Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 84, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 2, 1987, 3:10 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 65 min. 4 reports 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
- Aug 2, 1987, 3:10 PM EDT (19:10 UTC)
- Expired
- Aug 2, 1987, 4:15 PM EDT
- In force
- 65 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Crawford County, PA, Erie 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 |
|---|---|---|---|
| Aug 2, 3:30 PM EDT | Thunderstorm Wind 0 | Crawford, PA | |
| Aug 2, 3:30 PM EDT | Thunderstorm Wind 0 | Erie, PA | |
| Aug 2, 3:30 PM EDT | Thunderstorm Wind 0 | Crawford, PA | |
| Aug 2, 3:30 PM EDT | Thunderstorm Wind 0 | Crawford, 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.2 hours before the alert went out and 162 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 021911 SVRERI PAC039-049-022015- BULLETIN BROADCAST IMMEDIATELY SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ERIE PA 310 PM EDT SUN AUG 2 1987 THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A SEVERE THUNDERSTORM WARNING UNTIL 415 PM FOR THESE COUNTIES IN WESTERN PENNSYLVANIA...CRAWFORD ERIE JUST AFTER 3PM RADAR SHOWED A SEVERE STORM MOVING FROM LAKE ERIE INTO THE WESTERN HALF OF ERIE AND CRAWFORD COUNTIES. THIS STORM HAS STRONG WIND GUSTS...FREQUENT LIGHTNING...AND DOWNPOURS POSSIBLY HEAVY ENOUGH TO CAUSE POOR DRAINAGE FLOODING. THERE COULD BE SOME LARGE HAIL TOO. THE STORMS WERE MOVING SOUTHEAST AT 20 MILES AN HOUR. < IF THREATENING WEATHER APPROACHES..GO TO A SAFE PLACE IMMEDIATELY. i
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.
In the hours before
Special weather statement, Aug 2, 12:24 PM EDT, 2 hours 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 1223 PM EDT SUN AUG 2 1987 STRONG THUNDERSTORMS WERE MOVING TOWARD TRUMBULL COUNTY. AT 1205 PM EDT WEATHER SERVICE RADAR INDICATED AN ISOLATED STRONG THUNDERSTORM IN SOUTHEAST GEAUGA COUNTY ABOUT 20 MILES NORTHWEST OF THE YOUNGSTOWN MUNICIPAL AIRPORT. THIS STORM WAS MOVING SOUTHEAST AT ABOUT 25 MPH AND IS EXPECTED TO MOVE INTO TRUMBULL COUNTY BY 1PM EDT. BRIEF DOWNPOURS.. STRONG GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH THIS THUNDERSTORM. IF THREATENING WEATHER APPROACHES.. DON'T WAIT.. TAKE SHELTER IMMEDIATELY. UDELL
Special weather statement, Aug 2, 1:26 PM EDT, 1 hour 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 125 PM EDT SUN AUG 2 1987 ONLY RAINSHOWERS MOVED INTO TRUMBULL COUNTY. AT 120 PM EDT WEATHER SERVICE RADAR INDICATED JUST LIGHT TO MODERATE SCATTERED SHOWERS HAD MOVED INTO EXTREME NORTHERN TRUMBULL COUNTY. THE THUNDERSTORM REPORTED EARLIER HAD DIED AND NO LONGER THREATEN TRUMBULL COUNTY. HOWEVER.. ADDITIONAL STRONG THUNDERSTORMS HAVE DEVELOPED OVER LAKE ERIE THAT MAY MO@VE INTO THE AREA LATE THIS AFTERNOON OR EVENING. STAY ALERT FOR CHANGING WEATHER CONDITIONS AND BE PREPARED FOR IF THREATENING WEATHER DOES DEVELOP OVER THE AREA LATE AFTERNOON OR EARLY EVENING. UDELL
Special weather statement, Aug 2, 1:28 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT..CORRECTION NATIONAL WEATHER SERVICE YOUNGSTOWN OH 125 PM EDT SUN AUG 2 1987 ONLY RAINSHOWERS MOVED INTO TRUMBULL COUNTY. AT 120 PM EDT WEATHER SERVICE RADAR INDICATED JUST LIGHT TO MODERATE SCATTERED SHOWERS HAD MOVED INTO EXTREME NORTHERN TRUMBULL COUNTY. THE THUNDERSTORM REPORTED EARLIER HAD DIED AND NO LONGER THREATEN TRUMBULL COUNTY. HOWEVER.. ADDITIONAL STRONG THUNDERSTORMS HAVE DEVELOPED OVER LAKE ERIE THDAT MAY MOVE INTO THE AREA LATE THIS AFTERNOON OR EVENING. STAY ALERT FOR CHANGING WEATHER CONDITIONS AND BE PREPARED FOR THREATENING WEATHER IF AND WHEN IT DOES DEVELOP OVER THE AREA LATER THIS AFTERNOON OR EARLY EVENING. UDELL
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 4:14 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 46 min |
| Aug 2, 6:07 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 53 min |
| Aug 2, 6:18 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 72 min |
| Aug 2, 7:09 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 66 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1987Every severe thunderstorm warning in 1987
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.