Alert archive / Ohio / Flash Flood Warnings in 1997
Flash Flood Warning 102, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jul 22, 1997, 9:13 PM EDT for Hamilton County, Ohio. It was in force for 107 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
- Jul 22, 1997, 9:13 PM EDT (01:13 UTC)
- Expired
- Jul 22, 1997, 11:00 PM EDT
- In force
- 107 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Hamilton County, OH
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.2 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.
- Mixed-layer CAPE
- 1057 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 584 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 230113 FFWILN OHC061-230300- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 913 PM EDT TUE JUL 22 1997 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS EFFECTIVE UNTIL 1100 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST OHIO ...HAMILTON COUNTY AT 910 PM NATIONAL WEATHER RADAR ESTIMATED THAT OVER 2.5 INCHES OF RAIN HAD FALLEN IN THE NORTHEASTERN PART OF THE COUNTY SINCE 800 PM AND REPORTS INDICATE THAT SOME STREET FLOODING WAS OCCURRING. SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL ARE EXPECTED TO CONTINUE THROUGH 1100 PM ACROSS NORTHERN HAMILTON COUNTY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. WILKINSO N
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 Jul 22, 8:50 PM EDT, 23 minutes earlier.
Area forecast discussion, Jul 22, 8:50 PM EDT, 23 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 849 PM EDT TUE JUL 22 1997 00Z SFC ANALYSIS INDICATED WK FNT/WIND SHIFT LINE FM VC KHAO AND S OF KILN TO N OF PORTSMOUTH. THE LAST FEW HRS TSRA ACTIVITY HAD DEVELOPED ALONG THIS BOUNDARY WITH KILN 88D ESTIMATING 1.5 INCHES AN HR IN SWRN WARREN COUNTY OHIO. KILN SOUNDING INDICATES PW'S OF 1.8 INCHES SUGGESTING ISOLD AREAS WL CONT TO RECIVE LOCALLY +RA. BOUNDARY NOT EXPECTED TO SINK VERY FAR SWD SO SCT SHRA/TSRA OVR SRN FA WL CONT OVERNIGHT. SML CHC SHRA LOOKS GOOD FOR NRN FA. WILKINSON
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:57 PM EDT | Flash Flood Warning | ILN | Warren | 2 hr |
| Jul 22, 9:42 PM EDT | Flash Flood Warning | ILN | Butler | 2 hr |
| Jul 23, 3:51 PM EDT | Severe Thunderstorm Warning | ILN | Pike | 44 min |
Nearby
Flash Flood Warnings in Ohio, 1997Every flash flood warning in 1997
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.