Alert archive / Ohio / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 120, NWS Wilmington, OH

July 10, 2000Hamilton County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 10, 2000, 8:19 PM EDT for Hamilton County, Ohio. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 10, 2000, 8:19 PM EDT (00:19 UTC)
Expired
Jul 10, 2000, 8:45 PM EDT
In force
26 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Hamilton County, OH

The radar

The Cincinnati radar (KILN), 67 km from the middle of the area, began a volume at 00:22 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.

What was reported inside it

TimeReportWhereRemark
Jul 10, 8:30 PM EDTThunderstorm Wind 50 EForestville, OHStrong winds knocked down several trees, some of which fell across State Route 125.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.3 hours before the alert went out and 69 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 00:00Z on 2000-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1714 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 00:00Z on 2000-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.193958Sfc1 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
1714 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

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.

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 Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 2:59 PM EDT, 5 hours 20 minutes earlier.

Area forecast discussion, Jul 10, 2:59 PM EDT, 5 hours 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
259 PM EDT MON JUL 10 2000

IR SATELLITE IMAGERY SHOWING CLOUD TOPS BEGINNING TO COOL ALONG THE
OHIO RIVER EAST OF CINCINNATI.  KILN SHOWING CELLS BEGINNING TO
BECOME MORE ORGANIZE.  VISIBLE IMAGERY INDICATES SKIES CLEARING
ACROSS NORTHERN IN/IL SOUTH OF COLD FRONT.

MODELS ARE IN GENERAL AGREEMENT.  BUT PREFER THE ETA AS IT SEEMS TO
HAVE A BETTER HANDLE ON CURRENT SURFACE FEATURES AND CLOUD COVER.
IT ALSO IS SLOWER IN PUSHING FRONT AND DRIER AIR OUT OF FA.  IT
APPEARS THAT CONVECTION WILL BE MUCH MORE WIDESPREAD THIS EVENING
AND OVERNIGHT AS WEST TO EAST LOW LEVEL JET SETS UP OVER KY WHICH
WILL CREATE DEEP CONVERGENCE ACROSS THE OHIO RIVER.  THE MAIN THREAT
EVE/OVERNIGHT WILL BE FLOOD WITH PWS ABOVE 2 INCHES AND MEAN STORM
MOTION INDICATING SLOW PROPAGATING AND TRAINING ECHOS POSSIBLE.
WILL GO CATEGORICAL POPS ACROSS THE SOUTH WITH HEAVY RAIN POSSIBLE
AND EVEN SOME FLOODING.  AT THE MOMENT WILL HOLD OFF ON FFA TO SEE
WHERE CONVECTION SETS UP AND THEN ISSUE IF NECESSARY.  AS FAR AS
SEVER WET BULB ZERO IS ABOVE 12 KFT...HOWEVER WITH LARGE CAPES
DOWNBURT POTENTIAL DOES EXIST.  WILL KEEP MENTION OF AFTERNOON
THUNDERSTORMS FOR TUESDAY ACROSS THE SOUTH AS COLD FRONT AND
INSTABILITY IS SLOW TO MOVE SOUTH OF FA.

AS FOR TEMP WENT A COUPLE DEGREES WARMER FOR HIGHS AS NGM SEEMS A
LITTLE TO FAST WITH TAKING WARM FRONT SOU}TH.

MISILN SENT TO ALL.

.ILN...NONE.
 TIPTON

In the hours before

Local storm report, Jul 10, 7:56 PM EDT, 23 minutes before
CLELSRILN ALL
TTAA00 KILN DDHHMM

PRELIMINARY LOCAL STORM REPORT...RETRANSMITTED FOR SPC
NATIONAL WEATHER SERVICE WILMINGTON OH
756 PM EDT MON JUL 10 2000

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0748 PM    FOSTER                    KY   1 INCH HAIL
07/10/00   PENDLETON                      REPORTED BY STORM
                                          SPOTTER.

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 10, 10:38 PM EDTSevere Thunderstorm WarningILNOwen37 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.