Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 294, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 9, 1994, 1:02 PM EDT for Crawford County, Pennsylvania. It was in force for 23 min.
The area
The counties it named.
The facts
- Issued
- Sep 9, 1994, 1:02 PM EDT (17:02 UTC)
- Expired
- Sep 9, 1994, 1:25 PM EDT
- In force
- 23 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 5.0 hours before the alert went out and 142 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
- 5 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 1030 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 65 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 091704 RRA SVRCLE PAC039-091745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 102 PM EDT FRI SEP 9 1994 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN PENNSYLVANIA ...CRAWFORD COUNTY AT 100 PM...DOPPLER RADAR IN CLEVELAND INDICATED A SEVERE THUNDERSTORM TO THE EAST OF MEADVILLE NEAR GUYS MILLS. THE STORM WAS MOVING SOUTHEAST AT 25 MPH. SEVERE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS... FREQUENT LIGHTNING AND HEAVY RAINS WHICH MAY CAUSE FLOODING OF DRAINAGE SYSTEMS. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. GABRIC
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, Sep 9, 12:21 PM EDT, 41 minutes before
PAZ001>003-091800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1221 PM EDT FRI SEP 9 1994 STRONG THUNDERSTORMS HAD DEVELOPED OVER NORTHWEST PENNSYLVANIA. AT 1220 PM...DOPPLER RADAR IN CLEVELAND INDICATED A STRONG THUNDERSTORM OVER CRAWFORD COUNTY PENNSYLVANIA TO THE NORTH OF MEADEVILLE. THE STORM WAS MOVING SOUTHEAST AROUND 25 MPH AND WILL CROSS THE REMAINDER OF CRAWFORD COUNTY BY 120 PM. THIS STORM WILL PRODUCE BRIEF HEAVY RAIN...GUSTY WINDS AND SMALL HAIL. IF THREATENING WEATER APPROACHES...GO INSIDE TO THE LOWER LEVELS OF A SUBSTANTIAL BUILDING. LISTEN TO NOAA WEATHER RADIO FOR UPDATES. GABRIC
Special weather statement, Sep 9, 12:23 PM EDT, 39 minutes before
PAZ001>003-091800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1221 PM EDT FRI SEP 9 1994 STRONG THUNDERSTORMS HAD DEVELOPED OVER NORTHWEST PENNSYLVANIA. AT 1220 PM...DOPPLER RADAR IN CLEVELAND INDICATED A STRONG THUNDERSTORM OVER CRAWFORD COUNTY PENNSYLVANIA TO THE NORTH OF MEADEVILLE. THE STORM WAS MOVING SOUTHEAST AROUND 25 MPH AND WILL CROSS THE REMAINDER OF CRAWFORD COUNTY BY 120 PM. THIS STORM WILL PRODUCE BRIEF HEAVY RAIN...GUSTY WINDS AND SMALL HAIL. IF THREATENING WEATER APPROACHES...GO INSIDE TO THE LOWER LEVELS OF A SUBSTANTIAL BUILDING. LISTEN TO NOAA WEATHER RADIO FOR UPDATES. GABRIC
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.