Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 66, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2001, 1:20 PM EDT for Carbon County, Pennsylvania. It was in force for 25 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 1, 2001, 1:20 PM EDT (17:20 UTC)
- Expired
- Jul 1, 2001, 1:45 PM EDT
- In force
- 25 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Carbon County, PA
The radar
The Binghamton radar (KBGM), 144 km from the middle of the area, began a volume at 17:19 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 1, 12:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 5.3 hours before the alert went out and 239 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
- 301 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 1284 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
768 WUUS51 KPHI 011720 SVRPHI PAC025-011745- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 120 PM EDT SUN JUL 1 2001 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN CARBON COUNTY IN NORTHEAST PENNSYLVANIA. * UNTIL 145 PM EDT. * AT 116 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... OVER CENTRAL CARBON COUNTY...MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL MOVE THROUGH THE EASTERN HALF OF THE COUNTY BY 145 PM. DAMAGING WINDS IN EXCESS OF 55 MPH ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE TELEVISION OUTLET. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM SUNDAY EVENING FOR NORTHWESTERN NEW JERSEY AND EASTERN PENNSYLVANIA. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 10:53 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 52 min |
| Jul 1, 1:09 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 36 min |
| Jul 1, 1:26 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 64 min |
| Jul 1, 2:03 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 42 min |
| Jul 1, 2:44 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 61 min |
| Jul 1, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 39 min |
| Jul 1, 4:35 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Montgomery | 40 min |
| Jul 1, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 45 min |
| Jul 1, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 45 min |
| Jul 1, 6:31 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 29 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2001Every severe thunderstorm warning in 2001
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.