Alert archive / Ohio / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 239, NWS Wilmington, OH

July 7, 1996Hamilton County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 7, 1996, 7:29 PM EDT for Hamilton County, Ohio. It was in force for 31 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 7, 1996, 7:29 PM EDT (23:29 UTC)
Expired
Jul 7, 1996, 8:00 PM EDT
In force
31 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 23:31 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 7, 7:40 PM EDTHail 0.75Mt Healthy, OH

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 12:00Z, 11.5 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 12:00Z on 1996-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1537 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 7, 3:08 PM EDT, 4 hours 21 minutes earlier.

Area forecast discussion, Jul 7, 3:08 PM EDT, 4 hours 21 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
305 PM EDT SUN JUL 7 1996

WL AGREE WITH NGM SINCE ONLY MODEL AVAILABLE TO TOTALLY PERUSE.
REALLY MISSING ADAP PRODUCTS FOR SHORT TERM TRENDS.  NGM DEPICTS
STRONG FLOW ACROSS S CANADA INTO GT LKS NEXT 48 HRS.  WK FNT/TROF
WL CONTINUE TO WEAKEN AS IT MVS SE TNGT AND SHOULD BE MAINLY WIND
SHIFT FOR FA.  CU FIELD BLOSSOMING OVER THE REGION WITH DAYTIME
HTG BUT EARLIER CLDS HAVE RETARDED CU FORMATION SOMEWHAT OVER
SE IN...N KY AND S OH ATTM.

WITH FNT WEAKENG AND WASHG OUT ACROSS FA...WL FOCUS ON SCT ACTIVITY
OUT THERE NOW ACROSS N IN TO MOVE INTO NW/WC OH.  COULD BE ISOL-
WDLY SCT TSTMS ELSEWHERE THIS EVENG SO WL KEEP LOW 20-30 PCT EARLY.

ON MON MUCH OF THE FA WL BE DRY THRU THE AFT AS MAJOR FNT COMES DOWN
FM THE UPPER MIDWEST.  70+ DWPTS AND MDT UNSTABLE ATM IN PLACE FOR
FNTL LIFT MON NGT.  TSTM ACTIVITY MAY MAKE IT INTO WC OH BY LT AFT
SO WL INCLUDE POP FOR THAT TIME.  AREAL CVRG DIFFICULT TO NAIL DOWN
WITH FNT SO WL BE CONSERVATIVE AND KEEP 40 PCT POPS.  BETTER
CHC FOR SVR WX MON NGT.

WL END PCPN SOON AFTER FROPA AND KEEP C OH NWRD DRY WHILE ENDG
PCPN IN THE S DURG THE MORNG.

WL MAKE MINOR CHANGES TO F^WC TEMPS...HOWEVER WL BRING TUE HIGHS
LWR BEHIND INTENSIFYING FNT.

CVG 70/90/68/81
DAY 69/90/66/80
CMH 67/90/66/80

SANDLER

In the hours before

Special weather statement, Jul 7, 5:00 PM EDT, 2 hours 29 minutes before
OHZ015-016-024>026-034-035-042>044-080300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
500 PM EDT SUN JUL 7 1996

...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF WEST CENTRAL OHIO
   AND THE NORTHERN MIAMI VALLEY UNTIL 11 PM EDT...

THE STORM PREDICTION CENTER IN KANSAS CITY HAS ISSUED A SEVERE
THUNDERSTORM WATCH UNTIL 11 PM EDT FOR WEST CENTRAL OHIO AND
THE NORTHERN MIAMI VALLEY. STRONG THUNDERSTORMS WERE DEVELOPING
AHEAD OF COLD FRONT ACROSS NORTHERN INDIANA. THESE STORMS WILL
MOVE INTO WEST CENTRAL OHIO AND THE NORTHERN MIAMI VALLEY BY 6 PM.

SOME CITIES IN THE WATCH INCLUDE...LIMA...VAN WERT...CELINA AND
PAULDING.

REMEMBER...A WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER
IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON
THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

RANDALL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 6:29 PM EDTSevere Thunderstorm WarningILNButler31 min
Jul 7, 6:49 PM EDTSevere Thunderstorm WarningILNHamilton41 min
Jul 7, 6:58 PM EDTSevere Thunderstorm WarningILNButler32 min
Jul 7, 7:31 PM EDTSevere Thunderstorm WarningILNButler29 min
Jul 7, 7:37 PM EDTSevere Thunderstorm WarningILNWarren23 min
Jul 7, 7:55 PM EDTFlash Flood WarningILNHamilton2 hr
Jul 7, 7:58 PM EDTSevere Thunderstorm WarningILNClinton32 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1996Every severe thunderstorm warning in 1996

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.