Alert archive / Ohio / Flash Flood Warnings in 1998
Flash Flood Warning 65, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at May 4, 1998, 10:06 AM EDT for Coshocton County, Ohio. It was in force for 114 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
- May 4, 1998, 10:06 AM EDT (14:06 UTC)
- Expired
- May 4, 1998, 12:00 PM EDT
- In force
- 114 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Coshocton County, OH
The radar
The Cleveland radar (KCLE), 124 km from the middle of the area, began a volume at 14:10 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
Pittsburgh, PA (KPIT), launched 12:00Z, 2.1 hours before the alert went out and 155 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 041411 RRA FFWPIT OHC031-051600- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 1006 AM EDT MON MAY 4 1998 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A * FLOOD WARNING FOR... COSHOCTON COUNTY IN EAST CENTRAL OHIO * UNTIL NOON EDT TUESDAY * THE READING AT THE COSHOCTON GAGE ON THE MUSKINGUM RIVER AT 10AM MONDAY WAS 14.0 AND CONTINUES TO FALL SLOWLY. FLOOD STAGE IS 13 FEET. THE STAGE IS FORECAST TO FALL BELOW FLOOD STAGE AROUND NOON TUESDAY. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! RWH
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.
In the hours before
Special weather statement, May 4, 4:50 AM EDT, 5 hours 16 minutes before
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-050900- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 450 AM EDT MON MAY 4 1998 NATIONAL WEATHER SERVICE PITTSBURGH SAYS THUNDERSTORMS MAY DEVELOP ACROSS THE OHIO HEADWATERS REGION. THE STORMS HAVE THE POTENTIAL TO CAUSE RAIN AMOUNTS IN EXCESS OF 1 INCH IN A COUPLE HOURS. IF SUCH RAIN AMOUNTS OCCUR...FLOODING IS POSSIBLE IN POOR DRAINAGE AREAS AND ALONG SMALL STREAMS. THE STORMS ALSO HAVE THE POTENTIAL FOR WIND GUSTS TO EXCEED 40 MPH...AND HAIL TO EXCEED A QUARTER INCH. THIS THREAT WILL BE HIGHER THIS AFTERNOON AND EVENING AND FOR AREAS SOUTH OF INTERSTATE 70. FORECAST BASIS... A STAGNANT LOW PRESSURE CENTER OVER THE UPPER OHIO VALLEY CAN AGAIN CAUSE SHOWERS AND THUNDERSTORMS TO DEVELOP. THE CHANCES OF DEVELOPMENT ARE BETTER THIS AFTERNOON AND EVENING. SKYWARN ACTIVATION NOTES... SKYWARN ACTIVATION MAY BE NEEDED THIS AFTERNOON OR EVENING. LISTEN TO NOAA WEATHER RADIO AND OTHER MEDIA OUTLETS FOR UPDATED INFORMATION. CHECK OUT OUR WEB SITE AT WWW.NWS.NOAA.GOV/ER/PIT GIORDANO
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 9:08 PM EDT | Flash Flood Warning | PBZ | Tuscarawas | 4 hr |
Nearby
Flash Flood Warnings in Ohio, 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.