Alert archive / New York / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 22
The Storm Prediction Center issued this severe thunderstorm watch at Mar 9, 2002, 11:30 PM EST for 4 states. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2002, 11:30 PM EST (04:30 UTC)
- Expired
- Mar 10, 2002, 3:00 AM EST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 70 counties
Bergen County, NJ, Burlington County, NJ, Camden County, NJ, Essex County, NJ, Hudson County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Passaic County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Albany County, NY, Bronx County, NY, Chenango County, NY, Clinton County, NY, Columbia County, NY, Delaware County, NY, Dutchess County, NY, Essex County, NY, Franklin County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Kings County, NY, Montgomery County, NY, New York County, NY, Oneida County, NY, Orange County, NY, Otsego County, NY, Putnam County, NY, Rensselaer County, NY, Richmond County, NY, Rockland County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, St. Lawrence County, NY, Sullivan County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Westchester County, NY, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lackawanna County, PA, Lancaster County, PA, Lehigh County, PA, Luzerne County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA, Pike County, PA, Susquehanna County, PA, Wayne County, PA, Addison County, VT, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Rutland County, VT
The radar
The Binghamton radar (KBGM), 97 km from the middle of the area, began a volume at 04:34 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.
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 11:39 PM EST | Severe Thunderstorm Warning | PHI | Berks | 51 min |
| Mar 9, 11:43 PM EST | Severe Thunderstorm Warning | PHI | Carbon | 32 min |
| Mar 10, 12:05 AM EST | Severe Thunderstorm Warning | PHI | Lehigh, Monroe, Northampton | 55 min |
| Mar 10, 12:07 AM EST | Severe Thunderstorm Warning | BGM | Delaware, Otsego, Sullivan | 53 min |
| Mar 10, 12:15 AM EST | Severe Thunderstorm Warning | BGM | Delaware, Otsego, Sullivan | 60 min |
| Mar 10, 12:56 AM EST | Severe Thunderstorm Warning | PHI | Warren | 34 min |
| Mar 10, 1:03 AM EST | Severe Thunderstorm Warning | PHI | Sussex | 42 min |
| Mar 10, 1:19 AM EST | Severe Thunderstorm Warning | PHI | Morris | 41 min |
| Mar 10, 2:12 AM EST | Severe Thunderstorm Warning | PHI | Mercer | 18 min |
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 4.5 hours before the alert went out and 128 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1042 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 513 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 100415 SEL2 SPC WW 100406 NJZ000-NYZ000-PAZ000-VTZ000-CWZ000-100800- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 22 STORM PREDICTION CENTER NORMAN OK 1106 PM EST SAT MAR 9 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN AND CENTRAL NEW JERSEY EASTERN NEW YORK EASTERN PENNSYLVANIA WESTERN VERMONT COASTAL WATERS EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1130 PM UNTIL 300 AM EST. HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES SOUTH SOUTHWEST OF PHILADELPHIA PENNSYLVANIA TO 25 MILES NORTH NORTHWEST OF PLATTSBURG NEW YORK. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 21. WATCH NUMBER 21 WILL NOT BE IN EFFECT AFTER 1130 PM EST. DISCUSSION...LINE OF CONVECTION MOVING THROUGH WRN NY/CENTRAL PA REMAINS SEVERE AS IT MOVES ENEWD AT 50 KT. INTENSE UPPER LEVEL SHORTWAVE TROUGH IS ACCELERATING NEWD WITH STRONG MID/HIGH LEVEL SUBSIDENCE AIDING IN 60-80 MPH WINDS WITHIN LINE OF CONVECTION. ISOLATED SEVERE HAIL IS POSSIBLE ACROSS ERN PA/SERN NY/ NJ WHERE INSTABILITY IS SLIGHTLY STRONGER. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350. MEAN STORM MOTION VECTOR 25045. ...IMY 450,0722 394,0741 394,0762 450,0745
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 8:30 PM EST | Severe Thunderstorm Watch | SPC | Broome, Cayuga, Chemung, Chenango, Cortland, Delaware and 20 more | 5 hr |
| Mar 10, 2:00 AM EST | Severe Thunderstorm Watch | SPC | Nassau, Queens, Suffolk, Westchester | 4 hr |
Nearby
Severe Thunderstorm Watches in New York, 2002Severe Thunderstorm Watches in New Jersey, 2002Severe Thunderstorm Watches in Pennsylvania, 2002Every severe thunderstorm watch in 2002
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.