Alert archive / Pennsylvania / Flash Flood Warnings in 1993
Flash Flood Warning 31, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Nov 27, 1993, 11:45 PM EST for Cameron County, Pennsylvania. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Nov 27, 1993, 11:45 PM EST (04:45 UTC)
- Expired
- Nov 28, 1993, 4:00 AM EST
- In force
- 4 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Cameron County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.8 hours before the alert went out and 171 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
- 507 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 838 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 flash flood 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, Nov 27, 5:55 PM EST, 5 hours 50 minutes before
OHZ010>014-290100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 555 PM EST SAT NOV 27 1993 SNOW WAS FALLING ALONG THE LAKE ERIE SHORELINE FROM CLEVELAND...EAST INTO NORTHWEST PENNSYLVANIA. AT 555 PM...RADAR SHOWED ABOUT A 15 MILE WIDE BAND OF SNOW FROM LORAIN...EAST ALONG THE LAKESHORE INTO NORTHWEST PENNSYLVANIA. THIS BAND OF SNOW WAS SINKING SLOWLY SOUTH INTO THE LAKESHORE COUNTIES. SINCE ABOUT 4 PM...1 TO 2 INCHES OF SNOW HAD FALLEN FROM LAKE COUNTY EAST THROUGH NORTHERN ASHTABULA COUNTY. THE WEST END OF THE SNOW BAND WILL DROP THROUGH NORTHERN LORAIN AND CUYAHOGA COUNTIES BY 700 PM. SOME BRIEF BURSTS OF SNOW IN THOSE AREAS COULD REDUCE VISIBILITIES TO LESS THAN 3 MILES A PUT DOWN A COATING OF NEW SNOW. THE SNOW WILL CONTINUE THROUGH THE EVENING HOURS ALONG THE LAKESHORE EAST OF CLEVELAND. SEVERAL INCHES OF NEW SNOW COULD FALL THERE OVERNIGHT. IF YOU NEED TO TRAVEL TONIGHT ALONG THE LAKE ERIE SHORELINE...BE ALERT FOR SLIPPERY DRIVING CONDITIONS. ALSO...YOU MAY WANT TO ALLOW SOME EXTRA TIME TO GET TO YOUR DESTINATION...ESPECIALLY IF YOU ARE TRAVELING TO THE EAST OF CLEVELAND. GABRIC
Special weather statement, Nov 27, 6:00 PM EST, 5 hours 45 minutes before
OHZ011-020-280100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 600 PM EST SAT NOV 27 1993 A MIXTURE OF SNOW...FREEZING RAIN AND RAIN WAS FALLING ACROSS NORTH CENTRAL OHIO THIS EVENING. SPECIAL EVENT OBSERVERS FOR THE NATIONAL WEATHER SERVICE IN BROOKLYN AND GARFIELD HEIGHTS IN THE CLEVELAND AREA REPORTED A MIXTURE OF SNOW AND FREEZING RAIN. THEY REPORTED THAT ICE WAS ACCUMULATING ON EXPOSED SURFACES SUCH AS TREES AND MAIL BOXES. ALSO...SOME SIDEWALKS WERE REPORTED SLIPPERY. A MIXTURE OF PRECIPITATION IS LIKELY TO CHANGE TO ALL SNOW ACROSS NORTH CENTRAL OHIO BEFORE ENDING THIS EVENING. LITTLE OR NO SNOW ACCUMULATION IS EXPECTED...BUT EVEN A THIN COATING OF SNOW OR ICE COULD MAKE THINGS SLIPPERY WITH TEMPERATURES HOVERING AT OR JUST BELOW FREEZING. SOME SLICK SPOTS MAY DEVELOP ON BRIDGES AND OVERPASSES AS WELL AS ON SECONDARY ROADS. AT 600 PM...RADAR INDICATED THE BACK EDGE OF THE PRECIPITATION AREA EXTENDED FROM CENTRAL LAKE ERIE...THROUGH EASTERN LORAIN COUNTY AND WESTERN MEDINA COUNTIES AND THEN SOUTHEAST TO NEAR WOOSTER IN WAYNE COUNTY. THE PRECIPITATION AREA WAS MOVING VERY SLOWLY EAST...SO THE PRECIPITATION SHOULD GRADUALLY END OVER CUYAHOGA AND MEDINA COUNTIES BY 9 PM. GABRIC
Special weather statement, Nov 27, 6:01 PM EST, 5 hours 44 minutes before
