Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 261, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 12, 1994, 6:50 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Aug 12, 1994, 6:50 PM EDT (22:50 UTC)
- Expired
- Aug 12, 1994, 7:45 PM EDT
- In force
- 55 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Crawford County, PA, Erie County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.8 hours before the alert went out and 162 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
- 2 J/kg
- Mixed-layer CIN
- -157 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCLE 122253 RRA SVRCLE OHC007-OHZ501-PAC039-049-122345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 650 PM EDT FRI AUG 12 1994 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN OHIO ...ASHTABULA COUNTY AND THE ADJACENT WATERS OF LAKE ERIE IN PENNSYLVANIA ...CRAWFORD COUNTY...ERIE COUNTY AND THE ADJACENT WATERS OF LAKE ERIE AT 650 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ACROSS EASTERN ASHTABULA COUNTY. THESE STORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR...AND THERE IS A HIGH POTENTIAL FOR DAMAGING WINDS WITH THESE STORMS. THE TOWNS OF PLATEA...GIRARD... FAIRVIEW...AND THE CITY OF ERIE ARE IN THE PATH OF THESE STORMS. THESE STORMS DOWNED TREES IN ASHTABULA COUNTY AT 648 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. GERARD &
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, Aug 12, 6:00 PM EDT, 50 minutes before
OHZ039-040-048-049-050-058-059-068-069-076-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 600 PM EDT FRI AUG 12 1994 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHERN OHIO UNTIL 10 PM. SOME CITIES INCLUDED IN THE WATCH AREA ARE ATHENS...CAMBRIDGE CINCINNATI..IRONTON...MARIETTA...PORTSMOUTH...STEUBENVILLE AND ZANESVILLE. AT 550 PM NATIONAL WEATHER SERVICE RADAR SHOWED SCATTERED THUNDERSTORMS NORTH OF A RAVENNA OHIO...SLIPPERY ROCK PENNSYLANIA LINE. AN ISOLATED THUNDERSTORM WAS NEAR THE PITTSBURGH PENNSYLVANIA AIRPORT. A RAIN SHOWER NEAR BEACH CITY AND ANOTHER WAS NEAR WELLSBURG WEST VIRGINIA. THERE WERE ALSO SCATTERED THUNDERSTORMS TO THE WEST OF A LANCASTER...ATHENS LINE. ALL THE STORMS WERE MOVING EASTERLY AROUND 25 MPH. STRONG STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UP TO 40 MPH...VERY HEAVY RAIN...FREQUENT LIGHTNING AND SMALL HAIL. REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINS AND LARGE HAIL. KEEP AN EYE TO THE SKY AND IF THREATENING WEATHER APPROACHES MOVE TO A PLACE OF SAFETY. PLEASE LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. IK
Special weather statement, Aug 12, 6:00 PM EDT, 50 minutes before
OHZ039>041-048>050-054>059-061>088-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 600 PM EDT FRI AUG 12 1994 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHERN AND EAST CENTRAL OHIO UNTIL 10 PM EDT. SOME CITIES IN THIS WATCH ARE CINCINNATI...IRONTON...ATHENS...MARIETTA AND ZANESVILLE. THE SEVERE THUNDERSTORM WATCH IS GENERALLY SOUTH OF A DAYTON...COLUMBUS TO YOUNGSTOWN LINE. NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND AT 555 PM EDT SHOWED SCATTERED THUNDERSTORMS OVER SOUTHERN AND EASTERN OHIO. THE STRONGEST STORMS WERE LOCATED IN HOCKING COUNTY MOVING INTO PERRY COUNTY IN SOUTH CENTRAL OHIO...AND IN EASTERN LAKE COUNTY MOVING INTO ASHTABULA COUNTY IN THE NORTHEAST. THE THUNDERSTORMS WERE MOVING MAINLY NORTHEAST AT 25 MPH. PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD KEEP AN EYE ON THE SKY AND BE READY TO MOVE TO SAFETY IF THREATENING WEATHER MOVES IN. PEOPLE SHOULD ALSO MONITOR NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST STATEMENTS OR WARNINGS. KING
