Alert archive / Pennsylvania / Flash Flood Warnings in 1995
Flash Flood Warning 17, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 8, 1995, 12:20 AM EDT for Jefferson County, Pennsylvania. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1995, 12:20 AM EDT (04:20 UTC)
- Expired
- Jun 8, 1995, 4:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Jefferson County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 4.3 hours before the alert went out and 122 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
- 830 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1219 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 7, 8:28 PM EDT, 3 hours 52 minutes before
PAZ007>009-013>016-020>023-029>032-080230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 828 PM EDT WED JUN 7 1995 THE SEVERE THUNDERSTORM WATCH...WATCH #564...HAS BEEN CANCELLED FOR THE COUNTIES IN WESTERN PENNSYLVANIA. THE SEVERE STORMS FROM EARLIER THIS EVENING HAVE MOVED EAST OF THE PENNSYLVANIA MOUNTAINS. OTHER SHOWERS AND THUNDERSTORMS WERE DEVELOPING OVER NORTHWEST PENNSYLVANIA AND NORTHEAST OHIO. THESE SHOWERS WERE MOVING SOUTHEAST AND WILL CROSS THE PITTSBURGH AREA BETWEEN 9PM AND MIDNIGHT. INTENSITY TRENDS OF THESE SHOWERS AND THUNDERSTORMS WILL HAVE TO BE MONITORED THROUGH THE EVENING FOR THE POSSIBILITY OF ADDITIONAL WATCHES OR WARNINGS. PLEASE STAY TUNED FOR FUTURE UPDATES. PM
Special weather statement, Jun 7, 11:00 PM EDT, 1 hour 20 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 9:47 PM EDT | Flash Flood Warning | PBZ | Clarion, Forest | 2 hr |
| Jun 7, 11:53 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 67 min |
| Jun 8, 12:14 AM EDT | Severe Thunderstorm Warning | PBZ | Guernsey, Muskingum | 61 min |
| Jun 8, 1:03 AM EDT | Severe Thunderstorm Warning | PBZ | Belmont | 17 min |
| Jun 8, 1:04 AM EDT | Severe Thunderstorm Warning | PBZ | Monroe | 56 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1995Every flash flood warning in 1995
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.