Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 129, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 4, 2017, 11:40 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 35 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 4, 2017, 11:40 PM EDT (03:40 UTC)
- Expired
- Sep 5, 2017, 12:15 AM EDT
- In force
- 35 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Crawford County, PA, Erie County, PA
The radar
The Buffalo radar (KBUF), 151 km from the middle of the area, began a volume at 03:39 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 5, 12:13 AM EDT | TSTM WND DMG | Spartansburg, PA | CRAWFORD COUNTY SHERIFF DISPATCH REPORTED TREES DOWN IN THE SPARTANSBURG AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.7 hours before the alert went out and 151 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
- 94 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1561 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 339 m²/s²
- 0-3 km storm-relative helicity
- 515 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
960
WUUS51 KCLE 050340
SVRCLE
PAC039-049-050415-
/O.NEW.KCLE.SV.W.0129.170905T0340Z-170905T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
1140 PM EDT MON SEP 4 2017
The National Weather Service in Cleveland has issued a
* Severe Thunderstorm Warning for...
Southeastern Erie County in northwestern Pennsylvania...
Northeastern Crawford County in northwestern Pennsylvania...
* Until 1215 AM EDT
* At 1140 PM EDT, severe thunderstorms were located along a line
extending from near Corry to Canadohta Lake to near Meadville,
moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect damage to
trees and power lines.
* Locations impacted include...
Meadville, Corry, Titusville, Union City, Cambridge Springs,
Wattsburg, Riceville, Lincolnville, Canadohta Lake, Saegertown,
Hydetown, Mill Village, Blooming Valley, Townville, Spartansburg,
Venango, Elgin and Woodcock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4167 8026 4200 7988 4201 7976 4200 7975
4200 7962 4199 7961 4162 7962
TIME...MOT...LOC 0340Z 264DEG 47KT 4193 7968 4181 7981 4171 8008
HAIL...1.00IN
WIND...60MPH
$$
MullenThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 10:18 PM EDT | Special Weather Statement | CLE | Erie | 42 min |
| Sep 5, 12:17 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 28 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2017Every severe thunderstorm warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.