Alert archive / Ohio / Flash Flood Warnings in 2002
Flash Flood Warning 9, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Apr 19, 2002, 8:37 PM EDT for Champaign County, Logan County, Ohio. It was in force for 113 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 19, 2002, 8:37 PM EDT (00:37 UTC)
- Expired
- Apr 19, 2002, 10:30 PM EDT
- In force
- 113 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Champaign County, OH, Logan County, OH
The radar
The Cincinnati radar (KILN), 94 km from the middle of the area, began a volume at 00:38 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 00:00Z, 0.6 hours before the alert went out and 93 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
- 175 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 935 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KILN 200037 FFWILN OHC021-091-200230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 836 PM EDT FRI APR 19 2002 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLASH FLOOD WARNING FOR... LOGAN COUNTY IN WEST CENTRAL OHIO... CHAMPAIGN COUNTY IN WEST CENTRAL OHIO... * UNTIL 1030 PM EDT... * WEATHER SERVICE RADAR INDICATED VERY HEAVY RAIN OVER SOUTHWEST LOGAN AND NORTHWEST CHAMPAIGN COUNTIES. RADAR ESTIMATES INDICATED THAT AT LEAST 3 INCHES OF RAIN HAS FALLEN SINCE 7 PM...WITH AN ADDITIONAL ONE TO TWO INCHES EXPECTED THROUGH 9 PM. * SOME LOCATIONS IN THE WARNING AREA INCLUDE... DE GRAFF... QUINCY... BELLEFONTAINE... ROSEWOOD... URBANA... A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. $$ DIAN-REED
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 8:08 PM EDT | Severe Thunderstorm Warning | ILN | Champaign | 67 min |
Nearby
Flash Flood Warnings in Ohio, 2002Every flash flood warning in 2002
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.