Alert archive / Ohio / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 71, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 25, 2009, 6:17 PM EDT for Coshocton County, Guernsey County, Muskingum County, Ohio. It was in force for 58 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 25, 2009, 6:17 PM EDT (22:17 UTC)
- Expired
- Jun 25, 2009, 7:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
Counties Coshocton County, OH, Guernsey County, OH, Muskingum County, OH
The radar
The Pittsburgh radar (KPBZ), 141 km from the middle of the area, began a volume at 22:18 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 25, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 10.3 hours before the alert went out and 147 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
- 3 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1243 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 25, 3:02 PM EDT, 3 hours 15 minutes earlier.
Area forecast discussion, Jun 25, 3:02 PM EDT, 3 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 302 PM EDT THU JUN 25 2009 .SYNOPSIS... A DISTURBANCE WILL MOVE SOUTHEAST ACROSS THE REGION THIS EVENING. A SLOW MOVING COLD FRONT WILL CROSS THE REGION OVERNIGHT INTO FRIDAY. HIGH PRESSURE WILL THEN BUILD IN SATURDAY...FOLLOWED BY ANOTHER LOW PRESSURE SYSTEM SUNDAY. && .NEAR TERM /THROUGH TONIGHT/... INCREASINGLY UNSTABLE AIRMASS IS IN PLACE THIS EVENING...AS A SHORT WAVE SLIDES SOUTHEAST. STORMS HAVE BEGUN TO INITIATE ACROSS CENTRAL OHIO IN THIS UNSTABLE AIRMASS. THESE STORMS ARE EXPECTED TO MOVE SOUTHEAST INTO CWA...WITH LARGE HAIL AND STRONG WINDS THE PRIMARY HAZARDS...AS CAPES RISE TO AROUND 3000. THE CHANCE FOR TORNADOES HOWEVER IS MINIMAL WITH LITTLE SHEAR THROUGH THE COLLUMN. WITH HIGH PRECIPITABLE WATER VALUES AND A VERY SLOW MOVEMENT TO THE STORMS EXPECTED...HEAVY RAINFALL WILL ALSO NEED TO BE MONITORED...ESPECIALLY IN MORE URBANIZED AREAS. && .SHORT TERM /FRIDAY THROUGH SATURDAY/... MODELS ARE SLOWING THE FRONTAL BOUNDARY FRIDAY...SO HAVE INCREASED POPS FOR SHOWERS AND STORMS. RIDGE BUILDS IN FRIDAY NIGHT AND HOLDS THROUGH SATURDAY. && .LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/... THE NEXT SYSTEM WILL APPROACH FROM THE NORTHWEST LATE SATURDAY NIGHT...AND CROSS DURING THE DAY SUNDAY WITH SHOWERS AND STORMS. UPPER TROUGH BUILDS IN ACROSS THE CENTRAL GREAT LAKES REGION FOLLOWING THIS SYSTEM...THEN VERY SLOWLY MOVES TOWARD NEW ENGLAND BY LATE IN THIS PERIOD. THIS WILL KEEP THE AREA UNSETTLED...WITH TEMPERATURES ABOUT 5 TO 10 DEGREES BELOW NORMAL MONDAY THROUGH THURSDAY. && .AVIATION /19Z THURSDAY THROUGH TUESDAY/... HIGH PRESSURE WILL BRING GENERAL VFR CONDITIONS ACROSS THE UPPER OHIO VALLEY INTO THE WEEKEND...BUT A SLOW MOVING COLD FRONT WILL BRING SHOWERS AND THUNDERSTORMS THIS EVENING WITH OCCASIONAL MVFR TO IFR CONDITIONS IN SHOWERS. CONCUR WITH SPC THERE IS A SLIGHT RISK OF THESE STORMS REACHING SEVERE LIMITS WITH THE MAIN HAZARD WIND GUSTS. HEAVY RAIN ALSO POSSIBLE. CONSEQUENTLY HAVE FORECASTED A 2-3 HOUR PERIOD THIS EVENING OF MVFR THUNDERSTORMS WITH MODERATE RAIN AND WIND GUSTS TO 25 KTS. SURFACE WINDS WILL BE LIGHT IN THE HOURS PRIOR TO THUNDERSTORM DEVELOPEMENT. BRIEF THUNDERSTORM WIND GUSTS MAY GO OVER 35 KTS BUT ONLY 20-25 KTS FORECASTED. THERE MAY BE ANOTHER ROUND OF SCATTERED THUNDERSTORMS FRIDAY EVENING BEFORE SURFACE LAYER DEW POINTS DECREASE SATURDAY. BLEND OF GFS AND ECMWF MODEL RUNS SHOW A CLOSED UPPER LOW MAY BRING MVFR THUNDERSTORMS LATE SUNDAY INTO MONDAY. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
