Alert archive / Ohio / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 4, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 17, 1999, 6:39 PM EDT for Ottawa County, Ohio. It was in force for 36 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 17, 1999, 6:39 PM EDT (22:39 UTC)
- Expired
- May 17, 1999, 7:15 PM EDT
- In force
- 36 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Ottawa County, OH
The radar
The Cleveland radar (KCLE), 91 km from the middle of the area, began a volume at 22:41 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 17, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 10.7 hours before the alert went out and 142 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
- 653 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 730 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KCLE 172240 RRA SVRCLE OHC123-172315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 639 PM EDT MON MAY 17 1999 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... OTTAWA COUNTY IN OHIO * UNTIL 715 PM EDT * AT 639 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES WEST OF GENOA...OR ABOUT 12 MILES SOUTHEAST OF TOLEDO...MOVING NORTHEAST AT 55 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... GENOA REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN CLEVELAND.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 17, 3:05 PM EDT, 3 hours 34 minutes before
OHZ003-006>008-017-018-027-028-036-037-172050- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 305 PM EDT MON MAY 17 1999 A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR NORTHWEST OHIO AND PART OF NORTH CENTRAL OHIO UNTIL 9 PM. THE WATCH IS IN EFFECT FROM SANDUSKY...BUCYRUS...AND MARION WEST INTO INDIANA. SOME OTHER CITIES INCLUDED IN THE WATCH ARE...PORT CLINTON... FREMONT...TIFFIN...UPPER SANDUSKY...FINDLAY...BOWLING GREEN...AND TOLEDO. AT 3 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS WEST OF FORT WAYNE. THE STORMS WERE MOVING TO THE NORTHEAST AT 40 MPH. THESE STORMS WILL REACH THE TOLEDO AREA AFTER 6 PM BUT ADDITIONAL STORMS COULD DEVELOP ALMOST AT ANY TIME SO RESIDENTS NEED TO BE PREPARED. THE STORMS COULD CONTINUE ACROSS PARTS OF NORTHWEST OHIO THROUGH MUCH OF THE EVENING HOURS. SEVERE STORMS CAN BRING DAMAGING WINDS OVER 60 MPH AND LARGE HAIL OVER 3/4 INCH IN DIAMETER. KOSARIK
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 5:54 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Wood | 51 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1999Every severe thunderstorm warning in 1999
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.