Alert archive / Ohio / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 101, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 29, 2008, 3:20 PM EDT for Carroll County, Columbiana County, Ohio. It was in force for 55 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 29, 2008, 3:20 PM EDT (19:20 UTC)
- Expired
- Jun 29, 2008, 4:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
Counties Carroll County, OH, Columbiana County, OH
The radar
The Pittsburgh radar (KPBZ), 62 km from the middle of the area, began a volume at 19:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 29, 12:11 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.3 hours before the alert went out and 76 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
- 92 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 730 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
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 29, 2:47 PM EDT, 33 minutes earlier.
Area forecast discussion, Jun 29, 2:47 PM EDT, 33 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 247 PM EDT SUN JUN 29 2008 .SYNOPSIS... A COLD FRONT WILL MOVE EAST OF THE REGION THIS EVENING. A MID LEVEL THROUGH OF LOW PRESSURE LOCATED NORTH OF THE GREAT LAKES WILL GENERATE A SERIES OF WAVES THROUGH TUESDAY. A RIDGE OF HIGH PRESSURE WILL THEN BUILD IN FOR TUESDAY NIGHT AND WEDNESDAY. && .NEAR TERM /THROUGH TONIGHT/... CURRENTLY PLACING THE COLD FRONT INTO EAST CENTRAL OHIO...WITH A WEAK SURFACE TROUGH FOLLOWING THAT IN NORTHWEST OHIO. EXPECT MORE SIGNIFICANT STORMS TO REMAIN OUT AHEAD OF THE MAIN FRONT THIS AFTERNOON AND EVENING. TIMING THIS FRONT TO MOVE EAST OF THE CWA AROUND 00Z...WITH A SERIES OF WEAKER TROUGHS FOLLOWING DURING THE OVERNIGHT. OVERNIGHT TEMPERATURES WILL BE NEAR...OR JUST BELOW SEASONAL VALUES. && .SHORT TERM /MONDAY THROUGH MONDAY NIGHT/... MID LEVEL TROUGH SWINGS SOUTHEAST ACROSS THE REGION MONDAY AFTERNOON...WITH COLDER AIR ALOFT INCREASING THUNDERSTORM DEVELOPMENT. WITH THIS COLDER AIR ALOFT...COULD SEE SMALL HAIL IN STORMS MONDAY AFTERNOON. SURFACE RIDGING WILL BUILD NORTHEAST MONDAY NIGHT...HELPING TO SUPPRESS ACTIVITY. WITH THE COOL AIRMASS IN PLACE...TEMPERATURES WILL BE ABOUT 10 TO 15 DEGREES BELOW CLIMATOLOGICAL NORMS. && .LONG TERM /TUESDAY THROUGH SUNDAY/... HIGH PRESSURE SHOULD HOLD FOR THE PERIOD FROM TUESDAY THROUGH WEDNESDAY...WITH A COLD FRONT DROPPING DOWN FROM THE NORTH WEDNESDAY NIGHT...AND CROSSING ON THURSDAY. THIS BOUNDARY WILL LINGER JUST TO THE SOUTH OF THE CWA THROUGH THE WEEKEND...PROVIDING SOME FOCUS FOR STORM PRODUCTION. TEMPERATURES WILL RECOVER TO NEAR NORMAL BY THE WEEKEND. && .AVIATION /18Z SUNDAY THROUGH FRIDAY/... AT 18Z COLD FRONT APPEARS TO BE ON A CLE-CMH-DAY LINE. AT CURRENT RATE OF MOVEMENT EXPECT LINE TO BE ON ALINE FROM BFD-PIT-PKB BY 21Z AND EAST OF CWA BY 00Z. LINES OF THUNDERSTORMS WITH LARGE HAIL AND ISOLATED DAMAGING WINDS EAST OF FRONT. OUTSIDE OF THUNDERSTORMS CONDITIONS GENERALLY VFR WITH CIGS 030-040 AND VSBY UNLIMITED. CONDITIONS BRIEFLY LOWERING TO IFR IN TSTMS WITH POSSIBLE GUST TO 50KTS. BEHIND COLD FRONT CIGS 040-070 WITH UNLIMITED VISIBILITY. EXPECT STRATOCU CIGS AOB 010 TO DEVELOP AFT 08Z WITH VSBY AOB 3 MILES FOG. CONDITIONS WILL BE SLOW TO IMPROVE WITH GENERAL MVFR CONDITIONS AFT 15Z. SCTD SHOWERS AND THUNDERSTORMS WILL DEVELOP MONDAY AFTN WITH GUSTY WINDS AND SMALL HAIL POSSIBLE. HIGH PRESSURE BUILDS IN MONDAY NIGHT WITH VFR CONDITIONS THROUGH WEDNESDAY. COLD FRONT MOVES SOUTHEAST FROM GREAT LAKES THURSDAY WITH SCTD THUNDERSTORMS. FRONT STALLS ACROSS SOUTHERN WV THURSDAY NIGHT WITH MVFR CONDS PERSISTING INTO FRIDAY MORNING. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
Hazardous weather outlook, Jun 29, 4:50 AM EDT, 10 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 450 AM EDT SUN JUN 29 2008 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-300900- GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON- JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO- FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY- ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-FAYETTE-HANCOCK- BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-PRESTON-TUCKER- 450 AM EDT SUN JUN 29 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT. THE PRIMARY SEVERE WEATHER THREAT WILL BE DAMAGING THUNDERSTORMS WINDS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Jun 29, 1:54 PM EDT, 1 hour 26 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 10:49 AM EDT | Flash Flood Warning | PBZ | Washington | 52 min |
| Jun 29, 12:53 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 67 min |
| Jun 29, 1:07 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 53 min |
| Jun 29, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 57 min |
| Jun 29, 2:45 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 60 min |
| Jun 29, 3:01 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Jefferson | 59 min |
| Jun 29, 4:21 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 39 min |
| Jun 29, 4:57 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 48 min |
| Jun 29, 5:16 PM EDT | Tornado Warning | PBZ | Allegheny, Washington | 29 min |
| Jun 29, 5:37 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Washington, Westmoreland | 53 min |
| Jun 29, 5:41 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 64 min |
| Jun 29, 6:19 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 56 min |
| Jun 29, 6:31 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 29 min |
| Jun 29, 6:38 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 51 min |
| Jun 29, 7:23 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 41 min |
| Jun 29, 7:55 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Indiana, Washington, Westmoreland | 65 min |
| Jun 29, 11:30 AM EDT | Flash Flood Warning | PBZ | Coshocton | 2 hr |
| Jun 29, 1:17 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 58 min |
| Jun 29, 1:30 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Harrison | 60 min |
| Jun 29, 3:28 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Guernsey, Harrison, Noble | 62 min |
| Jun 28, 9:53 PM EDT | Areal Flood Advisory | PBZ | Marion, Monongalia, Preston, Tucker | 3 hr |
| Jun 29, 10:44 AM EDT | Flash Flood Warning | PBZ | Marshall | 3 hr |
Nearby
Severe Thunderstorm Warnings in Ohio, 2008Every severe thunderstorm warning in 2008
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; radar from the NEXRAD Level II archive.