Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 91, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 2, 1987, 6:18 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 72 min. 3 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, 6:18 PM EDT (22:18 UTC)
- Expired
- Aug 2, 1987, 7:30 PM EDT
- In force
- 72 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, 7:00 PM EDT | Thunderstorm Wind 52 | Crawford, PA | |
| Aug 2, 7:00 PM EDT | Thunderstorm Wind 0 | Erie, PA | |
| Aug 2, 7:22 PM EDT | Thunderstorm Wind 52 | Erie, 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, 10.3 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 KERI 022218 SVRERI PAC049-039-022330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ERIE PA 618 PM EDT SUN AUG 2 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHWEST PENNSYLVANIA...ERIE...CRAWFORD AND AND ADJACENT LAKE ERIE WATERS AT 6 PM EDT ERIE WEATHER RADAR SHOWS VERY HEAVY THUNDERSTORMS OVER THE LAKE MOVING TO THE SOUTHEAST. THESE THUNDERSTORMS WILL MOVE INTO ERIE COUNTY AROUND 630 PM EDT. THESE THUNDER- STORMS WILL BRING HEAVY RAINS STRONG WINDS AND HAIL. THESE STORMS WILL CAUSE SOME FLOODING OF SMALL STREAMS AND LOW LYING AREAS. SMALL BOATERS ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD SEEK SAFE HARBOR. THESE STORMS ARE ACCOMPANIED BY DANGEROUS LIGHTNING..STRONG GUSTY WINDS AND HAIL.
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, 1:26 PM EDT, 4 hours 52 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, 4 hours 50 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, 2 hours 50 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, 2 hours 30 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
Special weather statement, Aug 2, 5:04 PM EDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 501 PM EDT SUN AUG 2 1987 STRONG THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER NORTHWEST OHIO THIS AFTERNOON. AT 458 PM STRONG THUNDERSTORMS WERE DEVELOPING IN NORTHERN LUCAS AND EASTERN FULTON COUNTIES OF NORTHWEST OHIO. THESE THUNDERSTORMS WERE PRODUCING HEAVY RAIN, GUSTY WINDS, AND FREQUENT LIGHTNING. MOVEMENT OF THE THUNDERSTORMS WAS TO THE EAST AT 30 MILES PER HOUR. PERSONS IN NORTHWEST OHIO SHOULD KEEP ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. THE VERY HOT AND HUMID CONDITIONS THIS AFTERNOON CAN RAPIDLY TRIGGER STRONG THUNDERSTORMS. KOOPMEINERS
Special weather statement, Aug 2, 6:18 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 620 PM EDT SUN AUG 2 1987 ...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR THE NORTH CENTRAL OHIO COUNTIES OF RICHLAND..ASHLAND..MORROW AND KNOX UNTIL 10 PM EDT... ...A SEVERE THUNDER WATCH IS IN EFFECT FOR CRAWFORD COUNTY UNTIL MIDNIGHT EDT... AT 615 PM WEATHER SERVICE RADAR SHOWED NORTH CENTRAL OHIO FREE OF SHOWERS AND THUNDERSTORMS. THERE WAS A LINE OF SHOWERS AND THUNDERSTORMS.. SOME VERY HEAVY..FROM CENTRAL LAKE ERIE ACROSS NORTHWEST OHIO TO NORTH CENTRAL INDIANA. THIS LINE OF THUNDERSTORMS WAS DROPPING TO THE SOUTHEAST AT ABOUT 25 MPH AND AT THIS RATE THEY COULD AFFECT NORTH CENTRAL OHIO LATER THIS EVENING. BANYAS
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, 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, 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.