Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 166, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 8, 2000, 11:13 PM CDT for Washington County, Oklahoma. It was in force for 47 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 8, 2000, 11:13 PM CDT (04:13 UTC)
- Expired
- May 9, 2000, 12:00 AM CDT
- In force
- 47 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Washington County, OK
The radar
The Tulsa radar (KINX), 67 km from the middle of the area, began a volume at 04:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 8, 11:28 PM CDT | Hail 4.5 | Bartlesville, OK | Golfball to softball size hail fell in Bartlesville damaging roofs, windows and cars. |
| May 9, 12:04 AM CDT | Hail 1.25 | Dewey, OK |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 8, 6:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.2 hours before the alert went out and 188 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
- 1344 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 1790 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 090414 SVRTUL OKC147-090500- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1113 PM CDT MON MAY 8 2000 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WASHINGTON COUNTY IN NORTHEAST OKLAHOMA * UNTIL MIDNIGHT CDT * AT 1113 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES WEST OF BARTLESVILLE...MOVING EAST AT 40 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...COPAN...DEWEY...OCHELATA AND BARTLESVILLE. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. A TORNADO WATCH IS ALSO IIN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:31 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 59 min |
| May 8, 8:25 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 65 min |
| May 8, 8:40 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Washington | 65 min |
| May 8, 8:42 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 48 min |
| May 8, 8:50 PM CDT | Tornado Warning | TSA | Nowata, Washington | 25 min |
| May 8, 8:50 PM CDT | Tornado Warning | TSA | Osage | 25 min |
| May 8, 9:29 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 61 min |
| May 8, 9:34 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 56 min |
| May 8, 9:51 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 54 min |
| May 8, 10:46 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 59 min |
| May 8, 11:29 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 61 min |
| May 8, 11:45 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 60 min |
| May 8, 11:56 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 49 min |
| May 8, 11:58 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 62 min |
| May 9, 1:30 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 45 min |
| May 9, 3:02 AM CDT | Severe Thunderstorm Warning | TSA | Delaware | 43 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.