Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 99, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jul 26, 1993, 4:22 PM EDT for Cameron County, Pennsylvania. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Jul 26, 1993, 4:22 PM EDT (20:22 UTC)
- Expired
- Jul 26, 1993, 5:30 PM EDT
- In force
- 68 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Cameron County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.4 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
- 86 J/kg
- Mixed-layer CIN
- -322 J/kg
- Mixed-layer LCL
- 1613 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KERI 262023 SVRCLE PAC023-262130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ERIE PA 422 PM EDT MON JUL 26 1993 THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM EDT FOR THE FOLLOWING LOCATION... IN NORTHWEST PENNSYLVANIA ...CAMERON COUNTY AT 315 PM WEATHER RADAR SHOWED A SEVERE THUNDERSTORM IN THE NORTHEAST CORNER OF ELK COUNTY IN THE NORTH CENTRAL MOUNTAINS OF WESTERN PENNSYLVANIA. THIS SEVERE STORM IS MOVING TOWARDS THE EAST SOUTHEAST AT 30 MILES AN HOUR AND WILL BE ENTERING NORTHERN CAMERON COUNTY BY 430 PM. THIS SEVERE STORM PRODUCED DAMAGING WINDS CAUSING TREES AND POWERLINES TO BE DOWNED ALONG ROUTE 219 NORTHEAST OF WILCOX IN NORTHERN ELK COUNTY. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. &
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Jul 26, 1:39 PM EDT, 2 hours 43 minutes before
OHZ004-PAZ003-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 139 PM EDT MON JUL 26 1993 A STRONG THUNDERSTORM WAS MOVING THROUGH NORTHEASTERN MERCER COUNTY THIS AFTERNOON. AT 135 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM IN NORTHEAST MERCER COUNTY. THIS STORM WAS MOVING SOUTHEAST AT 25 MPH AND SHOULD MOVE INTO VENANGO COUNTY BY 200 PM. THIS STORM MAY PRODUCE WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING AND SMALL HAIL. PEOPLE IN THE PATH OF THIS STORM SHOULD STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES. WILKINSON
Special weather statement, Jul 26, 1:40 PM EDT, 2 hours 42 minutes before
OHZ004-PAZ003-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 139 PM EDT MON JUL 26 1993 A STRONG THUNDERSTORM WAS MOVING THROUGH NORTHEASTERN MERCER COUNTY THIS AFTERNOON. AT 135 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM IN NORTHEAST MERCER COUNTY. THIS STORM WAS MOVING SOUTHEAST AT 25 MPH AND SHOULD MOVE INTO VENANGO COUNTY BY 200 PM. THIS STORM MAY PRODUCE WIND GUSTS TO 40 MPH...FREQUENTd LIGHTNING AND SMALL HAIL. PEOPLE IN THE PATH OF THIS STORM SHOULD STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES. WILKINSON
Special weather statement, Jul 26, 1:48 PM EDT, 2 hours 34 minutes before
OHZ004-PAZ003-261830- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE YOUNGSTOWN OH 148 PM EDT MON JUL 26 1993 A STRONG THUNDERSTORM WAS MOVING THROUGH NORTHEASTERN MERCER COUNTY THIS AFTERNOON. AT 135 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM IN NORTHEAST MERCER COUNTY. THIS STORM WAS MOVING SOUTHEAST AT 25 MPH AND SHOULD MOVE INTO VENANGO COUNTY BY 200 PM. THIS STORM MAY PRODUCE WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING AND SMALL HAIL. PEOPLE IN THE PATH OF THIS STORM SHOULD STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES. WILKINSON ...CORRECTED TO FIX VALID TIMES...
Special weather statement, Jul 26, 1:48 PM EDT, 2 hours 34 minutes before
OHZ004-PAZ003-261830- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE YOUNGSTOWN OH 148 PM EDT MON JUL 26 1993 A STRONG THUNDERSTORM WAS MOVING THROUGH NORTHEASTERN MERCER COUNTY THIS AFTERNOON. AT 135 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM IN NORTHEAST MERCER COUNTY. THIS STORM WAS MOVING SOUTHEAST AT 25 MPH AND SHOULD MOVE INTO VENANGO COUNTY BY 200 PM. THIS STORM MAY PRODUCE WIND GUSTS TO 4z0 MPH...FREQUENT LIGHTNING AND SMALL HAIL. PEOPLE IN THE PATH OF THIS STORM SHOULD STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES. WILKINSON ...CORRECTED TO FIX VALID TIMES...
Special weather statement, Jul 26, 3:07 PM EDT, 1 hour 15 minutes before
OHZ004-007-262030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 306 PM EDT MON JUL 26 1993 THUNDERSTORMS WERE DROPPING HEAVY RAINS OVER EAST-CENTRAL OHIO THIS AFTERNOON. RADAR AT 300 PM INDICATED AN AREA OF STRONG THUNDERSTORMS FROM 10 MILES SOUTH OF CAMBRIDGE TO 15 MILES NORTHWEST OF GALIPOLIS. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH AND WILL BE CROSSING NOBLE ...MONROE AND WASHINGTON COUNTIES BETWEEN 300 AND 430 PM. THOSE ALONG THEIR PATH CAN EXPECT BRIEF HEAVY DOWNPOURS...WIND GUSTS TO ABOUT 40 MPH AND POSSIBLY SMALL HAIL. SHOULD CONDITIONS BECOME THREATENING...MOVE TO A PLACE OF SAFETY UNTIL THE STORMS HAVE PASSED. RLB
Special weather statement, Jul 26, 3:07 PM EDT, 1 hour 15 minutes before
OHZ004-007-262030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 306 PM EDT MON JUL 26 1993 THUNDERSTORMS WERE DROPPING HEAVY RAINS OVER EAST-CENTRAL OHIO THIS AFTERNOON. RADAR AT 300 PM INDICATED AN AREA OF STRONG THUNDERSTORMS FROM 10 MILES SOUTH OF CAMBRIDGE TO 15 MILES NORTHWEST OF GALIPOLIS. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH AND WILL BE CROSSING NOBLE ...MONROE AND WASHINGTON COUNTIES BETWEEN 300 AND 430 PM. THOSE ALONG THEIR PATH CAN EXPECT BRIEF HEAVY DOWNPOURS...WIND GUSTS TO ABOUT 40 MPH AND POSSIBLY SMALL HAIL. SHOULD CONDITIONS BECOME THREATENING...MOVE TO A PLACE OF SAFETY UNTIL THE STORMS HAVE PASSED. RLB
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:09 PM EDT | Severe Thunderstorm Warning | CLE | Warren | 66 min |
| Jul 26, 3:07 PM EDT | Severe Thunderstorm Warning | CLE | McKean | 68 min |
| Jul 26, 3:42 PM EDT | Severe Thunderstorm Warning | CLE | Elk | 63 min |
| Jul 26, 4:36 PM EDT | Severe Thunderstorm Warning | CLE | Forest | 69 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1993Every severe thunderstorm 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.