Alert archive / Ohio / Flash Flood Warnings in 1995

Flash Flood Warning 108, NWS Wilmington, OH

June 30, 1995Warren County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 30, 1995, 2:58 AM EDT for Warren County, Ohio. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jun 30, 1995, 2:58 AM EDT (06:58 UTC)
Expired
Jun 30, 1995, 8:00 AM EDT
In force
5 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Warren County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 7.0 hours before the alert went out and 53 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, Dayton/James M C, OH at 00:00Z on 1995-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 706 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, Dayton/James M C, OH at 00:00Z on 1995-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
706 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

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 flash flood 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 flash flood warning went out at Jun 30, 2:43 AM EDT, 15 minutes earlier.

Area forecast discussion, Jun 30, 2:43 AM EDT, 15 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
243 AM EDT FRI JUN 30 1995

WV SAT PIX CLEARLY SHOW TWO DISTINCT S/WS...WITH FIST ROTATING EWRD IN
SE LWR MI AND A SECOND WAVE DIVING SE IN NW MN. THIS SECOND WV QUITE
IMPRESSIVE WITH 5H 00Z ANLYS SHOWING 40 KNT N WND BEHIND WV.  MODELS IN
GENERAL AGREEMENT IN TAKING FIRST WV EWRD AWAY FROM FA. KIND 88D
SHOWING SCT PCPN WHICH DUMPED SOME COUPIOUS AMNTS OF RAIN IN WC/CNTRL OH
HAS GREATLY DIMINISHED. 05Z SFC ANLYS SHOWS CLDFRNT INTO EXTREME W IN
AND HAS SHOWN VRY LTL ESTWARD MOVEMENT SINCE 21Z. W/BEST PRES RISES
WELL TO THE N AND W...FEEL FRNT WILL TAKE ITS TIME GETTING THROUGH CWA.

NGM SEEMS TOO QUICK IN BRINING FRNT THRU AND PERFERED SLOWER ETA/AVN
SOLUTION.  USING THE 0 DEG C LAPLACIAN OF TEMP ADV OFF ETA GRIDDED
DATA...WHICH MARKED 06Z FRNT POSITION WELL...LOOKS LIKE FRNT WON/T GO
THRU DAY/CVG UNTIL 22Z TO 00Z.  BASED ON THIS SLOWER MOVEMENT FEEL
MORNING WORDING OF TRW SHOULD BE REMOVED FROM DAY/CMH/CVG ZN FCST.
A LTL CONCERNED SOME LIGHT PRECIP MAY EVEN HANG ARND INTO FRI
EVEN...AS FOUS DATA STILL SPITTING OUT PCPN TOTALS AT DAY THRU 06Z SAT.

SAT LOOKS BETTER...AS 303K ISENTROPIC SFC INDC SINKING MTN ARRIVING.
AS FAR AS TEMPS GO...AGN PERFERED WARMER FWC NMBRS FOR FRI...AND
FAN/FWC CLOSE ON SAT/S COOLER HIGHS SO DIDN/T STRAY TOO MUCH.

CVG 81/61/78 420
CMH 82/62/78 521
DAY 81/60/77

HYSELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:02 PM EDTFlash Flood WarningILNFranklin3 hr
Jun 30, 12:35 AM EDTFlash Flood WarningILNMontgomery2 hr
Jun 30, 1:56 AM EDTFlash Flood WarningILNPickaway4 hr
Jun 30, 3:10 AM EDTFlash Flood WarningILNMontgomery4 hr
Jun 30, 5:53 AM EDTFlash Flood WarningILNPickaway4 hr

Nearby

Flash Flood Warnings in Ohio, 1995Every flash flood warning in 1995

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.