Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 162, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 13, 1997, 1:44 AM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 46 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
- Jun 13, 1997, 1:44 AM CDT (06:44 UTC)
- Expired
- Jun 13, 1997, 2:30 AM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Osage County, OK, Pawnee County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 13, 1:45 AM CDT | Thunderstorm Wind | Pawhuska, 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 |
|---|---|---|---|
| Jun 12, 10:15 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 13, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 6.7 hours before the alert went out and 159 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
- 2646 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 130645 RRA SVRTUL OKC113-117-130730- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 144 AM CDT FRI JUN 13 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OKLAHOMA ...EASTERN OSAGE COUNTY...EASTERN PAWNEE COUNTY AT 143 AM...RADAR SHOWED THE LEADING EDGE OF A LINE OF SEVERE THUNDERSTORMS FROM 10 MILES NORTHEAST OF FORAKER TO PAWHUSKA TO CLEVELAND TO JENNINGS. THIS LINE WAS MOVING EAST AT 45 MPH. BARNSDALL...AVANT...WESTPORT AND TERLTON ARE IN THE PATH OF THESE STORMS. DAMAGING WINDS WITH GUSTS UP TO 70 MPH WILL OCCUR 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. 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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 12, 9:12 PM CDT, 4 hours 32 minutes earlier.
Area forecast discussion, Jun 12, 9:12 PM CDT, 4 hours 32 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 910 PM CDT THU JUN 12 1997 LATEST SFC ANALYSIS SHOWS A FNT XTNDG FM A SFC LO IN NW MO TO ANOTHER LO IN THE ERN TX PNHDL WITH A DRYLINE XTNDG SWD FM THERE. AN ISOLD STRM FORMED ALNG THIS BNDRY IN SCNTRL KS AND SPLIT W/RIGHT MOVER HEADED ALMST DUE E. MORE NUMEROUS TSRA HV FORMED FURTHER W FROM THE ERN TX PNHDL NWD INTO WRN KS AS UPR LVL SPEED MAX MVS INTO SRN PLAINS AS SHOWN BY WATER VAPOR IMAGERY AND PROFILERS. AN ISOLD SHRA FORMED EARLIER IN NOWATA CNTY ALNG A WK SFC BNDRY BUT THIS DISSIPATED AS IT MVD NEWD. CANNOT RULE OUT ADNTL DVLP IN ZNS NR THE KS BRDR BUT LOOKS LIKE TSRA OUT W SHLD BE MAIN SHOW FOR TNGT AS THEY HEAD ESE TWDS FA. ONCE AGAIN 15Z MESOETA SEEMS TO BE ON THE RIGHT TRACK W/ORGANIZATION OF TSRA. THIS SUGGESTS THAT STRMS SHLD MV INTO ERN OK AFT MIDNGT W/MOST SIG CNVCTN IN SRN SCTNS. APRS THAT STRMS SHLD BE APRCHG OK/AR BRDR zBY 12Z. PREV FCST LOOKS TO HV A GOOD HANDLE ON SITN. MAY BUMP POPS UP SOME FOR TNGT. ALSO W/COPIOUS AMNT OF MOISTURE AVBL MAY OPT TO INCLUDE MENTION OF LCL HVY RAINFALL IN PARTS OF ERN OK TNGT. 07 .TUL... OK...NONE. AR...NONE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 12:44 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 61 min |
| Jun 13, 1:36 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 54 min |
| Jun 13, 1:58 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa, Washington | 62 min |
| Jun 13, 1:58 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 62 min |
| Jun 13, 2:38 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Ottawa | 37 min |
| Jun 13, 3:21 AM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 39 min |
| Jun 13, 6:27 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 48 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning in 1997
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.