Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 133, NWS Binghamton, NY
NWS Binghamton, NY issued this severe thunderstorm warning at Jul 29, 2009, 12:55 PM EDT for Lackawanna County, Susquehanna County, Wyoming County, Pennsylvania. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 29, 2009, 12:55 PM EDT (16:55 UTC)
- Expired
- Jul 29, 2009, 1:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Binghamton, NY
- Area
- Storm-based polygon
Counties Lackawanna County, PA, Susquehanna County, PA, Wyoming County, PA
The radar
The Binghamton radar (KBGM), 69 km from the middle of the area, began a volume at 16:57 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 29, 12:49 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 4.9 hours before the alert went out and 204 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
- 362 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 826 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Binghamton, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 29, 11:08 AM EDT, 1 hour 47 minutes earlier.
Area forecast discussion, Jul 29, 11:08 AM EDT, 1 hour 47 minutes before
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Special weather statement, Jul 29, 12:11 PM EDT, 44 minutes before
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Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 1:49 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 41 min |
| Jul 29, 2:48 PM EDT | Areal Flood Advisory | BGM | Chenango | 3 hr |
| Jul 29, 2:50 PM EDT | Flash Flood Watch | BGM | Broome, Chenango, Delaware, Otsego, Sullivan | 6 hr |
| Jul 29, 3:00 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 18 min |
| Jul 29, 6:35 PM EDT | Areal Flood Advisory | BGM | Sullivan | 3 hr |
| Jul 29, 12:21 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 39 min |
| Jul 29, 1:38 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 22 min |
| Jul 29, 1:57 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 48 min |
| Jul 29, 2:38 PM EDT | Areal Flood Advisory | BGM | Luzerne, Wyoming | 3 hr |
| Jul 29, 3:19 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 17 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2009Every severe thunderstorm warning in 2009
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.