Alert archive / Pennsylvania / Winter Storm Watches in 2021
Winter Storm Watch 3, NWS Cleveland, OH
NWS Cleveland, OH issued this winter storm watch at Nov 25, 2021, 3:41 AM EST for Erie County, Pennsylvania. It took effect at Nov 26, 2021, 1:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 25, 2021, 3:41 AM EST (08:41 UTC)
- In effect from
- Nov 26, 2021, 1:00 AM EST
- Expired
- Nov 25, 2021, 1:34 PM EST
- In force
- Issued by
- NWS Cleveland, OH
County Erie County, PA
The radar
The Buffalo radar (KBUF), 145 km from the middle of the area, began a volume at 08:45 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
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.7 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
- 1964 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
735 WWUS41 KCLE 250841 WSWCLE URGENT - WINTER WEATHER MESSAGE National Weather Service Cleveland OH 341 AM EST Thu Nov 25 2021 PAZ002-251645- /O.NEW.KCLE.WS.A.0003.211126T0600Z-211127T1200Z/ Southern Erie- Including the cities of Edinboro, Corry, and Union City 341 AM EST Thu Nov 25 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy lake effect snow possible. Total snow accumulations in excess of 8 inches possible by Saturday morning. Winds could gust as high as 35 mph. * WHERE...Southern Erie county. * WHEN...From late tonight through Saturday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning commute. * ADDITIONAL DETAILS...Highest snowfall accumulations are expected in the Erie County Snow Belt, south of Interstates 86 and 90 and along and east of Interstate 79. The best window for snow appears to be Friday morning, when one inch per hour snowfall rates are possible, which would cause hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
2 follow-up statements
892 WWUS41 KCLE 251505 WSWCLE URGENT - WINTER WEATHER MESSAGE National Weather Service Cleveland OH 1005 AM EST Thu Nov 25 2021 PAZ002-252315- /O.CON.KCLE.WS.A.0003.211126T0600Z-211127T1200Z/ Southern Erie- Including the cities of Edinboro, Corry, and Union City 1005 AM EST Thu Nov 25 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy lake effect snow possible. Total snow accumulations in excess of 8 inches possible by Saturday morning. Winds could gust as high as 35 mph. * WHERE...Southern Erie county. * WHEN...From late tonight through Saturday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. * ADDITIONAL DETAILS...Highest snowfall accumulations are expected in the Erie County Snow Belt, south of Interstates 86 and 90 and along and east of Interstate 79. The best window for snow appears to be Friday morning, when one inch per hour snowfall rates are possible, which would cause hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
780
WWUS41 KCLE 251834
WSWCLE
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cleveland OH
134 PM EST Thu Nov 25 2021
PAZ002-260245-
/O.UPG.KCLE.WS.A.0003.211126T0600Z-211127T1200Z/
/O.NEW.KCLE.LE.W.0003.211126T0600Z-211127T1200Z/
Southern Erie-
Including the cities of Edinboro, Corry, and Union City
134 PM EST Thu Nov 25 2021
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 1 AM FRIDAY TO 7 AM
EST SATURDAY...
* WHAT...Heavy lake effect snow expected. Total snow accumulations
of 6 to 11 inches. Wind gusts of 30 to 35 mph are possible.
* WHERE...Southern Erie county.
* WHEN...From 1 AM Friday to 7 AM EST Saturday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the morning or evening commute.
* ADDITIONAL DETAILS...Highest snowfall accumulations are expected
in the eastern half of the county. The heaviest snowfall rates
are expected Friday morning, with possible one inch per hour
rates. This will cause hazardous travel conditions, particularly
along the I-90 and I-86 corridors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.
The Pennsylvania Department of Transportation and Pennsylvania
Turnpike Commission strongly encourage motorists to heed all
travel restrictions and delay unnecessary travel. Visit
www.511pa.com for the latest travel, roadway, and traffic
conditions.
&&
Experimental content below...do not use operationally.
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4203 7976 4221 7976 4218 7992 4206 8011
4193 8016 4188 8002 4193 7986 4196 7968 4199 7977
4200 7965
TIME Y21M11D26T0600Z-Y21M11D27T0000Z
COORD...4212 7975 4215 7983 4211 7990 4200 7991
4198 7986 4199 7977 4201 7976 4198 7968 4200 7968
4203 7976
TIME Y21M11D27T0000Z-Y21M11D27T1200Z
$$
PAZ001-003-260245-
/O.NEW.KCLE.WW.Y.0015.211126T0600Z-211127T1200Z/
Northern Erie-Crawford-
Including the cities of Erie, Meadville, and Titusville
134 PM EST Thu Nov 25 2021
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM FRIDAY TO 7 AM EST
SATURDAY...
* WHAT...Lake effect snow expected. Total snow accumulations of 4
to 6 inches. Winds gusting as high as 40 mph are possible for
Erie Lakeshore with gusts of 30 to 35 mph for Crawford County.
* WHERE...Northern Erie and Crawford counties.
* WHEN...From 1 AM Friday to 7 AM EST Saturday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the morning or evening commute.
* ADDITIONAL DETAILS...Timing for the heaviest snowfall will be
early Friday morning into the early afternoon hours, which may
cause hazardous travel conditions across the areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.
The Pennsylvania Department of Transportation and Pennsylvania
Turnpike Commission remind motorists to adjust speeds based on
driving conditions as winter weather impacts Pennsylvania
roadways. Visit www.511pa.com for the latest travel, roadway, and
traffic conditions.
&&
$$
For more information from the National Weather Service visit
http://www.weather.gov/cleThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 1:34 PM EST | Lake Effect Snow Warning | CLE | Erie | 38 hr |
| Nov 25, 1:34 PM EST | Winter Weather Advisory | CLE | Crawford, Erie | 38 hr |
Nearby
Winter Storm Watches in Pennsylvania, 2021Every winter storm watch 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.