Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 21, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at May 2, 2010, 6:15 PM EDT for Bedford County, Franklin County, Fulton County, Pennsylvania. It was in force for 60 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
- May 2, 2010, 6:15 PM EDT (22:15 UTC)
- Expired
- May 2, 2010, 7:15 PM EDT
- In force
- 60 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Bedford County, PA, Franklin County, PA, Fulton County, PA
The radar
The Sterling radar (KLWX), 115 km from the middle of the area, began a volume at 22:17 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 |
|---|---|---|---|
| May 2, 6:45 PM EDT | TSTM WND DMG | 5 Ese Cove Mills, PA | TREES DOWN ON CREEK ROAD JUST NORTH OF ROUTE 928 INTERSECTION. |
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 |
|---|---|---|---|
| May 2, 5:58 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.3 hours before the alert went out and 121 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
- 445 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 881 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
364 WUUS51 KCTP 022215 SVRCTP PAC009-055-057-022315- /O.NEW.KCTP.SV.W.0021.100502T2215Z-100502T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 615 PM EDT SUN MAY 2 2010 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FRANKLIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA... SOUTHERN BEDFORD COUNTY IN SOUTH CENTRAL PENNSYLVANIA... FULTON COUNTY IN SOUTH CENTRAL PENNSYLVANIA... * UNTIL 715 PM EDT * AT 607 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS NEAR LAKE GORDON...MOVING EAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... INGLESMITH AROUND 625 PM... BARNES GAP AND CLEARVILLE AROUND 630 PM... LOCUST GROVE AND CRYSTAL SPRINGS AROUND 640 PM... NEEDMORE AROUND 645 PM... BIG COVE TANNERY AND HARRISSONVILLE AROUND 655 PM... MCCONNELLSBURG AND CLAYLICK AROUND 700 PM... THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES... I-70 BETWEEN MILE MARKERS 150 AND 170...I-81 BETWEEN MILE MARKERS 1 AND 20. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. DO NOT STAY OUTDOORS IF YOU ARE IN THE PATH OF THIS SEVERE THUNDERSTORM. DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM SUNDAY EVENING FOR SOUTH CENTRAL PENNSYLVANIA. && LAT...LON 3972 7870 3986 7873 4009 7761 3972 7750 TIME...MOT...LOC 2215Z 258DEG 38KT 3980 7857 $$ FORECASTER: KF
1 follow-up statement
823 WWUS51 KCTP 022256 SVSCTP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 656 PM EDT SUN MAY 2 2010 PAC009-022303- /O.CAN.KCTP.SV.W.0021.000000T0000Z-100502T2315Z/ BEDFORD PA- 656 PM EDT SUN MAY 2 2010 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BEDFORD COUNTY IS CANCELLED... THE STORM HAS MOVED TO THE EAST OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SUNDAY EVENING FOR SOUTH CENTRAL PENNSYLVANIA. LAT...LON 3976 7827 3995 7823 4009 7761 3979 7752 TIME...MOT...LOC 2253Z 258DEG 38KT 3988 7806 $$ PAC055-057-022315- /O.CON.KCTP.SV.W.0021.000000T0000Z-100502T2315Z/ FRANKLIN PA-FULTON PA- 656 PM EDT SUN MAY 2 2010 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR CENTRAL FULTON AND CENTRAL FRANKLIN COUNTIES... AT 649 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS BETWEEN 60 AND 70 MPH. THIS STORM WAS LOCATED NEAR NEEDMORE...OR 10 MILES SOUTHEAST OF BREEZEWOOD...MOVING EAST AT 45 MPH. THIS STORM WILL BE NEAR MCCONNELLSBURG AROUND 705 PM...AND FORT LOUDON AROUND 715 PM. THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES... I-70 BETWEEN MILE MARKERS 151 AND 167...I-81 BETWEEN MILE MARKERS 5 AND 20. PRECAUTIONARY/PREPAREDNESS ACTIONS... DOPPLER RADAR HAS INDICATED WEAK ROTATION WITHIN THIS STORM 1 TO 2 MILES NORTHEAST OF NEEDMORE. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SUNDAY EVENING FOR SOUTH CENTRAL PENNSYLVANIA. && LAT...LON 3976 7827 3995 7823 4009 7761 3979 7752 TIME...MOT...LOC 2253Z 258DEG 38KT 3988 7806 $$ FORECASTER: LAMBERT
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 5:47 PM EDT | Special Weather Statement | CTP | Bedford | 43 min |
| May 2, 6:45 PM EDT | Special Weather Statement | CTP | Bedford, Somerset | 45 min |
| May 2, 7:17 PM EDT | Special Weather Statement | CTP | Cumberland, Franklin | 43 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.