Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 296, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 18, 1996, 7:29 PM CDT for Nowata 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 18, 1996, 7:29 PM CDT (00:29 UTC)
- Expired
- Jun 18, 1996, 8:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Nowata County, OK
The radar
The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 00:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 7:55 PM CDT | Thunderstorm Wind 52 | South Coffeyville, 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
Norman, OK (KOUN), launched 00:00Z, 0.5 hours before the alert went out and 238 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
- 1313 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 2174 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 190029 SVRTUL OKC105-190115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 729 PM CDT TUE JUN 18 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...NORTHERN NOWATA COUNTY AT 728 PM...RADAR INDICATED A SEVERE THUNDERSTORM APPROACHING THE KANSAS OKLAHOMA BORDER NEAR SOUTH COFFEYVILLE. THE STORM IS MOVING SOUTHEAST AT 25 MPH. SOUTH COFFEYVILLE IS IN THE PATH OF THIS STORM. HAIL TO THE SIZE OF NICKLES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA.
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 18, 3:14 PM CDT, 4 hours 15 minutes earlier.
Area forecast discussion, Jun 18, 3:14 PM CDT, 4 hours 15 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 305 PM CDT TUE JUN 18 1996 ISO TRW IN UNCAPPED AIRMASS WILL BE PSBL THIS EVE...MAINLY IN ERN ZNS AND THERE IS A CHC FOR LLVL JET FED SOUTHEASTWARD MVNG TRW LATE TONIGHT AND EARLY WED OVR FA. BUT WITH STRENGTH AND EASTWARD EXTENT OF CAP IN DOUBT...WILL ONLY PUT SLGT CHC POPS IN FCST TONIGHT AND WED. WILL KEEP SLGT CHC WED EVE IN ERN ZNS WHERE CAP MAY STILL BE BREAKABLE. ETA H85 JET AND H3 DIV PROG WUD SUPPORT SLIGHTLY HIGHER POPS LATE TONIGHT IN NE OK AND NW CORNER OF ARK...BUT NGM HAS LESS MAG TO H85 WINDS AND MORE OF WRLY COMPONANT AND AGREES SOMEWHAT WITH THE AVN IN KEEPING BEST LLVL JET DYMAICS N/NE OF FA TONIGHT. LUKS LIKE THIS CUD BE LAST CHC FOR PCP FOR A WHILE WITH VRY HOT...CAPPED AIRMASS HEADED OUR WAY INTO EARLY NEXT WK. WILL FAVOR WARMER GUID TMPS THRU FCST. WINDS CUD KEEP OVRNIGHT MINS IN UPPER 70S TO NEAR 80 THURS/FRI...SO LATER SHFTS MAY HAVE TO CONSIDER HEAT ADVSY WITH DAYTIME HEAT INDICIES EASILY MEETING 105 DEG CRIT. /13 TUL 074/097 076/099 078 2121 FSM 071/096 072/098 072 2221 MLC 074/097 076/099 077 1111 BVO 071/097 073/099 076 2121 FYV 070/094 071/095 073 2221 IDB 070/096 072/098 073 1111 BYV 067/094 069/094 071 2221 .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 18, 8:03 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 42 min |
| Jun 18, 10:09 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 51 min |
| Jun 18, 10:20 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 55 min |
| Jun 18, 10:55 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 65 min |
| Jun 18, 11:26 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Tulsa, Washington | 49 min |
| Jun 18, 11:41 PM CDT | Tornado Warning | TSA | Osage | 34 min |
| Jun 18, 11:55 PM CDT | Tornado Warning | TSA | Tulsa | 35 min |
| Jun 19, 12:17 AM CDT | Tornado Warning | TSA | Rogers | 28 min |
| Jun 19, 12:28 AM CDT | Tornado Warning | TSA | Tulsa | 32 min |
| Jun 19, 12:40 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee, Wagoner | 50 min |
| Jun 19, 1:09 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 36 min |
| Jun 19, 1:15 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Muskogee | 45 min |
| Jun 19, 1:15 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 45 min |
| Jun 19, 1:54 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, Pittsburg, Sequoyah | 51 min |
| Jun 19, 2:13 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 47 min |
| Jun 19, 2:29 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 46 min |
| Jun 19, 2:38 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 52 min |
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; radar from the NEXRAD Level II archive.