Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 61, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jul 29, 2021, 10:21 AM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 39 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 29, 2021, 10:21 AM EDT (14:21 UTC)
- Expired
- Jul 29, 2021, 11:00 AM EDT
- In force
- 39 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Crawford County, PA, Erie County, PA
The radar
The Pittsburgh radar (KPBZ), 150 km from the middle of the area, began a volume at 14:22 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 2.4 hours before the alert went out and 155 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
- 27 J/kg
- Mixed-layer CIN
- -325 J/kg
- Mixed-layer LCL
- 1482 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
193
WUUS51 KCLE 291421
SVRCLE
PAC039-049-291500-
/O.NEW.KCLE.SV.W.0061.210729T1421Z-210729T1500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
1021 AM EDT Thu Jul 29 2021
The National Weather Service in Cleveland has issued a
* Severe Thunderstorm Warning for...
Erie County in northwestern Pennsylvania...
Crawford County in northwestern Pennsylvania...
* Until 1100 AM EDT.
* At 1021 AM EDT, severe thunderstorms were located along a line
extending from near Northwest Harborcreek to 9 miles east of
Atlantic, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Erie, Meadville, Corry, Edinboro, Titusville, North East, Union
City, Cambridge Springs, Waterford, Wattsburg, Canadohta Lake,
Riceville, Northwest Harborcreek, Lincolnville, Guys Mills,
Harborcreek, Lawrence Park, Wesleyville, Cochranton and Saegertown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4162 7961 4162 7982 4149 8000 4148 8029
4211 8027 4214 8021 4216 8019 4227 7976
4201 7976 4199 7961
TIME...MOT...LOC 1421Z 274DEG 36KT 4220 7998 4148 8016
HAIL...<.75IN
WIND...60MPH
$$
Saunders2 follow-up statements
013
WWUS51 KCLE 291450
SVSCLE
Severe Weather Statement
National Weather Service Cleveland OH
1050 AM EDT Thu Jul 29 2021
PAC039-049-291500-
/O.CON.KCLE.SV.W.0061.000000T0000Z-210729T1500Z/
Erie PA-Crawford PA-
1050 AM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT
FOR SOUTHEASTERN ERIE AND EASTERN CRAWFORD COUNTIES...
At 1050 AM EDT, severe thunderstorms were located along a line
extending from near Findley Lake to near Sugarcreek, moving east at
40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Corry, Titusville, Union City, Wattsburg, Riceville, Lincolnville,
Canadohta Lake, Guys Mills, Cochranton, Hydetown, Mill Village,
Blooming Valley, Townville, Spartansburg and Elgin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4162 7961 4162 7982 4149 8000 4149 8012
4200 7992 4217 7977 4201 7976 4199 7961
TIME...MOT...LOC 1450Z 274DEG 36KT 4218 7968 4146 7987
HAIL...<.75IN
WIND...60MPH
$$
Saunders874
WWUS51 KCLE 291501
SVSCLE
Severe Weather Statement
National Weather Service Cleveland OH
1101 AM EDT Thu Jul 29 2021
PAC039-049-291511-
/O.EXP.KCLE.SV.W.0061.000000T0000Z-210729T1500Z/
Erie PA-Crawford PA-
1101 AM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ERIE AND EASTERN
CRAWFORD COUNTIES HAS EXPIRED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been allowed to expire.
LAT...LON 4162 7961 4162 7982 4149 8000 4149 8012
4200 7992 4217 7977 4201 7976 4199 7961
TIME...MOT...LOC 1501Z 274DEG 36KT 4218 7961 4146 7980
$$
SaundersThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 10:05 AM EDT | Beach Hazards Statement | CLE | Erie | 28 hr |
| Jul 29, 10:17 AM EDT | Special Weather Statement | CLE | Crawford, Erie | 28 min |
| Jul 29, 11:11 AM EDT | Areal Flood Advisory | CLE | Erie | 3 hr |
| Jul 29, 11:35 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 40 min |
| Jul 29, 11:45 AM EDT | Tornado Warning | CLE | Crawford, Erie | 27 min |
| Jul 29, 12:52 PM EDT | Areal Flood Advisory | CLE | Crawford | 3 hr |
| Jul 29, 1:01 PM EDT | Special Weather Statement | CLE | Crawford | 29 min |
| Jul 29, 1:08 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 37 min |
Nearby
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.