Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 236, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 2000, 1:52 AM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 68 min. 1 report 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 26, 2000, 1:52 AM CDT (06:52 UTC)
- Expired
- May 26, 2000, 3:00 AM CDT
- In force
- 68 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Osage County, OK, Pawnee County, OK
The radar
The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 06:52 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 26, 3:09 AM CDT | Thunderstorm Wind 52 E | Hominy, 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 26, 12:30 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lamont, OK (KLMN), launched 00:00Z, 6.9 hours before the alert went out and 85 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
- 1965 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.4
The text
As transmitted, in the capitals the NWS used until 2016.
526
WUUS54 KTSA 260652
SVRTUL
OKC113-117-260800-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
152 AM CDT FRI MAY 26 2000
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR
OSAGE COUNTY IN NORTHEAST OKLAHOMA
PAWNEE COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 300 AM CDT
* AT 150 AM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO
70 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES
NORTHWEST OF NEWKIRK TO 3 MILES SOUTHWEST OF MARLAND TO 26 MILES
WEST OF STILLWATER...MOVING EAST AT 35 MPH.
* SOME LOCATIONS AFFECTED INCLUDE... RALSTON...SKEDEE...BLACKBURN...
MARAMEC...HALLETT...PAWNEE...GRAINOLA...FORAKER...PEARSONIA...
BURBANK...FAIRFAX AND SHIDLER
A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS.
IN ADDITION TO DAMAGING WINDS...LARGE HAIL TO THE SIZE OF NICKELS IS
ALSO LIKELY WITH THESE STORMS.
CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE.
$$
LAT...LON 3698 9716 3652 9726 3600 9767 3619 9659
3669 9632 3715 9622What 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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 26, 12:58 AM CDT, 54 minutes earlier.
Area forecast discussion, May 26, 12:58 AM CDT, 54 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1258 AM CDT FRI MAY 26 2000 SENT A QUICK UPDATE TO REFLECT TORNADO WATCH FOR ZONES MAINLY NORTH OF HIGHWAY 412 IN NORTHEAST OK. 88D INDICATES ELEVATED SHOWERS POPPING UP BETWEEN TUL AND BVO THOUGH STRONGEST ACTIVITY STILL WEST AND NORTHWEST OF CWA. CURRENT POP FORECAST IN LINE WITH CURRRENT TRENDS SO LEFT AS IS. FCSTID = 23 .TUL... AR...NONE. OK...TORNADO WATCH UNTIL 600 AM CDT FOR ZONES OKZ054>064.
In the hours before
Special weather statement, May 25, 8:45 PM CDT, 5 hours 7 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-261200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 845 PM CDT THU MAY 25 2000 ...A FEW SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS NORTHEAST OKLAHOMA BY MIDNIGHT... .SYNOPSIS... SURFACE LOW PRESSURE WAS LOCATED OVER NORTHWEST TEXAS THIS EVENING WITH A WARM FRONT EXTENDING OVER SOUTHERN OKLAHOMA. THE WARM FRONT IS FORECAST TO MOVE NORTH TONIGHT AS A SECONDARY AREA OF LOW PRESSURE DEVELOPS FURTHER NORTH IN THE CENTRAL PLAINS. A STRONG UPPER LEVEL DISTURBANCE WILL MOVE EAST INTO NORTHERN OKLAHOMA THIS EVENING... SETTING THE STAGE FOR SHOWERS AND THUNDERSTORMS OVER SECTIONS OF NORTHEAST OKLAHOMA. .PRIMARY HAZARD... THUNDERSTORMS CURRENTLY IN THE TEXAS PANHANDLE AND WESTERN OKLAHOMA THIS EVENING ARE FORECAST TO MOVE RAPIDLY EAST INTO NORTHEAST OKLAHOMA BY MIDNIGHT. IF THE THUNDERSTORMS MAINTAIN THEIR INTENSITY...A FEW STORMS WILL BE SEVERE WITH THE THREAT FOR LARGE HAIL AND DAMAGING WINDS. THE GREATEST THREAT WILL BE OVER FAR NORTHEAST OKLAHOMA...NEAR THE OKLAHOMA...KANSAS BORDER. .DISCUSSION... SEVERE THUNDERSTORMS OVER THE TEXAS PANHANDLE CONTINUE TO MOVE RAPIDLY EAST INTO WESTERN OKLAHOMA THIS EVENING. THE THUNDERSTORM ACTIVITY IS EXPECTED TO BECOME MORE LINEAR IN NATURE OVER THE NEXT FEW HOURS...MOVING ACROSS NORTHERN OKLAHOMA INTO NORTHEASTERN SECTIONS OF THE STATE AROUND MIDNIGHT. CURRENT SATELLITE IMAGERY INDICATES A LARGE AREA OF UPPER DIFLUENCE IN ASSOCIATION WITH UPPER LOW OVER EASTERN NEW MEXICO. AS THE UPPER LOW MOVES INTO THE TEXAS PANHANDLE...THE STRONG AREA OF UPPER DIFLUENCE WILL SPREAD EAST OVER NORTHERN OKLAHOMA...ENABLING CAPPING INVERSION TO ERODE. ATMOSPHERE WILL REMAIN MODERATELY UNSTABLE INTO THE EARLY MORNING HOURS WITH CAPES AROUND 2500-3000 J/KG. CURRENT RADAR TRENDS INDICATE THAT THUNDERSTORMS WILL MOVE INTO NORTHEASTERN OKLAHOMA AROUND MIDNIGHT BEFORE SLOWLY DECREASING IN INTENSITY. GIVEN THE INSTABILITIES AND SHEAR PROFILE IN PLACE...DAMAGING DOWNBURST WINDS WILL BE THE MAIN THREAT AS THE LINE MOVES THROUGH. .SPOTTER ACTIVATION... SPOTTER ACTIVATION MAY BE REQUIRED ACROSS NORTHEAST OKLAHOMA BY LATE EVENING.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 2:56 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 64 min |
| May 26, 3:33 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 57 min |
| May 26, 3:51 AM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 2 hr |
| May 26, 6:47 AM CDT | Severe Thunderstorm Warning | TSA | Mayes | 43 min |
| May 26, 10:24 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Delaware | 66 min |
| May 26, 10:24 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 66 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.