Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 377, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 26, 1996, 12:20 AM CDT for Nowata County, Oklahoma. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 26, 1996, 12:20 AM CDT (05:20 UTC)
- Expired
- Sep 26, 1996, 1:15 AM CDT
- In force
- 55 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Nowata County, OK
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 5.3 hours before the alert went out and 162 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
- 13 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 260521 SVRTUL OKC105-260615- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1220 AM CDT THU SEP 26 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...NOWATA COUNTY AT 1220 AM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM 5 MILES NORTHWEST OF WANN TO BARTLESVILLE...MOVING EAST SOUTHEAST AT ABOUT 25 MPH. WANN AND LENEPAH ARE IN THE PATH OF THIS LINE OF 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. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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 25, 9:14 PM CDT, 3 hours 6 minutes earlier.
Area forecast discussion, Sep 25, 9:14 PM CDT, 3 hours 6 minutes before
EASTERN OKLAHOMA/NORHTWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 910 PM CDT WED SEP 25 1996 WET FCST LOOKS GOOD. A WK WRMFNT FROM SWRN AR ACRS OSAGE CO AND INTO KS IS APRNTLY FOCUS FOR DVLPMT OF OVRRNG PCPN FOR MUCH OF NERN OK AND NWRN AR. THIS ACTVTY BEGAN ARND 8 PM AND CONTS TO DVLP AND DRIFT ENEWD. XPC THAT TO CONT AND WILL KEEP HIGH POPS THAT AREA. OTHER TSTMS DVLPD OVER SWRN KS AND NWRN OK ARE XPCD TO DRIFT ESEWD DURG THE NIGHT. H8 FLOW WILL CONT TO FEED MDT MSTR INTO THE STORMS...ALTO OUN RAOB WAS NOT ESP UNSTABLE. SVR WRNGS OUT ATTM FOR SRN KS AND N/CNTRL OK...AND WILL KEEP WORDING FOR PSBL SVR THRU THE NIGHT. NO OTHER CHANGES. .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 |
|---|---|---|---|---|
| Sep 25, 11:20 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 55 min |
| Sep 26, 12:04 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 41 min |
| Sep 26, 12:14 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 46 min |
| Sep 26, 12:45 AM CDT | Severe Thunderstorm Warning | TSA | Craig | 60 min |
| Sep 26, 1:34 AM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 41 min |
| Sep 26, 1:36 AM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 39 min |
| Sep 26, 2:10 AM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 50 min |
| Sep 26, 4:27 AM CDT | Flash Flood Warning | TSA | Osage, Rogers, Tulsa | 3 hr |
| Sep 26, 4:27 AM CDT | Flash Flood Warning | TSA | Delaware, Mayes | 3 hr |
| Sep 26, 6:26 AM CDT | Flash Flood Warning | TSA | Adair | 3 hr |
| Sep 26, 6:26 AM CDT | Flash Flood Warning | TSA | Cherokee, Wagoner | 3 hr |
| Sep 26, 6:26 AM CDT | Flash Flood Warning | TSA | Tulsa | 3 hr |
| Sep 26, 8:46 AM CDT | Flash Flood Warning | TSA | Adair | 3 hr |
| Sep 26, 8:46 AM CDT | Flash Flood Warning | TSA | Cherokee, Muskogee | 3 hr |
| Sep 26, 9:15 AM CDT | Flash Flood Warning | TSA | McIntosh, Okmulgee | 3 hr |
| Sep 26, 9:32 AM CDT | Flash Flood Warning | TSA | Adair | 3 hr |
| Sep 26, 9:32 AM CDT | Flash Flood Warning | TSA | Cherokee | 3 hr |
| Sep 26, 10:48 AM CDT | Flash Flood Warning | TSA | Haskell, Latimer, Pittsburg, Sequoyah | 3 hr |
| Sep 26, 11:29 AM CDT | Flash Flood Warning | TSA | Adair | 3 hr |
| Sep 26, 12:22 PM CDT | Flash Flood Warning | TSA | LeFlore | 3 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1996Every severe thunderstorm warning in 1996
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.