OHZ011-020-280100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 600 PM EST SAT NOV 27 1993 A MIXTURE OF SNOW...FREEZING RAIN AND RAIN WAS FALLING ACROSS NORTH CENTRAL OHIO THIS EVENING. SPECIAL EVENT OBSERVERS FOR THE NATIONAL WEATHER SERVICE IN BROOKLYN AND GARFIELD HEIGHTS IN THE CLEVELAND AREA REPORTED A MIXTURE OF SNOW AND FREEZING RAIN. THEY REPORTED THAT ICE WAS ACCUMULATING ON EXPOSED SURFACES SUCH AS TREES AND MAIL BOXES. ALSO...SOME SIDEWALKS WERE REPORTED SLIPPERY. A MIXTURE OF PRECIPITATION IS LIKELY TO CHANGE TO ALL SNOW ACROSS NORTH CENTRAL OHIO BEFORE ENDING THIS EVENING. LITTLE OR NO SNOW ACCUMULATION IS EXPECTED...BUT EVEN A THIN COATING OF SNOW OR ICE COULD MAKE THINGS SLIPPERY WITH TEMPERATURES HOVERING AT OR JUST BELOW FREEZING. SOME SLICK SPOTS MAY DEVELOP ON BRIDGES AND OVERPASSES AS WELL AS ON SECONDARY ROADS. AT 600 PM...RADAR INDICATED THE BACK EDGE OF THE PRECIPITATION AREA EXTENDED FROM CENTRAL LAKE ERIE...THROUGH EASTERN LORAIN COUNTY AND WESTERN MEDINA COUNTIES AND THEN SOUTHEAST TO NEAR WOOSTER IN WAYNE COUNTY. THE PRECIPITATION AREA WAS MOVING VERY SLOWLY EAST...SO THE PRECIPITATION SHOULD GRADUALLY END OVE0R CUYAHOGA AND MEDINA COUNTIES BY 9 PM. GABRIC
Special weather statement, Nov 27, 7:30 PM EST, 4 hours 15 minutes before
OHZ011>013-020-280200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 730 PM EST SAT NOV 27 1993 SNOW WAS FALLING IN THE CLEVELAND AREA THIS EVENING WITH A MIXTURE OF SNOW AND FREEZING RAIN IN LAKE AND GEAUGA COUNTIES. SINCE THE RAIN CHANGED TO SNOW IN THE CLEVELAND AREA LATE THIS AFTERNOON...AROUND 1/2 INCH OF SNOW HAS ACCUMULATED. THIS THIN COATING OF SNOW HAS BEEN SUFFICIENT TO PRODUCE SOME SLICK SPOTS ON THE HIGHWAYS...ESPECIALLY ON SECONDARY ROADS. THE MIXTURE OF PRECIPITATION EAST OF CLEVELAND IN LAKE AND GEAUGA COUNTIES WILL CHANGE TO ALL SNOW BY 9 PM. A THIN COATING OF SNOW IS POSSIBLE IN THAT AREA ALSO. ALSO...A BRIEF PERIOD OF FREEZING RAIN COULD OCCUR. HENCE...SOME HAZARDOUS TRAVEL CONDITIONS ARE POSSIBLE ALL ALONG THE LAKESHORE OF NORTHEAST OHIO THIS EVENING. IF YOU NEED TO TRAVEL TONIGHT...BE ALERT FOR SLIPPERY DRIVING CONDITIONS. ALSO...YOU MAY WANT TO ALLOW SOME EXTRA TIME TO GET TO YOUR DESTINATION. AT 730 PM...RADAR INDICATED THE BACK EDGE OF THE PRECIPITATION AREA EXTENDED FROM CENTRAL LAKE ERIE...SOUTH ALONG THE CUYAHOGA/LORAIN COUNTIES BORDER AND THEN SOUTHEAST ACROSS EASTERN MEDINA COUNTY. THE PRECIPITATION AREA WAS MOVING VERY SLOWLY NORTHEAST...SO THE PRECIPITATION SHOULD GRADUALLY END OVER CUYAHOGA AND MEDINA COUNTIES BY 10 PM AND OVER THE EAST LAKESHORE BY MIDNIGHT. GABRIC
Special weather statement, Nov 27, 7:30 PM EST, 4 hours 15 minutes before
OHZ011>013-020-280200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 730 PM EST SAT NOV 27 1993 SNOW WAS FALLING IN THE CLEVELAND AREA THIS EVENING WITH A MIXTURE OF SNOW AND FREEZING RAIN IN LAKE AND GEAUGA COUNTIES. SINCE THE RAIN CHANGED TO SNOW IN THE CLEVELAND AREA LATE THIS AFTERNOON...AROUND 1/2 INCH OF SNOW HAS ACCUMULATED. THIS THIN COATING OF SNOW HAS BEEN SUFFICIENT TO PRODUCE SOME SLICK SPOTS ON THE HIGHWAYS...ESPECIALLY ON SECONDARY ROADS. THE MIXTURE OF PRECIPITATION EAST OF CLEVELAND IN LAKE AND GEAUGA COUNTIES WILL CHANGE TO ALL SNOW BY 9 PM. A THIN COATING OF SNOW IS POSSIBLE IN THAT AREA ALSO. ALSO...A BRIEF PERIOD OF FREEZING RAIN COULD OCCUR. HENCE...SOME HAZARDOUS TRAVEL CONDITIONS ARE POSSIBLE ALL ALONG THE LAKESHORE OF NORTHEAST OHIO THIS EVENING. IF YOU NEED TO TRAVEL TONIGHT...BE ALERT FOR SLIPPERY DRIVING CONDITIONS. ALSO...YOU MAY WANT TO ALLOW SOME EXTRA TIME TO GET TO YOUR DESTINATION. AT 730 PM...RADAR INDICATED THE BACK EDGE OF THE PRECIPITATION AREA EXTENDED FROM CENTRAL LAKE ERIE...SOUTH ALONG THE CUYAHOGA/LORAIN COUNTIES BORDER AND THEN SOUTHEAST ACROSS EASTERN MEDINA COUNTY. THE PRECIPITATION AREA WAS MOVING VERY SLOWLY NORTHEAST...SO THE PRECIPITATION SHOULD GRADUALLY END OVER CUYAHOGA AND MEDINA COUNTIES BY 10 PM AND OVER THE EAST LAKESHORE BY MIDNIGHT. GABRIC
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 28, 1:50 AM EST | Flash Flood Warning | CLE | Potter | 4 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1993Every flash flood warning in 1993
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.