Hazardous weather outlook, Jun 25, 2:22 PM EDT, 3 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 222 PM EDT THU JUN 25 2009 OHZ039>041-048>050-057>059-068-069-261830- TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH- MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE- 222 PM EDT THU JUN 25 2009 ...SEVERE THUNDERSTORM WATCH 510 IN EFFECT UNTIL 10 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. SLOW MOVING THUNDERSTORMS WILL BRING HEAVY DOWNPOURS THAT COULD PRODUCE FLOODING OF STREAMS OR URBAN AREAS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ001-PAZ007>009-013>016-020>023-029>032-WVZ001>004-012-021>023-041- 261830- GARRETT-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- 222 PM EDT THU JUN 25 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...NORTHWEST PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT. THE PRIMARY SEVERE THUNDERSTORM THREAT WILL BE DAMAGING WINDS. SLOW MOVING THUNDERSTORMS COULD PRODUCE HEAVY DOWNPOURS AND POSSIBLE FLOODING OF STREAMS OR URBAN AREAS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Special weather statement, Jun 25, 3:16 PM EDT, 3 hours 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 316 PM EDT THU JUN 25 2009 OHZ039-048-057-252015- COSHOCTON OH-MUSKINGUM OH-TUSCARAWAS OH- 316 PM EDT THU JUN 25 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... MUSKINGUM...COSHOCTON AND TUSCARAWAS... AT 315 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 13 MILES NORTHWEST OF NEW GUILFORD...MOVING SOUTHEAST AT 25 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 40 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... NEW GUILFORD... NELLIE... LAYLAND... BLISSFIELD... WARSAW... COOPERDALE... WEST LAFAYETTE... COSHOCTON... CONESVILLE... BALTIC... BAKERSVILLE... KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. PRECAUTIONARY/PREPAREDNESS ACTIONS... $$ A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR EAST CENTRAL OHIO. &&
Special weather statement, Jun 25, 6:05 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 605 PM EDT THU JUN 25 2009 OHZ048-057-058-252300- COSHOCTON OH-GUERNSEY OH-MUSKINGUM OH- 605 PM EDT THU JUN 25 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... MUSKINGUM...GUERNSEY AND COSHOCTON... AT 604 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 9 MILES NORTHWEST OF DILLON STATE PARK...MOVING SOUTHEAST AT 20 MPH. THESE STORMS WILL CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 40 MPH. IN ADDITION HEAVY RAINFALL COULD PRODUCE PONDING OF WATER. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... DILLON STATE PARK... DRAKE... ZANESVILLE... ADAMSVILLE... FERNCLIFF... RURALDALE... PHILO... NORWICH... NEW CONCORD... HIGH HILL... DUNCAN FALLS... CHANDLERSVILLE... KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. PRECAUTIONARY/PREPAREDNESS ACTIONS... $$ A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR EAST CENTRAL OHIO. &&
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 6:51 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Harrison, Muskingum, Tuscarawas | 54 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2009Every severe thunderstorm warning in 2009
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.