Special weather statement, Aug 12, 6:01 PM EDT, 49 minutes before
OHZ039-040-048-049-050-058-059-068-069-076-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 600 PM EDT FRI AUG 12 1994 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHERN OHIO UNTIL 10 PM. SOME CITIES INCLUDED IN THE WATCH AREA ARE ATHENS...CAMBRIDGE CINCINNATI..IRONTON...MARIETTA...PORTSMOUTH...STEUBENVILLE AND ZANESVILLE. AT 550 PM NATIONAL WEATHER SERVICE RADAR SHOWED SCATTERED THUNDERSTORMS NORTH OF A RAVENNA OHIO...SLIPPERY ROCK PENNSYLANIA LINE. AN ISOLATED THUNDERSTORM WAS NEAR THE PITTSBURGH PENNSYLVANIA AIRPORT. A RAIN SHOWER NEAR BEACH CITY AND ANOTHER WAS NEAR WELLSBURG WEST VIRGINIA. THERE WERE ALSO SCATTERED THUNDERSTORMS TO THE WEST OF A LANCASTER...ATHENS LINE. ALL THE STORMS WERE MOVING EASTERLY AROUND 25 MPH. STRONG STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UP TO 40 MPH...VERY HEAVY RAIN...FREQUENT LIGHTNING AND SMALL HAIL. REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINS AND LARGE HAIL. KEEP AN EYE TO THE SKY AND IF THREATENING WEATHER APPROACHES MOVE TO A PLACE OF SAFETY. PLEASE LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. IK
Special weather statement, Aug 12, 6:02 PM EDT, 48 minutes before
OHZ039>041-048>050-054>059-061>088-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 600 PM EDT FRI AUG 12 1994 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHERN
Special weather statement, Aug 12, 6:46 PM EDT, 4 minutes before
OHZ010>014-020>023-030>033-038-047-PAZ001>003-130000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 646 PM EDT FRI AUG 12 1994 STRONG THUNDERSTORMS WERE MOVING ACROSS NORTHEAST OHIO THIS EVENING. AT 645 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING LINE OF STRONG THUNDERSTORMS FROM WEST OF CONNEAUT IN NORTHEAST ASHTABULA COUNTY TO NORTHERN TRUMBULL COUNTY NEAR WARREN...AND THEN SOUTH TO WESTERN MAHONING COUNTY. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. THESE STORMS HAVE THE CAPABILITY OF PRODUCING TORRENTIAL RAIN...SMALL HAIL...AND WIND GUSTS TO 40 MILES AN HOUR. THESE STORMS WILL BE MOVING INTO THE NORTHWEST PENNSYLVANIA COUNTIES OF ERIE AND CRAWFORD BY 7 PM. IF YOU ARE IN THE PATH OF THESE STORMS...BE ON THE LOOKOUT FOR THREATENING WEATHER. MOVE TO SAFETY IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. GERARD
Special weather statement, Aug 12, 6:47 PM EDT, 3 minutes before
OHZ010>014-020>023-030>033-038-047-PAZ001>003-130000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 646 PM EDT FRI AUG 12 1994 STRONG THUNDERSTORMS WERE MOVING ACROSS NORTHEAST OHIO THIS EVENING. AT 645 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING LINE OF STRONG THUNDERSTORMS FROM WEST OF CONNEAUT IN NORTHEAST ASHTABULA COUNTY TO NORTHERN TRUMBULL COUNTY NEAR WARREN...AND THEN SOUTH TO WESTERN MAHONING COUNTY. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. THESE STORMS HAVE THE CAPABILITY OF PRODUCING TORRENTIAL RAIN...SMALL HAIL...AND WIND GUSTS TO 40 MILES AN HOUR. THESE STORMS WILL BE MOVING INTO THE NORTHWEST PENNSYLVANIA COUNTIES OF ERIE AND CRAWFORD BY 7 PM. IF YOU ARE IN THE PATH OF THESE STORMS...BE ON THE LOOKOUT FOR THREATENING WEATHER. MOVE TO SAFETY IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. GERARD
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:45 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 45 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1994Every severe thunderstorm warning in 1994
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.