Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 1, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Feb 17, 1992, 12:57 AM CST for Osage County, Oklahoma. It was in force for 48 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
- Feb 17, 1992, 12:57 AM CST (06:57 UTC)
- Expired
- Feb 17, 1992, 1:45 AM CST
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Osage County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 17, 1:00 AM CST | Hail 0.75 | Osage, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 7.0 hours before the alert went out and 181 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1741 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 521 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 170658 SVRTUL OKC113-170745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1257 AM CST MON FEB 17 1992 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 AM CST FOR PEOPLE IN THE FOLLOWING COUNTIES ... IN NORTHEAST OKLAHOMA ...OSAGE COUNTY AT 1255 AM THE NATIONAL WEATHER SERVICE IN TULSA INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF BARNSDALL. HAIL...STRONG WINDS AND FREQUENT LIGHTNING ARE THE MAIN THREAT FROM THIS STORM. MOVEMENT WAS TO THE NORTHEAST AT 45 MILES AN HOUR. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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, Feb 17, 12:36 AM CST, 21 minutes before
OKZ026-027-028-029-030-170745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1237 AM CST MON FEB 17 1992 ....STRONG THUNDERSTORMS MOVING THROUGH NORTHEASTERN OKLAHOMA... AT 1225 AM THE NATIONAL WEATHER SERVICE RADAR IN TULSA SHOWED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM THE KANSAS BORDER 5 MILES WEST OF CHAUTAUQUA KANSAS TO SAND SPRINGS. THESE STORMS BRIEFLY ATTAINED SEVERE LIMITS AS THEY MOVED THROUGH NORTHCENTRAL OKLAHOMA...BUT HAVE WEAKENED BELOW SEVERE POTENTIAL. THE THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING FREQUENT LIGHTNING...GUSTY WINDS OF 35 TO 45 MILES AN HOUAND SOME SMALL HAIL. THE LINE OF THUNDERSTORM WILL MOVE THROUGH THE T METROPOLITAN AREA WITHIiN THE NEXT HOUR. MOVEMENT WAS TO THE NORTHEAST AT 40 TO 45 MILES AN HOUR.
Special weather statement, Feb 17, 12:42 AM CST, 15 minutes before
OKZ026-027-028-029-030-170745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK ...CORRECTION FOR SPELLING... 1237 AM CST MON FEB 17 1992 ....STRONG THUNDERSTORMS MOVING THROUGH NORTHEASTERN OKLAHOMA... AT 1225 AM THE NATIONAL WEATHER SERVICE RADAR IN TULSA SHOWED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM THE KANSAS BORDER 5 MILES WEST OF CHAUTAUQUA KANSAS TO SAND SPRINGS. THESE STORMS BRIEFLY ATTAINED SEVERE LIMITS AS THEY MOVED THROUGH NORTHCENTRAL OKLAHOMA...BUT HAVE WEAKENED BELOW SEVERE POTENTIAL. THE THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING FREQUENT LIGHTNING...GUSTY WINDS OF 35 TO 45 MILES AN HOUR AND SOME SMALL HAIL. THE LINE OF THUNDERSTORM WILL MOVE THROUGH THE TULSA METROPOLITAN AREA WITHIN THE NEXT HOUR. MOVEMENT WAS TO THE NORTHEAST AT 40 TO 45 MILES AN HOUR.
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1992Every severe thunderstorm warning in 1992
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.