Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 375, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 26, 1996, 12:04 AM CDT for Washington County, Oklahoma. It was in force for 41 min. 2 reports 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
- Sep 26, 1996, 12:04 AM CDT (05:04 UTC)
- Expired
- Sep 26, 1996, 12:45 AM CDT
- In force
- 41 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Washington County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 26, 12:20 AM CDT | Thunderstorm Wind | Dewey, OK | |
| Sep 26, 12:23 AM CDT | Thunderstorm Wind | Dewey, 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 nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 5.1 hours before the alert went out and 188 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 260505 SVRTUL OKC147-260545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1204 AM CDT THU SEP 26 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...NORTHERN WASHINGTON COUNTY AT 1203 AM A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM 8 MILES NORTHWEST OF COPAN TO 12 MILES NORTHWEST OF BARTLESVILLE. THE LINE OF STORMS WAS MOVING EAST SOUTHEAST AT 25 MPH. COPAN AND BARTLESVILLE ARE NEAR THE PATH OF THE STORM. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER DRIVE ONTO A FLOOHDED ROAD. 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 Sep 25, 9:14 PM CDT, 2 hours 50 minutes earlier.
Area forecast discussion, Sep 25, 9:14 PM CDT, 2 hours 50 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, 12:14 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 46 min |
| Sep 26, 12:20 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 55 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.