Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 412, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 12, 1995, 12:58 AM CDT for Osage County, Oklahoma. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Sep 12, 1995, 12:58 AM CDT (05:58 UTC)
- Expired
- Sep 12, 1995, 1:45 AM CDT
- In force
- 47 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Osage County, OK
The radar
The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 06:16 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 nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 6.0 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
- 107 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 120559 RRA SVRTUL OKC113-120645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1258 AM CDT TUE SEP 12 1995 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...CENTRAL AND EASTERN OSAGE COUNTY AT 1258 AM WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM FORAKER TO JUST WEST OF HOMINY...MOVING EAST AT 40 MPH. HOMINY...PAWHUSKA...AND WYNONA ARE IN THE PATH OF THESE STORMS. DAMAGING WINDS WITH GUSTS UP TO 60 MPH ARE LIKELY WITH THIS LINE OF THUNDERSTORMS. IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR HOME. STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. IF YOU ARE IN A MOBILE HOME YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY.
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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 11, 9:05 PM CDT, 3 hours 53 minutes earlier.
Area forecast discussion, Sep 11, 9:05 PM CDT, 3 hours 53 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 900 PM CDT MON SEP 11 1995 LN OF STG/SVR TSTMS EXTNDG FRM KS INTO ERN PART OF OK/TX PNHNDL CONT MOVG E/ESE THIS EVNG. CURRENT POPS OF 30-40 PCT ACRS AREA STILL LOOK REASONABLE AS STMS XPCTD TO EVENTUALLY WKN AS THEY APPRCH AREA LATER ON TNGT. MNWHL...CLDS HAVE GENRLLY CLRD OVR ERN OK THIS EVNG...AND ARE ALSO CLRG ACRS NW AR. SATL SHOWS SOME LOW CLDS LINGERING OVR N-CNTL OK...AND ALSO SOME MID/HI CLDS STREAMING AT US FRM THE SW. WL PROBABLY OPT FOR PTCLDY SKIES REST OF THE NGT MOST SXNS...OTHRWS WL MAKE A FEW OTHR MINOR ADJSTMNTS AND CONT TO WATCH STMS TO THE WEST. ...04... .TUL...NONE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 12:10 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 50 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995
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.