Alert archive / Ohio / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 540

July 10, 20014 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 10, 2001, 4:00 PM EDT for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jul 10, 2001, 4:00 PM EDT (20:00 UTC)
Expired
Jul 10, 2001, 11:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
All 91 counties

Garrett County, MD, Allen County, OH, Ashland County, OH, Athens County, OH, Auglaize County, OH, Belmont County, OH, Butler County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Coshocton County, OH, Crawford County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Guernsey County, OH, Hancock County, OH, Hardin County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Meigs County, OH, Mercer County, OH, Miami County, OH, Monroe County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Paulding County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Ross County, OH, Shelby County, OH, Tuscarawas County, OH, Union County, OH, Van Wert County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Wayne County, OH, Wyandot County, OH, Allegheny County, PA, Fayette County, PA, Greene County, PA, Washington County, PA, Westmoreland County, PA, Barbour County, WV, Braxton County, WV, Brooke County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Pendleton County, WV, Pleasants County, WV, Preston County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Upshur County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Cincinnati radar (KILN), 133 km from the middle of the area, began a volume at 19:54 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.

Warnings issued inside it

25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jul 10, 4:14 PM EDTSevere Thunderstorm WarningCLEHancock46 min
Jul 10, 4:14 PM EDTSevere Thunderstorm WarningPBZCarroll31 min
Jul 10, 4:21 PM EDTSevere Thunderstorm WarningIWXAllen29 min
Jul 10, 4:26 PM EDTSevere Thunderstorm WarningPBZWashington34 min
Jul 10, 4:31 PM EDTSevere Thunderstorm WarningPBZGarrett29 min
Jul 10, 4:33 PM EDTSevere Thunderstorm WarningIWXVan Wert27 min
Jul 10, 4:41 PM EDTTornado WarningPBZGarrett49 min
Jul 10, 4:45 PM EDTSevere Thunderstorm WarningCLEMarion45 min
Jul 10, 4:47 PM EDTSevere Thunderstorm WarningIWXAllen33 min
Jul 10, 5:01 PM EDTSevere Thunderstorm WarningPBZFayette, Washington59 min
Jul 10, 5:21 PM EDTSevere Thunderstorm WarningILNAuglaize39 min
Jul 10, 5:40 PM EDTSevere Thunderstorm WarningPBZGreene65 min
Jul 10, 5:42 PM EDTSevere Thunderstorm WarningPBZMarshall63 min
Jul 10, 5:44 PM EDTFlash Flood WarningPBZWashington3 hr
Jul 10, 6:10 PM EDTSevere Thunderstorm WarningPBZMonongalia, Wetzel65 min
Jul 10, 6:43 PM EDTSevere Thunderstorm WarningPBZMarion62 min
Jul 10, 7:12 PM EDTSevere Thunderstorm WarningPBZPreston48 min
Jul 10, 7:26 PM EDTSevere Thunderstorm WarningPBZTucker49 min
Jul 10, 7:42 PM EDTFlash Flood WarningPBZMarion3 hr
Jul 10, 8:07 PM EDTFlash Flood WarningRLXTaylor3 hr
Jul 10, 8:59 PM EDTSevere Thunderstorm WarningRLXTaylor31 min
Jul 10, 9:32 PM EDTSevere Thunderstorm WarningPBZJefferson43 min
Jul 10, 9:53 PM EDTSevere Thunderstorm WarningPBZBrooke, Ohio52 min
Jul 10, 9:59 PM EDTFlash Flood WarningPBZMarion3 hr
Jul 10, 10:37 PM EDTFlash Flood WarningRLXTaylor2 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.0 hours before the alert went out and 131 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2001-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 184 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2001-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
184 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1296 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 10, 1:45 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 11 more7 hr
Jul 10, 3:00 PM EDTSevere Thunderstorm WatchSPCCarbon, Monroe, Pike, Wayne5 hr

Nearby

Severe Thunderstorm Watches in Ohio, 2001Severe Thunderstorm Watches in West Virginia, 2001Severe Thunderstorm Watches in Pennsylvania, 2001Every severe thunderstorm watch in 2001

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.