Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 10, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 3, 1986, 12:53 PM CST for Osage County, Oklahoma. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Apr 3, 1986, 12:53 PM CST (18:53 UTC)
- Expired
- Apr 3, 1986, 2:00 PM CST
- In force
- 67 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Osage County, OK
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Ok Cty/Will Rgrs, OK (KOKC), launched 12:00Z, 6.9 hours before the alert went out and 174 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
- 1300 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 195 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 031853 SVRTUL OKC113-032000- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1253 PM CST THU APR 3 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF OKLAHOMA...WESTERN OSAGE AT 1248 PM A SEVERE THUNDESTORM WAS 15 MILES SOUTHWEST OF BURBANK,OK THE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 50 MPH. THIS THUNDERSTORM WILL LIKELY PRODUCE WINDS IN EXCESS OF 60 MILES AN HOUR AND HAIL 3/4 INCH OR LARGER IN DIAMETER. IF YOU ARE IN OR NEAR THE WARNING AREA GET TO A REINFORCED SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY HEAVY RAINFALL AND LIGHTNING. PEOPLE IN MOBILE HOMES SHOULD SEEK SHELTER IN A NEARBY REINFORCED BUILDING OR GET INTO A DITCH OR OTHER GROUND DEPRESSION. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
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, Apr 3, 11:33 AM CST, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1127AM CST THU APR 3 1986 A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR LARGE PART OF CENTRAL OKLAHOMA...INCLUDING THE TULSA AREA...UNTIL 4 PM. AT 1125 AM...THE TULSA RADAR WAS SHOWING THAT THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER CENTRAL OKLAHOMA AND MOVING TO THE NORTH NORTHEAST. SOME OF THE STORMS HAVE REACH SEVERE LIMITS WITH DAMAGING WINDS OF 60 MPH OR HIGHER AND LARGE HAIL. PEOPLE IN CREEK...PAWNEE...OSAGE...AND OKFUSKEE CAN EXPECT AN INCREASING THREAT OF SEVERE WEATHER DURING THE NEXT TWO HOURS. OTHER AREAS FURTHER THE EAST CAN EXPECT HEAVY OR SEVERE THUNDERSTORMS DURING THE MIDDLE AND LATE AFTERNOON. KEEP- TUNED FOR THE LATER STATEMENTS AND POSSIBLE WARNINGS.
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1986Every severe thunderstorm warning in 1986
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.