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS
LAT...LON 3871 7632 3868 7633 3868 7634 3887 7625
3882 7621 3883 7620 3894 7624 3891 7631
3887 7633 3903 7633 3900 7627 3898 7621
3918 7628 3944 7600 3957 7610 3957 7596
3856 7605
HAYESThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 8:35 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer | 85 min |
| Sep 30, 9:50 PM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Sussex, Warren | 85 min |
| Sep 30, 10:25 PM EDT | Special Weather Statement | PHI | Morris | 50 min |
| Sep 30, 10:32 PM EDT | Special Weather Statement | PHI | Gloucester | 58 min |
| Sep 30, 11:04 PM EDT | Special Weather Statement | PHI | Sussex | 56 min |
| Sep 30, 11:17 PM EDT | Special Weather Statement | PHI | Morris, Somerset | 58 min |
| Sep 30, 11:20 PM EDT | Special Weather Statement | PHI | Hunterdon, Warren | 55 min |
| Oct 1, 12:20 AM EDT | Special Weather Statement | PHI | Warren | 55 min |
| Oct 1, 1:22 AM EDT | Special Weather Statement | PHI | Salem | 53 min |
| Oct 1, 1:37 AM EDT | Special Weather Statement | PHI | Morris, Sussex | 53 min |
| Oct 1, 2:53 AM EDT | Special Weather Statement | PHI | Middlesex, Morris, Somerset | 52 min |
| Oct 1, 3:02 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Cumberland, Hunterdon, Mercer | 58 min |
| Oct 1, 3:11 AM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 6 more | 12 hr |
| Oct 1, 3:29 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Mercer, Middlesex and 2 more | 61 min |
| Oct 1, 3:43 AM EDT | Special Weather Statement | PHI | Middlesex, Morris, Somerset | 62 min |
| Oct 1, 4:25 AM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Monmouth, Ocean | 65 min |
| Oct 1, 4:28 AM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Cape May, Mercer, Middlesex, Monmouth and 1 more | 10 hr |
| Oct 1, 5:07 AM EDT | Special Weather Statement | PHI | Atlantic, Monmouth, Ocean | 53 min |
| Oct 1, 6:37 AM EDT | Small Craft Advisory | PHI | 34 hr | |
| Oct 1, 8:13 AM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 6 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Sussex, Warren | 18 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon, Warren | 18 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon, Mercer | 18 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon | 10 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon | 18 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon, Mercer | 10 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Mercer | 10 hr |
| Oct 1, 3:04 PM EDT | Areal Flood Warning | PHI | Somerset | 4 hr |
| Oct 1, 3:05 PM EDT | River Flood Warning | PHI | Morris | 11 hr |
| Sep 30, 8:26 PM EDT | Special Weather Statement | PHI | Berks, Carbon | 94 min |
| Sep 30, 11:36 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Montgomery | 54 min |
| Oct 1, 1:02 AM EDT | River Flood Warning | PHI | Delaware | 13 hr |
| Oct 1, 1:21 AM EDT | River Flood Warning | PHI | Lehigh, Northampton | 14 hr |
| Oct 1, 1:28 AM EDT | River Flood Warning | PHI | Montgomery | 14 hr |
| Oct 1, 1:39 AM EDT | River Flood Warning | PHI | Bucks | 18 hr |
| Oct 1, 2:01 AM EDT | River Flood Warning | PHI | Chester | 13 hr |
| Oct 1, 2:35 AM EDT | River Flood Warning | PHI | Berks | 8 hr |
| Oct 1, 2:35 AM EDT | River Flood Warning | PHI | Montgomery | 13 hr |
| Oct 1, 2:35 AM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 13 hr |
| Oct 1, 2:35 AM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 19 hr |
| Oct 1, 12:07 AM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's, Talbot | 53 min |
| Oct 1, 12:40 AM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's | 65 min |
| Oct 1, 12:49 AM EDT | River Flood Warning | PHI | New Castle | 14 hr |
| Oct 1, 12:57 AM EDT | Special Weather Statement | PHI | Kent | 63 min |
| Oct 1, 1:08 AM EDT | River Flood Warning | PHI | New Castle | 14 hr |
| Oct 1, 2:08 AM EDT | River Flood Warning | PHI | New Castle | 12 hr |
| Oct 1, 2:23 AM EDT | River Flood Warning | PHI | New Castle | 23 hr |
Nearby
Special Weather Statements in Maryland, 2010Every special weather statement 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; radar from the NEXRAD Level II archive.