Alert archive / Indiana / Flash Flood Warnings in 1998
Flash Flood Warning 37, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Apr 26, 1998, 5:07 PM EST for Fayette County, Franklin County, Union County, Indiana. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1998, 5:07 PM EST (22:07 UTC)
- Expired
- Apr 26, 1998, 7:05 PM EST
- In force
- 118 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Fayette County, IN, Franklin County, IN, Union County, IN
The radar
The Indianapolis radar (KIND), 106 km from the middle of the area, began a volume at 22:09 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.1 hours before the alert went out and 109 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
- 1110 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 488 m²/s²
- 0-3 km storm-relative helicity
- 480 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 26, 1:43 PM EST, 3 hours 24 minutes earlier.
Area forecast discussion, Apr 26, 1:43 PM EST, 3 hours 24 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 243 PM EDT SUN APR 26 1998 19Z SFC ANALYSIS INDICATED THE FRONTAL BOUNDARY SLOWLY SINKING SWD ACROSS CNTRL OH. KILN 88D SHOWED DEVELOPING TSRA ON BOTH SIDES OF THE FRONTAL BOUNDARY WHERE THE SFC RUC SHOWED CAPES NR 1000 J/KG. THE HIGHEST CAPES WERE A RESULT OF DEWPOINTS POOLING ALONG THE FRONT. AN UNSTABE ATMOSPHERE WL STILL BE PRESENT BOTH N AND S OF THE FNT AT 00Z. MODELS SHOW STRONG LLVL CONVERGENCE ALONG THE FRONT AND SOME UPPER LVL DIVERGENCE. THUS...WOULD PREFER TO KEEP EVENING TSRA IN FCST FOR ALL OF FA...THEN JUST -SHRA AFT MIDNIGHT. FNT WL DROP QUICKLY SWD OVERNIGHT SO PRECIP WL END FM N TO S. SKIES WL BE CLEARING EARLY MON ACROSS NRN FA AND WL SPREAD SWD THRU THE AM HOURS. SUGGEST A MENTION OF AM CLOUDS IN THE SRN FA WITH M/SUNNY OTHERWISE. MON NIGHT AND TUE SHOULD BE DRY AND M/CLR. MOS TEMPS LOOK REASONABLE. WILKINSON
Nearby
Flash Flood Warnings in Indiana, 1998Every flash flood warning in 1998
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.