Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 49, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jul 8, 2021, 3:45 PM EDT for Crawford County, Pennsylvania. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2021, 3:45 PM EDT (19:45 UTC)
- Expired
- Jul 8, 2021, 4:32 PM EDT
- In force
- 47 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
County Crawford County, PA
The radar
The Pittsburgh radar (KPBZ), 115 km from the middle of the area, began a volume at 19:45 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.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.8 hours before the alert went out and 128 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
- 174 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 757 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
254
WUUS51 KCLE 081945
SVRCLE
PAC039-082045-
/O.NEW.KCLE.SV.W.0049.210708T1945Z-210708T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
345 PM EDT Thu Jul 8 2021
The National Weather Service in Cleveland has issued a
* Severe Thunderstorm Warning for...
Western Crawford County in northwestern Pennsylvania...
* Until 445 PM EDT.
* At 344 PM EDT, a severe thunderstorm was located near Andover, or
19 miles north of Sharpsville, moving east at 35 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Meadville, Linesville, Harmonsburg, Adamsville, Guys Mills,
Pymatuning North, Pymatuning Central, Atlantic, Cochranton,
Saegertown, Conneaut Lake, Jamestown, Blooming Valley, Venango,
Woodcock, Conneaut Lakeshore, Geneva and Hartstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This is a DANGEROUS SITUATION. This storm is producing widespread
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay
away from windows!
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4155 7991 4152 7995 4151 7998 4149 8000
4149 8009 4148 8013 4149 8052 4170 8052
4180 7996
TIME...MOT...LOC 1944Z 261DEG 32KT 4154 8057
HAIL...<.75IN
WIND...70MPH
$$
Maines2 follow-up statements
635
WWUS51 KCLE 082024
SVSCLE
Severe Weather Statement
National Weather Service Cleveland OH
424 PM EDT Thu Jul 8 2021
PAC039-082045-
/O.CON.KCLE.SV.W.0049.000000T0000Z-210708T2045Z/
Crawford PA-
424 PM EDT Thu Jul 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTH CENTRAL CRAWFORD COUNTY...
At 424 PM EDT, a severe thunderstorm was located near Meadville,
moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Meadville, Guys Mills, Cochranton, Saegertown, Blooming Valley,
Geneva and Conneaut Lakeshore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4148 8026 4167 8029 4176 7995 4155 7991
4152 7995 4151 7998 4149 8000 4149 8011
4148 8019
TIME...MOT...LOC 2024Z 260DEG 31KT 4159 8013
HAIL...<.75IN
WIND...60MPH
$$
Maines440
WWUS51 KCLE 082032
SVSCLE
Severe Weather Statement
National Weather Service Cleveland OH
432 PM EDT Thu Jul 8 2021
PAC039-082041-
/O.CAN.KCLE.SV.W.0049.000000T0000Z-210708T2045Z/
Crawford PA-
432 PM EDT Thu Jul 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CRAWFORD COUNTY
IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
LAT...LON 4148 8026 4167 8029 4176 7995 4155 7991
4152 7995 4151 7998 4149 8000 4149 8011
4148 8019
TIME...MOT...LOC 2030Z 261DEG 32KT 4160 8004
$$
MainesNearby
Severe Thunderstorm Warnings in Pennsylvania, 2021Every severe thunderstorm warning in 2021
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; radar from the NEXRAD Level II archive.