Alert archive / Pennsylvania / Tornado Warnings in 1986
Tornado Warning 1, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Jun 16, 1986, 8:43 PM EDT for Jefferson County, Pennsylvania. It was in force for 47 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 16, 1986, 8:43 PM EDT (00:43 UTC)
- Expired
- Jun 16, 1986, 9:30 PM EDT
- In force
- 47 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Jefferson County, PA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 16, 8:45 PM EDT | Thunderstorm Wind 0 | Jefferson, PA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 0.7 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
- 267 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1478 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 329 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 170047 TORPIT PAC065-170130- BULLETIN BROADCAST IMMEDIATELY TORNADO WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 0843PM EDT MON JUN 16 1986 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A TORNADO WARNING UNTIL 930PM FOR THIS COUNTY IN WESTERN PENNSYLVANIA...JEFFERSON HAM RADIO SPOTTER REPORTS TORNADO ON THE GROUND BETWEEN COOKS FOREST AND BROOKVILLE IN JEFFERSON COUNTY IN PENNSYLVANIA. A TORNADO WARNING MEANS A TORNADO IS IMMINENT OR IN PROGRESS. THESE STORMS WILL PRODUCE DAMAGING WIND..HAIL..HEAVY RAIN..AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES..GO TO A SAFE PLACE IMMEDIATELY. COVER YOUR HEAD. STAY AWAY FROM WINDOWS..DOORS..AND OUTSIDE WALLS. TO REPORT A TORNADO OOR OTHER SEVERE WEATHER..CALL NATIONAL WEATHER SERVICE AT AREA CODE 412 644 2888.
What forecasters said that day
The local office's own words before this tornado 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 16, 8:05 PM EDT, 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH, PA 800 PM EDT MON JUN 16 1986 TORNADO WATCH NUMBER 266 IS NO LONGER IS EFFECT FOR THESE COUNTIES IN NORTHWEST PENNSYLVANIA... ERIE..CRAWFOR4D..WARREN..MERCER..FOREST..AND VENANGO. A TORNADO WATCH CONTINES TIL 1AM FOR WESTERN PENNSYLVANIA SOUTH OF THOSE COUNTIES.
Nearby
Tornado Warnings in Pennsylvania, 1986Every tornado warning in 1986Tornadoes in 1986
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.