Alert archive / West Virginia / Mesoscale Discussions in 2004
Mesoscale Discussion 897
The Storm Prediction Center issued this mesoscale discussion at May 25, 2004, 3:57 PM EDT for 27 counties in Ohio; 12 counties in Pennsylvania; 37 counties in West Virginia. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- May 25, 2004, 3:57 PM EDT (19:57 UTC)
- Expired
- May 25, 2004, 5:00 PM EDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
All 76 counties
Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Cuyahoga County, OH, Gallia County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Holmes County, OH, Jefferson County, OH, Mahoning County, OH, Medina County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Portage County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Washington County, OH, Wayne County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Fayette County, PA, Greene County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, Barbour County, WV, Boone County, WV, Braxton County, WV, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Pocahontas County, WV, Preston County, WV, Putnam County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Pittsburgh radar (KPBZ), 88 km from the middle of the area, began a volume at 19:59 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 nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.0 hours before the alert went out and 93 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1145 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
209 ACUS11 KWNS 251958 SWOMCD SPC MCD 251957 PAZ000-WVZ000-VAZ000-OHZ000-KYZ000-252100- MESOSCALE DISCUSSION 0897 NWS STORM PREDICTION CENTER NORMAN OK 0257 PM CDT TUE MAY 25 2004 AREAS AFFECTED...ERN OH/WRN PA/WV CONCERNING...SEVERE THUNDERSTORM WATCH 285... VALID 251957Z - 252100Z CONTINUE VALID PORTION OF WW 285. AS OF 1950Z...BROKEN LINE OF STRONG TO POTENTIALLY SEVERE STORMS EXTENDED FROM WESTMORELAND COUNTY PA SWWD THROUGH MARION...KANAWHA AND BOONE COUNTIES IN WV. DOWNSTREAM AIRMASS REMAINS MODERATELY UNSTABLE THIS AFTERNOON WITH MLCAPES OF 1000-2000 J/KG AND MODERATELY STRONG UNIDIRECTIONAL WIND PROFILES. THUS...LOCAL ENVIRONMENT REMAINS SUPPORTIVE OF STRONG...PERSISTENT UPDRAFTS WITH LARGE HAIL. MOREOVER...GENERAL INCREASE IN TSTM COVERAGE SUGGESTS AN INCREASE IN COLD POOL PRODUCTION AND INHERENT DAMAGING WIND POTENTIAL...ESPECIALLY ACROSS WV PORTION OF WW. ..MEAD.. 05/25/2004 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...CTP...LWX...RNK...PBZ...RLX...CLE...ILN... 41678211 41687923 37997980 38038258
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 4:00 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Butler, Champaign, Clark, Clermont and 14 more | 3 hr |
| May 25, 5:23 AM EDT | Mesoscale Discussion | SPC | Adams, Brown, Butler, Champaign, Clark, Clermont and 14 more | 97 min |
| May 25, 12:54 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 42 more | 96 min |
| May 25, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 22 more | 7 hr |
| May 25, 5:02 PM EDT | Mesoscale Discussion | SPC | Adams, Brown, Clermont, Clinton, Hamilton, Highland and 8 more | 58 min |
| May 25, 5:30 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Clermont, Scioto | 6 hr |
| May 25, 2:58 PM EDT | Mesoscale Discussion | SPC | Bedford, Blair, Cambria, Fayette, Franklin, Fulton and 4 more | 92 min |
| May 25, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Blair, Cambria, Cumberland and 11 more | 6 hr |
| May 25, 6:09 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bucks, Cambria and 15 more | 2 hr |
Nearby
Mesoscale Discussions in West Virginia, 2004Mesoscale Discussions in Ohio, 2004Mesoscale Discussions in Pennsylvania, 2004Every mesoscale discussion in 2004
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.