Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 109, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 14, 2000, 4:47 PM EDT for Indiana County, Pennsylvania. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 14, 2000, 4:47 PM EDT (20:47 UTC)
- Expired
- Jun 14, 2000, 5:30 PM EDT
- In force
- 43 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Indiana County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.8 hours before the alert went out and 90 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
- 304 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 3:15 PM EDT, 1 hour 32 minutes earlier.
Area forecast discussion, Jun 14, 3:15 PM EDT, 1 hour 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 315 PM EDT WED JUN 14 2000 HIGH HUMIDITY WILL REMAIN OVER THE OHIO HEADWATERS INTO THURSDAY. SCATTERED THUNDERSTORMS MAY DEVELOP THIS EVENING PER INSTABILITY GENERATED BY EXCESS DAYTIME HEATING. THE MIDWEST SYSTEM MAY GENERATE SCATTERED THUNDERSTORMS LATE TONIGHT...BUT MORE LIKELY DURING THURSDAY. AS THE SYSTEM EXITS...THE THREAT OF STORMS SHOULD ABATE THURSDAY NIGHT FROM PITTSBURGH NORTH. HOWEVER THE AVN HINTS THE THREAT MAY LINGER ALONG THE MASON DIXON LINE INTO FRIDAY AS DEFORMATION MAY KEEP A BOUNDARY OVER THOSE LOCATIONS. FOR THE EXTENDED...AVN AND MRF SHOW A SECOND SYSTEM RENEWING THE THREAT OF THUNDERSTORMS FOR THE WEEKEND...BUT DRIER AIR COULD BE ARRIVING LATE SUNDAY INTO MONDAY. GUIDANCE TEMPERATURES ONLY NEEDED TWEAKING. ..GIORDANO PIT 69 83 64 86 / 30 60 30 20 MGW 70 85 67 85 / 30 60 30 30 .PBZ... MD...xNONE. OH...NONE. PA...NONE. WV...NONE.
In the hours before
Special weather statement, Jun 14, 2:37 PM EDT, 2 hours 10 minutes before
MDZ001-WVZ041-141915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 237 PM EDT WED JUN 14 2000 ...THUNDERSTORM UPDATE... THUNDERSTORMS OVER GARRETT COUNTY MARYLAND AND TUCKER COUNTY WEST VIRGINIA WILL CONTINUE TO DEVELOP DURING THE AFTERNOON AND EARLY EVENING. THESE MOVING THUNDERSTORMS ARE CAPABLE OF PUTTING DOWN HEAVY AMOUNTS OF RAIN IN A SHORT TIME WITH PONDING OF WATER ON ROADWAYS A POSSIBILITY. WIND GUSTS UP TO 40 MPH AND SMALL HAIL ARE ALSO POSSIBLE. THESE STORMS ARE BEING CAUSED BY A STORM SYSTEM WHICH WILL CONTINUE TO BRING SCATTERED THUNDERSTORMS INTO THE REGION DURING THE NEXT COUPLE OF DAYS.
Special weather statement, Jun 14, 2:37 PM EDT, 2 hours 10 minutes before
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</html>Special weather statement, Jun 14, 4:27 PM EDT, 20 minutes before
PAZ016-023-142130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 427 PM EDT WED JUN 14 2000 ..THUNDERSTORM UPDATE... THUNDERSTORMS OVER JEFFERSON AND INDIANA COUNTIES IN WESTERN PENNSYLVANIA WILL CONTAIN WIND GUSTS TO 40 MPH AND SMALL HAIL. HEAVY RAINFALL IN A SHORT PERIOD OF TIME CAN CAUSE PONDING OF WATER ON ROADWAYS. MOVEMENT WAS NORTHEAST AT 35 MPH. THESE STORMS ARE BEING CAUSED BY A STORM SYSTEM WHICH WILLz CONTINUE TO BRING SCATTERED THUNDERSTORMS INTO THE REGION DURING THE NEXT COUPLE OF DAYS.
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2000Every severe thunderstorm warning in 2000
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.