Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 203, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 11, 1995, 11:01 AM EDT for Crawford County, Pennsylvania. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Aug 11, 1995, 11:01 AM EDT (15:01 UTC)
- Expired
- Aug 11, 1995, 11:46 AM EDT
- In force
- 45 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 3.0 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
- 1671 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 673 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 115 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 111503 RRA SVRCLE PAC039-111600- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 1101 AM EDT FRI AUG 11 1995 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS EXTENDED THE SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL NOON EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN PENNSYLVANIA ...CRAWFORD COUNTY AT 11 AM NWS DOPPLER RADAR CONTINUED TO INDICATE SEVERE THUNDERSTORMS MOVING ACROSS CRAWFORD COUNTY PA FROM SHERMANVILLE THROUGH MEADVILLE TO COCHRANTON. THESE STORMS WERE MOVING SOUTH AT 20 MPH... AND HAVE THE POTENTIAL TO PRODUCE LARGE HAIL...WINDS IN EXCESS OF 50 MPH...AND FLOODING RAINS. 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. 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 11, 7:28 AM EDT, 3 hours 33 minutes before
OHZ010>014-020>023-030>033-038-047-PAZ001>003-121200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE CLEVELAND OH 728 AM EDT FRI AUG 11 1995 SEVERE THUNDERSTORMS ARE POSSIBLE OVER NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA TODAY AND TONIGHT. THE NATIONAL SEVERE STORMS FORECAST CENTER INDICATES THAT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTHWEST PENNSYLVANIA AND NORTHEAST OHIO TODAY AND TONIGHT. STRONG THUNDERSTORMS MOVING SOUTHEAST OUT OF ONTARIO MAY AFFECT NORTHWEST PENNSYLVANIA THIS MORNING. SCATTERED THUNDERSTORMS COULD THEN REDEVELOP ACROSS NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA THIS AFTERNOON IN THE HEAT OF THE DAY...AND FINALLY CONDITIONS APPEAR FAVORABLE FOR THE POSSIBILITY OF A ROUND OF THUNDERSTORMS ACROSS THE REGION LATE TONIGHT. CONDITIONS ARE SUCH THAT SOME OF THESE STORMS COULD BE SEVERE...PRODUCING LARGE HAIL OR DAMAGING WINDS IN EXCESS OF 50 MPH. PEOPLE IN NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA SHOULD KEEP AN EYE TO THE SKY AND LISTEN FOR LATER STATEMENTS CONCERNING THIS WEATHER SITUATION. GERARD
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 8:43 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 62 min |
| Aug 11, 9:12 AM EDT | Tornado Warning | CLE | Erie | 63 min |
| Aug 11, 9:52 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 68 min |
| Aug 11, 10:00 AM EDT | Flash Flood Warning | CLE | Erie | 2 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1995Every severe thunderstorm warning in 1995
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.