Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 103, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jul 7, 1991, 5:02 AM EDT for Erie County, Pennsylvania. It was in force for 58 min. 2 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
- Jul 7, 1991, 5:02 AM EDT (09:02 UTC)
- Expired
- Jul 7, 1991, 6:00 AM EDT
- In force
- 58 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Erie County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 7, 5:15 AM EDT | Thunderstorm Wind 0 | Erie, PA | |
| Jul 7, 5:45 AM EDT | Thunderstorm Wind 0 | 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 00:00Z, 9.0 hours before the alert went out and 146 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
- 2191 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 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, Jul 7, 2:51 AM EDT, 2 hours 11 minutes before
PAZ001-070900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 249 AM EDT SUN JUL 07 1991 ...STRONG THUNDERSTORMS DEVELOPING OVER CENTRAL LAKE ERIE... STRONG THUNDERSTORMS HAVE DEVELOPED RAPIDLY OVER CENTRAL LAKE ERIE DURING THE PAST HOUR. THE STORMS ARE LOCATED ABOUT 20 MILES NORTH-NORTHEAST OF CONNEAUT OHIO AND ARE MOVING TO THE EAST AT 30 MPH. THESE STORMS ARE CAPABLE OF PRODUCING STROND GUSTY WINDS, DEADLY LIGHTNING, AND SMALL HAIL. BOATERS ON LAKE ERIE SHOULD SEEK SHELTER IF THREATENING WEATHER APPROACHES. LAMBERT
Special weather statement, Jul 7, 4:50 AM EDT, 12 minutes before
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</html>The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 4:57 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 48 min |
| Jul 7, 4:20 PM EDT | Severe Thunderstorm Warning | CLE | Guernsey | 55 min |
| Jul 7, 4:50 PM EDT | Severe Thunderstorm Warning | CLE | Belmont | 40 min |
| Jul 7, 6:39 PM EDT | Severe Thunderstorm Warning | CLE | Jefferson | 51 min |
| Jul 7, 3:27 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 63 min |
| Jul 7, 4:12 AM EDT | Severe Thunderstorm Warning | CLE | Warren | 63 min |
| Jul 7, 5:47 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 58 min |
| Jul 7, 6:00 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 60 min |
| Jul 7, 6:42 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 63 min |
| Jul 7, 7:36 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 69 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1991Every severe thunderstorm warning in 1991
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.