Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 85, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 2, 1987, 4:14 PM EDT for Mercer County, Pennsylvania. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Aug 2, 1987, 4:14 PM EDT (20:14 UTC)
- Expired
- Aug 2, 1987, 5:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Mercer County, PA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.2 hours before the alert went out and 100 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
- 103 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1315 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 6 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 KYNG 022014 SVRYNG PAC085-022100- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 414 PM EDT SUN AUG 2 1987 THE NATIONAL WEAT
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, 3 hours 50 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, 2 hours 48 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, 2 hours 46 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
Special weather statement, Aug 2, 3:28 PM EDT, 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 328 PM EDT SUN AUG 2 1987 STRONG THUNDERSTORMS WERE DEVELOPING OVER TRUMBULL COUNTY. AT 320 PM EDT WEATHER SERVICE RADAR INDICATED AN ISOLATED STRONG THUNDERSTORM IN NORTHEAST TRUMBULL COUNTY ABOUT 10 MILES NORTHEAST OF THE YOUNGSTOWN MUNICIPAL AIRPORT. ANOTHER ISOLATED STRONG THUNDERSTORM WAS OVER EAST CENTRAL PORTAGE COUNTY ABOUT 10 MILES EAST OF REVENNA. BOTH OF THESE STORMS WERE MOVING EASTWARD AT ABOUT 30 MPH. BRIEF DOWNPOURS.. STRONG GUSTY WINDS.. INTENSE LIGHTNING AND SMALL HAIL ARE POSSIBLE AS THIS STORM MOVES OVER THE AREA. IF THREATENING WEATHER APPROACHES.. DON'T WAIT.. TAKE SHELTER IMMEDIATELY. UDELL
Special weather statement, Aug 2, 3:48 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 345 PM EDT SUN AUG 2 1987 STRONG THUNDERSTORMS WERE DEVELOPING ACROSS THE LAKESHORE COUNTIES THIS AFTERNOON. AT 345 PM RADAR INDICATED STRONG THUNDERSTORMS FROM THE SOUTHEAST SIDE OF CLEVELAND ACROSS CENTRAL GEAUGA COUNTY. THE STORM WERE SLIDING SOUTHEAST AT 25 MPH. AT 335 PM 40 MPH WIND GUSTS AND BRIEF HEAVY RAIN WAS REPORTED IN PEPPER PIKE. OTHER STRONG THUNDERSTORMS +WERE DEVELOPING OVER NORTH CENTRAL OHIO. PERSONS ACROSS THE LAKESHORE COUNTIES SHOULD BE PREPARED FOR GUSTY WINDS AND HEAVY RAIN AND TAKE COVER IF THREATEING WEATHER DEVELOPS. KIELTYKA
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:10 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 65 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; the sounding from the Mesonet's radiosonde archive.